UNITED STATES SECURITIES AND EXCHANGE COMMISSION
 Washington D.C. 20549
 Form 10-K
 (Mark One)

 ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

 For the fiscal year ended December 31, 2024
 Or

 TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

 For the transition period from to

 Commission File Number 001-33160
 (Exact name of registrant as specified in its charter)

 Delaware

 20-2436320

 (State or other jurisdiction of incorporation or organization)

 (I.R.S. Employer Identification No.)

 3801 South Oliver
 Wichita, Kansas 67210
 (Address of principal executive offices and zip code)
 Registrant's telephone number, including area code:
 ( 316) 526-9000
 Securities registered pursuant to Section 12(g) of the Act: None. Securities registered pursuant to Section 12(b) of the Act:

 Title of each class
 Trading symbol
 Name of each exchange on which registered

 Class A common stock, par value $0.01 per share
 SPR
 New York Stock Exchange

 Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. Yes No
 Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act. Yes No
 Indicate by check mark whether the registrant: (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes No
 Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§ 232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files). Yes No
 Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting company. See the definitions of "large accelerated filer," "accelerated filer" and "smaller reporting company" in Rule 12b-2 of the Exchange Act.

 Large accelerated filer

 Accelerated filer

 Non-accelerated filer

 Smaller reporting company
 Emerging Growth Company

 If an emerging growth company, indicate by check mark whether the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of Exchange Act.
 Indicate by check mark whether the registrant has filed a report on and attestation to its management's assessment of the effectiveness of its internal control over financial reporting under Section 404(b) of the Sarbanes-Oxley Act (15 U.S.C. 7262(b)) by the registered public accounting firm that prepared or issued its audit report. x
 If securities are registered pursuant to Section 12(b) of the Act, indicate by check mark whether the financial statements of the registrant included in the filing reflect the correction of an error to previously issued financial statements.
 Indicate by check mark whether any of those error corrections are restatements that required a recovery analysis of incentive-based compensation received by any of the registrant's executive officers during the relevant recovery period pursuant to § 240.10D-1(b).
 Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes No x
 The aggregate market value of the voting stock held by non-affiliates of the registrant, based on the closing price of the Class A common stock on June 27, 2024, as reported on the New York Stock Exchange was approximately $ 3.8 billion.
 As of January 16, 2025, the registrant had outstanding 117,266,121 shares of Class A common stock, $0.01 par value per share.

 DOCUMENTS INCORPORATED BY REFERENCE
 Portions of the registrant's Proxy Statement for the 2025 Annual Meeting of Stockholders to be filed not later than 120 days after the end of the fiscal year covered by this Annual Report on Form 10-K are incorporated herein by reference in Part III of this Annual Report on Form 10-K.

 Page

 Item 1.

 Business

 Item 1A.

 Risk Factors

 Item 1B.

 Unresolved Staff Comments

 Item 1C.

 Cybersecurity

 Item 2.

 Properties

 Item 3.

 Legal Proceedings

 Item 4.

 Mine Safety Disclosures

 Information About Our Executive Officers

 Item 5.

 Market for Registrant's Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities

 Item 6.

 [Reserved]

 Item 7.

 Management's Discussion and Analysis of Financial Condition and Results of Operations

 Item 7A.

 Quantitative and Qualitative Disclosures About Market Risk

 Item 8.

 Financial Statements and Supplementary Data

 Item 9.

 Changes in and Disagreements with Accountants on Accounting and Financial Disclosure

 Item 9A.

 Controls and Procedures

 Item 9B.

 Other Information

 Item 9C.

 Disclosure Regarding Foreign Jurisdictions that Prevent Inspections

 Item 10.

 Directors, Executive Officers and Corporate Governance

 Item 11.

 Executive Compensation

 Item 12.

 Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters

 Item 13.

 Certain Relationships and Related Transactions and Director Independence

 Item 14.

 Principal Accountant Fees and Services

 Item 15.

 Exhibits, Financial Statement Schedules

 Signatures

 i

 CAUTIONARY NOTE REGARDING FORWARD-LOOKING STATEMENTS

 This Annual Report on Form 10-K (this "Annual Report") includes "forward-looking statements" that involve many risks and uncertainties. Forward-looking statements generally can be identified by the use of forward-looking terminology such as "aim," "anticipate," "believe," "could," "continue," "designed," "ensure," "estimate," "expect," "forecast," "goal," "intend," "may," "might," "model," "objective," "outlook," "plan," "potential," "predict," "project," "seek," "should," "target," "will," "would," and other similar words, or phrases, or the negative thereof, unless the context requires otherwise. These statements are based on circumstances as of the date on which the statements are made and they reflect management's current views with respect to future events and are subject to risks and uncertainties, both known and unknown, including, but not limited to, those described in Item 1A. "Risk Factors" of this Annual Report. Our actual results may vary materially from those anticipated in forward-looking statements. We caution investors not to place undue reliance on any forward-looking statements.

 Important factors that could cause actual results to differ materially from those reflected in such forward-looking statements and that should be considered in evaluating our outlook include, but are not limited to, the following:

 • our ability to continue as a going concern and satisfy our liquidity needs, the success of our liquidity enhancement plans, operational and efficiency initiatives, our ability to access the capital and credit markets (including as a result of any contractual limitations, including under the Agreement and Plan of Merger (the "Merger Agreement"), dated June 30, 2024, among Spirit AeroSystems Holdings, Inc. ("Holdings"), The Boeing Company ("Boeing"), and Sphere Acquisition Corp., a wholly-owned subsidiary of Boeing, the outcomes of discussions related to the timing or amounts of repayment for certain customer advances, and the costs and terms of any additional financing;
 • the continued fragility of the global aerospace supply chain including our dependence on our suppliers, as well as the cost and availability of raw materials and purchased components, including increases in energy, freight, and other raw material costs as a result of inflation or continued global inflationary pressures;
 • our ability and our suppliers' ability and willingness to meet stringent delivery (including quality and timeliness) standards and accommodate changes in the build rates or model mix of aircraft under existing contractual commitments, including the ability or willingness to staff appropriately or expend capital for current production volumes and anticipated production volume increases;
 • our ability to maintain continuing, uninterrupted production at our manufacturing facilities and our suppliers' facilities;
 • our ability, and our suppliers' ability, to attract and retain the skilled work force necessary for production and development in an extremely competitive market;
 • the effect of economic conditions, including increases in interest rates and inflation, on the demand for our and our customers' products and services, on the industries and markets in which we operate in the U.S. and globally, and on the global aerospace supply chain;
 • the general effect of geopolitical conditions, including Russia's invasion of Ukraine and the resultant sanctions being imposed in response to the conflict, including any trade and transport restrictions;
 • the conflict in the Middle East could impact certain suppliers' ability to continue production or make timely deliveries of supplies required to produce and timely deliver our products, and may result in sanctions being imposed in response to the conflict, including trade and transport restrictions;
 • our relationships with the unions representing many of our employees, including our ability to successfully negotiate new agreements, and avoid labor disputes and work stoppages with respect to our union-represented employees;
 • the impact of significant health events, such as pandemics, contagions or other public health emergencies (including the COVID-19 pandemic) or fear of such events, on the demand for our and our customers' products and services, and on the industries and markets in which we operate in the U.S. and globally;
 • the timing and conditions surrounding the full worldwide return to service (including receiving the remaining regulatory approvals) of the B737 MAX, future demand for the aircraft, and any residual impacts of the B737 MAX grounding on production rates for the aircraft;
 • our reliance on Boeing and Airbus SE and its affiliates for a significant portion of our revenues;
 • the business condition and liquidity of our customers and their ability to satisfy their contractual obligations to the Company;
 • the certainty of our backlog, including the ability of customers to cancel or delay orders prior to shipment on short notice, and the potential impact of regulatory approvals of existing and derivative models;
 • our ability to accurately estimate and manage performance, cost, margins, and revenue under our contracts, and the potential for additional forward losses on new and maturing programs;
 • our accounting estimates for revenue and costs for our contracts and potential changes to those estimates;
 • our ability to continue to grow and diversify our business, execute our growth strategy, and secure replacement programs, including our ability to enter into profitable supply arrangements with additional customers;
 • the outcome of product warranty or defective product claims and the impact settlement of such claims may have on our accounting assumptions;
 • competitive conditions in the markets in which we operate, including in-sourcing by commercial aerospace original equipment manufacturers;

 • our ability to successfully negotiate, or re-negotiate, future pricing under our supply agreements with Boeing, Airbus SE and its affiliates and other customers;
 • the possibility that our cash flows may not be adequate for our additional capital needs;
 • any reduction in our credit ratings;
 • our ability to avoid or recover from cyber or other security attacks and other operations disruptions;
 • legislative or regulatory actions, both domestic and foreign, impacting our operations, including the effect of changes in tax laws and rates and our ability to accurately calculate and estimate the effect of such changes;
 • spending by the U.S. and other governments on defense;
 • pension plan assumptions and future contributions;
 • the effectiveness of our internal control over financial reporting;
 • the outcome or impact of ongoing or future litigation, arbitration, claims, and regulatory actions or investigations, including our exposure to potential product liability and warranty claims;
 • adequacy of our insurance coverage;
 • our ability to continue selling certain receivables through our receivables financing programs;
 • our ability to effectively integrate recent acquisitions, along with other acquisitions we pursue, and generate synergies and other cost savings therefrom, while avoiding unexpected costs, charges, expenses, and adverse changes to business relationships and business disruptions;
 • the risks of doing business internationally, including fluctuations in foreign currency exchange rates, impositions of tariffs or embargoes, trade restrictions, compliance with foreign laws, and domestic and foreign government policies; and
 • risks and uncertainties relating to the proposed acquisition of Spirit by Boeing (the "Merger") pursuant to the Merger Agreement and the transactions contemplated by our term sheet with Airbus SE (the "Airbus Business Disposition" and, together with the Merger, the "Transactions"), including, among others, the possibility that we are unable to negotiate and enter into definitive agreements with Airbus SE and its affiliates with respect to the Airbus Business Disposition; the possible inability of the parties to a Transaction to obtain the required regulatory approvals for such Transaction and to satisfy the other conditions to the closing of such Transaction on a timely basis or at all; the possible occurrence of events that may give rise to a right of one or more of the parties to the Merger Agreement to terminate the Merger Agreement; the risk that we are unable to consummate the Transactions on a timely basis or at all for any reason, including, without limitation, failure to obtain the required regulatory approvals, or failure to satisfy other conditions the closing of either of the Transactions; the potential for the pendency of the Transactions or any failure to consummate the Transactions to adversely affect the market price of Spirit common stock or our financial performance or business relationships; risks relating to the value of Boeing common stock to be issued in the Merger; the possibility that the anticipated benefits of the Transactions cannot be realized in full or at all or may take longer to realize than expected; the possibility that costs or difficulties related to the integration of our operations with those of Boeing will be greater than expected; risks relating to significant transaction costs; the intended or actual tax treatment of the Transactions; litigation or other legal or regulatory action relating to the Transactions or otherwise relating to us or other parties to the Transactions instituted against us or such other parties or Spirit's or such other parties' respective directors and officers and the effect of the outcome of any such litigation or other legal or regulatory action; risks associated with contracts containing provisions that may be triggered by the Transactions; potential difficulties in retaining and hiring key personnel or arising in connection with labor disputes during the pendency of or following the Transactions; the risk of other Transaction-related disruptions to our business, including business plans and operations; the potential for the Transactions to divert the time and attention of management from ongoing business operations; the potential for contractual restrictions under the agreements relating to the Transactions to adversely affect our ability to pursue other business opportunities or strategic transactions; and competitors' responses to the Transactions.

 These factors are not exhaustive, and it is not possible for us to predict all factors that could cause actual results to differ materially from those reflected in our forward-looking statements. These factors speak only as of the date hereof, and new factors may emerge or changes to the foregoing factors may occur that could impact our business. As with any projection or forecast, these statements are inherently susceptible to uncertainty and changes in circumstances. Except to the extent required by law, we undertake no obligation to, and expressly disclaim any obligation to, publicly update or revise any forward-looking statements, whether as a result of new information, future events, or otherwise. You should review carefully the section captioned "Risk Factors" in this Annual Report for a more complete discussion of these and other factors that may affect our business.

 Item 1. Business

 Our Company

 Unless the context otherwise indicates or requires, as used in this Annual Report, references to "we," "us," "our," and the "Company" refer to Spirit AeroSystems Holdings, Inc. and its consolidated subsidiaries. References to "Spirit" refer only to our subsidiary, Spirit AeroSystems, Inc., and references to "Spirit Holdings" or "Holdings" refer only to Spirit AeroSystems Holdings, Inc.

 The Company, incorporated in Delaware with its headquarters in Wichita, Kansas, is one of the world's largest non-Original Equipment Manufacturer ("OEM") manufacturers of aerostructures, serving markets for commercial airplanes, military platforms and business/regional jets. With expertise in aluminum and advanced composite manufacturing solutions, the Company's core products include fuselages, integrated wings and wing components, pylons and nacelles. The Company also serves the aftermarket for commercial and military platforms. In addition to commercial aircraft structures, we also design, engineer, and manufacture structural components for military aircraft and other applications. A portion of our defense business is classified by the U.S. Government and cannot be specifically described; however, it is included in our consolidated financial statements. We are a critical partner to our commercial and defense customers due to the broad range of products and services we currently supply to them across the product lifecycle and our leading design and manufacturing capabilities using both metallic and composite materials. For the twelve months ended December 31, 2024, we generated net revenues of $6,316.6 million and had net loss of $2,139.0 million.

 Operating Segments and Products

 We operate in three principal segments: Commercial, Defense & Space, and Aftermarket. The table below, and following segment information, describes the business of each segment, including facility locations, key programs, and descriptions of the work performed in each segment.

 Segment
 Percentage of Net Revenues for the Twelve Months Ended December 31, 2024, 2023, and 2022, respectively

 Locations
 Programs

 78%, 81%, and 81%

 Wichita, KS; Tulsa, OK; Kinston, NC; Prestwick, Scotland; St. Nazaire, France; Subang, Malaysia; Casablanca, Morocco; Belfast, Northern Ireland

 B737, B767, B777, B787, A220, A320 family, A330, A350 XWB, Global 5000, Global 6000, Global 7500, Challenger 350, Challenger 650, Rolls-Royce BR725 and BR 710 Nacelles, RB3070, Trent, KC-390, HondaJet

 15%, 13%, and 13%

 Wichita, KS; Tulsa, OK; Biddeford, ME; Woonsocket, RI; Belfast, Northern Ireland; Prestwick, Scotland
 Classified program(s), B767 Tanker, P-8, Sikorsky CH-53K, Common Hypersonic Glide Body (C-HGB), NASA MSR, NASA Mars 2020, Trident D5, Standard Missile, Patriot Missile, THAAD, B-52, KC-135, UCAV (Maverick), LASSO

 7%, 6%, and 6%

 Wichita, KS; Tulsa, OK; Dallas, TX; Prestwick, Scotland; Casablanca, Morocco; Belfast, Northern Ireland
 Various

 Commercial. The Commercial segment includes design and manufacturing of the following for commercial and business/regional jet programs:
 • The forward section of the fuselage, which houses the flight deck, passenger cabin, and cargo area;
 • The mid and rear fuselage sections;
 • Other structural components of the fuselage, including floor beams;
 • Nacelles (including thrust reversers) - aerodynamic structure surrounding engines;
 • Struts/pylons - structure that connects the engine to the wing;
 • Horizontal and vertical stabilizers;
 • Flaps and slats - flight control surfaces;
 • Wing structures - framework that consists mainly of spars, ribs, fixed leading edges, stringers, trailing edges, and flap track beams; and
 • Fully functional and tested wing systems.

 Net revenue in the Commercial segment amounted to $4,927.4 million, $4,885.0 million, and $4,068.4 million in 2024, 2023, and 2022, respectively.

 Defense & Space. The Defense & Space segment includes design and manufacturing of the following, primarily for U.S. Government defense programs:
 • Fuselage, strut, nacelle, and wing aerostructures: Fabrication, bonding, assembly, testing tooling, processing, engineering analysis, and training;
 • Missiles and Hypersonics: Solid rocket motor throats and nozzles, re-entry vehicle thermal protections systems;
 • Rotorcraft aerostructures: Forward cockpit and cabin, fuselage; and
 • Classified programs.

 On November 17, 2024, the Company entered into a definitive agreement to sell our Fiber Materials, Inc. ("FMI") business, a fully owned subsidiary of Spirit AeroSystems, Inc., for $165.0 million, subject to customary purchase price adjustments and closing conditions as set forth in the definitive agreement. The transaction closed on January 13, 2025. For additional information, see "Assets Held for Sale" under Item 7. Management's Discussion and Analysis of Financial Condition and Results of Operations in Part II of this annual report.

 Net revenue in the Defense & Space segment amounted to $975.2 million, $789.0 million, and $649.8 million in 2024, 2023, and 2022, respectively.

 Aftermarket. The Aftermarket segment includes development, production, and marketing of the following:
 • Maintenance, Repair and Overhaul (MRO) services related to Commercial and Defense & Space programs;
 • Fuselage, strut, nacelle, and wing aerostructures spare parts;
 • Repairs for flight control surfaces and nacelles;
 • Radome repairs;
 • Rotable assets trading and leasing;
 • Engineering services;
 • Advanced composite repair; and
 • Other MRO services.

 Net revenue in the Aftermarket segment amounted to $414.0 million, $373.9 million, and $311.4 million in 2024, 2023, and 2022, respectively.

 Our largest customer, Boeing, represents a substantial portion of our revenues in the Commercial segment. Our second largest customer, Airbus, also represents a substantial portion of revenues in the Commercial segment. Approximately 66%, 70%, and 65% of Commercial segment net revenues came from the Company's contracts with Boeing for the twelve months ended December 31, 2024, 2023, and 2022, respectively. Approximately 27%, 23%, and 27% of Commercial segment net revenues came from the Company's contracts with Airbus for the twelve months ended December 31, 2024, 2023, and 2022, respectively. A material portion of Defense & Space segment revenue is subject to renegotiation of profits or termination of contracts or subcontracts at the election of the U.S. Government. A substantial portion of our Defense & Space segment revenues are represented by defense business that is classified by the U.S. Government and cannot be specifically described. A significant portion of the Company's Defense & Space segment net revenues came from the Company's contracts with two individual customers for the twelve months ended December 31, 2024, 2023, and 2022, respectively. Approximately 54%, 47%, and 48% of Aftermarket segment net revenues came from our contracts with an individual customer for the twelve months ended December 31, 2024, 2023, and 2022, respectively. Individual customers other than those referred to above do not represent a significant portion of any of our primary segment's revenues and are not expected to in the near future.

 Our Manufacturing, Engineering, and Support Services

 Our expertise is in designing, engineering, and manufacturing large-scale, complex aerostructures. As of December 31, 2024, we maintain state-of-the-art manufacturing facilities located in Wichita, Kansas; Tulsa, Oklahoma; Kinston, North Carolina; Biddeford, Maine; Woonsocket, Rhode Island; Dallas, Texas; Prestwick, Scotland; Saint-Nazaire, France; Subang, Malaysia; Casablanca, Morocco; and Belfast, Northern Ireland.

 Our core manufacturing competencies include:
 • composites design and manufacturing processes;
 • leading mechanized and automated assembly and fastening techniques;
 • large-scale skin fabrication using both metallic and composite materials;
 • chemical etching and metal bonding expertise;
 • monolithic structures technology; and
 • precision metal forming producing complex contoured shapes in sheet metal and extruded aluminum.

 Our manufacturing expertise is supported by our state-of-the-art equipment. We have thousands of major pieces of equipment installed in our customized manufacturing facilities. We intend to continue to make the appropriate investments in our facilities to support and maintain our industry-leading manufacturing expertise.

 Engineering

 The Company is an industry leader in aerospace engineering with access to talent across the globe. The purpose of the engineering organization is to provide support for new and ongoing designs, technology innovation, research and development for customer advancements, and production-related process improvements. We possess a broad base of engineering skills for design, analysis, test, certification, tooling, and support of major fuselage, wing, and propulsion assemblies using both metallic and composite materials. In addition, our regulatory certification expertise helps ensure associated designs and design changes are compliant with applicable regulations.

 Our industry-leading engineering capabilities are key strategic factors differentiating us from our competitors across our Commercial, Defense & Space, and Aftermarket divisions.

 Spirit AeroSystems Aftermarket Solutions ("SAAS")

 Through SAAS, we provide rotable assets, spare parts, repair solutions, and engineering services. Our inventory of rotable assets is available for lease, exchange, and purchase. Additionally, our global repair stations are staffed with technicians specializing in advanced composite repair techniques. We provide MRO services for both metallic and composite components, either on site or at certified MRO stations. We are equipped with original production manufacturing tooling and specialize in service bulletin maintenance for the Company's nacelle components.

 Product
 Aircraft Program

 MRO
 Certified repair stations that provide complete on-site repair and overhaul; maintains global partnerships to support MRO services
 B737, B747, B757, B767, B777, B787, Rolls-Royce BR725, ERJ, CRJ, E4B, A320, A330

 Rotable Assets
 Maintain a pool of rotable assets for sale, exchange, and/or lease. Rotable assets refer to parts that can be used many times by repairing them.
 B737, B747, B767, B777, Rolls-Royce BR725, ERJ, CRJ, E4B, A320, A330

 Engineering Services
 Engineering, tooling, and measurement services. On-call field service representatives.
 Multiple programs

 Business Development

 The Company's core products include fuselages, struts/pylons, nacelles, and wing components, and we continue to focus on business growth through the application of core competencies as key strengths, including design for manufacturability, materials utilization expertise, targeted automation, advanced tooling and testing concepts, and determinate assembly to enable cost-effective, highly efficient production. We invest in research and development and new technology to bring the most advanced techniques, manufacturing, and automation to our customers.

 The Company applies extensive experience in advanced material systems, manufacturing technologies, and prototyping to continually invent and patent new technologies that improve quality, lower costs, and increase production capabilities. Our business growth is focused on application of these strengths to expand into new addressable commercial, defense, space and transportation markets and customers.

 Defense & Space Business

 In addition to providing aerostructures for commercial aircraft, we also design, engineer and manufacture structural components for military aircraft. We have been awarded a significant amount of work for Boeing's P-8 and KC-46 Tanker. The Boeing P-8 and KC-46 Tanker are commercial aircraft modified for military use. Other military programs for which we provide products and services are the forward cockpit and cabin for the Sikorsky CH-53K Helicopter and development work of the B-21 Raider. In 2024 we continued to identify, pursue, and win funded contracts on classified military programs. We have contracts on multiple funded military programs that are classified by the U.S. Government and cannot be specifically described. The operating results of these classified contracts are included in our consolidated financial statements. The business risks associated with classified contracts historically have not differed materially from those of our other U.S. Government contracts. Our internal controls addressing the financial reporting of classified contracts are consistent with our internal controls for our non-classified contracts.

 The following table summarizes by product and program what we currently have under contract.

 Product
 Applicable Segment
 Military Program

 Fixed Wing Aircraft
 Fabrication, bonding, assembly, testing, tooling, processing, engineering analysis, and training
 Various

 Nacelle & Pylons
 Fabrication, bonding, assembly, testing, tooling, processing, engineering analysis, and training
 B-52

 Rotorcraft
 Forward cockpit and cabin

 Sikorsky CH-53K

 Missiles & Hypersonics (FMI sale closed in January 2025)

 Solid rocket motor throats and nozzles, Re-entry vehicle thermal protection systems
 Trident D5, Standard Missile, Arrow 3, Common Hypersonic Glide Body (C-HGB), NASA MSR, NASA Mars 2020, Patriot Missile, THAAD (Terminal High Altitude Area Defense, an American anti-ballistic missile defense system)

 Fabrication

 Within our Commercial segment, the Company offers customers a wide range of solutions including machining, skin and sheet metal fabrication, and chemical processing. These capabilities are utilized for both internal and external sourcing and include the following:

 Fabrication

 Machine Fabrication
 5-axis machining capabilities: high-speed aluminum fabrication up to 23 feet, seat track machining, and extensive hard metal capabilities
 3- and 4-axis machining capabilities: range of hard metal capabilities, multi-spindle machines, and manufactured parts

 Sheet Metal Fabrication
 Includes stretch and hydro forming, roll, hammer, profiling, gauge reduction of extrusions and aluminum heat treat, as well as subassemblies

 Chemical Processing
 Includes a range of hard and soft metals with one of the largest automated lines in the industry

 Skin Fabrication
 Include skin stretch forming up to 1,500 tons, laser scribe, trim and drill, and chemical milling

 Our Customers

 Our revenues are substantially dependent on Boeing and Airbus. The loss of either of these customers would have a material adverse effect on the Company. For the twelve months ended December 31, 2024, approximately 58% and 21% of our net revenues were generated from sales to Boeing and Airbus, respectively. For the twelve months ended December 31, 2023, approximately 64% and 19% of our net revenues were generated from sales to Boeing and Airbus, respectively. We are currently the sole-source supplier for nearly all the products we sell to Boeing and Airbus.

 Boeing

 We are the largest independent supplier of aerostructures to Boeing and manufacture aerostructures for every Boeing commercial aircraft currently in production, including the majority of the airframe content for the Boeing B737, and multiple significant structural components of the Boeing B787. We supply these products through long-term supply agreements that cover the life of these programs, including any commercial derivative models. These supply agreements are described in more detail under "Our Relationship with Boeing" below. We believe our relationship with Boeing will allow us to continue to be an integral partner with Boeing in the designing, engineering, and manufacturing of complex aerostructures.

 Airbus

 We originally became a supplier to Airbus in April 2006 through the acquisition of BAE Aerostructures and subsequently won additional work packages with Airbus. Our business with Airbus increased substantially with the acquisition of Bombardier's aerostructures assets in Belfast and Morocco on October 30, 2020. We are one of the largest content suppliers of wing systems for the Airbus A320 family and a significant supplier for the Airbus A350 XWB. Under our supply agreement with Airbus for the A320 and A330, we supply products for the life of the aircraft program. For the A350 XWB program, we have long-term requirement contracts with Airbus. In addition, we build the fully integrated wing for the A220 aircraft. We believe we can continue working with Airbus on production rate ramp-up, supply chain diversification and new product development.

 Other Customers

 Other customers include Lockheed Martin, Northrop Grumman, Bombardier and Rolls-Royce.

 U.S. and International Customer Mix

 Although most of our revenues are obtained from sales inside the U.S., we generated $1,505.6 million, $1,380.8 million, and $1,215.1 million in sales to international customers for the twelve months ended December 31, 2024, 2023, and 2022, respectively, primarily to Airbus. This international revenue is primarily included in the Commercial segment. The portion of international revenue included in the Aftermarket segment, primarily out of our Belfast, Northern Ireland location, represents a significant amount of its segment revenues. Approximately 18% of our long-lived assets based on book value are located in the United Kingdom ("U.K."), with approximately another 5% of our long-lived assets located in countries outside the U.S. and the U.K.

 Our Relationship with Boeing

 A significant portion of Spirit's operations related to Boeing aerostructures was owned and controlled by Boeing until 2005. In 2005, Spirit Holdings became a standalone Delaware company, and commenced operations through the acquisition of Boeing's operations in Wichita, Kansas, Tulsa, Oklahoma, and McAlester, Oklahoma (the "Boeing Acquisition").

 In connection with the Boeing Acquisition, we entered into long-term supply agreements under which we are Boeing's exclusive supplier for substantially all of the products and services previously provided by Boeing's commercial aerostructures manufacturing operations in Wichita, Kansas and Tulsa and McAlester, Oklahoma to Boeing prior to the Boeing Acquisition. These supply agreements include products for Boeing's B737, B747, B767, and B777 commercial aircraft programs, as well as for certain products for Boeing's B787 program. These supply agreements cover the life of these programs, including any commercial derivative models.

 Supply Agreement with Boeing for B737, B747, B767, and B777 Programs ("Sustaining Programs")

 Overview. Two documents effectively comprise the Sustaining Programs' supply contract: (1) the Special Business Provisions ("Sustaining SBP"), which sets forth the specific terms of the Sustaining Programs' supply arrangement, and (2) the General Terms Agreement ("Sustaining GTA," and, together with the Sustaining SBP (and any related purchase order or contract), as amended, the "Sustaining Agreement"), which sets forth other general contractual provisions, including provisions relating to termination, events of default, assignment, ordering procedures, inspections, and quality controls.

 The Sustaining Agreement is a requirements contract that covers certain products, including fuselages, struts/pylons, and nacelles (including thrust reversers), wings and wing components, as well as tooling, for the Sustaining Programs for the life of these programs, including any commercial derivative models. During the term of the Sustaining Agreement, and absent a default by Spirit, Boeing is obligated to purchase from Spirit all its requirements for products covered by the Sustaining Agreement. Although Boeing is not required to maintain a minimum production rate, Boeing is subject to a maximum production rate above which it must negotiate with us regarding responsibility for recurring and non-recurring expenditures related to any agreed capacity increase. Boeing owns substantially all the Boeing product-specific tooling used in production or inspection of products covered by the Sustaining Agreement.

 Pricing. In September 2017, Boeing and Spirit entered into Amendment 30 to the Sustaining SBP that generally established pricing terms for the Sustaining Program models (excluding the B777X) through December 31, 2022 (with certain limited exceptions).

 On December 21, 2018, Boeing and Spirit executed a Collective Resolution 2.0 Memorandum of Agreement (the "2018 MOA"). The 2018 MOA established, among other items, pricing for certain programs through December 31, 2030, including the B737NG (including the P8), B737 MAX, B767 (but excluding B767-2C for which pricing is separately established), and the B777 freighters and B777-9 (pricing for the B777 300ER and 200LR was previously established and pricing for the B777-8 is subject to future negotiation). In addition, the 2018 MOA established B737 pricing based on production rates above and below current production levels, investments for tooling and capital for certain B737 rate increases, a joint cost reduction program for the B777X (a joint cost reduction program for the B737 is separately established), and the release of certain liabilities and claims asserted by both parties, including the B737 disruption activity claim. The parties further agreed to reconvene in 2028 to negotiate pricing beyond 2030. Consistent with the 2018 MOA, on January 30, 2019, Boeing and Spirit executed SBP Amendment 40 to implement the December 2018 MOA terms and conditions applicable to the Sustaining Programs.

 On February 6, 2020, Boeing and Spirit entered into a Memorandum of Agreement (the "2020 MOA") extending B737 MAX pricing terms through 2033 and updated payment terms.

 On October 12, 2023, Boeing and Spirit entered into a Memorandum of Agreement (the "2023 MOA"). Among other items, the 2023 MOA established recurring shipset price reductions on the B737 program effective with Spirit's first unit delivery in 2026 through the last unit delivery in June 2033. These reductions are subject to certain not-to-exceed amounts per annum over this period.

 Advances on the B737 Program. On April 12, 2019, Boeing and the Company executed a Memorandum of Agreement (the "2019 MOA"). Under the 2019 MOA, the Company received an advance payment from Boeing in the amount of $123.0 million during the third quarter of 2019. The 2020 MOA provided that the $123 million advance would be repaid by offset against the purchase price for year 2022 shipset deliveries. In the twelve months ended December 31, 2022 the $123.0 million of advance payments received from Boeing were repaid and there was no balance due as of December 31, 2022.

 Termination of Airplane Program. If Boeing decides not to initiate or continue production of a Sustaining Program model or commercial derivative because it determines there is insufficient business basis for proceeding, Boeing may terminate such model or derivative, including any order therefore, by written notice to Spirit. In the event of such a termination, Boeing would be liable to Spirit for any orders issued prior to the date of the termination notice and may also be liable for certain termination costs.

 Events of Default and Remedies. Events of default under the Sustaining Agreement include Spirit's failure to deliver products when and as required, and failure to maintain a required system of quality assurance, among other things. Certain events of default may allow Boeing to cancel orders under or terminate the Sustaining Agreement.

 Intellectual Property. All technical work product and works of authorship produced by or for Spirit with respect to any work performed by or for Spirit pursuant to the Sustaining Agreement are the exclusive property of Boeing. All inventions conceived by or for Spirit with respect to any work performed by or for Spirit pursuant to the Sustaining Agreement and any patents claiming such inventions are the exclusive property of Spirit, except that Boeing will own any such inventions that Boeing reasonably believes are applicable to the B787 Program, and Boeing may seek patent protection for such B787 inventions or hold them as trade secrets; provided that, if Boeing does not seek patent protection, Spirit may do so.

 B787 Supply Agreement with Boeing ("B787 Program")

 Overview. Two documents effectively comprise the B787 Program supply contract: (1) the Special Business Provisions ("B787 SBP"), which sets forth the specific terms of the B787 Program's supply arrangement and (2) the General Terms Agreement ("B787 GTA" and, together with B787 SBP and (any related purchase order or contract), as amended, the "B787 Agreement"), which sets forth other general contractual provisions, including provisions relating to termination, events of default, assignment, ordering procedures, inspections, and quality controls. The B787 Agreement is a requirements contract pursuant to which Spirit is Boeing's exclusive supplier for the forward fuselage, fixed, and movable leading wing edges, engine pylons, and related tooling for the B787.

 Pricing. In September 2017, Boeing and Spirit entered into Amendment 25 to the B787 Agreement that established pricing terms for the B787-8, -9, and -10 models through line unit 1405 and provided that Boeing and Spirit would negotiate follow-on pricing for line units 1406 and beyond beginning 24 months prior to the scheduled delivery date for line unit 1405. The amendment also implemented updated payment terms, among other things.

 In December 2018, Boeing and Spirit executed the 2018 MOA, which also established, among other things, pricing for the B787 for line unit 1004 through line unit 2205, and agreed to establish a joint cost reduction program for the B787. Consistent with the 2018 MOA, on January 30, 2019, Boeing and Spirit executed Amendment 28 to the B787 Agreement to implement the 2018 MOA terms and conditions applicable to the B787 Program.

 On October 12, 2023, Boeing and Spirit executed the 2023 MOA, which established recurring shipset price increases for the B787 program effective for line unit 1164 through line unit 1605 with a mutual goal of concluding negotiations 12 months prior to the delivery of line unit 1605, to discuss in good faith potential pricing changes, other interests and considerations pertaining to line unit 1606 and beyond.

 Advance Payments. Boeing has made advance payments to Spirit under the B787 Agreement, which are required to be repaid to Boeing by way of offsets against the purchase price for future shipset deliveries. Advance repayments were scheduled to be spread evenly over the remainder of the first 1,000 B787 shipsets delivered to Boeing, except that pursuant to an amendment to the B787 Agreement entered into in April 2014, advance repayments were suspended from April 1, 2014 through March 31, 2015, and any repayments that otherwise would have become due during such 12-month period will be made by offset against the purchase price for shipset 1,001 through 1,120. Repayments resumed in 2015. The 2018 MOA also provided for the suspension of advance repayments with respect to the B787 beginning with line number 818; to resume at a lower rate of $450,319 per shipset at line number 1135 and continue through line number 1605.

 In the event Boeing does not take delivery of a sufficient number of shipsets to repay the full amount of advances prior to the termination of the B787 Program or the B787 Agreement, any advances not then repaid will be applied against any outstanding payments then due by Boeing to us, and any remaining balance will be repaid in annual installments of $27 million due on December 15th of each year until the advance payments have been fully recovered by Boeing. Accordingly, portions of the advance repayment liability are included as current and long-term liabilities in our balance sheet. As of December 31, 2024, the amount of advance payments received by us from Boeing and not yet repaid was $164.3 million.

 Termination of Airplane Program. If Boeing decides not to continue production of the B787 Program because it determines, after consultation with Spirit, that there is an insufficient business basis for proceeding, Boeing may terminate the B787 Program, including any orders, by written notice to Spirit. In the event of such a termination, Boeing will be liable to Spirit for costs incurred in connection with any orders issued prior to the date of the termination notice and may also be liable for certain termination costs and for compensation for any tools, raw materials or work-in-process requested by Boeing in connection with the termination.

 Events of Default and Remedies. Events of default under the B787 Agreement include Spirit's failure to deliver products when and as required, and failure to maintain a required system of quality assurance, among other things. Certain events of default may allow Boeing to cancel orders under or terminate the B787 Agreement.

 Intellectual Property. The B787 Agreement established three classifications for patented invention and proprietary information: (1) intellectual property developed by Spirit during activity under the B787 Agreement ("Spirit IP"); (2) intellectual property developed jointly by Boeing and Spirit during that activity ("Joint IP"); and (3) all other intellectual property developed during activity under the B787 Agreement ("Boeing IP").

 Boeing may use Spirit IP for work on the B787 Program and Spirit must license it to third parties for work on such program. Each party is free to use Joint IP in connection with work on the B787 Program and other Boeing programs, but each must obtain the consent of the other to use it for other purposes. Spirit is entitled to use Boeing IP for the B787 Program, and may require Boeing to license it to subcontractors for the same purpose.

 The foregoing descriptions of the various agreements between Spirit and Boeing do not purport to be complete and are qualified in their entirety by reference to the full text of each agreement as filed with the SEC, subject to certain omissions of confidential portions pursuant to requests for confidential treatment filed separately with the SEC. Please see Item 15 to this Annual Report.

 Intellectual Property

 We have several patents pertaining to our processes and products. No individual patent or group of patents is of material importance. We also rely on trade secrets, confidentiality agreements, unpatented knowledge, creative products development, and continuing technological advancement to maintain our competitive position.

 Competition

 Although we are one of the largest independent non-OEM aerostructures suppliers based on annual revenues, with an estimated 18% share of the global non-OEM aerostructures market, this market remains highly competitive and fragmented. Our primary competition currently comes from work performed internally by OEMs or other tier-one suppliers, and new direct competitors have emerged and may continue to emerge in the tier-one supplier market. The Company continues to focus on design and manufacturing processes and tools, and cost reduction initiatives. The Company intends to compete by strengthening capabilities and capacity, and aligning to enhance program execution and integration across operations. The Company also intends to compete by strategically targeting organic and inorganic opportunities that enhance and deliver on our strategy. Additionally, we compete by developing technologies and processes that leverage the Company's unique knowledge and capabilities to create value for our customers.

 In commercial aerostructures, our principal competitors among OEMs include Boeing and Airbus (including its wholly-owned subsidiaries Airbus Atlantic and Premium Aerotec GmbH).

 Our principal competitors among non-OEM tier-1 aerostructures suppliers include Aernnova, GKN Aerospace, Kawasaki Heavy Industries, Inc., Mitsubishi Heavy Industries, Safran Nacelles, Sonaca, Airbus Atlantic, Airbus Aerostructures, Triumph Group, Inc. ("Triumph"), Leonardo, Turkish Aerospace Industries, Inc. ("TAI"), and Latecoere S.A.

 The Company continues to build a larger presence in the defense aerostructures market. The Company's competition in defense aerostructures includes Boeing, Lockheed Martin, Northrop Grumman, Collins Aerospace, Leonardo, GKN, Triumph, BAE Systems, Albany Engineered Composites, Korea Aerospace Industries, and TAI.

 Expected Backlog

 As of December 31, 2024, our expected backlog associated with large commercial aircraft, business and regional jets, and military equipment deliveries, calculated based on contractual and historical product prices and expected delivery volumes, was approximately $46.6 billion, a decrease of $2.0 billion from our corresponding estimate as of December 31, 2023. The decrease is primarily driven by decreases to the expected backlog of the B737 and A220 programs. A significant majority of our backlog is on programs in our Commercial segment. The B737 program backlog is approximately 52% of our total backlog. The A320 program backlog is approximately 11% of our total backlog. Backlog is calculated based on Boeing's and Airbus' announced backlog on our supply agreements (which are based on orders from customers), and the number of units the Company is under contract to produce on our fixed quantity contracts. The number of units may be subject to cancellation or delay by the customer prior to shipment, depending on contractual terms. For example, our contract with Boeing for the B737 MAX program is a requirements contract, and Boeing can reduce the purchase volume at any time. The level of unfilled orders at any given date during the year may be materially affected by the timing of our receipt of firm orders and additional airplane orders, and the speed with which those orders are filled. Accordingly, our expected backlog as of December 31, 2024 may not necessarily represent the actual amount of deliveries or sales for any future period. For additional information on backlog, please see Item 1A. "Risk Factors – Risks Related to Our Industry and Overall Business – Our backlog is subject to change, potentially with short notice."

 Of our expected backlog of $46.6 billion as of December 31, 2024, approximately $130.5 million was attributable to FMI. See "Assets Held for Sale" under Item 7. Management's Discussion and Analysis of Financial Condition and Results of Operations in Part II of this annual report for additional information.

 Suppliers and Materials

 The principal raw materials used in our manufacturing operations are aluminum, titanium, steel, and composite material. We also purchase metallic parts, non-metallic parts, and machined components. In addition, we procure subassemblies from various manufacturers that are used in the final aerostructure assembly. From time to time, we also review our make-versus-buy strategy to determine whether it would be beneficial to us and/or our customers to outsource work that we currently produce in-house or vice versa.

 We have long-standing relationships with hundreds of manufacturing suppliers. Our strategy is to enter into long-term agreements with suppliers to secure the best value for Spirit and our customers. Our exposure to rising costs of raw material may be limited to some extent through leveraging relationships with our OEM customers' high-volume contracts.

 We continue to seek and develop sourcing opportunities in North America, Europe, and Asia to achieve a competitive global cost structure. Over 25 countries are represented in our international network of suppliers.

 For additional information on our suppliers, please see Item 1A. "Risk Factors – Risks Related to Our Industry and Overall Business" and "Risk Factors – Risks Related to Our Operations".

 Research and Development

 We believe that a world-class research and development focus helps maintain our position as an advanced supplier to our OEM customers' new product development teams and expand our position in emerging markets. As a result, our research and development spend was $47.5 million for the year ended December 31, 2024, $45.4 million for the year ended December 31, 2023, and $50.4 million for the year ended December 31, 2022. Through our research, we strive to develop unique intellectual property and technologies that will improve our products and our customers' products and, at the same time, position us to win work on new products. Our development efforts focus on improving manufacturing processes on our current work and developing new capability and affordable, industrialized technology targeting growth focused initiatives. It also serves as an ongoing process that helps develop ways to reduce production costs and streamline manufacturing processes.

 Our research and development is primarily geared toward the design and manufacturing processes for our three business segments and aimed at enabling Spirit to utilize commercial scale and expertise to translate best practices to our growing defense and aftermarket businesses. We maintain six Distinctive Capability areas (digital transformation, industry 4.0, engineered factory, metals technology, composites technology, and performance architectures) which guide our research and development strategy to enable growth and sustainability. We are currently focused on research in areas such as advanced metallic joining, low-cost composites, thermoplastics, new material systems, efficient structures, systems integration, advanced design and computational analysis methods, and model-based digital transformation. We collaborate with universities, research facilities, and technology partners in our research and development.

 For additional information on research and development, please see Item 1A. "Risk Factors – Risks Related to Our Operations – Our success depends in part on the success of our research and development initiatives."

 Regulatory Matters

 Environmental. Our operations and facilities are subject to various environmental, health, and safety laws and regulations, including federal, state, local, and foreign government requirements governing, among other matters, the emission, discharge, handling, and disposal of regulated materials, the investigation and remediation of contaminated sites, and permits required in connection with our operations. We continually monitor our operations and facilities to ensure compliance with these laws and regulations; however, management cannot provide assurance that future changes in such laws or the enforcement thereof, or the nature of our operations will not require us to make significant additional expenditures to ensure continued compliance. Further, we could incur substantial costs, including costs to reduce air emissions, clean-up costs, fines and sanctions, and third-party property damage, or personal injury claims as a result of violations of or liabilities under environmental laws, relevant common law or the environmental permits required for our operations. It is reasonably possible that costs incurred to ensure continued environmental compliance could have a material impact on our results of operations, capital expenditures, financial condition, competitive condition, or cash flows if additional work requirements or more stringent clean-up standards are imposed by regulators, new areas of soil, air, and groundwater contamination are discovered, and/or expansions of work scope are prompted by the results of investigations.

 Government Contracts. Companies engaged in supplying defense-related equipment and services to U.S. Government agencies, either directly or by subcontract, are subject to business risks specific to the defense industry. These risks include the ability of the U.S. Government to unilaterally terminate existing contracts, suspend, or debar us from receiving new prime contracts or subcontracts, reduce the value of existing contracts, audit our contract-related costs and fees, including allocated indirect costs, and control and potentially prohibit the export of our products, among other things. If a contract was terminated for convenience, we could recover the costs we have incurred or committed, settlement expenses, and profit on the work completed prior to termination. However, if the termination is a result of our failure to perform, we may be liable for excess costs incurred by the prime contractor in procuring undelivered items from another source. In addition, failure to follow the requirements of the National Industrial Security Program Operating Manual ("NISPOM") or any other applicable U.S. Government industrial security regulations could, among other things, result in termination of our facility securities clearances (each a "FCL"), which in turn would preclude us from being awarded classified contracts or, under certain circumstances, performing on our existing classified contracts.

 Commercial Aircraft. The commercial aircraft component industry is highly regulated by the Federal Aviation Administration (the "FAA"), the European Aviation Safety Agency ("EASA"), and other agencies throughout the world. The military aircraft component industry is governed by military quality specifications. We, and the components we manufacture, are required to be certified by one or more of these entities or agencies, and, in some cases, by individual OEMs, to engineer and service parts and components used in specific aircraft models. In addition, the FAA requires that various maintenance routines be performed on aircraft components. We believe that we currently satisfy or exceed these maintenance standards in our repair and overhaul services.

 Export Control. The technical data and components used in the design and production of our products, as well as many of the products and technical data we export, either as individual items or as components incorporated into aircraft, are subject to compliance with U.S. export control laws. Collaborative agreements that we may have with foreign persons, including manufacturers or suppliers, are also subject to U.S. export control laws.

 Health and Safety. Our operations are also subject to a variety of worker and community safety laws. The Occupational Safety and Health Act ("OSHA") mandates general requirements for safe workplaces for all employees. In addition, OSHA provides special procedures and measures for the handling of certain hazardous and toxic substances. Our management believes that our operations are in material compliance with OSHA's health and safety requirements.

 For additional information on regulatory matters, please see Item 1A. "Risk Factors – Risks Related to Our Governmental and Global Activities"

 Human Capital

 Employees. Our people are our greatest asset, and we recognize that our ability to attract, develop, motivate and retain a skilled team is critical to our success. Leadership is committed to creating a culture of responsibility and achievement that supports our employees' growth and development. We encourage our employees to embrace different backgrounds and perspectives and to give back to the communities where we do business. By allowing employees to thrive, the Company creates a stronger and more dedicated team.

 At December 31, 2024, we had approximately 20,370 employees: approximately 14,190 located in our six U.S. facilities, approximately 3,550 located in our Belfast facilities, approximately 1,240 located at our Prestwick facility, approximately 1,000 located in our Malaysia facility, approximately 240 located in our Morocco facility, and approximately 150 located in our France facility. Of the employees located in our six U.S. facilities noted above, approximately 11,980 were located in Wichita, Kansas; approximately 1,090 were located in Tulsa Oklahoma; approximately 660 were located in Kinston, North Carolina; approximately 320 were located in Biddeford, Maine; approximately 100 were located in Dallas, Texas and approximately 40 were located in Woonsocket, Rhode Island.

 Values. The Company operates according to three key values that are designed to help it meet commitments to all stakeholders — employees, customers, suppliers, investors and communities. These values are:

 • Transparency - Being open, honest and respectful with communication; sharing ideas and building trust by making intentions clear;
 • Collaboration - Aligning actions with others; working together to achieve the best outcomes; and
 • Inspiration - Encouraging the best from others; leading by example to ensure innovation is a component of success.

 The values are enabled through the foundation of Trust and Speak Out: Asking thoughtful questions to enhance understanding; encouraging active listening and considering diverse perspectives; and sharing ideas to reach better decisions and achieve better outcomes.

 Adopting and incorporating the Company's values into day-to-day tasks and activities enables the Company to be a trusted partner. We believe practicing transparency, collaboration and inspiration—individually and collectively—supports the Company's efforts to be customer focused, provide on-time delivery, and maintain and improve quality and safety for all.

 Code of Business Conduct. The Company is committed to the highest ethical standards and to complying with all laws and regulations applicable to the Company's business. To support and articulate its commitment and responsibility in this regard, the Company has adopted the Code of Business Conduct (the "Code"). The Code addresses a number of topics, including the Foreign Corrupt Practices Act, conflicts of interest, safeguarding assets, insider trading, and general adherence to laws and regulations. All directors and employees, including executive officers, must comply with the Code. The Code is available on the Company's website at

 Culture and Talent Management. The Company is committed to creating a world class workforce and is actively working to build a culture where all employees' diverse skills and talents are valued. The Company values the full range of different perspectives and abilities that our employees bring to the workplace. The attraction, retention and development of employees is a critical success factor in meeting the Company's strategy. We seek to provide our employees opportunities for growth through formal and informal development programs that include: training, coaching and mentoring, networking, skills and experience and career planning. Through our core values, Spirit strives to create a culture of empowerment, engagement and performance, where all employees feel welcomed and have a sense of belonging. We have a robust talent and succession planning process and have established specialized programs to support the development of our talent pipeline for critical roles throughout the company. Our management and salaried retention rate was 88% in 2024.

 Health and Safety. The Company takes steps to comply in all material respects with applicable legal, regulatory and other requirements related to preventing pollution, injury and ill health, and employs industry-leading, technologically sound and economically feasible control mechanisms, procedures and processes. In addition, the Company provides training, education, safety monitoring and auditing, health-awareness programs, and ergonomic support in the Company's offices and factories. We are committed to the safety and health of our employees and work to eliminate injuries and accidents. We evaluate safety performance through multiple indicators, including OSHA recordable injury rates and lost-time incidents.

 Labor Relations and Collective Bargaining Agreements

 Our principal U.S. collective bargaining agreements were with the following unions as of December 31, 2024:

 Union
 Percent of our U.S. Employees Represented
 Status of the Agreements with Major Union

 The International Association of Machinists and Aerospace Workers (IAM)
 59%
 We have two major agreements - one expires in June 2027 and one expires in November 2027.

 The Society of Professional Engineering Employees in Aerospace (SPEEA)
 18%
 We have two major agreements - one expires in January 2026 and one expires in December 2028.

 The International Union, Automobile, Aerospace and Agricultural Implement Workers of America (UAW)
 6%
 We have one major agreement expiring in December 2025.

 The International Brotherhood of Electrical Workers (IBEW)
 1%
 We have one major agreement expiring in September 2027.

 Represented employees noted above were located across our Wichita, Kansas, Tulsa, Oklahoma, and Kinston, North Carolina facilities. U.S. employees located at our Dallas, Texas, Biddeford, Maine, and Woonsocket, Rhode Island locations are not represented.

 Approximately 93% of our Prestwick employees are part of the collective bargaining group represented by one union, Unite (Amicus Section). In 2013, the Company negotiated two separate ten-year pay agreements with the Manual Staff bargaining and the Monthly Staff bargaining groups of the Unite union. These agreements cover basic pay and variable at risk pay, while other employee terms and conditions generally remain the same from year to year until both parties agree to change them. In the first quarter of 2021, the Company negotiated and agreed with Unite, a three-year extension to the pay agreements which are effective from January 2023 to December 2025. The elements of the contract extension remain the same as those in the ten-year agreements.

 In the U.K. (Belfast), approximately 86% of the employees are part of the collective group represented by the Trade Unions. Unite the Union is the largest representing approximately 95% of unionized employees, with General, Municipal, Boilermakers making up the balance. The current agreement covers the period from January 2024 to December 2025.

 In France, our employees are represented by CFTC ("Conf d ration Fran aise des Travailleurs Chr tiens" or "French Confederation of Christian Workers") and FO ("Force Ouvri re" or "Labor Force"). The Company negotiates yearly on compensation and once every four years on issues related to gender equality and work-life balance. The next election to determine union representation will occur in July 2027.

 In Morocco, approximately 62% of our employees are represented by Union Marocain du Travail ("UMT"). We negotiated a three year agreement with UMT that expires in December 2025.

 None of our Malaysia employees are currently represented by a union.

 We consider our relationships with our employees to be satisfactory.

 Available Information

 Our Internet address is  The content on our website is available for information purposes only. It should not be relied upon for investment purposes, nor is it incorporated by reference into this Annual Report.

 We make available through our Internet website, under the heading "Investor Relations," our Annual Reports on Form 10-K, Quarterly Reports on Form 10-Q, Current Reports on Form 8-K, Proxy Statements, and amendments to those reports after we electronically file such materials with the SEC. Copies of our key corporate governance documents, including Spirit Holdings' Bylaws. The Corporate Governance Guidelines, the Code, the Related Person Transaction Policy, the Finance Code of Professional Conduct, and charters for our Audit Committee, Risk Committee, Compensation Committee, and Corporate Governance and Nominating Committee are also available on our website.

 The SEC maintains an Internet site at  that contains reports, proxy information statement, and other information regarding issuers that file electronically with the SEC. Our filed Annual and Quarterly Reports, Current Reports, Proxy Statement and other reports previously filed with the SEC are available through the SEC's website.

 Item 1A. Risk Factors

 An investment in our securities involves risks and uncertainties. The risks and uncertainties set forth below are those that we believe may materially and adversely affect us, our future business or results of operations, our industry, or investments in our securities. Additional risks and uncertainties that we are unaware of or that we deem immaterial may also materially and adversely affect us, our future business or results of operations, or investments in our securities. The risks speak only as of the date hereof, and new risks may emerge or changes to the foregoing risks may occur that could impact our business. The following is a summary of risks that we deem material, which are described in further detail below:

 • Risks Related to Our Industry and Overall Business

 • Our business, financial results, and prospects are dependent to a significant degree on global economic and geopolitical conditions and global aviation demand.
 • Our business depends largely on sales of components for a single aircraft program, the B737, which has had significant reductions in production rate, including suspensions, relating to the B737 MAX groundings and the COVID-19 pandemic. Additional suspensions or reductions in, or increases in, the B737 production rate and the rates for other programs have in the past created, and may in the future create, financial and disruption risks for the Company and its suppliers.
 • We depend on Boeing and Airbus as our largest customers, and our business has in the past been, and may in the future be, negatively affected by the actions they take, business difficulties they may experience or breaches of their obligations to us.
 • We have incurred significant operating losses in the last few years, and we cannot guarantee you that we will not incur substantial operating losses in the future.
 • Our backlog is subject to change, potentially with short notice.
 • Our business depends, in part, on securing work for replacement programs.
 • We operate in a very competitive business environment.
 • Prolonged periods of inflation where we do not have adequate inflation protections in our customer contracts have had, and could continue to have, a material adverse effect on our results of operations.
 • Our commercial business is cyclical and sensitive to commercial airlines' profitability.
 • Our business and results of operations have been, and could in the future be, adversely impacted, possibly materially, by pandemics and other public health emergencies, or the fear thereof.
 • Our business and results of operations could be adversely affected by disruptions in the global economy caused by Russia's invasion of Ukraine and the conflict in the Middle East and related sanctions and other developments.

 • Risks Related to Our Operations

 • Our business depends on our ability to maintain a healthy supply chain, meet production rate requirements, and timely delivery of products that meet or exceed stringent quality standards.
 • Our operations depend on our ability to maintain continuing, uninterrupted production at our manufacturing facilities and our suppliers' facilities.
 • Interruptions in deliveries of or increased prices for components or raw materials used in our products have materially adversely impacted, and could continue to materially adversely impact, production and our business.
 • Cyber-attacks, network security breaches, service interruptions, data corruption or misuse or Privacy Regulation (defined below) violations pose significant risks to our business and operations.
 • Our success depends in part on the success of our research and development initiatives.
 • Significant regulatory, operational, and other risks are posed by climate change and the transition to a "low-carbon" economy in response to climate change.

 • Risks Related to Our Business Strategy

 • If we fail to implement our business strategy or if our business strategy is ineffective, our financial performance could be materially and adversely affected, and we may not achieve our financial goals.
 • Our acquisitions, joint ventures, strategic alliances and partnerships expose us to risks, including the risk that we may not be able to successfully integrate these businesses or achieve expected operating synergies.
 • We face risks as we work to successfully execute on new or maturing programs.

 • Risks Related to Legal and Regulatory Matters

 • The outcome of legal proceedings and government inquiries and investigations involving our business is unpredictable, and an adverse decision in any such matter could have a material effect on our business.
 • We do not own most of the program-specific intellectual property and tooling used in our business.
 • Our business could be materially adversely affected by product warranty obligations or defective product claims.
 • The profitability of certain programs depends significantly on the assumptions surrounding satisfactory settlement of customer claims and assertions.

 • Risks Related to Our Governmental and Global Activities

 • Our global footprint subjects us to the risks of doing business in foreign countries.
 • Our business is subject to regulation in the U.S. and internationally.
 • The U.S. Government is a significant customer of certain of our customers and we and they are subject to specific U.S. Government contracting rules and regulations.

 • Risks Related to Employment Matters

 • In order to be successful, we must attract, retain, train, motivate, develop and transition key employees, and failure to do so could harm our business.
 • Increases in labor costs, potential labor disputes, and work stoppages at our facilities or the facilities of our suppliers or customers have impacted, and could materially adversely affect, our financial performance.
 • We could be required to make future contributions to our defined benefit pension and post-retirement benefit plans and our costs may substantially increase in connection with such plans as a result of adverse changes in interest rates and the capital markets, changes in actuarial assumptions and legislative or other regulatory actions.

 • Risks Related to Our Debt, Liquidity, Financial Estimates and Taxes

 • We have incurred significant operating losses in the last few years and have identified conditions or events that raise substantial doubt about our ability to continue as a going concern.
 • Declines in our financial condition and performance and reductions in our credit ratings have increased our borrowing costs and adversely affected the market price of our securities. Any additional declines could further impact our borrowing costs, impact the market price of our securities or limit our ability to obtain future financing or otherwise impair our business, financial condition, and results of operations.
 • Our debt could adversely affect our financial condition and our ability to operate our business due to significant restrictions in our Credit Agreement, which could also adversely affect our operating flexibility and put us at a competitive disadvantage.
 • We use estimates in accounting for revenue and costs for our contracts. Changes in our estimates have materially affected, and could in the future materially adversely affect, our financial performance.
 • We may not be able to generate sufficient taxable income to fully realize our deferred tax assets.

 • Risks Related to Our Common Stock

 • We cannot assure you that we will declare and pay cash dividends on our Common Stock at historical levels or at all.
 • Spirit Holdings' certificate of incorporation, bylaws and our supply agreements with Boeing contain provisions that could discourage others from acquiring us and may prevent attempts by our stockholders to replace or remove our current management.

 • Risks Related to the Merger and the Airbus Business Disposition

 • We may not be able to negotiate and enter into definitive agreements with Airbus with respect to the Airbus Business Disposition or to complete the disposition of the Spirit Airbus Business.
 • Because the market prices of Boeing Common Stock and Holdings Common Stock will fluctuate prior to the consummation of the Merger, Holdings stockholders cannot be sure of the market value of shares of Boeing Common Stock that they will receive in the Merger or the difference between the market value of shares of Boeing Common Stock that they will receive in the Merger and the market value of shares of Holdings Common Stock immediately prior to the Merger.
 • The Merger is subject to conditions, including certain conditions that are beyond our control and may not be satisfied on a timely basis or at all. Failure to complete the Merger could have material adverse effects on us.
 • The Merger is subject to certain regulatory approvals that, if delayed, not granted or granted with burdensome or unacceptable conditions, could delay, impair or prevent consummation of the Merger or result in additional costs or reduce the anticipated benefits of the Merger.
 • The Merger Agreement limits our ability to pursue alternatives to the Merger and could discourage a potential competing acquiror or other strategic transaction partner from making a favorable alternative transaction proposal.
 • The Merger, and uncertainty regarding the Merger, may adversely affect our relationships with customers, suppliers, strategic partners and others and could adversely affect our ability to manage our business.
 • Uncertainties associated with the Merger and the Airbus Business Disposition may result in our losing management and other key personnel, which could adversely affect our business and operations.
 • We have incurred and expect to incur significant transaction costs in connection with the Merger and the Airbus Business Disposition.
 • Completion of the Merger may trigger change in control or other provisions in certain of our agreements.
 • Securities class action and derivative lawsuits in connection with the Merger or the Airbus Business Disposition could result in substantial costs and prevent or delay the consummation of the Merger.
 • After the Merger, Holdings stockholders will have a significantly lower ownership and voting interest in Boeing than they currently have in Holdings and will exercise less influence over management.
 • The shares of Boeing Common Stock to be received by Holdings stockholders upon completion of the Merger will have different rights from shares of Holdings Common Stock.
 • Holdings stockholders will not be entitled to appraisal rights in the Merger.

 Risks Related to Our Industry and Overall Business

 Our business, financial results, and prospects are dependent to a significant degree on global economic and geopolitical conditions and global aviation demand.

 The commercial airline industry is impacted to a significant degree by the strength of the global economy and geopolitical events around the world. A protracted economic slump or recession, increases in interest rates and inflation and adverse credit market conditions, or possible exogenous shocks, such as the conflicts between Russia and Ukraine and in the Middle East, political unrest, terrorist attacks or pandemics, contagions and other health emergencies (including the COVID-19 pandemic), or the fear of any of the foregoing occurring, have in the past caused, and could in the future cause, precipitous declines in air traffic, in turn causing airlines to cancel or delay the purchase of additional new aircraft. The cancellation or delay of new aircraft purchases has in the past resulted in, and could in the future result in, a deterioration of commercial airplane backlogs and a decrease in demand for our commercial aircraft products, which has in the past materially adversely affected, and could in the future materially adversely affect, our business, financial condition, and results of operations.

 We largely support commercial aerostructures customers, and our financial results and prospects are almost entirely dependent on global commercial aviation demand and the resulting production rates of our customers. Due to the discretionary nature of air travel, the airline industry is particularly sensitive to changes in economic conditions, or the expectation thereof, and to pandemics, contagions or other health emergencies or the fear of such events. In addition, during periods of unfavorable or volatile economic conditions in the global economy, demand for air travel can be significantly impacted as business and leisure travelers choose not to travel, seek alternative forms of transportation for short trips or conduct business through videoconferencing. Our customers, including Boeing and Airbus, have in the past decreased production rates across many programs due to decreased demand for aviation, including as a result of the COVID-19 pandemic, and may in the future continue to adjust production rates or suspend production, potentially without early warning and within a short time horizon. Suspensions in our production rates or prolonged reductions to rates have in the past resulted in, and could in the future result in, significant challenges and material adverse impacts on our business, operations and financial performance.

 Our operations in newly developed and emerging markets expose us to heightened risks of economic, geopolitical, or other events, including governmental takeover (nationalization) of our manufacturing facilities or intellectual property, restrictive exchange or import controls, disruption of operations as a result of systemic political or economic instability, outbreak of war or expansion of hostilities, and acts of terrorism, each of which could have a substantial adverse effect on our financial condition and results of operations. Further, the U.S. Government, other governments, and international organizations have imposed, and could in the future impose additional, sanctions that restrict us from doing business directly or indirectly in or with certain countries or parties, which could include affiliates.

 Our business depends largely on sales of components for a single aircraft program, the B737, which has had significant reductions in production rate, including suspensions, relating to the B737 MAX groundings and the COVID-19 pandemic. Additional suspensions or reductions in, or increases in, the B737 production rate and the rates for other programs have in the past created, and may in the future create, financial and disruption risks for the Company and its suppliers.

 For the twelve months ended December 31, 2024, 2023, and 2022 approximately 39%, 45%, and 45% of our net revenues, respectively, were generated from sales of components to Boeing for the B737 aircraft, as compared to 53% for the twelve months ended December 31, 2019, which was the most recent period to exclude impacts from the B737 MAX grounding and the global pandemic crises. While we have entered into long-term supply agreements with Boeing to continue to provide components for the B737 for the life of the aircraft program, including commercial and military P-8 derivatives, Boeing does not have any obligation to purchase components from us for any replacement for the B737 that is not a commercial derivative model as defined by (1) the Special Business Provisions ("Sustaining SBP"), which sets forth the specific terms of the supply arrangement for the B737, B747, B767 and B777 Programs (the "Sustaining Programs"), and (2) the General Terms Agreement (together with the Sustaining SBP (and any related purchase order or contract), as amended, the "Sustaining Agreement"), which sets forth other general contractual provisions, including provisions relating to termination, events of default, assignment, ordering procedures, inspections, and quality controls. Moreover, the contract is a requirements contract, and Boeing can reduce the purchase volume at any time and has done so in the past, including as a result of the B737 MAX grounding and the COVID-19 pandemic. Conversely, Boeing has in the past increased, and could in the future further increase, purchase volumes at any time and the advance notice we receive regarding any such changes may not be sufficient for us to be able to adequately prepare for the changes. Reductions and increases in purchase volumes also occur on other programs.

 In March 2019, the B737 MAX fleet was grounded in the U.S. and internationally following accidents involving two B737 MAX aircraft. At Boeing's direction, Spirit suspended all B737 MAX production beginning on January 1, 2020. Subsequently, there were a number of changes to production rates as a result of the grounding and COVID-19 impacts. These production changes created significant disruption for the Company and its B737 MAX suppliers.

 We regularly make significant assumptions with respect to the B737 program regarding the number of units to be delivered each year, the period during which those units are likely to be produced, and the units' expected sales prices, production costs, program tooling and other non-recurring costs, and routine warranty costs. In addition, we regularly make assumptions regarding estimated costs expected to be incurred until resuming a normal production rate consistent with 2019 production levels to determine which costs should be (i) included in program inventory and (ii) expensed when incurred as abnormal production costs. Changes in these estimates and assumptions with respect to the B737 program have had, and could continue to have, a material adverse impact on our financial position, results of operations, and/or cash flows.

 On January 5, 2024 there was an in-flight incident on a B737 MAX 9 aircraft flown by Alaska Airlines. As a result, the B737 MAX 9 derivative fleet was temporarily grounded by the FAA while certain safety inspections were completed and to allow the FAA time to review any required maintenance actions. The B737 MAX 9 fleet returned to service on January 26, 2024 after mandatory inspections were completed. We are participating in investigations relating to this incident. We are currently unable to reasonably estimate what impact this incident, including any impacts of investigations, will have on our financial position, results of operations and cash flows.

 We have had, and may in the future continue to have, difficulties in managing our cost structure to take into account changes in production schedules or to accommodate a ramp-up in production. We generally need to hire additional employees as rates increase and if we are not able to do so or are not able to do so at an efficient cost, our ability to meet increased production rates could be adversely affected. Conversely, production levels for the B737 MAX program or other programs could be reduced beyond current expectations. Changes in production schedules have materially adversely impacted, and could in the future materially adversely impact, our ability to comply with contractual obligations, our liquidity position and our business, financial condition, results of operations and cash flows.

 We depend on Boeing and Airbus as our largest customers, and our business has in the past been, and may in the future be, negatively affected by actions they take, business difficulties they may experience or breaches of their obligations to us.

 Boeing is our largest customer, and Airbus is our second-largest customer. For the twelve months ended December 31, 2024 and the twelve months ended December 31, 2023, approximately 58% and 64%, respectively, of our net revenues were generated from sales to Boeing and 21% and 19%, respectively, of our net revenues were generated from sales to Airbus. Although part of our strategy is to diversify our customer base, we cannot assure that we will be successful in doing so. Even if we are successful in obtaining new customers, we expect that Boeing and Airbus will continue to account for a substantial portion of our sales. Our contracts with Boeing and certain of our contracts with Airbus are requirements contracts that do not require specific minimum purchase volumes. Boeing or Airbus can reduce, or increase, their purchase volumes at any time, and the advance notice we receive regarding any such changes may not be sufficient for us to be able to adequately prepare for the changes. If either of these customers reduces the requirements under our agreements (as Boeing did in 2019, 2020, and 2021 due to the B737 MAX grounding and the COVID-19 pandemic and other customers did in 2020 and 2021 due to the COVID-19 pandemic), terminates the agreements or portions of them (due to our breach), suspends or terminates one or more purchase orders in whole or in part, a termination for convenience (which is a provision included in most of the contracts) or otherwise, experiences a major disruption in its business (such as a strike, work stoppage, slowdown, or a supply chain problem) or experiences a deterioration in its business, financial condition, access to credit, or liquidity, our business, financial condition, and results of operations could be materially adversely affected. Any monetary damages we receive from Airbus or Boeing as a result of a contractual termination may not be sufficient to cover our actual damages.

 We have incurred significant operating losses in the last few years, and we cannot guarantee you that we will not incur substantial operating losses in the future.

 Since 2020, we have incurred significant operating losses. Our net loss attributable to common shareholders was $2,139.8 million, $616.2 million, and $545.7 million for the years ended December 31, 2024, 2023, and 2022, respectively. We cannot guarantee that we will not incur significant expenses and operating losses in the future, including as a result of the risks described in this section. We have relied, and may continue to rely, on our customers and sources of debt and equity financing to operate our business, and we cannot guarantee you that we will have access to these liquidity sources on terms acceptable to us, or at all. The net losses we incur may fluctuate significantly from quarter to quarter and year to year. If we are unable to become or remain profitable and we continue to have operating losses, our business, financial condition, and results of

 operations could be materially adversely affected and the value of our securities, including our common stock, could significantly decline. See the Risk Factor "We have incurred significant operating losses in the last few years and have identified conditions or events that raise substantial doubt about our ability to continue as a going concern" for additional information.

 Our backlog is subject to change, potentially with short notice.

 From time to time, we disclose our expected backlog associated with large commercial aircraft, business and regional jets, and military equipment deliveries, calculated based on contractual and historical product prices and expected delivery volumes. Impacts from global events have in the past caused, and may in the future cause, our backlog to deteriorate due to order cancellations or delays, potentially with short notice. Backlog is calculated based on Boeing's and Airbus' announced backlog on our supply agreements (which are based on orders from customers) and the number of units the Company is under contract to produce on our fixed quantity contracts. Accordingly, we rely on the latest available information from Boeing and Airbus to calculate our backlog, which may not reflect cancellations they expect to make but have not yet announced. The number of units may be subject to cancellation or delay by the customer prior to shipment, depending on contract terms. For example, our contract with Boeing for the B737 program is a requirements contract, and Boeing can reduce the purchase volume at any time. The level of unfilled orders at any date during the year may be materially affected by the timing of our receipt of firm orders and additional airplane orders, and the speed with which those orders are filled. Accordingly, our expected backlog does not necessarily represent the actual amount of deliveries or sales for any future period.

 Our business depends, in part, on securing work for replacement programs.

 While we have entered into long-term supply agreements with respect to the Sustaining Programs, Boeing does not have any obligation to purchase components from us for any subsequent variant of these aircrafts that is not a commercial derivative as defined by the Sustaining Agreement. If we are unable to obtain significant aerostructures supply business for any variant of these aircrafts for which we provide significant content, such as the B737 MAX, our business, financial condition, and results of operations could be materially adversely affected.

 We operate in a very competitive business environment.

 As the Company seeks to further diversify its program portfolio and product offerings and expand its customer base, we face substantial competition from both OEMs and non-OEM aerostructures suppliers. OEMs may choose not to outsource production of aerostructures due to, among other things, their own direct labor and other overhead considerations and capacity utilization at their own facilities. Consequently, traditional factors affecting competition, such as price and quality of service, may not be significant determinants when OEMs decide whether to produce a part in-house or to outsource.

 Some of our non-OEM competitors have greater resources than we do and may be able to adapt more quickly to new or emerging technologies and changes in customer requirements or devote greater resources to the promotion and sale of their products than we can. Consolidation of or partnerships among our competitors could also increase their financial resources, market penetration and purchasing power. Providers of aerostructures have traditionally competed on the basis of cost, technology, quality, and service. We believe that developing and maintaining a competitive advantage will require continued investment in product development, engineering, supply-chain management, and sales and marketing, and we may not have enough resources to make such investments.

 It is very difficult for new aerostructures suppliers to compete against incumbent suppliers for work under an existing contract, because the OEM and the supplier typically spend significant amounts of time and capital on design, manufacture, testing, and certification of tooling and other equipment. A supplier change would require further testing and certification and the expensive movement of existing tooling or the development of new tooling, and would likely result in production delays and additional costs to both the OEM and the new supplier. These high switching costs make it more difficult for us to bid competitively against existing suppliers and less likely that an OEM will be willing to switch suppliers during the life of an aircraft program, which could materially adversely affect our ability to obtain new work on existing aircraft programs.

 Prolonged periods of inflation where we do not have adequate inflation protections in our customer contracts have had, and could continue to have, a material adverse effect on our results of operations.

 A majority of our sales are conducted pursuant to long-term contracts that set fixed unit prices and may include specific periods when prices are renegotiated. Certain, but not all, of these contracts provide for price adjustments for inflation or abnormal escalation. Although we have attempted to minimize the effect of inflation on our business through contractual protections, as a result of the presence of longer pricing periods within our contracts, we have been, and will in the future be,

 impacted by sustained or higher than anticipated increases in costs of labor or material. Prolonged global inflationary pressures have impacted energy, freight, raw material and other costs in addition to increased interest costs and labor costs. As described above, in certain situations, we have the ability to recover certain abnormal inflationary impacts through our contractual agreements with our customers. However, in most instances we must fully absorb cost overruns, and we anticipate that we will experience reduced levels of profitability related to inflationary impacts until such time as the rate of inflation subsides to normal historical levels. Furthermore, the price of certain raw materials on which we are dependent (e.g., aluminum, titanium, or composite material) have had, and could continue to have isolated price increases without inflationary impacts on the broader economy, where we are not entitled to inflation protection under certain of our contracts. Substantial cost increases have had, and could continue to have, a material adverse effect on our results of operations.

 Our commercial business is cyclical and sensitive to commercial airlines' profitability.

 Our customers' business, and therefore our own, is directly affected by the financial condition of commercial airlines and other economic factors, including global economic conditions and geopolitical considerations that affect the demand for air transportation. Specifically, our commercial business is dependent on the demand from passenger airlines and cargo carriers for the production of new aircraft. Accordingly, demand for our commercial products is tied to the worldwide airline industry's ability to finance the purchase of new aircraft and the industry's forecasted demand for seats, flights, routes, and cargo capacity. Availability of financing to non-U.S. customers depends in part on the continued operations of the U.S. Export-Import Bank. The level of interest rates, which have fluctuated significantly in the past and are likely to fluctuate in the future, also could have an adverse effect on the ability of the airline industry to finance the purchase of new aircraft. Additionally, the size and age of the worldwide commercial aircraft fleet affects the demand for new aircraft and, consequently, for our products. Such factors, in conjunction with evolving economic conditions, cause the market in which we operate to be cyclical to varying degrees, thereby affecting our business and operating results.

 Our business and results of operations have been, and could in the future be, adversely impacted, possibly materially, by pandemics and other public health emergencies, or the fear thereof.

 Pandemics, including the COVID-19 pandemic, and other public health emergencies, or the fear thereof, have in the past negatively affected, and may in the future negatively affect, our business and results of operations. Factors that have in the past impacted, and may in the future impact, our business and results of operations include: the severity, extent, and duration of the pandemic or public health emergency and its impact on the aircraft industry and aviation demand; any production suspensions or reductions relating to the pandemic or public health emergency; the effectiveness of vaccines and treatments; government health and protection policies, including travel restrictions and bans, bans on public gatherings, and closures of non-essential businesses; vaccination requirements, including any potential impacts on our ability to retain and recruit the workforce required to meet production requirements; economic stimulus efforts; economic recessions; any inability of significant portions of our workforce to work effectively, including because of illness, remote work, quarantines, social distancing, government actions or other restrictions; potential lawsuits or regulatory actions due to spread of the pandemic or other public health emergency in the workplace; our ability to maintain our compliance practices and procedures, financial reporting processes and related controls, and to manage any complex accounting issues; any impacts on our vendors and outsourced business processes and their process and controls documentation; potential failure or reduced capacity of third parties on which the Company relies, including suppliers, lenders, and other business partners, to meet the Company's obligations and needs; the impact on our contracts with our customers and suppliers, including force majeure provisions; the impact on the financial markets, including volatility in the financial markets; the availability and cost of credit to the Company; supply chain disruptions; and increased costs for transportation and raw materials.

 Our business and results of operations could be adversely affected by disruptions in the global economy caused by Russia's invasion of Ukraine and the conflict in the Middle East and related sanctions and other developments.

 The war between Russia and Ukraine has negatively affected, and the war as well as the conflict in the Middle East may in the future negatively affect, the global economy. Governments around the world have imposed economic sanctions and export controls on certain industry sectors and parties in Russia and other jurisdictions, and Russia has responded with its own restrictions against investors and countries outside Russia and adopted additional measures aimed at non-Russia owned businesses. The war in the Middle East may also result in sanctions being imposed in response to the conflict, including trade and transport restrictions. Businesses in the U.S. and globally have experienced shortages in materials and increased costs for transportation, energy and raw materials due in part to the negative effects of the war in Ukraine on the global economy. The war between Russia and Ukraine, the conflict in the Middle East and other hostilities have resulted in, and could continue to result in, among other things, supply chain disruptions (including accelerated changes to alternate sourcing of certain raw materials, which has resulted in increased costs), further increased risk of cyber-attacks, higher inflation and market volatility. For example, continuation or expansion of the Middle East conflict could impact certain of our suppliers' ability to continue

 production or make timely deliveries of supplies required for us to produce and timely deliver our products. The extent and duration of these conflicts, sanctions and resulting market disruptions are impossible to predict, and our business and results of operations could be materially adversely affected.

 Risks Related to Our Operations

 Our business depends on our ability to maintain a healthy supply chain, meet production rate requirements, and timely deliver products that meet or exceed stringent quality standards.

 Our business depends on our ability to maintain a healthy supply chain, achieve planned production rate targets, and meet or exceed stringent delivery, performance and reliability standards. The supply chain for large commercial aerostructures is complex and involves hundreds of suppliers and their employees from all over the world. Certain parts of our supply chain have experienced, and may continue to experience, various challenges, including inflationary pressures, financial difficulties and challenges related to hiring and retaining a skilled workforce.

 In addition, operational issues, including delays or defects in supplier components, have resulted and could continue to result in significant out-of-sequence work and increased production costs, as well as delayed deliveries to customers. Our suppliers' failure to provide parts that meet our technical specifications has adversely affected and could continue to adversely affect production schedules and contract profitability. We have not always been able to find and in the future we may not be able to find acceptable alternatives, and any such alternatives in some cases have resulted and could continue to result in increased costs for us and forward losses on certain contracts. Even if acceptable alternatives are found, the process of locating and securing such alternatives has been and may continue to be disruptive to our business, including our ability to execute any factory recovery plans, and might lead to termination of our supply agreements with our customers.

 Our suppliers continue to encounter financial difficulty due to the pandemic and residual effects of the B737 MAX grounding. Absent financial support, suppliers may not be able to meet commitments under their agreements with us. In the past our suppliers have, and they could in the future, fail to supply critical parts individually or in the aggregate and if we are not able to secure timely and adequate replacements, we may breach our obligations to our customers. As a result of a breach, customers generally may terminate their agreements or proceed against us for damages and our business, financial condition, results of operations and cash flows could be materially adversely impacted.

 Additionally, the Company's ability to meet production rate increases is dependent upon several factors, including expansion and alignment of its production facilities, tooling, and equipment; improved efficiencies in its production line; on-time delivery of component parts from the Company's suppliers; adequate supply and costs of skilled labor; and implementation of customer customizations upon demand. From time-to-time the Company has experienced, and may continue to experience, quality or delivery timing disruptions. This includes common carrier disruptions and other disruptions that affect manufacturing lines, any of which could have a material adverse impact on the Company's ability to meet commitments to its customers and on its future financial results.

 In some cases, in order to meet these increases in production rates, we have made and will need to make in the future significant capital expenditures to expand our capacity and improve our performance or find alternative solutions such as outsourcing some of our existing work to free up additional capacity. While some of these expenditures will be reimbursed by our customers, we could be required to bear a significant portion of the costs. For example, in October 2023, we entered into a memorandum of agreement with Boeing that, among other things, provides funding for tooling and capital through 2025. However, we cannot assure you that we will always be able to reach similar agreements, and costs not reimbursed by such agreements could be significant. In addition, the increases in production rates could cause disruptions in our manufacturing lines, which could materially adversely impact our ability to meet our commitments to our customers and have a resulting adverse effect on our financial condition and results of operations.

 Our operations depend on our ability to maintain continuing, uninterrupted production at our manufacturing facilities and our suppliers' facilities.

 Our manufacturing facilities or our suppliers' manufacturing facilities could be damaged or disrupted by, among other things, a natural disaster, war, terrorist activity, interruption of utilities, public health crises (such as the COVID-19 pandemic) or sustained mechanical failure. Although we have obtained property damage and business interruption insurance where we deem appropriate, a sustained mechanical failure of a key piece of equipment, major catastrophe (such as a fire, flood, tornado, hurricane, major snow storm, or other natural disaster), war, or terrorist activities in any of the areas where we or our suppliers conduct operations could result in a prolonged interruption of all or a substantial portion of our business. Any disruption resulting from these events could cause significant delays in shipments of products and the loss of sales and customers. We may

 not have insurance to adequately compensate us for any of these events. A large portion of our operations takes place at one facility in Wichita, Kansas, and any significant damage or disruption to this facility in particular would materially adversely affect our ability to service our customers. Additionally, while any insurance proceeds may cover certain business interruption expenses, certain deductibles and limitations will apply and no assurance can be made that all recovery costs will be covered. See also "Increases in labor costs, potential labor disputes, and work stoppages at our facilities or the facilities of our suppliers or customers have impacted, and could materially adversely affect, our financial performance."

 Interruptions in deliveries of or increased prices for components or raw materials used in our products have materially adversely impacted, and could continue to materially adversely impact, production and our business.

 We are highly dependent on the availability of essential materials and purchased components from our suppliers, some of which are available only from a sole source or limited sources. Our dependency upon regular deliveries from particular suppliers of components and raw materials means that interruptions or stoppages in such deliveries could materially adversely affect our operations until arrangements with alternate suppliers, to the extent alternate suppliers exist, could be made. If any of our suppliers were unable or were to refuse to deliver materials to us for an extended period of time, or if we were unable to negotiate acceptable terms for the supply of materials with these or alternative suppliers, our business could suffer and be materially affected.

 Our continued supply of materials is subject to a number of risks including:

 • the destruction of or damage to our suppliers' equipment, facilities or their distribution infrastructure;
 • global economic conditions, embargoes, force majeure events, domestic or international acts of hostility, terrorism, war, pandemic, or other events impacting our suppliers' ability to perform;
 • a work stoppage or strike by our suppliers' employees;
 • the failure of our suppliers to provide materials of the requisite quality or in compliance with specifications;
 • the failure of our suppliers to satisfy U.S. and international import and export control laws;
 • the failure of our suppliers to meet regulatory standards;
 • the failure, shortage, or delay in the delivery of raw materials to our suppliers;
 • imposition of tariffs and similar import limitations on us or our suppliers; and
 • contractual amendments and disputes with our suppliers.

 In addition, our profitability is affected by the prices of the components and raw materials, such as titanium, aluminum, steel, and carbon fiber, used in the manufacturing of our products. These prices fluctuate based on factors beyond our control, including inflation, world oil prices, changes in supply and demand, general economic conditions, labor costs, competition, import duties, tariffs, the availability and cost of freight, the availability and cost of utilities, currency exchange rates, hostilities in jurisdictions that affect raw materials and, in some cases, government regulation, and we do not use derivative commodity instruments to hedge our exposure to changes in the price of raw materials. Although our supply agreements with Boeing and Airbus allow us to pass on to our customers certain unusual increases in component and raw material costs in limited situations, in certain cases we have not been, and may in the future not be, fully compensated by the customers for the entirety of any such increased costs.

 Cyber-attacks, network security breaches, service interruptions, data corruption or misuse or Privacy Regulation (defined below) violations pose significant risks to our business and operations.

 We and our customers, suppliers, and other third parties with which we work rely on information technology networks and systems to manage and support a variety of business activities, including procurement and supply chain, engineering support, and manufacturing. These networks and systems, some of which are managed by third-parties, are susceptible to damage, disruptions, or shutdowns due to failures during the process of upgrading or replacing software, databases or components thereof, power outages, hardware failures, computer viruses, attacks by computer hackers or insiders, telecommunication failures, user errors, or catastrophic events. If these networks and systems suffer severe damage, disruption, or shutdown and our or third parties' business continuity plans do not effectively resolve the issues in a timely manner, our manufacturing process could be disrupted, resulting in late deliveries or even no deliveries if there is a total shutdown. This could have a material adverse effect on our reputation and we could face financial losses.

 Further, we have experienced cyber-attacks, and routinely experience cyber security threats and attempts to gain access to sensitive information, as do our customers, suppliers, and other third parties with which we work. We have established threat detection, monitoring, and mitigation processes and procedures and are continually exploring ways to improve these processes and procedures. However, the scope and impact of any future incident cannot be predicted and we cannot provide assurance that these processes and procedures will be sufficient to prevent cyber security threats from materializing. Although we have

 not been materially impacted to date by a cyber security incident, we could experience significant operational impacts, financial or information losses and/or reputational harm in the future. Given the increasing complexity and sophistication of the tools and techniques used by threat actors, cyber-attacks can occur and persist for an extended period of time before being detected, and we may not be able to anticipate these acts or respond timely. The extent of a particular cyber incident and the steps that we may need to take to investigate the incident may not be immediately clear, and it can take a significant amount of time before an investigation of the incident can be completed and full and reliable information about the incident is known, if ever. While an investigation is ongoing, we may not know the extent of the harm caused by a cybersecurity incident or how best to remediate any harm. Moreover, new regulations may require us to disclose information about a material cybersecurity incident before it has been resolved or fully investigated. In addition, as threats continue to evolve and increase, and as the regulatory environment related to information security, data collection and use, and privacy has become and continues to become more rigorous, we have been required, and expect to continue to need to, make investments to enhance our detection, monitoring, and mitigation processes and procedures, which could adversely impact our results of operations.

 If we are unable to protect sensitive or confidential information from cybersecurity threats and attacks, our customers or governmental authorities could question the adequacy of our threat mitigation and detection processes and procedures and, as a result, our present and future business could be negatively impacted. Data privacy regulations, including but not limited to the General Data Protection Regulation (EU), Data Protection Act 2018 (UK), Law No. 09-08 (Morocco), and Personal Data Protection Act 2010 (Malaysia) (collectively, "Privacy Regulations"), impose a range of compliance obligations applicable to the collection, use, retention, security, processing, and transfer of personally identifiable information. Various U.S. states and other governmental authorities around the world have imposed or are considering similar types of laws and regulations, data breach reporting and penalties for non-compliance and increasing security requirements. These laws and regulations are broad in scope and are subject to evolving interpretation and we have in the past been, and in the future could be, required to incur substantial costs to monitor compliance or to alter our practices. Moreover, these new laws and regulations could diverge and conflict with each other in certain respects. As new privacy-related laws and regulations are implemented, the time and resources needed for us to comply with such laws and regulations, as well as our potential liability for non-compliance and reporting obligations in the case of data breaches, has increased and may further increase. Violations of the Privacy Regulations may result in significant fines and sanctions. Any failure, or perceived failure, to comply with the Privacy Regulations, or any other privacy, data protection, information security, or consumer protection-related privacy laws and regulations, by us or our third parties with whom we are associated could result in financial losses and have an adverse effect on our reputation.

 Our success depends in part on the success of our research and development initiatives.

 In order for us to remain competitive, we have expended and will need to continue to expend significant capital to research and develop technologies, purchase new equipment and machines, and train our employees in the new methods of production and service. Our expenditures on our research and development efforts may not create any new sales opportunities or increases in productivity that are commensurate with the level of resources invested.

 We are in the process of developing specific technologies and capabilities in pursuit of new business and in anticipation of customers going forward with new programs. If any such programs do not go forward or are not successful, or if we are unable to generate sufficient new business, we may be unable to recover the costs incurred in anticipation of such programs or business and our profitability and revenues may be materially adversely affected.

 While the Company intends to continue committing financial resources and effort to the development of innovative new technologies, a strain on the Company's liquidity, such as the strain caused by the B737 MAX grounding and COVID-19 impacts, has in the past reduced and may in the future reduce the Company's ability to expend capital to develop such technologies.

 Significant regulatory, operational, and other risks are posed by climate change and the transition to a "low-carbon" economy in response to climate change.

 Increased public awareness and concern over climate change have led to new and proposed legislative and regulatory initiatives internationally, in the U.S. and regionally, and may lead to additional legislation in the future. New or revised laws and regulations, or stricter interpretations of existing laws, in this area could directly and indirectly affect the Company, its customers, or its suppliers by increasing production costs, affecting customer preferences or otherwise impacting operations. Compliance with any new or more stringent laws or regulations, or stricter interpretations of existing laws, could require additional expenditures by the Company and could have an adverse effect on our business, financial condition, and results of operations. While the transition to a "low-carbon" economy may take place over decades, we are also subject to the risk that, over time, the existing products which provide much of our current revenue may be replaced with "lower-carbon" products the Company does not currently manufacture and which may take a significant amount of time for the Company to develop and

 manufacture. In addition, demand for the Company's existing products may decrease as there is no guarantee that the Company will ultimately win substantially similar work content on new aircraft platforms. Additionally, transition to an entirely "low-carbon" portfolio may require material investments by the Company.

 In addition, climate change is impacting the severity and frequency of natural disasters, including tornados, floods and hurricanes, and other severe weather events, which have in the past and could in the future disrupt our operations and adversely affect our business in a particular region or globally, as well as the activities of our suppliers and customers. Any of these events could result in temporary or long-term disruption of our operations, including as a result of physical damage to, or complete or partial closure of, one or more of our facilities, or have an impact on the operations of our suppliers or customers. If we are unable to restart operations quickly at key locations, find alternative suppliers or quickly repair damage, we could be late in delivering, or be unable to deliver, products to our customers, which could result in damage to our reputation, business and prospects, any of which could have an adverse effect on our results of operations and financial condition.

 Existing insurance arrangements may not provide full protection for the costs that may arise from any climate change-related events, and recurring extreme weather events have in the past increased and could in the future continue to increase the cost of insurance or could reduce the availability of insurance. The risks associated with climate change continue to evolve, and we expect that climate change-related risks may increase over time.

 Risks Related to Our Business Strategy

 If we fail to implement our business strategy or if our business strategy is ineffective, our financial performance could be materially and adversely affected, and we may not achieve our financial goals.

 Our financial performance and success depend in large part upon the effectiveness of our business strategy and our ability to implement our business strategy successfully. Implementation of our business strategy will require effective management of our operational, financial and human resources and will place significant demands on those resources. There are risks involved in pursuing our business strategy, including, but not limited to, those relating to:

 • determining which business activities to pursue and prioritize;
 • predicting, or responding to, changes in production schedules;
 • managing our costs and expenses;
 • continued access to capital and credit markets;
 • hiring or retaining the personnel, including the executives and skilled workforce, necessary to manage our strategy effectively;
 • implementing improvements to operational efficiency; and
 • recording material forward losses or changes in estimates.

 In addition to the risks set forth above, effectiveness of and the successful implementation of our business strategy could also be affected by a number of factors beyond our control, such as actions by Boeing and Airbus, increased competition, general economic conditions, government regulation and changes in industry trends. We may decide to alter or discontinue certain aspects of our business strategy at any time. If we are not able to implement our business strategy successfully, our long-term growth and profitability may be adversely affected. Even if we are able to implement some or all of the initiatives of our business strategy successfully, our operating results may not improve and could decline substantially.

 In connection with our business strategy, we continue to evaluate and refine both our short-term and long-term financial objectives, including guidance we provide from time to time regarding our free cash flow targets and revenue targets for our segments. We may fail to achieve our targeted financial results if we are unsuccessful in implementing our strategies, our estimates or assumptions change or for any other reason. Failure to achieve our stated financial goals has negatively impacted, and could in the future further impact, the market price of our common stock and investor confidence in us.

 Our acquisitions, joint ventures, strategic alliances and partnerships expose us to risks, including the risk that we may not be able to successfully integrate these businesses or achieve expected operating synergies.

 As part of our business strategy, we from time-to-time have merged with or acquired businesses and/or formed joint ventures and strategic alliances and may continue to do so in the future. Combining our businesses may be more difficult, costly, or time consuming than expected. In addition, events outside of our control, including changes in regulation and laws as well as economic trends, could adversely affect our ability to realize the expected benefits from an acquisition. The success of our acquisitions will depend on, among other things, our ability to realize the anticipated benefits and cost savings from combining our and the acquired businesses in a manner that facilitates growth opportunities and realizes anticipated synergies

 and cost savings. The anticipated benefits and cost savings from acquisitions, as well as from joint ventures, strategic alliances and partnerships, may not be realized fully or at all, or may take longer to realize than expected or could have other adverse effects that we do not currently foresee. Further, the integration of acquired companies and managing relationships with joint venture partners involve a number of risks, including, but not limited to the diversion of management's attention to the integration or oversight of operations, difficulties in the assimilation or cooperation of different cultures and practices, reliance on sellers under transition services agreements or partners under joint venture or alliance agreements, as well as in the assimilation of geographically dispersed operations and personnel, difficulties in the integration of departments, systems (including accounting, production, IT, and other critical systems), technologies, books and records and procedures, as well as in maintaining uniform standards, controls (including internal accounting controls), procedures, and policies and compliance with the Foreign Corrupt Practices Act, the U.K. Bribery Act and other applicable anti-bribery laws.

 We face risks as we work to successfully execute on new or maturing programs.

 New or maturing programs with new technologies typically carry risks associated with design responsibility, development of new production tools, hiring and training of qualified personnel, increased capital and funding commitments, ability to meet customer specifications, delivery schedules, unique contractual requirements, supplier performance, ability of the customer to meet its contractual obligations to us, and our ability to accurately estimate costs associated with such programs. In addition, any new or maturing aircraft program may not generate sufficient demand or may experience technological problems or significant delays in the regulatory certification or manufacturing and delivery schedule. If we were unable to perform our obligations under new or maturing programs to a customer's satisfaction or manufacture products at our estimated costs, if we were unable to successfully perform under revised design and manufacturing plans or successfully resolve claims and assertions, or if a new or maturing program in which we had made a significant investment were to be terminated or experienced weak demand, delays or technological problems, our business, financial condition, and results of operations could be materially adversely affected. Some of these risks have affected our maturing programs to the extent that we have recorded significant forward losses and maintain certain of our maturing programs at zero or low margins due to our inability to overcome the effects of these risks, which have been greatly exacerbated, and may continue to be impacted, by significantly reduced production volumes, either now or in the future. We continue to face similar risks as well as the potential for default, quality problems, or inability to meet weight requirements and these could result in continued zero or low margins or additional forward losses, and the risk of having to write-off additional inventory if it were deemed to be unrecoverable over the life of the program. In addition, beginning new work on existing programs also carries risks associated with the transfer of technology, knowledge, and tooling.

 In order to perform on new or maturing programs we may be required to construct or acquire new facilities requiring additional up-front investment costs. In the case of significant program delays and/or program cancellations, we could be required to bear certain unrecoverable construction and maintenance costs and incur potential impairment charges for the new facilities. Also, we may need to expend additional resources to determine an alternate revenue-generating use for the facilities. Likewise, significant delays in the construction or acquisition of a plant site could impact production schedules.

 Risks Related to Legal and Regulatory Matters

 The outcome of legal proceedings and government inquiries and investigations involving our business is unpredictable, and an adverse decision in any such matter could have a material effect on our financial position and results of operations.

 We are involved in a number of legal proceedings including the proceedings disclosed in Note 23 to the Consolidated Financial Statements, Commitments, Contingencies and Guarantees. These claims may divert financial and management resources that would otherwise be used to benefit our operations. No assurances can be given that the results of these matters will be favorable to us. An adverse resolution of any of these lawsuits could have a material impact on our financial position and results of operations. In addition, we are sometimes subject to government inquiries and investigations of our business due, among other things, to the heavily regulated nature of our industry and our participation in government programs. Any such inquiry or investigation could potentially result in an adverse ruling against us, which could have a material impact on our financial position and operating results. If we are unsuccessful in any action, we may be required to pay a significant amount of monetary damages that may be in excess of our insurance coverage.

 We do not own most of the program specific intellectual property and tooling used in our business.

 Our business depends on using certain intellectual property and tooling that we have rights to use under license grants from our customers. If these licenses are terminated due to a default or otherwise, our business may be materially affected. In addition, we license some of the intellectual property needed for performance under some of our supply contracts from our customers under those supply agreements. We must honor our contractual commitments to our customers related to intellectual

 property and comply with infringement laws governing our use of intellectual property. In the event we obtain new business from new or existing customers, we will need to pay particular attention to these contractual commitments and any other restrictions on our use of intellectual property to make sure that we will not be using intellectual property improperly in the performance of such new business. In the event we use any such intellectual property improperly, we could be subject to an infringement or misappropriation claim by the owner or licensee of such intellectual property.

 In the future, our entry into new markets may be facilitated by obtaining additional license grants from our customers. If we are unable to negotiate additional license rights on acceptable terms (or at all) from these customers, our ability to enter new markets may be restricted.

 Our business could be materially adversely affected by product warranty obligations or defective product claims.

 We are exposed to liabilities that are unique to the products and services we provide. Our operations expose us from time to time to rework obligations, liabilities for warranty or other claims with respect to aircraft components that have been designed, manufactured, or serviced by us or our suppliers. We maintain insurance for certain risks, but the amount of our insurance coverage may not cover all claims or liabilities and we may be forced to bear substantial costs. Material obligations in excess of our insurance coverage (or other third-party indemnification) could have a material adverse effect on our business, financial condition, and results of operations.

 For example, in April 2023, we issued a notice of escapement to Boeing related to a quality issue on the B737 Vertical Fin Attach Fitting, which impacted production costs, including the impact of factory disruption. Although this issue was resolved as a result of the memorandum of agreement with Boeing entered into on October 12, 2023 (the "2023 MOA") as to quality issues with our products, it can be difficult or impossible to estimate total costs relating to such issues as a result of the uncertainty regarding, among other things, the total number of affected units, the methods of acceptable repair, the total amount of time required to complete any repairs, and at what point in time and what manner repairs would be completed. Quality issues with our products have resulted, and could in the future result, in negative publicity and have in the past had, and could in the future have, material adverse impacts on our production costs (including as a result of factory disruption), our reputation, our stock price and/or our business, financial condition and results of operations. In addition, from time to time, we make changes to our build processes in light of quality issues. These changes to our processes can require significant investment and we cannot guarantee that the changes will be successful and that any quality issues will be resolved. If our products are found to be defective and lacking in quality, or if one of our products causes an accident, our reputation could be damaged and our ability to retain and attract customers could be materially adversely affected.

 The profitability of certain programs depends significantly on the assumptions surrounding satisfactory settlement of customer claims and assertions.

 For certain of our programs, we regularly commence work or incorporate customer requested changes prior to negotiating pricing terms for engineering work or the product that has been modified. We typically have the contractual right to negotiate pricing for customer directed changes. In those cases, although we assert to our customers our contractual rights to obtain the additional revenue or cost reimbursement we expect to receive upon finalizing pricing terms, we cannot guarantee that will always be successful in doing so. An expected recovery value of these assertions is incorporated into our contract profitability estimates. Our inability to recover these expected values, among other factors, has resulted, and could continue to result, in the recognition of significant forward loss on certain programs and has had, and could continue to have, a material adverse effect on our results of operations.

 Risks Related to Our Governmental and Global Activities

 Our global footprint subjects us to the risks of doing business in foreign countries.

 We have activities and operations globally (through wholly owned indirect or direct subsidiaries and joint ventures), including in the United Kingdom, France, Malaysia, Morocco, China and Taiwan. In addition, we derive a significant portion of our revenues from sales by Boeing and Airbus to customers outside the U.S and, for the twelve months ended December 31, 2024 and December 31, 2023, direct sales to our non-U.S. customers accounted for approximately 24% and 23%, respectively, of our net revenues. We expect that our and our customers' international sales will continue to account for a significant portion of our net revenues for the foreseeable future. As a result, we are subject to risks of doing business internationally, including:

 • changes in regulatory requirements applicable to our industry and business, including without limitation, changes in tariffs (imposed or threatened) on imports, including tariffs imposed in a retaliatory manner on U.S. exports, embargoes, export controls, and other trade restrictions or barriers;
 • changes in the political, economic, legal, tax and social conditions in the countries we do business in;
 • changes in policies and initiatives including with respect to foreign exchange, foreign investment, and government industrial cooperation requirements;
 • the ability to secure clearances, approvals or licenses, including any requirements mandated by the U.S. Commerce Department, to maintain the ability to provide product or services to certain countries or customers;
 • compliance with foreign labor laws, which generally provide for increased notice, severance and consultation requirements compared to U.S. laws; difficulties enforcing intellectual property and contractual rights in certain jurisdictions; the complexity and necessity of using foreign representatives and consultants;
 • uncertainties and restrictions concerning the availability of funding credit or guarantees;
 • potential or actual withdrawal or modification of international trade agreements;
 • modifications to sanctions imposed on other countries; changes to immigration policies that may present risks to companies that rely on foreign employees or contractors;
 • compliance with antitrust and competition regulations;
 • differences in business practices;
 • the difficulty of management and operation of an enterprise spread over various countries;
 • compliance with a variety of foreign laws, as well as U.S. laws affecting the activities of U.S. companies abroad, including the Foreign Corrupt Practices Act, the U.K. Bribery Act and other applicable anti-bribery and sanctions laws; and
 • economic and geopolitical developments and conditions, including domestic or international hostilities (including the wars in Ukraine and the Middle East), acts of terrorism or war and governmental reactions, inflation, trade relationships, and military and political alliances.

 While these factors and the effect of these factors are difficult to predict, adverse developments in one or more of these areas have in the past materially adversely affected, and could in the future materially adversely affect, our business, financial condition, and results of operations in the future.

 Our business is subject to regulation in the U.S. and internationally.

 The manufacturing of our products is subject to numerous federal, state, and foreign governmental regulations including related to environmental, health and safety laws and regulations. The number of laws and regulations that are being enacted or proposed by various governmental bodies and authorities are increasing. Compliance with these regulations is difficult and expensive. If we fail to adhere, or are alleged to have failed to adhere, to any applicable federal, state, or foreign laws or regulations, or if such laws or regulations negatively affect sales of our products, our business, prospects, results of operations, financial condition, or cash flows may be adversely affected by penalties or sanctions or reputational degradation. In addition, our future results could be adversely affected by changes in applicable federal, state, and foreign laws and regulations, or the interpretation or enforcement thereof.

 Our operations involve the use of large amounts of hazardous substances and regulated materials and generate many types of wastes, including emissions of hexavalent chromium and volatile organic compounds, and certain chlorinated and brominated hydrocarbon solvents, greenhouse gases such as carbon dioxide. Spills and releases of these materials may subject us to clean-up liability for remediation and claims of alleged personal injury, property damage, and damage to natural resources, and we may become obligated to reduce our emissions of hexavalent chromium, volatile organic compounds and/or greenhouse gases. We cannot give any assurance that the aggregate amount of future remediation costs and other environmental liabilities will not be material.

 The Company's chemical milling and vapor degreasing processes use various regulated substances that are identified as TSCA (Toxic Substances Control Act) initial chemicals evaluated in risk assessments prescribed by the Lautenburg Chemical Safety Act in the U.S., and therefore may be subject to additional regulations in the near future. The Company is investigating the use of alternative solvents and processes, including control technologies which may require material expenditures, however this business will remain dependent on the availability, use and cost of these materials for the immediate future. To the extent these alternative solutions are not viable, or any enacted regulation does not provide an exception, there could be material capital expenditures required to comply with elimination of the chemicals used in our current processes.

 In connection with prior acquisitions, we may be indemnified or insured, subject to certain contractual limitations and conditions, for certain clean-up costs and other losses, liabilities, expenses, and claims related to existing environmental

 conditions on the acquired properties. If indemnification or insurance is not sufficient to cover any potential environmental liability, we may be required to make material expenditures.

 In the future, contamination may be discovered at or emanating from our facilities or at off-site locations where we send waste. The remediation of such newly discovered contamination, related claims for personal injury or damages, or the enactment of new laws or a stricter interpretation of existing laws, may require us to make additional expenditures, some of which could be material. See Item 1. "Business - Regulatory Matters."

 As a manufacturer and exporter of defense and dual-use technical data and commodities, we are subject to U.S. laws and regulations governing international trade and exports, including, but not limited to, the International Traffic in Arms Regulations, administered by the U.S. Department of State, and the Export Administration Regulations, administered by the U.S. Department of Commerce. Collaborative agreements that we may have with foreign persons, including manufacturers and suppliers, are also subject to U.S. export control laws. In addition, we are subject to trade sanctions against embargoed countries, which are administered by the Office of Foreign Assets Control within the U.S. Department of the Treasury. A determination that we have failed to comply with one or more of these export controls or trade sanctions could result in civil or criminal penalties, including the imposition of fines upon us as well as the denial of export privileges and debarment from participation in U.S. government contracts. Additionally, restrictions may be placed on the export of technical data and goods in the future as a result of changing geopolitical conditions. Any one or more of such sanctions could have a material adverse effect on our business, financial condition, and results of operations.

 The U.S. Government is a significant customer of certain of our customers, and we and they are subject to specific U.S. Government contracting rules and regulations.

 We provide aerostructures to defense aircraft manufacturers. Our defense customers' businesses, and by extension, our business, is affected by the U.S. Government's continued commitment to programs under contract with our customers. Contracts with the U.S. Government generally permit the government to terminate contracts partially or completely, with or without cause, at any time. An unexpected termination of a significant government contract, a reduction in expenditures by the U.S. Government for aircraft using our products, lower margins resulting from increasingly competitive procurement policies, a reduction in the volume of contracts awarded to us, or substantial cost overruns could materially reduce our cash flow and results of operations. We bear the potential risk that the U.S. Government may unilaterally suspend our defense customers or us from new contracts pending the resolution of alleged violations of procurement laws or regulations.

 Decline in the U.S. defense budget or change of defense strategies or funding priorities (as a result of political environment, macroeconomic conditions and the ability of the U.S. Government to enact legislation or otherwise) may reduce demand for our defense customers' aircraft or lead to competitive procurement conditions, which may reduce our defense business sales or margins. Further, changes in U.S. Government procurement policies, regulations, initiatives and requirements may adversely impact our ability to grow our defense business.

 The Federal Aviation Administration prescribes standards and qualification requirements for aerostructures, including virtually all commercial airline and general aviation products, and licenses component repair stations within the U.S. Comparable agencies, such as the European Aviation Safety Agency in Europe, regulate these matters in other countries. If we fail to qualify for or obtain a required license for one of our products or services or lose a qualification or license previously granted, the sale of the subject product or service would be prohibited by law until such license is obtained or renewed and our business, financial condition, and results of operations could be materially adversely affected. In addition, designing new products to meet existing regulatory requirements and retrofitting installed products to comply with new regulatory requirements can be expensive and time consuming.

 A facility securities clearance ("FCL") is required for a company to be awarded and perform on classified contracts for the Department of Defense ("DOD") and certain other agencies of the U.S. Government. If we were to violate the terms and requirements of the National Industrial Security Program Operating Manual or any other applicable U.S. Government industrial security regulations, we could lose our FCLs. We cannot give any assurance that we will be able to maintain our FCLs. If for some reason our FCLs are invalidated or terminated, we may not be able to continue to perform under our classified contracts in effect at that time, and we would not be able to enter into new classified contracts, which could adversely affect our revenues.

 Under applicable federal regulations for defense contractors, we are required to comply with the Cybersecurity Maturity Model Certification ("CMMC") program in the next several years and other similar cybersecurity requirements. Compliance with the CMMC is costly and complex. To the extent that we are unable to comply with the CMMC or other requirements, we may be unable to maintain or grow our business with the DOD or its prime customers.

 Risks Related to Employment Matters

 In order to be successful, we must attract, retain, train, motivate, develop and transition key employees, and failure to do so could harm our business.

 In order to be successful, we must attract, retain, train, motivate, develop, and transition qualified executives and other key employees, including those in managerial, manufacturing, and engineering positions. Competition for experienced employees in the aerospace industry, and particularly in Wichita, Kansas, where the majority of our manufacturing and executive offices are located, is intense. Our ability to attract and retain qualified executives and other key employees depends on a number of factors, including prevailing market conditions and compensation packages offered by companies competing for the same talent. The location of our offices, particularly our headquarters in Wichita, Kansas, and our remote working arrangements may not meet the needs or expectations of our employees, including senior management or other key employees, or may not be viewed as competitive, which could negatively impact our ability to attract and retain highly skilled employees.

 The failure to successfully hire executives and key employees or to implement succession plans for executives and key employees, or the loss of any executives and key employees, could have a significant impact on our operations. Further, changes in our management team may be disruptive to our business and any failure to successfully transition and assimilate key new hires or promoted employees could adversely affect our business and results of operations. In particular, we have to incur costs to replace executives or other key employees who leave, and our ability to execute our business strategy could be impaired if we are unable to replace such persons in a timely manner or at all.

 In addition, the Company's operations and strategy require that we employ a critical mass of highly skilled employees with industry experience and engineering, technical, or mechanical skills. As the Company experiences an increase in retirements, the level of skill replacing our experienced workers is being impacted due to the availability of skilled labor in the market and low unemployment rates. As the Company has expanded its defense business, the Company faces risks related to its ability to hire and retain individuals who have, are able to obtain, a security clearance. Our inability to attract and retain skilled employees may adversely impact our ability to meet our customers' expectations, the cost and schedule of development projects, and the cost and efficiency of existing operations.

 Increases in labor costs, potential labor disputes, and work stoppages at our facilities or the facilities of our suppliers or customers have impacted, and could materially adversely affect, our financial performance.

 Our financial performance is affected by the availability of qualified personnel and the cost of labor. A majority of our workforce is represented by unions. If we were unable to renew major labor agreements at expiration, or if our workers were to engage in a strike, work stoppage, or other slowdown, we could experience a significant disruption of our operations, which could cause us to be unable to deliver products to our customers on a timely basis and could result in a breach of our supply agreements. This could result in a loss of business and an increase in our operating expenses, which could have a material adverse effect on our business, financial condition, and results of operations. For example, on June 21, 2023, employees represented by the International Association of Machinists and Aerospace Workers ("IAM") voted to reject the Company's contract offer and strike. In response, the Company suspended its Wichita operations and IAM represented employees began to strike following the expiration of the contract on June 24, 2023. Although a new contract was ratified soon thereafter, the impacts of the strike related production stoppage negatively impacted revenue earnings and cash flow. Any future strike or similar disruption could have similar adverse impacts. In addition, our non-unionized labor force may become subject to labor union organizing efforts, which could cause us to incur additional labor costs and increase the related risks that we now face.

 Due to the receipt of occasional government incentives, we have certain commitments to keep our programs in their current locations. This may prevent us from being able to offer our products at prices that are competitive in the marketplace and could have a material adverse effect on our ability to generate new business.

 In addition, many aircraft manufacturers, airlines, and aerospace suppliers, including certain of our customers, have unionized work forces. Any strikes, work stoppages, or slowdowns experienced by aircraft manufacturers, airlines, or aerospace suppliers has and could in the future reduce our customers' demand for additional aircraft structures or prevent us from completing production of our aircraft structures. Union negotiations, strikes, work stoppages, or slowdowns at our customers has and could in the future also directly or indirectly impact our business. For example, on September 12, 2024, machinists at Boeing represented by the International Association of Machinists and Aerospace Workers voted to strike after rejecting a contract offer from Boeing. The machinists commenced a strike on September 13, 2024, that was resolved on November 4, 2024, when the machinists voted to approve a new contract. On October 18, 2024, we announced a 21-day furlough, effective October 27, 2024, for approximately 700 employees working on the B767 and B777 programs in response to the strike by

 Boeing employees, as the Company had reached maximum storage capacity on the B767 and B777 programs. Even as the strike has ended, we may need to implement further cost saving measures, including layoffs or additional furloughs.

 We could be required to make future contributions to our defined benefit pension and post-retirement benefit plans and our costs may substantially increase in connection with such plans as a result of adverse changes in interest rates and the capital markets, changes in actuarial assumptions and legislative or other regulatory actions.

 Our estimates of liabilities and expenses for pensions and other post-retirement benefits incorporate significant assumptions including the rate used to discount the future estimated liability, the long-term rate of return on plan assets, and several assumptions relating to the employee workforce (salary increases, medical costs, retirement age, and mortality). A dramatic decrease in the fair value of our plan assets resulting from movements in the financial markets or a decrease in discount rates may cause the status of our plans to go from an over-funded status to an under-funded status and result in cash funding requirements to meet any minimum required funding levels. Our results of operations, liquidity, or shareholders' equity in a particular period could be affected by a decline in the rate of return on plan assets, the rate used to discount the future estimated liability, or changes in employee workforce assumptions.

 In 2020, we acquired the outstanding equity of Short Brothers plc ("Shorts") and Bombardier Aerospace North Africa SAS ("BANA"), and substantially all the assets of the maintenance, repair and overhaul business in Dallas, Texas, along with the assumption of certain liabilities of Shorts and BANA. Shorts sponsors the Shorts Pension, a defined benefit pension plan that is closed to new participants. The Shorts Pension closed to the future accrual of additional benefits for current participants at the end of 2021.

 Following future valuations of the Shorts Pension's assets and liabilities or following future discussions with the Shorts Pension's trustee, the annual funding obligation and/or the arrangements to ensure adequate funding for the Shorts Pension may change. The future valuations under the Shorts Pension are affected by a number of assumptions and factors, including legislative or other regulatory changes; assumptions regarding interest rates, currency rates, inflation, mortality, and retirement rates; the investment strategy and performance of the Shorts Pension's assets; and actions by the U.K. Pensions Regulator. Recent volatile economic conditions have increased the risk that the funding requirements increase following the next triennial valuation. The U.K. Pensions Regulator also has powers under the Pensions Act 2004 to impose a contribution notice or a financial support direction on Shorts (and other persons connected with the Company or Shorts) if, in the case of a contribution notice, the U.K. Pensions Regulator reasonably believes such person has been party to an act, or deliberate failure to act, intended to avoid pension liabilities or that is materially detrimental to the pension plan, or, in the case of a financial support direction, if a plan employer is a service company or insufficiently resourced and the Pensions Regulator considers it is reasonable to act against such a person. A significant increase in the funding requirements for Shorts Pension could result in the imposition of additional financial contributions to the Shorts Pension and, if such required contributions are significant, could have a material adverse effect on Shorts or our business, financial condition, and results of operations.

 Risks Related to our Debt, Liquidity, Financial Estimates and Taxes

 We have incurred significant operating losses in the last few years and have identified conditions or events that raise substantial doubt about our ability to continue as a going concern.

 As described more fully in Note 2, Basis of Presentation, of the Consolidated Financial Statements included herein, since 2020, the Company has incurred significant operating losses. In particular, the Company has incurred net losses of $2,139.8 million, $616.2 million, $545.7 million, and $540.8 million, for the years ended December 31, 2024, 2023, 2022, and 2021, respectively.

 The Company's liquidity has been impacted by, among other things, higher levels of inventory and contract assets, lower operational cash flows due to a decrease in expected deliveries to Boeing, higher factory costs to maintain rate readiness, Boeing no longer allowing for traveled work on the B737 fuselage to its factories, the strike by Boeing employees, and the limitations on Boeing increasing production rates. On October 18, 2024, the Company announced a 21-day furlough, effective October 28, 2024, for approximately 700 Company employees working on the B767 and B777 programs in response to the strike by Boeing employees, as the Company has reached maximum storage capacity on the B767 and B777 programs.

 As of December 31, 2024, management has developed a plan designed to improve liquidity in response to the developments described above. These plans are dependent on many factors, including, among other things, the outcomes of our active discussions related to the timing or amounts of repayment for certain customer advances and achieving forecasted B737 deliveries. Management also is evaluating additional strategies intended to improve liquidity to support operations, including,

 but not limited to, additional customer advances and restructuring of operations with the aim of increasing efficiency and decreasing expenses, which may include layoffs or additional furloughs.

 There can be no assurance with respect to the outcomes of such discussions or that these plans or strategies will sufficiently improve the Company's liquidity needs to enable continuation of operations for at least the next twelve months. Accordingly, these conditions and events raise substantial doubt about the Company's ability to continue as a going concern.

 The substantial doubt about our ability to continue as a going concern may adversely impact the price of our common stock, our reputation and relationship with investors, employees and third parties with whom we do business, our ability to raise additional capital or refinance existing debt, our ability to comply with certain covenants under our debt agreements or meet other contractual obligations, and our ability to achieve our business objectives, which could materially and adversely impact our business, financial condition and results of operations. In addition, to the extent the Company seeks additional sources of financing, there can be no assurance that such financing would be available to the Company on acceptable terms or at all, and any financing that the Company obtains could entail dilution to stockholders, onerous interest rates or covenants, or other terms that are unfavorable to the Company and the holders of its common stock.

 Declines in our financial condition and performance and reductions in our credit ratings have increased our borrowing costs and adversely affected the market price of our securities. Any additional declines could further impact our borrowing costs, impact the market price of our securities or limit our ability to obtain future financing or otherwise impair our business, financial condition, and results of operations.

 Our business requires significant capital. Declines in our financial condition or performance for any reason have increased our borrowing costs and affected the market price of our securities, and could in the future further increase our borrowing costs, impact the market price of our securities or limit our ability to access the credit and capital markets. There can be no assurance that we will be able to access the capital or credit markets or, if we do have such access, that it will be on favorable terms.

 As of December 31, 2024, our corporate credit ratings were B by Standard & Poor's Global Ratings, and B2 by Moody's Investors Service, Inc. These ratings and our current credit condition affects, among other things, our ability to access new capital. Negative changes to these ratings have in the past resulted in, and may in the future result in, more stringent covenants and higher interest rates under the terms of any new debt.

 The ratings reflect, among other things, the agencies' assessment of our ability to pay interest and principal on our debt securities and credit agreements. A rating is not a recommendation to purchase, sell, or hold securities. Each rating is subject to revision or withdrawal at any time by the assigning rating organization. Each rating agency has its own methodology for assigning ratings and, accordingly, each rating should be considered independently of all other ratings. Lower ratings would typically result in higher interest costs of debt securities when they are sold, could make it more difficult to issue future debt securities, could require us to provide creditors with more restrictive covenants, which would limit our flexibility and ability to pay dividends and may require us to pledge additional collateral under our credit facility. Any downgrade in our credit ratings could have a material adverse effect on our business or financial condition.

 Limitations on our ability to access the capital or credit markets, unfavorable terms or general reductions in liquidity may adversely and materially impact our business, financial condition, and results of operations.

 Our debt could adversely affect our financial condition and our ability to operate our business due to significant restrictions in our Credit Agreement, which could also adversely affect our operating flexibility and put us at a competitive disadvantage.

 As of December 31, 2024, we had total debt of $4,394.2 million. In addition to our debt, as of December 31, 2024, we had $24.9 million of letters of credit and letters of guarantee outstanding.

 Our significant indebtedness could adversely affect our business, results of operations and financial condition in a number of ways by, among other things:

 • making it more difficult for us to satisfy our obligations with respect to our debt;
 • limiting our ability to obtain additional financing to fund future working capital, capital expenditures, strategic acquisitions or other general corporate requirements;
 • requiring a substantial portion of our cash flows to be dedicated to debt service payments instead of other purposes;
 • increasing our vulnerability to general adverse economic and industry conditions;
 • limiting our financial flexibility in planning for and reacting to changes in the industry in which we compete;

 • having a material adverse effect on us if we fail to comply with the covenants in the Credit Agreement or in the indentures governing our long-term bonds or in the instruments governing our other debt; and
 • increasing our cost of borrowing.

 The terms of our Credit Agreement impose significant restrictions on us, and subject to certain exceptions, limit our ability, among other things, to:

 • incur additional debt or issue preferred stock with certain terms;
 • pay dividends or make distributions to our stockholders over certain amounts;
 • repurchase or redeem our capital stock;
 • make investments;
 • incur liens;
 • enter into transactions with our stockholders and affiliates;
 • sell certain assets;
 • acquire the assets of, or merge or consolidate with, other companies;
 • incur restrictions on the ability of our subsidiaries to make distributions or transfer assets to us; and
 • enter into strategic transactions.

 We cannot assure you that we will be able to maintain compliance with the covenants in the agreements governing our indebtedness in the future or, if we fail to do so, that we will be able to obtain waivers from the lenders and/or amend the covenants. Additionally, the terms of any future indebtedness we may incur could include more restrictive covenants. If we incur additional debt, the risks related to our high level of debt could intensify.

 As of December 31, 2024, we had $537.0 in cash and cash equivalents. If we are unable to generate sufficient cash flow to service our debt and meet our other commitments, we may need to refinance all or a portion of our debt, sell material assets or operations, or raise additional debt or equity capital. We cannot provide assurance that we could affect any of these actions on a timely basis, on commercially reasonable terms or at all, or that these actions would be sufficient to meet our capital requirements. In addition, the terms of our existing or future debt agreements may restrict us from effecting certain or any of these alternatives.

 We use estimates in accounting for revenue and cost for our contracts. Changes in our estimates have materially adversely affected, and could in the future materially adversely affect, our financial performance.

 The Company recognizes revenue using the principles of Accounting Standards Codification ("ASC") Topic 606, Revenue from contracts with customers ("ASC 606"), and estimates revenue and cost for contracts that span a period of multiple years. This method of accounting requires judgment on a number of underlying assumptions to develop our estimates such as favorable trends in volume, learning curve efficiencies, and future pricing from suppliers that reduce our production costs. However, several factors may cause the costs we incur in fulfilling these contracts to vary substantially from our original estimates such as technical problems, delivery reductions, materials shortages, supplier difficulties, strikes and production pauses, realization targets, existence and execution of factory recovery plans caused by these factors, and other factors. Other than certain increases in raw material costs that can generally be passed on to our customers, in most instances we must fully absorb cost overruns. Due to the significant length of time over which some revenue streams are generated, the variability of future period estimated revenue and cost may be adversely affected if circumstances or underlying assumptions change. Our estimated costs have exceeded our estimated revenues under fixed-price contracts in the past, and we have been required to recognize a forward loss on the affected programs, which has had a material adverse effect on our results of operations, and this could recur in the future. The risk particularly applies to products such as the B787, B767, A220, and A350, in that our performance at the contracted price depends on our being able to achieve production cost reductions as we gain production efficiencies. We have incurred forward loss charges on these programs, and further production rate changes or claims relating to inspection and rework requests may result in additional incremental forward loss charges.

 Further, some of our long-term supply agreements, such as the Sustaining Agreement and the agreement for the B787 program, provide for the re-negotiation of established pricing terms at specified times in the future. Negotiations have in the past resulted, and could in the future result, in costs that exceed our revenue under a fixed-price contract, or operating margins that are lower than our current margins, and we have in the past and may in the future need to recognize a forward loss on the affected program, which has had and could have a material adverse effect on our results of operations.

 Additionally, variability of future period estimated revenue and cost has resulted, and may in the future result, in recording additional valuation allowances against future deferred tax assets, which could adversely affect our future financial performance.

 We may not be able to generate sufficient taxable income to fully realize our deferred tax assets.

 At December 31, 2024, we have recognized a valuation allowance against nearly all of our net deferred tax assets. Changes that are adverse to the Company could result in the need to record additional deferred tax asset valuation allowances resulting in a charge to results of operations and a decrease to total stockholders' equity.

 Risks Related to our Common Stock

 We cannot assure you that we will declare and pay cash dividends on our Common Stock at historical levels or at all.

 In 2020, the Company announced that its Board of Directors, or Board, reduced its quarterly dividend to a penny per share to preserve liquidity, and in the fourth quarter of 2022, the Board decided to suspend the Company's quarterly cash dividend. We cannot assure you that we will resume declaring and paying cash dividends on our Common Stock at historical levels or at all. The Board regularly evaluates the Company's capital allocation strategy and dividend policy. Any future determination to pay dividends will be at the discretion of our Board and will depend upon, among other factors, our results of operations, financial condition, capital requirements and contractual restrictions, including the requirements of financing agreements to which we may be a party. No assurance can be given that cash dividends will be declared and paid at historical levels or at all.

 Spirit Holdings' certificate of incorporation, by-laws and our supply agreements with Boeing contain provisions that could discourage others from acquiring us and may prevent attempts by our stockholders to replace or remove our current management.

 Provisions of Spirit Holdings' certificate of incorporation and by-laws may discourage, delay, or prevent a merger or acquisition that stockholders may consider favorable, including transactions in which stockholders might otherwise receive a premium for their shares. In addition, these provisions may frustrate or prevent any attempts by our stockholders to replace or remove our current management by making it more difficult for stockholders to replace or remove our current Board. These provisions include:

 • advance notice requirements for nominations for election to the Board or for proposing matters that can be acted on by stockholders at stockholder meetings; and
 • the authority of the Board to issue, without stockholder approval, up to 10 million shares of preferred stock with such terms as the Board may determine.

 In addition, our supply agreements with Boeing include provisions giving Boeing the ability to terminate the agreements in the event any of certain disqualified persons acquire a majority of Spirit's direct or indirect voting power or all or substantially all of Spirit's assets. The 2023 MOA with Boeing provides that Spirit cannot, without incurring significant costs, assign any of its rights or interest in (which includes certain specified change of control events set forth in the 2023 MOA) the supply agreements or an order without Boeing's prior written consent, which will not be unreasonably withheld consistent with existing obligations, except that Boeing may withhold its consent to an assignment to a disqualified person (which includes any person to which Boeing does not consent in its sole discretion) for any reason and at its sole discretion. These provisions in our agreements with Boeing could discourage others from acquiring us and may prevent attempts by our stockholders to replace or remove our current management. Certain other agreements with suppliers or customers contain similar provisions that could also discourage others from acquiring us or prevent attempts to replace or remove our management. See Item 1. "Business - Our Relationship with Boeing."

 Risks Related to the Merger and the Airbus Business Disposition

 We may not be able to negotiate and enter into definitive agreements with Airbus with respect to the Airbus Business Disposition or to complete the disposition of the Spirit Airbus Business.

 Disposition by us of the Spirit Airbus Business is a condition to Boeing's obligation to consummate the Merger. Under the Airbus Term Sheet, Spirit and Airbus have agreed to negotiate in good faith definitive agreements (the "Definitive Agreements"), including a purchase agreement, providing for the acquisition by Airbus or its affiliates of the Spirit Airbus Business on the terms set forth in the Airbus Term Sheet with the goal of permitting Boeing and Holdings to consummate the Merger prior to prior to a specified "Outside Date" (initially, March 31, 2025, subject to extension by three months on up to three occasions under certain circumstances). Execution of the Definitive Agreements is subject to and conditioned upon the completion to the satisfaction of Airbus of its due diligence. If we are able to negotiate and enter into the Definitive

 Agreements, there can be no assurance that we would satisfy the closing conditions in the Definitive Agreements, including receipt of regulatory approvals, or be able to consummate the disposition of the Spirit Airbus Business as contemplated by the Airbus Term Sheet or the Definitive Agreements. If we face difficulty in completing the disposition of the Spirit Airbus Business, we could be unable to satisfy the conditions to the closing under the Merger Agreement in a timely matter or at all.

 Because the market prices of Boeing Common Stock and Holdings Common Stock will fluctuate prior to the consummation of the Merger, Holdings stockholders cannot be sure of the market value of shares of Boeing Common Stock that they will receive in the Merger or the difference between the market value of shares of Boeing Common Stock that they will receive in the Merger and the market value of shares of Holdings Common Stock immediately prior to the Merger.

 At the Effective Time, each share of Holdings Common Stock that is issued and outstanding immediately prior to the Effective Time (other than shares of Holdings Common Stock owned by Holdings, Boeing or any of their respective wholly owned subsidiaries, in each case not held on behalf of third parties) will be automatically cancelled and cease to exist and will be converted into the right to receive a number of shares of Boeing Common Stock equal to (a) if the Boeing Stock Price, is greater than $149.00 but less than $206.94, the quotient obtained by dividing $37.25 by the Boeing Stock Price, rounded to four decimal places, or (b) if the Boeing Stock Price is greater than or equal to $206.94, 0.1800 or (c) if the Boeing Stock Price is equal to or less than $149.00, 0.2500. The respective market prices of both Boeing Common Stock and Holdings Common Stock have fluctuated since the date on which the Merger Agreement was signed and will continue to fluctuate. The market price of Boeing Common Stock, when received by Holdings stockholders after the Merger is completed, could be greater than, less than or the same as the market price of Boeing Common Stock at the time of the special meeting of Holdings stockholders at which Holdings stockholders will vote on a proposal to adopt the Merger Agreement. For that reason, the market price of Boeing Common Stock on the date of the special meeting may not be indicative of the value of the shares of Boeing Common Stock that Holdings stockholders will receive upon completion of the Merger, and, at the time of the special meeting, Holdings stockholders will not know, or be able to determine, the number of shares of Boeing Common Stock that they will receive in the Merger or the market value of shares of Boeing Common Stock that they will receive in the Merger as compared to the market value of Holdings Common Stock immediately prior to the Merger.

 The market prices of Boeing Common Stock and Holdings Common Stock are subject to fluctuations due both to factors affecting market prices for publicly traded equity securities generally and to factors affecting Boeing Common Stock or Holdings Common Stock in particular. Market prices of Boeing Common Stock and Holdings Common Stock have been volatile at times in the past and may be volatile in the future. Neither Boeing nor Holdings is permitted to terminate the Merger Agreement or re-solicit the vote of Holdings stockholders solely because of changes in the market price of Boeing Common Stock or Holdings Common Stock. Stock price changes may result from a variety of factors, including general and industry-specific market and economic conditions and changes in factors specific to each of Holdings' and Boeing's business, operations and prospects; regulatory and legal developments; market assessments of the benefits of the Merger and the likelihood that the Merger will be completed; timing of the Merger and receipt of related regulatory approvals; and other factors beyond our control.

 The Merger is subject to conditions, including certain conditions that are beyond our control and may not be satisfied on a timely basis or at all. Failure to complete the Merger could have material adverse effects on us.

 Completion of the Merger is subject to a number of conditions set forth in the Merger Agreement. Some of the conditions, such as adoption of the Merger Agreement by the affirmative vote of a majority of the outstanding shares of Holdings Common Stock entitled to vote thereon and receipt of certain regulatory approvals, are beyond our control, resulting in uncertainty as to the timing of completion of the Merger and as to whether the Merger will be completed at all. The governmental authorities from which the regulatory approvals are required may impose conditions on the completion of the Merger, require changes to the terms of the Merger Agreement, prevent the consummation of the Merger or make the consummation of the Merger illegal. In addition, the Merger Agreement contains certain termination rights for both Holdings and Boeing that, if exercised, would result in the Merger not being consummated.

 There can be no assurance that the various conditions to completion of the Merger will be satisfied or will not result in the abandonment or delay of the Merger. Any delay in completing the Merger could cause Boeing and Holdings not to realize, or to be delayed in realizing, some or all of the benefits that Boeing and Holdings expect to achieve if the Merger is completed within the time currently expected.

 If the Merger is not completed, the market price of Holdings Common Stock could decline as a result, and our business could be adversely affected, including as a result of the need to pay expenses relating to the uncompleted Merger, such as legal, accounting, printing and financial advisory fees; negative reactions from our employees, customers, suppliers and financing sources, from other persons with whom we have important business relationships and from regulators and credit rating

 agencies; any requirement that we pay a termination fee under the Merger Agreement; and litigation related to any failure to complete the Merger or related to any enforcement proceeding that may be commenced against us to perform our obligations pursuant to the Merger Agreement. If the Merger Agreement is terminated and the Board seeks another business combination, we might not be able to find a party willing to enter into a transaction with terms equivalent to or more attractive than the terms agreed to in the Merger Agreement.

 The Merger is subject to certain regulatory approvals that, if delayed, not granted or granted with burdensome or unacceptable conditions, could delay, impair or prevent consummation of the Merger or result in additional costs or reduce the anticipated benefits of the Merger.

 The completion of the Merger is subject to the expiration or termination of all waiting periods (and any agreed upon extensions of any waiting period or commitment not to consummate the Merger for any period of time) applicable to the completion of the Merger under the HSR Act and the receipt of certain additional regulatory approvals, including clearance or approval by foreign investment authorities in France, the United Kingdom and Canada.

 Regulatory authorities in the United States or other jurisdictions could take action under antitrust or foreign investment laws seeking to enjoin the completion of the Merger, seeking divestiture of substantial assets of the parties or requiring the parties to license, or hold separate, assets or terminate existing relationships and contractual rights. Private parties may also seek to take legal action under antitrust laws under certain circumstances.

 Any such injunctions, divestitures, requirements or legal actions could jeopardize or delay the completion, or reduce the anticipated benefits, of the Merger. There is no assurance that we and Boeing will obtain all required regulatory consents or approvals on a timely basis, or at all. Failure to obtain the necessary consents and approvals could substantially delay or prevent the completion of the Merger, which could negatively affect us.

 The Merger Agreement limits our ability to pursue alternatives to the Merger and could discourage a potential competing acquiror or other strategic transaction partner from making a favorable alternative transaction proposal.

 Under the Merger Agreement, we are required, subject to certain exceptions with respect to unsolicited proposals and the Divestiture Assets, not to directly or indirectly solicit competing acquisition proposals or to enter into discussions concerning, or provide confidential information in connection with, any unsolicited alternative acquisition proposals. In addition, upon termination of the Merger Agreement under certain circumstances, we may be required to pay Boeing a termination fee of $150 million. These provisions could discourage a potential acquirer or other strategic transaction partner that might have an interest in acquiring all or a significant portion of the Company from considering or pursuing an alternative transaction with us or proposing such a transaction, even if the potential acquirer or other strategic transaction partner were prepared to pay consideration with a higher per share cash or market value than the per share market value proposed to be received or realized in the Merger. These provisions might also result in a potential acquirer or other strategic transaction partner proposing to pay a lower price than it might otherwise have proposed to pay because of the added expense of the termination fee that may become payable by us in certain circumstances. If the Merger Agreement is terminated and we seek another business combination, we may not be able to negotiate or consummate a transaction with another party on terms comparable to, or better than, the terms of the Merger Agreement.

 The Merger, and uncertainty regarding the Merger, may adversely affect our relationships with customers, suppliers, strategic partners and others and could adversely affect our ability to manage our business.

 The Merger will occur only if the Merger Agreement's conditions to consummation of the Merger are satisfied or waived. Accordingly, there may be uncertainty regarding the completion of the Merger. This uncertainty and the prospect of the Merger itself have caused and may continue to cause customers, suppliers, strategic partners and others that deal with us to delay or defer entering into contracts with us or making other decisions concerning the Company or to seek changes in or cancellation of existing business relationships with us. Delays or deferrals of contracts or other decisions or changes in or cancellations of existing agreements or relationships could in some individual cases or in the aggregate have an adverse impact on our business, regardless of whether the Merger is ultimately completed.

 In addition, under the terms of the Merger Agreement, we are subject to certain restrictions on the conduct of our business prior to the completion of the Merger, including being obligated to use reasonable best efforts to conduct our business in all material respects in the ordinary course and not to engage in specified types of actions, subject to certain exceptions. These restrictions could delay or otherwise adversely affect our ability to execute certain of our business strategies or limit our ability to respond to competitive or other developments that arise prior to the completion of the Merger and could negatively affect our business and operations.

 Uncertainties associated with the Merger and the Airbus Business Disposition may result in our losing management and other key personnel, which could adversely affect our business and operations.

 We are dependent on the experience and industry knowledge of our officers and other key management, technical and professional personnel to execute our business plans. Our success, including as a part of Boeing after the Merger, will depend in part upon our ability to retain key management and other key personnel. Current and prospective employees of ours may experience uncertainty about their roles with us or the Spirit Airbus Business following the Merger and the Airbus Business Disposition or have other concerns regarding the timing and completion of the Merger and the Airbus Business Disposition or regarding the operations of the Company and the Spirit Airbus Business following the Merger and the Airbus Business Disposition, any of which may have an adverse effect on our ability to retain, attract or motivate key management and other key personnel. If we are unable to retain personnel, including key management, who are critical to future operations, we could face disruptions in our operations, loss of customers, loss of key information, expertise or know-how and unanticipated additional recruitment and training costs. In addition, the loss of key personnel could diminish the anticipated benefits of the Merger or delay the completion of the Merger.

 We have incurred and expect to incur significant transaction costs in connection with the Merger and the Airbus Business Disposition.

 We have incurred and expected to continue to incur a number of non-recurring costs associated with negotiating and completing the Merger and the Airbus Business Disposition, including, among others, fees paid to financial, legal, accounting and other advisors, employee retention, severance and benefit costs, and filing fees. These fees and costs have been, and will continue to be, substantial and, in many cases, will be borne by us whether or not the Merger and the Airbus Business Disposition are completed, and could have an adverse effect on our financial position, results of operations and cash flows.

 Completion of the Merger may trigger change in control or other provisions in certain of our agreements.

 The completion of the Merger may trigger change in control or other provisions in certain of our agreements. If we are unable to negotiate modifications, consents or waivers of those provisions, following completion of the Merger, the counterparties may exercise their rights and remedies under such agreements, potentially terminate such agreements or seek monetary damages. Even if we are able to negotiate modifications, consents or waivers, the counterparties may require a fee for such modifications, consents or waivers or seek to renegotiate such agreements on terms less favorable to us. Any of the foregoing or similar developments could have an adverse effect on our or Boeing's business and results of operations following completion of the Merger.

 Securities class action and derivative lawsuits in connection with the Merger or the Airbus Business Disposition could result in substantial costs and prevent or delay the consummation of the Merger.

 Securities class action lawsuits and derivative lawsuits are often brought against public companies that have entered into acquisition or merger agreements. Defending against and settling or otherwise resolving these types of claims can result in substantial costs, including costs associated with indemnification of directors and officers, and divert management time and resources. An adverse judgment in any such litigation relating to the Merger or the Airbus Business Disposition could result in monetary damages, which could have a negative impact on Boeing's and the Company's respective liquidity and financial condition. If a plaintiff is successful in obtaining an injunction prohibiting completion of the Merger or the Airbus Business Disposition, that injunction could delay or prevent the Merger from being completed, which could adversely affect our and Boeing's businesses, financial position, results of operations and cash flows.

 As of February 21, 2025, five lawsuits challenging the Merger had been filed on behalf of purported Holdings stockholders. On August 29, 2024, a purported stockholder of Holdings filed a lawsuit against Holdings and the board of directors of Holdings in the U.S. District Court for the Southern District of New York (the "Federal Action"). The Federal Action, captioned Murphy v. Spirit AeroSystems Holdings, Inc. et al., Docket No. 1:24-cv-06539, alleged, among other things, that the Registration Statement failed to disclose certain allegedly material information in violation of Sections 14(a) and 20(a) of the Securities Exchange Act of 1934. On January 7, 2025, a purported stockholder of Holdings filed a lawsuit against Holdings, Boeing and the board of directors of Holdings in the District Court of Sedgwick County, Kansas, Civil Court Department (the "Kansas Action"). The Kansas Action, captioned Garfield v. Cambone, C.A. No. SG-2025-CV000032, alleged, among other things, that the Registration Statement failed to disclose certain material information, and asserts claims against Boeing under Kansas securities statutes and claims against all defendants under Kansas common law for (i) negligent misrepresentation and concealment, and (ii) negligence and concealment. Both actions seek injunctive relief enjoining the vote on the Merger and other remedies. On January 9, 2025, a purported Holdings stockholder filed a putative class action lawsuit

 against Holdings and its directors in the Delaware Court of Chancery (the "Delaware Action"). The Delaware Action, captioned Coburn v. Shanahan, C.A. No. 2025-0029-LWW, alleges that the Holdings directors breached their fiduciary duties by failing to disclose certain information and requests an order compelling additional disclosures and damages, among other relief. On January 14, 2025, a purported Holdings stockholder filed a lawsuit against Holdings and its board of directors in the Supreme Court of the State of New York captioned Scott v. Spirit AeroSystems Holdings, Inc. et al., No. 650229/2025, and, on January 15, 2025, a purported Holdings stockholder filed a lawsuit against Holdings and its board of directors in the Supreme Court of the State of New York captioned Johnson v. Spirit AeroSystems Holdings, Inc. et al., No. 650254/2025 (the "New York Actions" and, together with the Federal Action, the Kansas Action and the Delaware Action, the "Lawsuits"). Each of the New York Actions alleges that the proxy statement/prospectus relating to the Merger failed to disclose certain material information and asserts claims against all defendants under New York common law for (i) negligent misrepresentation and concealment and (ii) negligence. The New York Actions seek injunctive relief enjoining the vote on the Merger and other remedies. Holdings has also received from additional purported Holdings stockholders demand letters that include allegations similar to those in the Lawsuits. On January 17, 2025, in order to moot the Lawsuits' disclosure claims, avoid nuisance and possible expense and business delays, and provide additional information to its stockholders, Holdings voluntarily supplemented certain disclosures in the proxy statement/prospectus relating to the Merger by filing a Current Report on Form 8-K. On February 3, 2025, plaintiff in the Kansas Action voluntarily dismissed his claims. On February 4, 2025, plaintiff in the Federal Action voluntarily dismissed his claims.

 After the Merger, Holdings stockholders will have a significantly lower ownership and voting interest in Boeing than they currently have in Holdings and will exercise less influence over management.

 Immediately following completion of the Merger, Holdings stockholders will have a significantly lower ownership and voting interest in Boeing than they currently have in Holdings. Consequently, former Holdings stockholders will have less influence over the management and policies of Boeing than they currently have over the management and policies of Holdings.

 The shares of Boeing Common Stock to be received by Holdings stockholders upon completion of the Merger will have different rights from shares of Holdings Common Stock.

 Upon completion of the Merger, Holdings stockholders will no longer be stockholders of Holdings, but will instead become stockholders of Boeing, and their rights as Boeing stockholders will be governed by the terms of the Boeing certificate of incorporation and bylaws. The terms of Boeing's certificate of incorporation and bylaws are in some respects materially different from the terms of Holdings' certificate of incorporation and bylaws, which currently govern the rights of Holdings stockholders.

 Holdings stockholders will not be entitled to appraisal rights in the Merger.

 Under Delaware law, holders of Holdings Common Stock will not have appraisal rights in connection with the Merger.

 Item 1B. Unresolved Staff Comments

 None.

 Item 1C. Cybersecurity

 Cybersecurity Program

 Our cybersecurity program is designed to detect known and anticipated threats, and contemplate various types of unexpected but possible threats. We have developed processes designed to identify, assess, mitigate, analyze and respond to threats, and continue to mature our cyber resiliency solutions.

 We continuously monitor the cybersecurity landscape and identify active and potential threats through a combination of tools and processes. Our Global Information Security ("GIS") team has day-to-day responsibility for Spirit's cybersecurity program. This group is led by our Chief Information Security Officer ("CISO"), who has more than twenty years of relevant audit and cybersecurity experience. The CISO collaborates across the business, participates in internal audits, and is active in several leading industry groups to help benchmark our efforts with third parties. GIS receives and analyzes information from various resources to inform our cybersecurity program needs. An Executive Security Council comprised of senior leaders across the business meets regularly to discuss the company's overall cybersecurity strategy, policies, and key cyber risks and

 mitigations. Significant risks are escalated to the Enterprise Risk Council which is chaired by our President and CEO, who was the Deputy Secretary of Defense during the development of the 2018 Department of Defense Cyber Strategy. We implement appropriate controls to help protect our information or information we have control of on our systems, and our operations. We evaluate our controls and systems against industry-recognized standards, and contractual requirements, as applicable.

 The CISO monitors and reviews our process of patching compliance, which is managed and executed via a combination of internal resources and third-party service providers. We also use third parties to supplement monitoring of cyber activity and for various special projects, which may include projects related to cybersecurity.

 As part of our cybersecurity risk management program, we have planned "tabletop" exercises designed to simulate various cybersecurity threats or intrusions and help identify gaps in our preparedness, and help provide clarity in how to respond to any potential incidents. These exercises are designed to test the working level and senior leadership level, including participation by Executive leaders. All employees are required to take mandatory cybersecurity training courses throughout the year. We execute simulated phishing exercises for all employees monthly and provide direct feedback to employees who fail such simulations to help them understand how to recognize phishing attempts. Our overall program is designed to help us prevent and effectively respond to cybersecurity incidents.

 GIS maintains an Incident Management and Response Policy that provides a classification framework for cybersecurity incidents and defines critical roles and responsibilities during a cybersecurity incident. The Incident Response Policy specifies ownership and timing of key actions and prescribes the engagement of functional leaders, senior Executives, and the Board of Directors, depending on the incident. We have developed playbooks to guide specific actions related to different incident types. Finally, we have a cyber insurance policy underwritten by a global leader in commercial insurance solutions.

 Part of our Enterprise Risk Management program involves understanding risks that third parties, including our supply chain partners, introduce to our organization. Our GIS organization has a formal risk assessment process that evaluates the cybersecurity risk of third party "as-a-service" providers, particularly in situations where we share confidential or sensitive information, or in situations where our compliance status or operations may be impacted through a cybersecurity incident.

 Cybersecurity Governance

 The Board of Directors' Risk Committee has the responsibility for oversight of our cybersecurity program. This committee's membership includes subject matter experts in both cybersecurity and national security. Spirit's CISO reports to the Risk Committee quarterly or as needed on the state of our cybersecurity program.

 Cybersecurity Risks

 To date, we are not aware of risks from cybersecurity threats, including as a result of any previous known cybersecurity incidents, that have materially affected us or are reasonably likely to materially affect us, including our business strategy, results of operations, or financial condition. However, we are subject to various cybersecurity risks, and we have experienced cyber-attacks, and routinely experience cybersecurity threats and attempts to gain access to sensitive information, as do our customers, suppliers, and other third parties with which we work. We cannot provide assurance that our processes and procedures will be sufficient to anticipate, detect, recognize or prevent cybersecurity threats. For more information about the cybersecurity risks we face, see Item 1A. "Risk Factors – Risks Related to Our Operations"

 Item 2. Properties

 The location, primary use, approximate square footage and ownership status of our principal properties as of December 31, 2024 are set forth below:

 Location
 Primary Use
 Approximate
Square Footage

 United States

 Wichita, Kansas(1)

 Primary Manufacturing
 12.8 million

 Facility/Offices/Warehouse

 Tulsa, Oklahoma
 Manufacturing Facility
 1.7 million
 Leased

 Kinston, North Carolina
 Primary Manufacturing/Office/Warehouse
 838,000

 Leased

 Dallas, Texas
 199,000
 Leased

 Biddeford, Maine (sold January 2025)

 247,000

 Woonsocket, Rhode Island (sold January 2025)

 79,000

 United Kingdom

 Prestwick, Scotland
 Manufacturing Facility
 988,000
 Owned

 Belfast, Northern Ireland
 Manufacturing Facility/Offices
 3.1 million

 Malaysia

 Subang, Malaysia
 411,000

 France

 Saint-Nazaire, France
 Primary Manufacturing/Office
 77,000
 Leased

 Africa

 Casablanca, Morocco
 Primary Manufacturing
 312,000
 Owned

 (1)88% of the Wichita facility is owned.

 Our physical assets consist of approximately 20.8 million square feet of building space located on 1,497 acres in 11 facilities. Production across our Commercial, Defense & Space, and Aftermarket segments is located in our primary manufacturing facility located in Wichita, Kansas. Additional Commercial segment work is produced at our Tulsa, Oklahoma; Kinston, North Carolina; Saint Nazaire, France; Prestwick, Scotland; Belfast, Northern Ireland; Subang, Malaysia and Casablanca, Morocco facilities. Additional Defense & Space work is produced at our Tulsa, Oklahoma; Biddeford, Maine; Woonsocket, Rhode Island; Prestwick, Scotland and Belfast, Northern Ireland facilities. Additional Aftermarket segment work is produced at our Tulsa, Oklahoma; Kinston, North Carolina; Dallas, Texas; Prestwick, Scotland; Belfast, Northern Ireland and Casablanca, Morocco facilities.

 The Wichita facility, which includes the Company's corporate offices, is comprised of 650 acres, 8.1 million square feet of manufacturing space, 1.9 million square feet of offices and laboratories for the engineering and design group and 2.8 million square feet for support functions and warehouses. The Wichita site has access to transportation by rail, road, and air via the runways of McConnell Air Force Base.

 The Tulsa facility consists of 1.7 million square feet of building space set on 147 acres. The Tulsa plant is located five miles from an international shipping port (Port of Catoosa) and is located next to the Tulsa International Airport.

 The Wichita and Tulsa manufacturing facilities have significant scale to accommodate the very large structures that are manufactured there, including, in Wichita, entire fuselages. These two U.S. facilities are in close proximity, with approximately 175 miles between Wichita and Tulsa.

 The Kinston, North Carolina facility supports the manufacturing of composite panels and wing components. The primary manufacturing site and off-site leased spaces total 318 acres and 838,000 square feet. In addition to the primary manufacturing facility, this includes four additional buildings leased from the North Carolina Global Transpark Authority: a 27,800 square foot warehouse/office supporting receiving needs, a 12,500 square foot warehouse providing tooling storage, a 121,000 square foot

 manufacturing facility supporting light manufacturing, and a 1,300 square foot section of a lab/classroom facility providing training.

 The Dallas, Texas operation is in three leased buildings totaling 199,000 square feet with proximity to the Dallas/Fort Worth logistical hub and is within seven miles of the Dallas Love Field Airport. This is a world class MRO/CRO facility that specializes in nacelle and flight control surfaces. The facility has FAA/EASA Part 145 & Part 21G certificates and services customers across the Americas.

 The Biddeford, Maine site was purchased in 2020 and consists of 182,000 square feet at two owned locations on 22 total acres. The primary function of these sites is carbon/carbon composite and thermal protection system manufacturing. Additionally, this site includes two leased locations of warehouse space totaling 13,000 square feet and a fiber material building totaling 52,000 square feet.

 The Woonsocket, Rhode Island site was acquired in late November 2022. The subsidiary, Spirit AeroSystems Textiles, LLC ("Spirit Textiles"), operates out of two locations within the city totaling 48,000 square feet in one owned building on 4 acres and 31,000 square feet in one leased building, producing carbon/carbon composite parts through fiber reinforcement technology.

 The Biddeford, Maine and Woonsocket, Rhode Island facilities were classified as assets held for sale as of December 31, 2024. The sale closed in January 2025.

 The Prestwick facility consists of 988,000 square feet of building space, comprised of 459,000 square feet of manufacturing space, 280,000 square feet of office and lab space, and 249,000 square feet of warehouse/support space. This facility is set on 93 acres. The Prestwick plant is located within close proximity to the motorway network that provides access between England and continental Europe. It is also easily accessible by air (at Prestwick International Airport) or by sea. A portion of the Prestwick facility is leased to the Regional Aircraft division of BAE Systems and certain other tenants.

 The Belfast, Northern Ireland facility consists of seven sites on 202 acres within 12 miles of the main factory at Queens Island totaling 3.1 million square feet. All on-site buildings are Spirit owned, but six sites are on leased acreage. The operations conducted at these sites include machined parts, auto-riveting and major aerostructures final assembly; fabrication and wing assembly for the A220; composite fabrication for multi-programs; sheet metal fabrication, metal bonding, chem-milling, composite parts manufacturing, and panel fabrication and assembly; nacelle production and MRO repair for multi-programs; and engineering services.

 The Malaysian manufacturing plant is located at the Malaysia International Aerospace Center in Subang. The 411,000 square foot facility is 34% owned and is set on 45 leased acres and is centrally located with easy access to Kuala Lumpur, as well as nearby ports and airports. The facility assembles composite panels for wing components and sub-structures for fuselage.

 The Saint-Nazaire, France is set on 9 acres and totals 77,000 square feet. This facility receives center fuselage frame sections for the Airbus A350 XWB from the facility in Kinston, North Carolina. Sections designed and manufactured in North Carolina are shipped across the Atlantic, received in Saint-Nazaire, and assembled before being transported to Airbus.

 The Casablanca, Morocco site is set on 7 acres and totals 312,000 square feet with access to the Moroccan aeronautical hub, with the Mohammod V Airport being within two miles of the site. Operations in Casablanca include CRJ nacelle and flight commands, mid-fuselage work on the A220, nacelle work on the A320neo, and mid-fuselage work on the C350.

 Item 3. Legal Proceedings

 Information concerning the litigation and other legal proceedings in which the Company is involved may be found in Note 23 to the Consolidated Financial Statements, Commitments, Contingencies and Guarantees, under the sub-heading "Litigation" in this Annual Report and that information is hereby incorporated by reference.

 Item 4. Mine Safety Disclosures

 Not applicable.

 Information About Our Executive Officers

 Listed below are the names, ages, positions held, and biographies of all executive officers of Spirit Holdings. Executive officers hold office until their successors are appointed, or until their death, retirement, resignation, or removal.

 Patrick Shanahan, 62. Mr. Shanahan became President and Chief Executive Officer of Spirit AeroSystems in September 2023 and has served on the Board of Spirit since November 2021. Shanahan served as the 33rd Deputy Secretary of Defense from July 2017 to January 2019 and as Acting Secretary of Defense from January to June 2019. While at the Department of Defense, he led the development of critical digital and technological advancements for the U.S. military, including modernization in cybersecurity, artificial intelligence, and cloud computing. He led the Department's Joint A.I. Center and published the Department's A.I. Strategy. He directed efforts for the Department to invest in space-based technology, A.I. systems, and cutting-edge cyber capabilities. Prior to his service in the Department of Defense, Mr. Shanahan served for over 30 years in senior commercial and defense leadership roles at The Boeing Company, managing technology development, large-scale weapon system and aircraft integration, as well as global supply chains. Mr. Shanahan directed the design, production, and profitability of some of the most challenging and complex programs and aircraft, including the B787 Dreamliner and the Ground-based Midcourse Defense system. His roles included Senior Vice President of Supply Chain and Operations, Senior Vice President of Commercial Airplane Programs, Vice President and General Manager of Boeing Missile Defense Systems, and Vice President and General Manager of Boeing Rotorcraft Systems. Mr. Shanahan earned his Bachelor of Science degree in Mechanical Engineering from University of Washington, his Master of Science in Mechanical Engineering from the Massachusetts Institute of Technology, and his Master of Science in Management Studies from the Massachusetts Institute of Technology.

 Irene Esteves, 66. Ms. Esteves became Executive Vice President and Chief Financial Officer of Spirit AeroSystems in June 2024 and has served on the Board of Spirit since May 2015. Ms. Esteves has broad experience in finance and corporate strategy across multiple industries. Ms. Esteves served as Executive Vice President and Chief Financial Officer of Time Warner Cable Inc., a provider of video, high-speed data and voice services, from July 2011 to May 2013. She previously served as Executive Vice President and Chief Financial Officer of XL Group plc. Prior to that, Ms. Esteves was Executive Vice President and Chief Financial Officer of Regions Financial Corporation. She has served on boards as a director of Roper Technologies, Inc. since 2021 and KKR Real Estate Finance Investment Trust since 2018. In the last five years, Ms. Esteves also served as a director of Aramark and R. R. Donnelley & Sons Company. Ms. Esteves earned an M.B.A. with highest honors from the J.L. Kellogg Graduate School of Management at Northwestern University and a B.B.A. from the University of Michigan School of Business. She is also a licensed helicopter pilot.

 Sean Black, 54. Mr. Black became Senior Vice President, Engineering and R&T on June 1, 2022. Mr. Black joined Spirit AeroSystems in 2016. During his tenure at Spirit, he has held leadership roles as Vice President of Commercial Engineering across all Boeing, Airbus and Rolls Royce programs from January 2021 through May 2022, and as Vice President of Research and Development from September 2016 to January 2021. Mr. Black has over 25 years' experience in the defense and aerospace industries. He started his career in the UK as a Research Engineer at BAE SYSTEMS Advanced Technology Centre and then as Engineering Manager for BAE SYSTEMS Aerostructures business unit. Mr. Black transferred to Airbus with the launch of the A350XWB program where he held a variety of leadership roles both in Europe and the United States spanning the full development lifecycle. Prior to his industrial career he held a Lectureship in Mechanical Engineering at the University of Dundee (Scotland). Mr. Black earned a Bachelor's degree in Mechanical Engineering from the Dundee Institute of Technology (Scotland) and a Doctor of Philosophy in the field of Superabrasives from Liverpool John Moores University, England.

 Terry George, 63. Mr. George became Senior Vice President of Wichita and Tulsa Operations on November 27, 2023. From April 1, 2022 to November 26, 2023 he served as Senior Advisor of Advance Manufacturing Strategy. From January 29, 2020 to March 31, 2022 he served as SVP, Boeing 737 Program and Operations and Advanced Manufacturing Strategy. From July 2018 to January 29, 2020, Mr. George served as Vice President of New Product Development and Advanced Manufacturing Strategy. In this role, he was responsible for the Company's factory automation strategy and implementation and new aircraft development. Additional roles include; Vice President and General Manager of Airbus Programs, Kinston, NC from July 2016 - 2018, several positions on the B787 program including Vice President of B787 Program Management, Senior Director and Director of B787 Operations, product line manager for the B787 Composites Fabrication and lastly, part of the Life Cycle Product team for the B787 program from June 2003 - April 2005. Mr. George began his career at Boeing in July 1983 in Industrial Engineering and was named manager on the B737 program in 1991. In 1995, he was named product line manager of Automated Fastening for the B737 program. Mr. George earned his bachelor's and master's degrees in Business Administration, both from Wichita State University.

 Kailash Krishnaswamy, 47. Mr. Krishnaswamy became Senior Vice President and Chief Procurement Officer in July 2024. Prior to this role, Mr. Krishnaswamy served as Senior Vice President of Aftermarket Services from October 2021 to July

 2024. Prior to this role, Mr. Krishnaswamy served as Vice President of Mergers and Acquisitions ("M&A"), and China Operations from March 2017 to October 2021. Mr. Krishnaswamy joined Spirit in March 2017 from United Technologies Corporation (UTC) where he was a senior director in Corporate M&A from November 2015 to March 2017. In that role, he was responsible for company wide business and financial strategies including digital transformation, additive manufacturing, capital markets alternatives, divestitures and M&A. His first assignment at UTC was to execute the sale of Sikorsky. Prior to UTC, Mr. Krishnaswamy held investment banking positions at Credit Suisse, where he developed and executed M&A transactions in the Aerospace & Defense sector. He began his career at Honeywell Aerospace providing technology strategy, competitive intelligence, intellectual property and innovation portfolio expertise to internal R&D teams. Mr. Krishnaswamy is a graduate of the Indian Institute of Technology, Delhi, has a Master of Business Administration from the University of Chicago Booth School of Business, and earned a Ph. D. in mechanical control systems from the University of Minnesota.

 Scott McLarty, 55. Mr. McLarty became Senior Vice President of Airbus Programs in 2018, with the addition of the Regional Business Jets Programs in October 2021 after the acquisition of the Bombardier assets. From December 2011 to November 2018, Mr. McLarty was Vice President with responsibility for the Company's U.K. and Malaysia business units and was responsible for developing the strategy and driving profitable growth in those regions. From 2006-2011 he held the positions of Global Operations & HR Director for Spirit Europe. Mr. McLarty originally joined the Company in April 2006 as part of the acquisition of the UK BAE Systems' Aerostructures business unit which created Spirit AeroSystems (Europe) Ltd. During his time at BAE Systems Mr. McLarty held various senior positions, latterly as Director of Business Improvement, Planning & Support as well as prior roles in Operations, Project Management, Business Improvement, Supply Chain and HR. Throughout his 35 years in the industry, Mr. McLarty has overseen many customer relationships such as Boeing, Airbus, Hawker, BAE Business Jets, Bombardier, Rolls Royce & UK Military programs. Mr. McLarty is a member of the board of directors at the UK Aerospace Growth Partnership (AGP) and the UK Aerospace, Defense, Space & Security Group (ADS Group). Mr. McLarty also held the position of Vice Chair of the Scottish Government's Enterprise & Strategic Skills Board until its conclusion in 2022. He is a Chartered Fellow of the Institute of Personnel Development (FCIPD) and a Fellow of the Royal Aeronautical Society. Mr. McLarty attended Kilmarnock Technical College from 1986-1990 and the Cranfield University School of Management from 1995-1996. Mr. McLarty also holds a PPL(H) pilots license.

 Justin Welner, 55. Mr. Welner became Senior Vice President and Chief Administration Officer & Compliance Officer in October 2021. In this role, Mr. Welner oversees a number of functional areas for Spirit, including human resources, corporate affairs, information technology, environmental health & safety, sustainability, compliance, and risk management. Mr. Welner previously served as Vice President of Human Resources, Corporate Affairs, Information Technology, CEO Business Management and Strategy; Vice President, Human Resources, Corporate Communications and Environment, Health and Safety and Security; Vice President of Human Resources, Communications and EHS and Vice President of Labor Relations, Compensation and Benefits. Mr. Welner joined Spirit in 2012 from Bombardier Learjet, where he served as Director of Human Resources, overseeing all human resource functions. He held numerous other leadership roles within Learjet Business Aircraft in Wichita, Kansas, during his nearly 20 years with the company. In 2017, Mr. Welner joined the IAM National Pension Fund and the Board of Trustees as an Employer Trustee. He is a former member of WSU Tech's board of directors, and a former board member of the Make-A-Wish foundation. Mr. Welner earned his Bachelor degree in Business Administration from Washburn University and a Master of Business Administration from Wichita State University.

 David Myers, 40. Mr. Myers became Vice President, General Counsel and Corporate Secretary of Spirit AeroSystems in November 2024. He previously served as Deputy General Counsel from May 2024 to November 2024 overseeing the corporate legal function, including capital markets, M&A, governance, securities, employee benefits, and other matters. Prior to that he served as Associate General Counsel from August 2021 to May 2024 with similar responsibilities. He served as Senior Corporate Counsel and Assistant Secretary at The Greenbrier Companies, Inc., which designs, manufactures and markets railroad freight car equipment and services, from January 2020 to August 2021 and in other legal roles there from July 2017 to January 2020. At The Greenbrier Companies, Mr. Myers took on increasing responsibility across a broad range of corporate, commercial and other legal functions. Prior to joining The Greenbrier Companies, he served in various in-house and law firm counsel positions. Mr. Myers earned a J.D. magna cum laude from Willamette University, an LL.M. in taxation from the University of Washington, and a B.A. in political science from Brigham Young University.

 Keith Schrader, 52. Mr. Schrader became the Vice President for Defense and Space of Spirit AeroSystems in November 2024 after serving as Vice President, Defense Operations from April 2024 to November 2024. Mr. Schrader was the President and Chief Executive Officer of Walbar Engine Components, a manufacturer of turbine engine components, from September 2020 to March 2024 and was the Vice President and General Manager for GKN Aerospace, a supplier of airframe and engine structures, landing gear, electrical interconnection systems, transparencies, and aftermarket services, from December 2017 to August 2020. He has been in the aviation industry for more than 25 years. Mr. Schrader began his career in 1997 at Boeing as a sheet metal mechanic on the 747, taking on progressive responsibilities on the 737, 767, 777, 787 and KC-46 fuselage and propulsion programs. During his time at Boeing, he led the 777 to successful delivery of the initial phase of the freighter and

 conceptualized and put in place the "Service Ready" approach to 100% defect free products. In 2013, he left Boeing to pursue executive roles at GKN Aerospace and LMI Aerospace in executive operations and program roles for both commercial and defense programs. As part of his work on defense programs, Mr. Schrader has led teams to oversee and support customers on the B-21, F-15, F-18, CH53K, and F-35 platforms. Mr. Schrader holds a Bachelor of Science from Southwestern University and an M.B.A. from Baker University.

 Gregg Brown, 56. Mr. Brown is Senior Vice President, Global Quality of Spirit AeroSystems. Mr. Brown has over 38 years in aviation, joining Spirit in March 2024 from Jet Blue Airways, where he was Vice President of Technical Operations from February 2023 to March 2024. In that role, he was responsible for quality and delivery of safe, reliable and on-time aircraft to the operation. He served as Vice President of Technical Operations for Spirit Airlines from March 2022 to February 2023 and as Chief Quality and Compliance Officer for MRO Holdings (an aircraft maintenance and modification provider) in Irving, Texas, from 2018 to 2022. Between 1994 and 2018, Mr. Brown held numerous positions with Southwest Airlines, including his last role as Senior Director of Quality/FAA Liaison, leadership positions in Maintenance Operations/Control and Airframe Field Services, and front-line positions as an Aviation Maintenance Technician and Quality Control Inspector. He was also previously employed by Delta Air Lines as an aircraft mechanic and is a veteran of the United States Air Force, where he served as a crew chief on the B-52H Stratofortress strategic bomber. Mr. Brown holds FAA certificates as a private pilot and airframe and powerplant mechanic and earned a Bachelor's degree in Aviation Science from Eastern New Mexico University.

 Item 5. Market for Registrant's Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities

 Our Class A common stock, par value $0.01 per share ("Common Stock"), trades on the New York Stock Exchange under the symbol "SPR." As of January 16, 2025, there were 2,107 holders of record of Common Stock.

 Securities Authorized for Issuance under Equity Compensation Plans

 The following table represents securities authorized for issuance under equity compensation plans as of December 31, 2024.

 Equity Compensation Plan Information

 Plan Category
 Number of Securities
to be Issued
Upon Exercise of
Outstanding Options,
Warrants and Rights
 Weighted-Average
Exercise Price of
Outstanding Options,
Warrants and Rights
 Number of Securities
Remaining Available
for Future Issuances
Under the Equity
Compensation Plans
(Excluding Securities
Reflected in Column (a))

 (a)(3)(4)

 (b)
 (c)

 Equity compensation plans approved by security holders

 • Omnibus Incentive Plan of 2014(1)

 2,115,369
 N/A
 5,937,026

 • Employee Stock Purchase Plan(2)

 —
 N/A
 3,361,044

 Equity compensation plans not approved by security holders
 —
 —
 —

 Total
 2,115,369
 —
 9,298,070

 (1)The Omnibus Incentive Plan of 2014, as amended (the "Omnibus Plan"), provides for the issuance of incentive awards to officers, directors, employees, and consultants in the form of restricted stock, restricted stock units, stock appreciation rights, and other equity or equity-based compensation awards.
 (2)The Company maintains the Spirit AeroSystems Holdings, Inc. Employee Stock Purchase Plan as amended (the "ESPP").
 (3)Subject securities are not included in the weighted-average price column as they are issuable for no consideration.
 (4)Represents time-based and performance-based long-term incentives that may be issued under the Omnibus Plan. For outstanding performance-based awards, the amount shown reflects the maximum payout under best-case performance goals that may or may not be achieved. The amount of shares that could be paid out under the performance-based awards ranges from 0-200% based on actual performance, with a target award equal to 100%.

 Stock Performance

 The following graph shows a comparison from December 31, 2019 through December 31, 2024 of the cumulative total return of our Common Stock, Standard & Poor's 500 Stock Index, and the Standard & Poor's 500 Aerospace & Defense Index. Such returns are based on historical results and are not intended to suggest future performance. No dividend payments were made on our Common Stock during the year ended December 31, 2024.

 INDEXED RETURNS
 Years Ending

 Company/Index
 Base
 Period
 12/31/2019

 12/31/2020
 12/31/2021
 12/31/2022
 12/31/2023
 12/31/2024

 53.73
 59.28
 40.76
 43.76
 46.93

 S&P 500 Index
 118.40
 152.39
 124.79
 157.59
 197.02

 S&P 500 Aerospace & Defense Index
 83.94
 95.03
 111.54
 119.09
 136.24

 Dividends

 On February 6, 2020, the Company announced that its Board of Directors reduced its quarterly dividend to a penny per share to preserve liquidity. On November 3, 2022, the Company announced that the Board had suspended the penny per share dividend. The Board regularly evaluates the Company's capital allocation strategy and dividend policy. Any future determination to pay dividends will be at the discretion of our Board of Directors and will depend upon, among other factors, our results of operations, financial condition, capital requirements and contractual restrictions, including the requirements of financing agreements to which we may be a party. No assurance can be given that cash dividends will be declared and paid at historical levels or at all.

 No dividends were paid during 2024.

 Issuer Purchases of Equity Securities

 The following table provides information about our repurchases during the three months ended December 31, 2024 of our Common Stock that is registered pursuant to Section 12 of the Exchange Act.

 ISSUER PURCHASES OF EQUITY SECURITIES

 Period (1)

 Total Number of Shares Purchased(2)

 Average Price Paid Per Share
 Total Number of Shares Purchased as Part of Publicly Announced Plans or Programs
 Approximate Dollar Value of Shares that May Yet be Repurchased Under the Plans or Programs (3)

 ($ in millions other than per share amounts)

 September 27, 2024 - October 31, 2024

 89,666
 $
 32.38
 —
 $925.0

 November 1, 2024 - November 28, 2024

 15,060
 $
 30.70
 —
 $925.0

 November 29, 2024 - December 31, 2024

 253,468
 $
 32.87
 —
 $925.0

 Total
 358,194
 $
 32.66
 —
 $925.0

 (1)Our fiscal months often differ from the calendar months except for the month of December, as our fiscal year ends on December 31. For example, September 27, 2024 was the first day of our October 2024 fiscal month.
 (2)358,194 shares were transferred to us from employees in satisfaction of tax withholding obligations associated with the vesting of restricted stock awards and restricted stock units under the Omnibus Plan. No purchases were made under our Board-approved share repurchase program, described in footnote (3) below.
 (3)On October 28, 2018, the Board of Directors increased the capacity of our share repurchase program to $1.0 billion. During the twelve months ended December 31, 2024, the Company repurchased no shares of Common Stock. The total authorization amount remaining under the share repurchase program is $925.0 million. Share repurchases are currently on hold. The Credit Agreement imposes additional restrictions on the Company's ability to repurchase shares.

 Item 6. [Reserved]

 Item 7. Management's Discussion and Analysis of Financial Condition and Results of Operations

 You should read the following discussion and analysis of our financial condition and results of operations together with our consolidated financial statements and related notes and other financial information appearing in this Annual Report. Some of the information contained in this discussion and analysis or set forth elsewhere in this Annual Report, including information with respect to our plans and strategy for our business and operations, includes forward-looking statements that involve risks and uncertainties. You should review the sections of this Annual Report on Form 10-K captioned "Risk Factors" and "Cautionary Note Regarding Forward-Looking Statements" for a discussion of important factors that could cause our actual results to differ materially from the results described in or implied by the forward-looking statements contained in the following discussion and analysis.

 Management's Focus

 For the year ended December 31, 2024, management's focus was on:
 • completing alignment with customers and delivering on our commitments;
 • stabilizing and de-risking operations;
 • improving teamwork to overcome challenges and achieve goals; and
 • strengthening Spirit financially

 For the year ending December 31, 2025, management's focus is on:
 • quality, safety, and compliance
 • operational execution required to deliver on our commitments to customers
 • improve efficiency resulting in cost reductions; and
 • executing on strategic transactions

 Global Economic Conditions

 Global economic conditions impact our results of operations. Our business operations depend on, among other things, sufficient OEM orders (without suspension) from airlines and the financial resources of airlines, our suppliers, other companies and individuals.

 Energy, freight, raw material and other costs have been impacted by, and may continue to be impacted by, the war in Ukraine. Prolonged global inflationary pressures have also impacted these costs in addition to increased interest costs and labor costs. In certain situations, we have the ability to recover certain abnormal inflationary impacts through contractual agreements with our customers; however, we anticipate that we will experience reduced levels of profitability related to inflationary impacts until such time as the rate of inflation subsides to normal historical levels. Our associated estimates of such costs, where applicable, use the most recent information available. The economic impact of inflation, together with the impact of increases in interest rates and actions taken to attempt to reduce inflation, may have a significant effect on the global economy, air travel, our supply chain and our customers, and, as a result, on our business.

 In addition, Russia's invasion of Ukraine, the resultant sanctions and other measures imposed by the U.S. and other governments, and other related impacts have resulted in economic and political uncertainty and risks. In response to the Russian invasion of Ukraine, and the associated U.S. sanctions, the Company suspended all sanctioned activities relating to Russia, primarily consisting of sales and service activities. The suspended activities' impacts to prospective revenues, net income, net assets, cash flow from operations, and the Company's Consolidated Financial Position are not material. Continuation or significant expansion of economic disruption or escalation of the conflict, or other geopolitical events of a similar nature, such as the conflict in the Middle East, could have a material adverse effect on orders from our customers, the public's ability or willingness to continue to travel, the availability and timeliness of certain elements of parts procured from our supply chain, and/or our results of operations.

 We expect that our operating environment will continue to remain dynamic and evolve in 2025. We continue to monitor and evaluate related risks and uncertainties relating to macroeconomic conditions, including the items discussed in Item 1A. "Risk Factors" in this Annual Report on Form 10-K.

 Agreement and Plan of Merger with The Boeing Company

 On June 30, 2024, Holdings entered into an Agreement and Plan of Merger (the "Merger Agreement") with The Boeing Company ("Boeing") and Sphere Acquisition Corp., a wholly owned subsidiary of Boeing ("Merger Sub"). The Merger Agreement provides that, subject to the terms and conditions set forth in the Merger Agreement, Merger Sub will merge with and into Holdings (the "Merger"), with Holdings surviving the Merger and becoming a wholly owned subsidiary of Boeing.

 On the terms and subject to the conditions set forth in the Merger Agreement, at the effective time of the Merger (the "Effective Time"), each share of Holdings Common Stock issued and outstanding immediately prior to the Effective Time (other than shares of Holdings Common Stock owned by Boeing, Merger Sub, any other wholly owned subsidiary of Boeing, Holdings, or any wholly owned subsidiary of Holdings, in each case, not held on behalf of third parties) will be automatically cancelled and cease to exist and will be converted into the right to receive a number of shares of Holdings Common Stock, of the par value of $5 each, of Boeing ("Boeing Common Stock") equal to (a) if the volume-weighted average price per share of Boeing Common Stock on the New York Stock Exchange for the 15 consecutive trading days ending on and including the second full trading day prior to the Effective Time (the "Boeing Stock Price"), is greater than $149.00 but less than $206.94, the quotient obtained by dividing $37.25 by the Boeing Stock Price, rounded to four decimal places or (b) if the Boeing Stock Price is greater than or equal to $206.94, 0.1800 or (c) if the Boeing Stock Price is equal to or less than $149.00, 0.2500 (such number of shares of Boeing Common Stock, the "Per Share Merger Consideration").

 Under the terms of the Merger Agreement, the closing of the Merger is subject to various conditions, including: (a) the adoption of the Merger Agreement by the holders of a majority of the outstanding shares of Holdings Common Stock entitled to vote thereon (the "Holdings Stockholder Approval"); (b) the expiration or termination of the applicable waiting period under the Hart-Scott-Rodino Antitrust Improvements Act of 1976, as amended (the "HSR Act"), and the receipt of other specified regulatory approvals (collectively, including the expiration or termination of any such waiting periods, the "Regulatory Approvals"); (c) the absence of any law or order issued by a governmental entity prohibiting the consummation of the Merger; (d) the approval for listing on the New York Stock Exchange of, and the effectiveness of a registration statement on Form S 4 relating to, the shares of Boeing Common Stock to be issued in the Merger; (e) solely with respect to the obligations of Boeing and Merger Sub to effect the closing of the Merger, (1) the accuracy (subject to materiality qualifiers in certain cases) of the representations and warranties of Holdings contained in the Merger Agreement, (2) Holdings having performed in all material respects the obligations required to be performed by it under the Merger Agreement at or prior to the closing of the Merger, (3)

 the Regulatory Approvals having been obtained without the imposition of a Burdensome Condition (as defined in the Merger Agreement), (4) the absence of a Material Adverse Effect (as defined in the Merger Agreement) or any event that would reasonably be expected to have, individually or in the aggregate, a Material Adverse Effect since the date of the Merger Agreement and (5) Holdings having completed the divestiture of certain portions of the Company's business related to the performance by the Company of its obligations under supply contracts with Airbus SE and its affiliates (the "Spirit Airbus Business"); and (f) solely with respect to the obligation of Holdings to effect the closing of the Merger, (1) the accuracy (subject to materiality qualifiers in certain cases) of the representations and warranties of Boeing and Merger Sub contained in the Merger Agreement, (2) each of Boeing and Merger Sub having performed in all material respects the obligations required to be performed by it under the Merger Agreement at or prior to the closing of the Merger and (3) the absence of a Parent Material Adverse Effect (as defined in the Merger Agreement) or any event that would reasonably be expected to have, individually or in the aggregate, a Parent Material Adverse Effect since the date of the Merger Agreement.

 The Merger Agreement includes customary representations, warranties and covenants of Holdings, Boeing and Merger Sub, including covenants restricting Holdings from soliciting alternative acquisition proposals, governing the conduct of the Company's business during the period between the date of the Merger Agreement and completion of the Merger and relating to the parties' efforts to consummate the Merger as promptly as reasonably practicable. The Merger Agreement includes provisions to facilitate the disposition by the Company to Airbus SE and its affiliates ("Airbus") of the Spirit Airbus Business, as contemplated by a term sheet between Spirit and Airbus SE (the "Airbus Term Sheet") described below under the sub-heading Airbus Term Sheet. The Merger Agreement also includes provisions, which are consistent with provisions in the Airbus Term Sheet, to facilitate the potential sale, subject to certain Boeing consent rights, by the Company to other third parties of specified assets and businesses, some of which include or comprise parts of the Spirit Airbus Business. Such specified assets and businesses include, among others, the Company's operations in Belfast, Northern Ireland (other than the operations that are part of the Spirit Airbus Business) and Subang, Malaysia, certain of the Company's operations in Prestwick, Scotland and the Company's Fiber Materials, Inc. business.

 The Merger Agreement includes termination provisions under which either Holdings or Boeing may terminate the Merger Agreement in various circumstances, including if the Merger has not been consummated by March 31, 2025, subject to three automatic three-month extensions if on each such date all of the closing conditions except those relating to regulatory approvals or the disposition of the Spirit Airbus Business have been satisfied or waived (such date, as so extended (if applicable), the "Outside Date"). Upon termination of the Merger Agreement in specified circumstances, Boeing would be required to pay to Holdings a termination fee of $300.0 million reduced (but not to less than zero) by the aggregate then-outstanding amount of cash advances to be repaid by the Company to Boeing, whether or not then due and payable, pursuant to the applicable agreements governing cash advances by Boeing to the Company.

 Subject to satisfaction of the closing conditions in the Merger Agreement, the closing of the Merger is expected to occur in mid-2025.

 In connection with the proposed merger, Spirit and Boeing have each received a request for additional information ("second request") from the Federal Trade Commission as part of the regulatory review process under the HSR Act. The second request extends the waiting period imposed by the HSR Act until 30 days after Spirit and Boeing have substantially complied with the requests or the waiting period is terminated sooner by the Federal Trade Commission.

 Other than transaction expenses associated with the Merger of $66.0 million for the year ended December 31, 2024, recorded within Selling, general and administrative expense in our Consolidated Statements of Operations, the Merger Agreement did not affect the Company's consolidated financial statements for the year ended December 31, 2024.

 Airbus Term Sheet

 Spirit and Airbus entered into the Airbus Term Sheet on June 30, 2024. The Airbus Term Sheet is a binding term sheet under which the parties have agreed to negotiate in good faith definitive agreements (the "Definitive Agreements"), including a purchase agreement, providing for the acquisition by Airbus or its affiliates of the Spirit Airbus Business on the terms set forth in the Airbus Term Sheet with the goal of permitting Boeing and Holdings to consummate the Merger prior to the Outside Date. The Airbus Term Sheet provides that the execution of the Definitive Agreements will be subject to and conditioned upon the completion to the satisfaction of Airbus of its due diligence. The Airbus Term Sheet contemplates that specified portions of the Spirit Airbus Business, such as the portion of the Spirit Airbus Business in Prestwick, Scotland (the "Airbus Prestwick Business"), may, instead of being acquired by Airbus or its affiliates, be acquired by one or more third parties.

 Under the transaction terms set forth in the Airbus Term Sheet, Airbus would acquire from Spirit and its subsidiaries the Spirit Airbus Business, excluding any portions thereof to be acquired by third parties, and cash in the amount of $559.0 million

 (subject to downward adjustment if the acquisition by Airbus includes the Airbus Prestwick Business) for nominal consideration of one dollar, subject to working capital and other purchase price adjustments and additional adjustments, to be agreed between the parties prior to execution and delivery of the Definitive Agreements, to reflect the fair market value of specified assets of the Spirit Airbus Business to the extent they are to be acquired by Airbus rather than third parties.

 The transaction terms set forth in the Airbus Term Sheet include provisions for, among other things, the payment in full by Spirit to Airbus of any loans, advance payments, similar arrangements and undisputed liquidated damages owing from Spirit to Airbus (the "Outstanding Amounts") as of the closing of the transactions contemplated by the Airbus Term Sheet (the "Airbus Transactions," and such closing, the "Airbus Closing"), with any disputed liquidated damages to be resolved and paid in accordance with a mutually agreed dispute resolution process; transitional arrangements with respect to specified real estate; obtaining third-party consents; segregation of Spirit's business conducted primarily for the benefit of Airbus from the remainder of Spirit's business and treatment of vendor and supply contracts, employees, intellectual property, pensions and unfunded employee liabilities in connection with the separation of those portions of Spirit's business; mutual indemnification and releases; inclusion in the Definitive Agreements of customary representations, warranties and covenants; and transitional and other arrangements to be entered into by the parties at the Airbus Closing.

 Under the transaction terms set forth in the Airbus Term Sheet, the Airbus Closing would be conditioned upon the receipt of applicable governmental and regulatory consents, approvals and clearances; the absence of any order, legal prohibition or injunction preventing the consummation of the Airbus Transactions; compliance by the parties with their pre-closing covenants in all material respects; payment in full of the Outstanding Amounts; the closing under the Merger Agreement occurring substantially concurrently with the Airbus Transactions; there being no material adverse change after the date of the Definitive Agreements and before the Airbus Closing in the business operations to be acquired by Airbus at the Airbus Closing; and Spirit's implementation in all material respects of technical measures and policies to protect confidential data of Airbus.

 The Airbus Term Sheet provides that no binding agreement has been made with respect to the French aspects of the Airbus Transactions ("Airbus French Transactions"). Prior to the Company and Airbus entering into definitive agreements that are applicable to the Airbus French Transactions, Spirit and Airbus have agreed to comply with their respective information and consultation obligations with applicable employees and employee representatives. The Airbus Term Sheet also provides that the parties will complete necessary labor consultations and obtain necessary approvals from applicable unions and works councils in various jurisdictions, as may be legally required.

 Assets Held for Sale

 On November 17, 2024, the Company entered into a definitive agreement to sell our Fiber Materials, Inc. ("FMI") business, a fully owned subsidiary of Spirit AeroSystems, Inc., for $165.0 million, subject to customary purchase price adjustments and closing conditions as set forth in the definitive agreement. The transaction closed on January 13, 2025. For additional information, see Note 30 Acquisitions and Dispositions.

 B737 Program

 The B737 MAX program is a critical program to the Company. For the twelve months ended December 31, 2024, 2023, and 2022 approximately 39%, 45%, and 45% of our net revenues, respectively, were generated from sales of components to Boeing for the B737 aircraft, as compared to 53% for the twelve months ended December 31, 2019, which was the most recent period to exclude impacts from the MAX grounding and the global pandemic crises. While we have entered into long-term supply agreements with Boeing to continue to provide components for the B737 for the life of the aircraft program, including commercial and military P-8 derivatives, Boeing does not have any obligation to purchase components from us for any replacement for the B737 that is not a commercial derivative model as defined by the Special Business Provisions and the General Terms Agreement (collectively, the "Sustaining Agreement") between Spirit and Boeing. The Sustaining Agreement is a requirements contract and Boeing can reduce the purchase volume at any time.

 In March 2019, the B737 MAX fleet was grounded in the U.S. and internationally following the 2018 and 2019 accidents involving two B737 MAX aircraft. In November 2020, the FAA issued an order rescinding the grounding of the B737 MAX and published an Airworthiness Directive specifying design changes to be made before the aircraft returned to service. Boeing's deliveries of the B737 MAX resumed in the fourth quarter of 2020. Since November 2020, regulators from Brazil, Canada, China, the EU, U.K., India, and other countries have taken similar actions to unground the B737 MAX and permit return to service. During the twelve months ended December 31, 2024, Boeing continued to announce orders for the B737 MAX.

 We expect that the B737 MAX and other narrowbody production rates will recover to pre-pandemic levels before widebody production rates. For additional information, see Item 1A, "Risk Factors".

 The 737 MAX 7 and MAX 10 models are currently going through Federal Aviation Administration ("FAA") certification activities. In December 2022, an extension for certification of these two models to December 31, 2024 was granted when the U.S. Congress passed the Fiscal Year 2023 Omnibus Appropriations Bill. In early 2024, Boeing communicated that it has pledged to develop new engine inlets for the B737 MAX to rectify overheating issues observed with the current engine inlets when the anti-ice system is activated under specific conditions. Boeing anticipates this activity will be completed in approximately one year. If Boeing is unable to achieve certification of these models or the entry into service is inconsistent with current assumptions, future revenues, earnings and cash flows are likely to be adversely impacted.

 The B737 MAX 9 derivative fleet was temporarily grounded by the FAA while certain safety inspections were completed and to allow the FAA time to review any required maintenance actions following the January 5, 2024 in-flight incident on a B737 MAX 9 aircraft flown by Alaska Airlines. The B737 MAX 9 fleet returned to service on January 26, 2024 after mandatory inspections were completed. We are participating in investigations relating to this incident. For additional information, see Note 23 Commitments, Contingencies and Guarantees.

 Certain changes made to the production and delivery process implemented by Boeing have had an immediate impact to our results of operations and cash flows. On March 2, 2024, Boeing announced they would no longer accept deliveries of product that required out of sequence assembly or incremental quality re-work. A new product verification process has been implemented by Boeing at our factory in Wichita, KS.

 B787 Program

 During the year ended December 31, 2022, our estimates for further production rate decreases and build schedule changes, supply chain costs, and other costs, including costs of rework, drove additional forward loss charges of $93.5 million. During the year ended December 31, 2023, our estimates related to the impact of the IAM agreement, additional labor and supply chain cost growth drove additional forward loss charges of $93.0 million recognized through the quarter ended September 29, 2023. On October 12, 2023, we executed a Memorandum of Agreement with Boeing (the "2023 MOA"), where among other items, we established recurring shipset price increases effective for line unit 1164 through line unit 1605 with a mutual goal of concluding good faith pricing negotiations, other interests and considerations 12 months prior to the delivery of line unit 1605. As a result, we reversed previously recognized forward loss charges of $205.6 million and also reversed a previously recognized material right obligation of $154.6 million in the quarter ended December 31, 2023. During the year ended December 31, 2024, our updated estimates drove an additional $483.3 million of forward loss primarily related to schedule changes, additional labor and supply chain cost growth. Additional production rate changes, changes in cost assessments, claims, labor work stoppages, supply chain cost changes, or changes to the scope of quality issues and any associated rework, could result in an incremental loss provision.

 Airbus Programs

 During the year ended December 31, 2022, the A350 program recorded additional forward loss charges of $105.7 million driven by estimated quality-related costs, non-recurring engineering and tooling costs, and additional labor, freight, and other cost requirements driven by parts shortages, production and quality issues, and customer production rate changes. The A350 program recorded additional forward loss charges of $121.3 million for the year ended December 31, 2023, driven by labor and production cost growth, higher supply chain costs and schedule revisions. For the year ended December 31, 2024, our updated estimates drove $359.2 million of incremental estimated forward loss on the A350 program, driven primarily by a change in strategic pricing conversations with our customer, Airbus, incremental orders Airbus secured, and the impact of factory performance and supply chain cost growth.

 During the year ended December 31, 2022, the A220 wing program recorded forward loss charges of $25 million primarily related to the bankruptcy of a supplier and associated failure to deliver key parts on the program. The A220 program recorded additional forward losses of $164.8 million for the year ended December 31, 2023, primarily related to higher production, labor and supply chain costs. During the year ended December 31, 2024, our updated estimates drove $328.8 million of incremental estimated forward loss on the A220 program, driven by a change in strategic pricing conversations with our customer, Airbus, incremental orders Airbus secured, schedule changes, and increased production and supply chain costs.

 Critical Accounting Estimates

 The preparation of the Company's financial statements in accordance with accounting principles generally accepted in the U.S. ("GAAP") requires management to use estimates and assumptions. The results of these estimates form the basis for making judgments that may affect the reported amounts of assets and liabilities, including the impacts of contingent assets and liabilities, and the reported amounts of revenue and expenses during the reporting period. On an ongoing basis, we evaluate our estimates, including those related to inventory, revenue, income taxes, financing obligations, warranties, pensions and other post-retirement benefits, and contingencies and litigation. We base our estimates on historical experience and on various other assumptions that we believe to be reasonable under the circumstances, the results of which form the basis for making judgments about the carrying values of assets and liabilities that are not readily apparent from other sources. Management believes that the quality and reasonableness of our most critical accounting policies enable the fair presentation of our financial position and results of operations. However, the sensitivity of financial statements to these methods, assumptions, and estimates could create materially different results under different conditions or using different assumptions. We believe application of these policies requires difficult, subjective, and complex judgments to estimate the effect of inherent uncertainties. This section should be read in conjunction with Note 4 to the Consolidated Financial Statements, Summary of Significant Accounting Policies.

 Revenues and Profit Recognition

 Revenue is recognized using the principles of ASC 606 ("ASC 606"), Revenue from contracts with customers. Revenue is recognized when, or as, control of promised products or services transfers to a customer, and the amount recognized reflects the consideration that the Company expects to receive in exchange for those products or services. See Note 4 to the Consolidated Financial Statements, Summary of Significant Accounting Policies, for a further description of revenue recognition under ASC 606. In determining our profits and losses in accordance with this method, we are required to make significant judgments regarding our future costs, variable elements of revenue, the standalone selling price, and other variables. We continually review and update our assumptions based on market trends and our most recent experience. If we make material changes to our assumptions, we may have positive or negative cumulative catch-up adjustments related to revenues previously recognized, and in some cases, we may adjust forward loss reserves. When we experience abnormal production costs such as excess capacity costs the Company expenses the excess costs in the period incurred and reports as segment costs of goods sold. These excess costs (actual and estimated future costs) are excluded from the estimates at completion of our accounting contracts with customers. For a broader description of the various types of risks we face related to new and maturing programs, see Item 1A. "Risk Factors".

 Business Combinations and Goodwill

 We account for business combinations in accordance with ASC Topic 805, Business Combinations. Transaction costs related to business combinations are expensed as incurred. Assets acquired and liabilities assumed are measured and recognized based on their estimated fair values at the acquisition date, any excess of the purchase consideration when compared to the fair value of the net tangible and intangible assets acquired is recorded as goodwill. For material acquisitions, we have engaged independent advisory consultants to assist us with determining the fair value of assets acquired, including goodwill, and liabilities assumed based on established business valuation methodologies. Determining the fair value of assets acquired and liabilities assumed requires significant judgment, including the amount and timing of expected future cash flows, long-term growth rates and discount rates. In some cases, the Company used discounted cash flow analyses, which were based on our best estimate of future sales, earnings and cash flows after considering such factors as general market conditions, customer budgets, existing firm and future orders, changes in working capital, long term business plans and recent operating performance. Use of different estimates and judgments could yield materially different results. If the initial accounting for the business combination is incomplete by the end of the reporting period in which the acquisition occurs, the business combination is recorded and disclosed on a preliminary basis. Subsequent to the acquisition date, and not later than one year from the acquisition date, adjustments to the initial preliminary recognized amounts are recorded to the extent new information is obtained about the measurement of assets and liabilities that existed as of the date of the acquisition.

 The Company assesses goodwill for impairment annually as of the first day of the fourth quarter or more frequently if events or circumstances indicate that the fair value of a reporting unit that includes goodwill may be lower than its carrying value. We test goodwill for impairment by performing a qualitative assessment or quantitative test at the reporting unit level. In performing a qualitative assessment, we evaluate company-specific, market and industry, economic, and other relevant factors that may impact the fair value of our reporting units or the carrying value of the net assets of the respective reporting unit. If we determine that it is more likely than not that the carrying value of the net assets is more than the fair value of the respective reporting unit, then a quantitative test is performed, unless we exercise our option to bypass the qualitative assessment and proceed directly to performing the quantitative goodwill impairment test. Where the quantitative test is used, we compare the carrying value of net assets to the estimated fair value of the respective reporting unit. If the fair value is determined to be less

 than carrying value, a goodwill impairment loss is recognized for the amount that the carrying amount of the reporting unit, including goodwill, exceeds its fair value, limited to the total amount of goodwill allocated to that reporting unit.

 As of September 27, 2024 the balance of goodwill was $631.1 million. The goodwill primarily represents the purchase price in excess of the fair value of the net assets acquired and liabilities assumed in connection with the acquisition of Fiber Materials Inc. ("FMI") in the first quarter of 2020, the completion of the acquisition of the outstanding equity of Short Brothers plc ("Shorts") and Bombardier Aerospace North Africa SAS ("BANA"), and substantially all the assets of the maintenance, repair and overhaul business in Dallas, Texas (collectively, the "Bombardier Acquired Businesses"), along with the assumption of certain liabilities of Shorts and BANA (the "Bombardier Acquisition") in the fourth quarter of 2020 and the acquisition of the assets of Applied Aerodynamics, Inc. during the three months ended July 1, 2021. There was no impairment of goodwill for the years ended December 31, 2024 or December 31, 2023. For the year ended December 31, 2024, in accordance with our annual assessment policy, we exercised our option to bypass the qualitative assessment and proceeded directly to performing the quantitative goodwill impairment test as of the beginning of the fourth quarter. Management concluded through the quantitative assessment that the fair value of each of our reporting units substantially exceeded the respective carrying value for each reporting unit, and therefore, no impairment existed as of the annual assessment date during the fourth quarter of 2024.

 The quantitative goodwill impairment test requires significant use of judgment and assumptions, such as the identification of reporting units, the assignment of assets and liabilities to reporting units, and the determination of fair value of the reporting units. We applied what we believe to be the appropriate valuation methodology for our reporting units to determine the respective fair values, which included a combination of an income approach, derived from discounted cash flows, and a market approach, using the guideline public company method. The principal assumptions utilized in the income approach included management's estimated pro forma financial information, including management's best and most current estimates of the timing and level of production volumes and estimated future margins, long-term growth rates and discount rate. The principal assumptions utilized in the market approach included management's pro forma financial information and selected market multiples. We believe the assumptions and estimates made were reasonable and appropriate. The assumptions were based on our most recent experience, our contractual backlog, and market trends, including projected long-term inflation rate, GDP growth for the U.S. and the long-term growth expectations of the aerospace industry. Margin assumptions include management's best and most current estimates of the potential impacts of continued cost pressures related to labor, inflation and supply chain challenges that have been realized in year 2024, as noted in the Global Economic Conditions section above. We determined the discount rate for each of our reporting units using a weighted average cost of capital adjusted for risk factors including risk associated with 737 MAX production growth assumptions, and other industry-specific, market-based and economic factors. Based on the results of our assessment, management believes that the amount of excess fair value over the carrying value of each of our reporting units is sufficient to remain through a range of scenarios that are considered by management to be reasonably likely to occur, however, the variability of the factors used in our assessment depends on a number of conditions, and actual results and forecasts of revenue growth and margins for our reporting units may be impacted by industry, market and business risks and uncertainties including those identified in Item 1A. "Risk Factors". If such factors impact our ability to achieve forecasted revenue growth rates and margins, the fair value of one or more of our reporting units could decrease, which, if significant, may result in an impairment.

 Pension

 Many of our employees have earned benefits under the defined benefit pension plans. Effective as of December 31, 2005, we had one qualified plan and one nonqualified plan providing supplemental benefits to executives who transferred from a Boeing nonqualified plan to a Spirit plan and elected to keep their benefits in this plan. Both plans are frozen as of the date of the Boeing Acquisition (i.e., no future service benefits are being earned in these plans). The Company intends to fund its qualified pension plan through a trust. Pension assets are placed in trust solely for the benefit of the pension plans' participants and are structured to maintain liquidity that is sufficient to pay benefit obligations. Effective October 1, 2021, the Company spun off a portion of the existing Pension Value Plan ("PVP A"), called PVP B. As part of the PVP B plan termination process, a lump sum offering was provided during 2021 for PVP B participants and the final asset distribution was completed in the first quarter of 2022.

 Additionally, in the twelve months ended December 31, 2022 the Company adopted and communicated to participants a plan to terminate the PVP A. During the twelve months ended December 31, 2022, the PVP A plan was amended, providing for an enhancement to benefits the Company is providing to certain U.S. employees in conjunction with the plan termination. The estimated liability impact of this plan amendment, $ 0.0 million, was recognized immediately as a non-cash, pre-tax non-operating charge for amortization of prior service costs. The Company recognized additional non-cash, pre-tax non-operating accounting charges of $ 34.7 million related to the plan termination, primarily reflecting the accounting for bulk lump-sum payments made in the fourth quarter of 2022, which resulted in a settlement charge related to the accelerated recognition of the

 actuarial losses for the PVP A plan that were previously included in the Accumulated other comprehensive loss line item in the Stockholders' Equity section of the Company's Balance Sheet.

 In the fourth quarter of 2023, the Company applied final settlement accounting to the PVP A. During 2023, the Company received excess plan asset reversion of $188.5 million of cash from PVP A. This transaction was accounted for as a negative contribution, and is included on the Pension plans employer contributions line item on the Consolidated Statements of Cash Flows for the year ended December 31, 2023. Excise tax of $37.7 million related to the reversion of excess plan assets was separately recorded to the Other expense, net line item on the Consolidated Statements of Operations for the year ended December 31, 2023. See also Note 24 Other Expense, net to our consolidated financial statements included in Item 8 of this Annual Report for more information. At December 31, 2023 and 2022, an excess pension plan asset reversion of $61.1 million and $71.1 million is recorded on the Restricted plan assets line item on the Company's Consolidated Balance Sheets. Restricted plan assets are expected to be reduced over five years as they are distributed to employees under a qualified benefit program.

 In 2006, as part of the acquisition of BAE Aerostructures, the Company established a U.K. defined benefit pension plan for those employees based in Prestwick that had pension benefits remaining in BAE Systems' pension plan. Effective December 31, 2013, this Prestwick pension plan was closed and benefits were frozen and thereafter subject only to statutory pension revaluation.

 On October 30, 2020, as part of the Bombardier Acquisition, the Company acquired two further defined benefit plans for current and former employees at the Belfast location. As of December 31, 2021, the Company had concluded its consultation and communication with employee and Trade Union representatives on the closure of the largest of the defined benefit plans acquired as part of the Bombardier Acquisition, the Shorts Pension (as defined below). The outcome is that the Shorts Pension was amended and closed to the future accrual of benefits for all employees who are members of the plan, effective December 10, 2021. From December 11, 2021, affected employees will build up future retirement savings in a new defined contribution scheme. For the twelve months ended December 31, 2021, the impact of the closure of the Shorts Pension resulted in a curtailment gain of $ 61.0 million. The remaining plan is closed to new hires and the future accrual of benefits, as the final employees accruing service in the plan left Company employment. See Note 18, Pension and Other Post-Retirement Benefits for more information. In accordance with legislation, each of the U.K. plans and their assets are managed by independent trustee companies.

 Accounting guidance requires an annual measurement of our projected obligation and plan assets. These measurements are based upon several assumptions, including the discount rate and the expected long-term rate of asset return. Future changes in assumptions or differences between actual and expected outcomes can significantly affect our future annual expense, projected benefit obligation and shareholders' equity. The projected benefit obligation and net periodic pension cost are sensitive to discount rates. The projected benefit obligation would decrease by $54.5 million or increase by $58.0 million if the discount rate increased or decreased by 25 basis points. The 2023 net periodic pension cost would increase by $1.0 million or decrease by $1.1 million if the discount rate increased or decreased by 25 basis points at each applicable measurement date. Additionally, net periodic pension cost is also sensitive to changes in the expected long-term rate of asset return. A decrease or increase of 25 basis points in the expected long-term rate of asset return would have increased or decreased 2023 net periodic pension cost by $3.7 million.

 For additional information, see Item 1A. "Risk Factors". We could be required to make future contributions to our defined benefit pension and post-retirement benefit plans as a result of adverse changes in interest rates and the capital markets. Adverse changes in the securities markets or interest rates, changes in actuarial assumptions, and legislative or other regulatory actions could substantially increase the costs of these plans and could result in a requirement to contribute additional funds to the plans.

 Income Taxes

 Income taxes are accounted for in accordance with Financial Accounting Standards Board ("FASB") authoritative guidance on accounting for income taxes. Deferred income tax assets and liabilities are recognized for the future income tax consequences attributable to differences between the financial statement carrying amounts for existing assets and liabilities and their respective tax bases. Tax rate changes impacting these assets and liabilities are recognized in the period during which the rate change occurs.

 Deferred tax assets are periodically evaluated to determine their recoverability and whether or not a valuation allowance is necessary. A valuation allowance, if needed, reduces deferred tax assets to the amount expected to be realized. When determining the amount of net deferred tax assets that are more likely than not to be realized, we assess all available positive

 and negative evidence. The weight given to the positive and negative evidence is commensurate with the extent to which the evidence may be objectively verified.

 This assessment is completed on a taxing jurisdiction and entity filing basis. Based on these criteria and the relative weighting of both the positive and negative evidence available, and in particular the activity surrounding the Company's prior earnings history including the forward losses previously recognized in the U.S. and U.K., management determined that it was necessary to establish a valuation allowance against nearly all of its net U.S. and U.K. deferred tax assets at December 31, 2020. This determination was made as the Company entered into a U.S. cumulative loss position during the first half of 2021, as prior period positive earnings fall outside of the three-year measurement period. Additionally, all entities of the U.K. operations are in cumulative loss positions after the inclusion of 2023, 2022, and 2021 losses. Once a company anticipates or enters a cumulative three-year loss position, there is a presumption that a company should no longer rely solely on projected future income in determining whether the deferred tax asset is more likely than not to be realized.

 We record income tax provision or benefit based on the pre-tax income earned or net loss incurred in each tax jurisdiction and the tax rate applicable to that income or loss. In the ordinary course of business, there are transactions for which the ultimate tax outcome is uncertain. These uncertainties are accounted for in accordance with FASB authoritative guidance on accounting for the uncertainty in income taxes. The final tax outcome for these matters may be different than management's original estimates made in determining the income tax provision. A change to these estimates could impact the effective tax rate and net income or loss in subsequent periods. We use the flow-through accounting method for tax credits. Under this method, tax credits reduce income tax expense. See Note 21 to the Consolidated Financial Statements, Income Taxes, for further discussion.

 Results of Operations

 The following table sets forth, for the periods indicated, certain of our operating data:

 Twelve Months Ended

 December 31, 2024 (1)

 December 31, 2023 (1)(2)

 December 31, 2022 (2)

 $
 $
 $

 7,689.0
 5,841.7
 4,981.0

 Gross loss
 (1,372.4)
 206.2
 48.6

 365.5
 281.9
 279.2

 0.7
 7.2
 0.2

 47.5
 45.4
 50.4

 Other operating expense

 —
 5.9
 —

 Operating loss
 (1,786.1)
 (134.2)
 (281.2)

 (353.5)
 (244.1)

 (2.0)
 (14.1)

 Loss before income taxes and equity in net income (loss) of affiliates
 (2,141.6)
 (593.3)
 (539.4)

 Income tax benefit (provision)
 2.4
 (22.5)
 (5.2)

 Loss before equity in net income (loss) of affiliates
 (2,139.2)
 (615.8)
 (544.6)

 Equity in net income (loss) of affiliates
 0.2
 (0.3)
 (1.6)

 $
 (2,139.0)
 $
 (616.1)
 $
 (546.2)

 Less noncontrolling interest in earnings of subsidiary
 (0.8)
 (0.1)
 0.5

 Net loss attributable to common shareholders
 $
 (2,139.8)
 $
 (616.2)
 $
 (545.7)

 (1)See "Twelve Months Ended December 31, 2024 as Compared to Twelve Months Ended December 31, 2023" for detailed discussion of operating data.
 (2)See "Twelve Months Ended December 31, 2023 as Compared to Twelve Months Ended December 31, 2022" for detailed discussion of operating data.

 Comparative shipset deliveries by model are as follows:

 Twelve Months Ended

 Model
2024
2023
2022

 B737

 B747
 —
 —

 B767

 B777

 B787

 Total Boeing

 A220 (1)

 A320 Family

 A330

 A350

 Total Airbus

 Total Business/Regional Jets

 Total
 1,432
 1,418
 1,297

 (1)Beginning in 2022, A220 deliveries reflect the number of wing end item deliveries instead of pylon end item deliveries, as previously reported.

 For purposes of measuring production or shipset deliveries for Boeing aircraft in a given period, the term "shipset" refers to sets of structural fuselage components produced or delivered for one aircraft in such period. For purposes of measuring production or shipset deliveries for Airbus A220 aircraft in a given period, the term "shipset" refers to sets of structural wing components produced or delivered for one aircraft in such period. For purposes of measuring production or shipset deliveries for all other Airbus and Business/Regional Jet aircraft in a given period, the term "shipset" refers to all structural aircraft components produced or delivered for one aircraft in such period. Other components that are part of the same aircraft shipsets could be produced or shipped in earlier or later accounting periods than the components used to measure production or shipset deliveries, which may result in slight variations in production or delivery quantities of the various shipset components in any given period.

 Net revenues by prime customer are as follows:

 Twelve Months Ended

 Prime Customer
2024
2023
2022

 Boeing
 $
 3,693.1
 $
 3,847.1
 $
 3,008.9

 Airbus
 1,334.9
 1,144.6
 1,098.2

 Other
 1,288.6
 1,056.2
 922.5

 Total net revenues
 $
 $
 $

 Changes in Estimates

 During the twelve months ended December 31, 2024, we recognized unfavorable change in estimates of $1,428.6 million, including forward loss charges of $1,366.2 million and unfavorable cumulative catch-up adjustments of $62.4 million. The forward loss charges were primarily driven by current production performance, and supply chain cost growth on the A350 and A220 programs, additional labor and supply chain cost growth on the B787 program, increased costs related to factory performance on the B767 program and supply chain cost estimates on the KC-135 program. Unfavorable cumulative catch-up adjustments were primarily driven by increased production costs associated with changes implemented by Boeing in March 2024 to introduce a new product verification process in Wichita, KS on the B737 program. These were partially offset by favorable cumulative catch-up adjustment in Defense & Space. This change in business process for the B737 units has delayed

 delivery acceptances and caused a buildup of undelivered units in Wichita, KS. Additionally, we are maintaining a higher cost profile for a planned rate increase that has now been delayed because of the production rate limitations on the B737 program.

 During the twelve months ended December 31, 2023, we recognized unfavorable changes in estimates of $320.9 million, including forward loss charges of $470.3 million and unfavorable cumulative catch-up adjustments of $56.2 million, partially offset by a reversal of forward loss charges of ($205.6) million on the B787 resulting from the execution of the Memorandum of Agreement signed on October 12, 2023 with Boeing (the "2023 MOA"), resulting in a net $264.7 million of forward loss charges in 2023. The forward loss charges were primarily driven by labor and production cost growth, higher supply chain costs, and schedule revisions on the A350 program and additional labor, the impact of the IAM agreement and supply chain cost growth on the B787 program, increased factory performance and supply chain costs on the B767, higher production, labor and supply chain costs on the A220 program, and production costs incurred including the impact of the IAM agreement on the Sikorsky CH-53K program. Unfavorable cumulative catch-up adjustments were primarily recognized on the B737 MAX and A320 programs. The Boeing B737 MAX program unfavorable cumulative catch-up adjustment reflects increased supply chain, raw material, factory performance and other costs on the program including the impact of the IAM union negotiations. The A320 program unfavorable cumulative catch-up adjustment was driven by production cost overruns experienced due to operational and supply chain disruptions, and foreign currency movements.

 During the twelve months ended December 31, 2022, we recognized unfavorable changes in estimates of $278.0 million primarily driven by the impact of reduced production volumes on the B787 and A350 programs and the corresponding amount of fixed overhead absorption applied to lower deliveries, engineering analysis and estimated costs of rework on the B787 program, estimated quality improvement costs on the A350 program, and cost performance on the B767 program.

 Twelve Months Ended December 31, 2024 as Compared to Twelve Months Ended December 31, 2023

 Net Revenues. Net revenues for the twelve months ended December 31, 2024 were $6,316.6 million, an increase of $268.7 million, or 4.4%, compared with net revenues of $6,047.9 million, for the prior year. The increase in revenue was primarily driven by increased Commercial segment production on the B777, A350, and A320 programs. The remaining increase was primarily due to greater Defense segment revenues on classified programs and CH-53K and greater Aftermarket sales. These increases were partially offset by decreases in revenue on the B737, B767, B787, and business jet programs in the Commercial segment and decreased P-8 and KC-46 Tanker sales in the Defense segment. The B787 revenues were lower as compared to prior year despite higher current year deliveries due to the reversal in 2023 of a previously recognized material right obligation of $154.6 million as a result of the 2023 MOA with Boeing. Additionally, we recognized non-recurring revenues on the FLRAA program associated with Spirit's closeout of the program. Approximately 80% of the Company's net revenues in 2024 came from our two largest customers, Boeing and Airbus.

 Deliveries to Boeing decreased 81 shipsets to 376 shipsets during the twelve months ended December 31, 2024, compared to 457 shipsets delivered in the prior year. The decrease was primarily driven by 88 fewer B737 MAX deliveries resulting from delivery delays caused by increased quality and final inspection measures undertaken by Boeing partially offset by higher deliveries on twin aisle programs, particularly the B787 program, which included 19 more deliveries. Deliveries to Airbus increased to 825 shipsets during the twelve months ended December 31, 2024, compared to 725 shipsets delivered in the prior year. The increase of 100 shipset was primarily driven by 75 more deliveries on the A320 program along with increases on every Airbus program. Production deliveries of business/regional jet wing and wing components decreased to 231 shipsets during the twelve months ended December 31, 2024, compared to 236 shipsets delivered in the prior year.

 Gross Profit (Loss). Gross loss for the twelve months ended December 31, 2024 was ($1,372.4) million, as compared to a gross profit of $206.2 million for the same period in the prior year, a decrease in gross profit of $1,578.6 million. The decrease in gross profit was primarily driven by Commercial segment results, which included a reduction in gross profit on the lower B737 MAX production revenue and greater forward loss charges on the B787, B767, A350 and A220 programs. Additionally, 2024 results exclude the favorable adjustments related to the 2023 MOA that included forward loss reversals of $205.6 million and material right obligation liability reversal of $154.6 million that increased margin in 2023. The Commercial segment also includes margin deterioration on the B777 and A320 programs. Increased gross profit in the Defense segment was driven by the impact of additional revenues from higher activity on development programs, higher production on the Sikorsky CH-53K and progress on classified programs partially offset by forward losses recorded on the KC-46 Tanker and KC-135 programs, and decreased deliveries of P-8 units under the Boeing B737 program. Lower profit in our Aftermarket segment was driven by the increased spares sales which have lower margins. The variance in profit from the prior year period also includes the impact of higher excess capacity costs in both the Commercial and Defense segments. In the twelve months ended December 31, 2024, we recognized $196.5 million of excess capacity production costs driven by production schedule changes on B737 MAX and A220 programs, and $0.7 million of restructuring costs, compared to prior year excess capacity cost of $184.1 million, $8.3 million related to the temporary production pause during the strike and related contract negotiation of employees represented by

 the International Association of Machinists and Aerospace Workers ("IAM"), and $7.2 million of restructuring costs. In the twelve months ended December 31, 2024, we recognized $62.4 million of unfavorable cumulative catch-up adjustments related to periods prior to the twelve months ended December 31, 2024, and $1,366.2 million of net forward loss charges. In the twelve months ended December 31, 2023, we recorded $56.2 million of unfavorable cumulative catch-up adjustments related to periods prior to the twelve months ended December 31, 2023, and $264.7 million of net forward loss charges.

 SG&A and Research and Development. SG&A expense was $83.6 million higher for the twelve months ended December 31, 2024, compared to the same period in the prior year, primarily due to increased purchased services for merger related activities of $66.0 million and certain employee retention-related expenditures outlined in the Merger Agreement of $21.5 million. Research and development expense for the twelve months ended December 31, 2024 was $2.1 million higher as compared to the same period in the prior year.

 Restructuring Costs. Restructuring costs were $6.5 million lower for the twelve months ended December 31, 2024, compared to the same period in the prior year. The variance is primarily driven by the results of the voluntary separation program activity in the prior year.

 Operating Loss. Operating loss for the twelve months ended December 31, 2024 was $1,786.1 million, an increase in loss of $1,651.9 million, compared to operating loss of $134.2 million for the prior year. The increased loss was primarily driven by higher unfavorable changes in estimates in the current year and increased SG&A expenses related to the merger.

 Interest Expense and Financing Fee Amortization. Interest expense and financing fee amortization for the twelve months ended December 31, 2024 increased by $34.8 million as compared to the prior year. Current year interest expense and financing fee amortization included $325.9 million of interest and fees paid or accrued in connection with long-term debt and $19.9 million in amortization of deferred financing costs and original issue discount compared to $279.6 million of interest and fees paid or accrued in connection with long-term debt and $11.6 million in amortization of deferred financing costs and original issue discount for the prior year. Additionally, a loss on extinguishment of debt of $17.3 million was recorded in twelve months ended December 31, 2023 related to the extinguishment of the 2025 Notes. The increase in interest expense for the current year was driven by the higher interest rate on the Second Lien 2030 Notes compared to the refinanced Second Lien 2025 Notes, the addition of the Exchangeable Senior Notes, and the addition of the Bridge Credit Agreement.

 Other Expense, net. Other expense for the twelve months ended December 31, 2024 was $2.0 million, compared to other expense of $140.4 million for the same period in the prior year. The $138.4 million decrease in other expense primarily reflects net foreign exchange gains of $9.6 million in the current year, compared to a loss of $13.9 million in the prior year, excise tax of $0.3 million in the current year related to a pension plan net assets reversion (see Note 18 Pension and Other Post-Retirement Benefits), as compared to $37.7 million of excise taxes in the prior year also related to a reversion, loss on sale of receivables of $48.0 million in the current year as compared to $52.4 million of loss in the prior year, and net pension related income in the current year of $15.3 million compared to net pension related expense of $52.0 million in the prior year. The respective pension income/expense values are separately driven by special accounting impacts related to pension plan termination activities that were respectively undertaken in each period. See also Note 18 Pension and Other Post-Retirement Benefits.

 Benefit (Provision) for Income Taxes. The income tax benefit for the twelve months ended December 31, 2024, was $2.4 million compared to an expense of $22.5 million for the prior year. The 2024 effective tax rate was 0.1% as compared to (3.8%) for 2023. The difference in the effective tax rate recorded for 2024 as compared to 2023 is due to tax expense previously stranded in OCI that was recognized in 2023 due to the termination of the pension.

 Merger Agreement. Other than transaction expenses associated with the Merger of $66.0 million recorded within Selling, general and administrative expense in our Consolidated Statements of Operations, the Merger Agreement did not affect the Company's consolidated financial statements for the year ended December 31, 2024.

 Segments. The following tables show segment revenues, segment gross profit and segment operating income for the twelve months ended December 31, 2024 and 2023:

 Twelve Months Ended December 31, 2024

 $
 4,927.4
 $
 975.2
 $
 414.0
 $
 —
 $

 (6,263.3)
 (870.5)
 (358.7)
 —
 (7,492.5)

 (186.5)
 (10.0)
 —
 —
 (196.5)

 Segment gross (loss) profit
 $
 (1,522.4)
 $
 94.7
 $
 55.3
 $
 —
 $
 (1,372.4)

 (0.7)
 —
 —
 —
 (0.7)

 Segment operating (loss) income (1)

 $
 (1,523.1)
 $
 94.7
 $
 55.3
 $
 —
 $
 (1,373.1)

 —
 —
 —
 (365.5)
 (365.5)

 —
 —
 —
 (47.5)
 (47.5)

 Operating (loss) income
 $
 (1,523.1)
 $
 94.7
 $
 55.3
 $
 (413.0)
 $
 (1,786.1)

 —
 —
 —
 (353.5)
 (353.5)

 —
 —
 —
 (2.0)
 (2.0)

 (Loss) income before income taxes and equity in net income of affiliates
 $
 (1,523.1)
 $
 94.7
 $
 55.3
 $
 (768.5)
 $
 (2,141.6)

 Twelve Months Ended December 31, 2023

 $
 4,885.0
 $
 789.0
 $
 373.9
 $
 —
 $

 (4,627.3)
 (736.4)
 (293.9)
 —
 (5,657.6)

 (177.3)
 (6.8)
 —
 —
 (184.1)

 Segment gross profit
 $
 80.4
 $
 45.8
 $
 80.0
 $
 —
 $
 206.2

 (6.3)
 (0.9)
 —
 —
 (7.2)

 Other operating (expense) income (2)

 (8.1)
 (0.2)
 2.4
 —
 (5.9)

 Segment operating income (1)

 $
 66.0
 $
 44.7
 $
 82.4
 $
 —
 $
 193.1

 —
 —
 —
 (281.9)
 (281.9)

 —
 —
 —
 (45.4)
 (45.4)

 Operating income (loss)
 $
 66.0
 $
 44.7
 $
 82.4
 $
 (327.3)
 $
 (134.2)

 —
 —
 —

 —
 —
 —

 Income (loss) before income taxes and equity in net loss of affiliates
 $
 66.0
 $
 44.7
 $
 82.4
 $
 (786.4)
 $
 (593.3)

 (1)Inclusive of forward losses, changes in estimate on loss programs and cumulative catch-up adjustments. These changes in estimates for the periods ended December 31, 2024 and 2023 are further detailed in Note 6, Changes in Estimates.
 (2)The twelve months ended December 31, 2023 includes charges of $8.1 million and $0.2 million related to the temporary production pause for the Commercial and Defense & Space Segments, respectively, and ($2.4) million of benefit related to related to the settlement of a contingent consideration obligation related to a prior year acquisition for the Aftermarket Segment.

 The Commercial, Defense & Space, and Aftermarket segments represented approximately 78%, 15%, and 7%, respectively, of our net revenues for the twelve months ended December 31, 2024. The Commercial, Defense & Space, and Aftermarket segments represented approximately 81%, 13%, and 6%, respectively, of our net revenues for the twelve months ended December 31, 2023.

 Commercial Segment. Commercial segment net revenues for the twelve months ended December 31, 2024 were $4,927.4 million, an increase of $42.4 million, or 0.9%, compared to the same period in the prior year. The increase in revenue was primarily due to increased production on the B777, A350 and A320 programs in the current year period, partially offset by decreases in revenue on the B737, B767, B787 and Business Jet programs. The B787 revenues were lower as compared to prior year despite higher current year deliveries due to the reversal in 2023 of a previously recognized material right obligation of $154.6 million as a result of the 2023 MOA with Boeing. Commercial segment operating margins were (31%) for the twelve

 months ended December 31, 2024, compared to 1% for the same period in the prior year. The decrease in margin, compared to the same period in the prior year, was driven by higher unfavorable changes in estimates recorded in the current period as the prior period included the reversal of $205.6 million of forward losses on the B787 as a result of the 2023 MOA. Higher excess capacity costs and the relative impact of greater forward losses on the A350, A220, RB3070, and B787 programs, and margin deterioration on the A320 program also drove the year-over-year deterioration. The twelve months ended December 31, 2024 include excess capacity production costs of $186.5 million related to temporary B737 MAX, and A220 production schedule changes, and $0.7 million related to restructuring costs. The twelve months ended December 31, 2023 include excess capacity production costs of $177.3 million related to temporary B737 MAX, A320 and A220 production schedule changes, $8.1 million related to the temporary production pause, and restructuring costs of $6.3 million. In 2024, the segment recorded unfavorable cumulative catch-up adjustments of $83.5 million and $1,328.9 million of net forward loss charges. Unfavorable cumulative catch-up adjustments were primarily recognized on the B737 MAX and B777 programs, reflective of increased supply chain, raw material, factory performance and other costs on the program. The 2024 forward loss charges were primarily driven by current production performance, and supply chain cost growth on the A350 and A220 programs, additional labor and supply chain cost growth on the B787 program, and increased costs related to factory performance on the B767 program. Unfavorable cumulative catch-up adjustments were primarily recognized on the B737 MAX program, reflective of increased production costs associated with changes implemented by Boeing in March 2024 to introduce a new product verification process in Wichita, KS on the B737 program. In comparison, during 2023, the segment recorded unfavorable cumulative catch-up adjustments of $45.6 million and $234.0 million of net forward loss charges. The 2023 forward loss charges were primarily driven by labor and production cost growth, higher supply chain costs, and schedule revisions on the A350 program and additional labor, the impact of the IAM agreement and supply chain cost growth on the B787 program, increased factory performance and supply chain costs on the B767, and higher production, labor and supply chain costs on the A220 program. The A320 program unfavorable cumulative catch-up adjustment was driven by production cost overruns experienced due to operational and supply chain disruptions, and foreign currency movements.

 Defense & Space Segment. Defense & Space segment net revenues for the twelve months ended December 31, 2024 were $975.2 million, an increase of $186.2 million, or 23.6%, compared to the same period in the prior year. The increase in revenue was primarily due to increased CH-53K and classified program revenues, partially offset by decreases in Boeing P-8 and KC-46 Tanker program production. Defense & Space segment operating margins were 10% for the twelve months ended December 31, 2024, compared to 6% for the same period in the prior year. The increase in margin was driven by the impact of additional revenues from higher activity on development programs, higher production on the Sikorsky CH-53K and progress on classified programs partially offset by forward losses recorded on the KC-46 Tanker and KC-135 programs, and decreased revenue on P-8 units under the Boeing B737 program, the contracts for which include units produced for the Boeing P-8 program that are accounted for in the Defense & Space segment. Additionally, we recognized non-recurring revenues on the FLRAA program associated with Spirit's closeout of the program. The twelve months ended December 31, 2024 includes excess capacity production costs of $10.0 million related to the temporary B737 production schedule changes. The year ended December 31, 2023 includes excess capacity production costs of $6.8 million related to the temporary B737 production schedule changes. In 2024, the segment recorded favorable cumulative catch-up adjustments of $21.1 million and $37.3 million of net forward loss charges. In comparison, during 2023, the segment recorded unfavorable cumulative catch-up adjustments of $10.6 million and $30.7 million of net forward loss charges.

 Aftermarket Segment. Aftermarket segment net revenues for the twelve months ended December 31, 2024 were $414.0 million, an increase of $40.1 million, or 10.7%, compared to the same period in the prior year, reflecting an increase in spare part sales. Aftermarket segment operating margins were 13% for the twelve months ended December 31, 2024, compared to 22% for the same period in the prior year reflecting the impact of the increased spares sales which have lower margins and largely flat MRO revenues year-over-year.

 Twelve Months Ended December 31, 2023 as Compared to Twelve Months Ended December 31, 2022

 Net Revenues. Net revenues for the twelve months ended December 31, 2023 were $6,047.9 million, an increase of $1,018.3 million, or 20.2%, compared with net revenues of $5,029.6 million for the prior year. The increase in revenue was primarily driven by increased Commercial segment production on the B737 MAX program. The remaining increase was primarily due to greater Commercial segment revenues on B787, business jet and B777 programs, partially offset by a decrease in revenue on the B747 program, increased Defense Segment Boeing P-8 production and classified program revenue, and greater Aftermarket segment sales. Approximately 83% of the Company's net revenues in 2023 came from our two largest customers, Boeing and Airbus.

 Deliveries to Boeing increased 98 shipsets to 457 shipsets during the twelve months ended December 31, 2023, compared to 359 shipsets delivered in the prior year. The increase was primarily driven by 75 more B737 MAX deliveries and higher deliveries on twin aisle programs, particularly the B787 program, which included 16 more deliveries. Deliveries to Airbus

 decreased to 725 shipsets during the twelve months ended December 31, 2023, compared to 726 shipsets delivered in the prior year. The decrease of 1 shipset was primarily driven by 18 fewer deliveries on the A320 program, offset by increased shipset deliveries on A220, A330, and A350 programs. Production deliveries of business/regional jet wing and wing components increased to 236 shipsets during the twelve months ended December 31, 2023, compared to 212 shipsets delivered in the prior year.

 Gross Profit (Loss). Gross profit for the twelve months ended December 31, 2023 was $206.2 million, as compared to a gross profit of $48.6 million for the same period in the prior year, an increase in profit of $157.6 million The increase in profit was primarily driven by Commercial segment results, which included gross profit on the increased B737 MAX production revenue and the favorable adjustments related to the 2023 MOA that included forward loss reversals of $205.6 million and material right obligation liability reversal of $154.6 million. The Commercial segment also includes greater gross profit on the increased B777 sales partially offset by greater forward loss charges on the A220 and A350 programs and margin deterioration on the A320 program. Decreased gross profit in the Defense segment was driven by the impact of forward loss charges recognized on the Sikorsky CH-53K and KC-46 Tanker programs, partially offset by increased profit recognized on the increased Boeing P-8 production revenue. Greater profit in our Aftermarket segment was driven by the increased sales. The variance in profit from the prior year period also includes the impact of higher excess capacity costs. In the twelve months ended December 31, 2023, we recognized $184.1 million of excess capacity production costs driven by production schedule changes on B737 MAX, A220 and A320 programs, $8.3 million related to the temporary production pause during the strike and related contract negotiation of employees represented by the IAM, and $7.2 million of restructuring costs, compared to prior year excess capacity costs of $157.3 million, the impact of the $29.1 million charge in relation to the suspension of activities related to customers in Russia, abnormal costs related to COVID-19 workforce adjustments of $9.6 million, and ($29.7) million of restructuring and other costs, including partial offset related to the recognition of the Aviation Manufacturing Jobs Protection Program ("AMJPP") award. In the twelve months ended December 31, 2023, we recognized $56.2 million of unfavorable cumulative catch-up adjustments related to periods prior to the twelve months ended December 31, 2023, and $264.7 million of net forward loss charges. In the twelve months ended December 31, 2022, we recorded $27.7 million of unfavorable cumulative catch-up adjustments related to periods prior to the twelve months ended December 31, 2022, and $250.3 million of net forward loss charges.

 SG&A and Research and Development. SG&A expense was $2.7 million higher for the twelve months ended December 31, 2023, as compared to the same period in the prior year, driven by increases in headcount, purchased services, incentives, and travel. Research and development expense for the twelve months ended December 31, 2023 was $5.0 million lower as compared to the same period in the prior year.

 Restructuring Costs. Restructuring costs were $7.0 million higher for the twelve months ended December 31, 2023, compared to the same period in the prior year. The variance is primarily driven by the results of the voluntary separation program activity during the twelve months ended December 31, 2023.

 Operating Loss. Operating loss for the twelve months ended December 31, 2023 was $134.2 million, an improvement of $147.0 million, compared to operating loss of $281.2 million for the prior year. The improvement was primarily driven by the favorable adjustments resulting from the 2023 MOA partially offset by higher SG&A and restructuring expenses.

 Interest Expense and Financing Fee Amortization. Interest expense and financing fee amortization for the twelve months ended December 31, 2023 increased by $74.6 million as compared to the prior year. Interest expense and financing fee amortization for the twelve months ended December 31, 2023 included $279.6 million of interest and fees paid or accrued in connection with long-term debt and $11.6 million in amortization of deferred financing costs and original issue discount, compared to $209.5 million of interest and fees paid or accrued in connection with long-term debt and $7.4 million in amortization of deferred financing costs and original issue discount for the prior year. Additionally, a loss on extinguishment of debt of $17.3 million was recorded during the twelve months ended December 31, 2023 related to the extinguishment of the 2025 Notes, as compared to a loss on extinguishment of debt of $7.2 million in the prior year related to the extinguishment of the prior credit agreement.

 Other Expense, net. Other expense for the twelve months ended December 31, 2023 was $140.4 million, compared to other expense of $14.1 million for the same period in the prior year. The $126.3 million increase in other expense primarily reflects net foreign currency exchange loss of $13.9 million in 2023, versus a net gain of $21.6 million in 2022, excise tax of $37.7 million in 2023 related to a pension plan net assets reversion (see Note 18 Pension and Other Post-Retirement Benefits), as compared to $6.8 million of excise taxes in 2022 also related to a reversion, loss on sale of receivables of $52.4 million in 2023 compared to a loss of $23.4 million in 2022, and net pension related expense of $52.0 million in 2023 versus net pension related expense of $30.2 million in 2022. The respective pension expense values were separately driven by special accounting impacts related to pension plan termination activities that were respectively undertaken in each period. See also Note 18

 Pension and Other Post-Retirement Benefits. To a lesser extent, the increase in other expense also reflects the effect of a gain in 2022 of $20.7 million on the settlement of a repayable investment agreement between the Company and the U.K.'s Department for Business, Energy and Industrial Strategy (the "BEIS") (see Note 24 Other Expense, net).

 Benefit (Provision) for Income Taxes. The income tax expense for the twelve months ended December 31, 2023, was $22.5 million compared to income tax expense of $5.2 million for the prior year. The 2023 effective tax rate was (3.8%) as compared to (1.0%) for 2022. The difference in the effective tax rate recorded for 2023 as compared to 2022 is due to tax expense previously stranded in OCI that was recognized in 2023 due to the termination of the pension.

 Segments. The following tables show segment revenues and operating income for the twelve months ended December 31, 2023 and 2022:

 Twelve Months Ended December 31, 2023

 $
 4,885.0
 $
 789.0
 $
 373.9
 $
 —
 $

 (4,627.3)
 (736.4)
 (293.9)
 —
 (5,657.6)

 (177.3)
 (6.8)
 —
 —
 (184.1)

 Segment gross profit
 $
 80.4
 $
 45.8
 $
 80.0
 $
 —
 $
 206.2

 (6.3)
 (0.9)
 —
 —
 (7.2)

 Other operating (expense) income (2)

 (8.1)
 (0.2)
 2.4
 —
 (5.9)

 Segment operating income (1)

 $
 66.0
 $
 44.7
 $
 82.4
 $
 —
 $
 193.1

 —
 —
 —
 (281.9)
 (281.9)

 —
 —
 —
 (45.4)
 (45.4)

 Operating income (loss)
 $
 66.0
 $
 44.7
 $
 82.4
 $
 (327.3)
 $
 (134.2)

 —
 —
 —

 —
 —
 —

 Income (loss) before income taxes and equity in net loss of affiliates
 $
 66.0
 $
 44.7
 $
 82.4
 $
 (786.4)
 $
 (593.3)

 Twelve Months Ended December 31, 2022

 $
 4,068.4
 $
 649.8
 $
 311.4
 $
 —
 $

 (3,993.0)
 (571.5)
 (250.4)
 —
 (4,814.9)

 (149.5)
 (7.8)
 —
 —
 (157.3)

 Other segment items (3)

 (8.6)
 2.3
 (2.5)
 —
 (8.8)

 Segment gross (loss) profit
 $
 (82.7)
 $
 72.8
 $
 58.5
 $
 —
 $
 48.6

 (0.2)
 —
 —
 —
 (0.2)

 Segment operating (loss) income (1)

 $
 (82.9)
 $
 72.8
 $
 58.5
 $
 —
 $
 48.4

 —
 —
 —
 (279.2)
 (279.2)

 —
 —
 —
 (50.4)
 (50.4)

 Operating (loss) income
 $
 (82.9)
 $
 72.8
 $
 58.5
 $
 (329.6)
 $
 (281.2)

 —
 —
 —
 (244.1)
 (244.1)

 —
 —
 —
 (14.1)
 (14.1)

 (Loss) income before income taxes and equity in net loss of affiliates
 $
 (82.9)
 $
 72.8
 $
 58.5
 $
 (587.8)
 $
 (539.4)

 (1)Inclusive of forward losses, changes in estimates on loss programs and cumulative catch-up adjustments. These changes in estimates for the periods ended December 31, 2023 and 2022 are further detailed in Note 6, Changes in Estimates.

 (2)The twelve months ended December 31, 2023 includes charges of $8.1 million and $0.2 million related to the temporary production pause for the Commercial and Defense & Space Segments, respectively, and ($2.4) million of benefit related to the settlement of a contingent consideration obligation related to a prior year acquisition for the Aftermarket Segment.
 (3)The twelve months ended December 31, 2022 includes charges of $9.6 million for workforce adjustments as a result of the COVID-19 production pause for the Commercial Segment, net of U.S. employee retention credit and U.K. government subsidies, $24.7 million and $4.4 million in relation to the suspension of activities in Russia for the Commercial and Aftermarket Segments, respectively, and net offsets of ($25.7) million, ($2.3) million, and ($1.9) million for the Commercial, Defense & Space, and Aftermarket Segments, respectively, related to the AMJPP and other costs.

 The Commercial, Defense & Space, and Aftermarket segments represented approximately 81%, 13%, and 6%, respectively, of our net revenues for the twelve months ended December 31, 2023. The Commercial, Defense & Space, and Aftermarket segments represented approximately 81%, 13%, and 6%, respectively, of our net revenues for the twelve months ended December 31, 2022.

 Commercial Segment. Commercial segment net revenues for the twelve months ended December 31, 2023 were $4,885.0 million, an increase of $816.6 million, or 20.1%, compared to the same period in the prior year. The increase in revenue was primarily due to increased production on the B737 MAX program during the twelve months ended December 31, 2023. Additionally, revenues benefited from the reversal of the previously recognized material right obligation associated with the B787 program as a result of the 2023 MOA. The remaining increase compared to the prior year's revenue included greater Commercial segment revenues on the B787, A320, business jet, B777 and A350 programs, partially offset by a decrease in revenue on the A220 and B747 programs. Commercial segment operating margins were 1% for the twelve months ended December 31, 2023, compared to (2%) for the same period in the prior year. The increase in margin, compared to the same period in the prior year, was driven by the reversal of $205.6 million of forward losses on the B787 as a result of the 2023 MOA as well as the incremental margin impact of the greater volume of B737 program sales, partially offset by higher excess capacity costs and the relative impact of greater forward losses on the A350 program, and margin deterioration on the A320, RB3070, and Bombardier business jet programs. The twelve months ended December 31, 2023 includes excess capacity production costs of $177.3 million related to temporary B737 MAX, A320 and A220 production schedule changes, $8.1 million related to the temporary production pause, and $6.3 million of restructuring costs. The twelve months ended December 31, 2022 includes the impact of $24.7 million of the total charge, mentioned above, related to the suspension of activities in Russia, excess capacity production costs of $149.5 million related to the temporary B737 MAX and A220 production schedule changes, $9.6 million of temporary workforce adjustments as a result of the COVID-19 production pause, net of a U.S. employee retention credit and U.K. government subsidies, $0.2 million of restructuring costs, and a net partial offset of ($25.7) million, including offset of costs related to partial recognition of the AMJPP grant, net of other costs. In 2023, the segment recorded unfavorable cumulative catch-up adjustments of $45.6 million and $234.0 million of net forward loss charges. The forward loss charges were primarily driven by labor and production cost growth, higher supply chain costs, and schedule revisions on the A350 program and additional labor, the impact of the IAM agreement and supply chain cost growth on the B787 program, increased factory performance and supply chain costs on the B767, and higher production, labor and supply chain costs on the A220 program. Unfavorable cumulative catch-up adjustments were primarily recognized on the B737 MAX and A320 programs, reflective of increased supply chain, raw material, factory performance and other costs on the program including the impact of the IAM union negotiations on the Boeing B737 MAX program. The A320 program unfavorable cumulative catch-up adjustment was driven by production cost overruns experienced due to operational and supply chain disruptions, and foreign currency movements. In comparison, during 2022, the segment recorded unfavorable cumulative catch-up adjustments of $30.1 million and $243.9 million of net forward loss charges primarily driven by the impact of reduced production volumes on the B787 and A350 programs and the corresponding amount of fixed overhead absorption applied to lower deliveries, engineering analysis and estimated costs of rework on the B787 program, estimated quality improvement costs on the A350 program, and cost performance on the B767 program.

 Defense & Space Segment. Defense & Space segment net revenues for the twelve months ended December 31, 2023 were $789.0 million, an increase of $139.2 million, or 21.4%, compared to the same period in the prior year. The increase in revenue was primarily due to increased Boeing P-8 and KC-46 Tanker program production, increased classified program revenues, and increased CH-53K revenue. Defense & Space segment operating margins were 6% for the twelve months ended December 31, 2023, compared to 11% for the same period in the prior year. The decrease in margin was driven by the forward losses recorded on the CH-53K program, partially offset by higher profit margins on classified program revenues and lower excess capacity costs. The twelve months ended December 31, 2023 includes excess capacity production costs of $6.8 million related to the temporary B737 production schedule changes, $0.2 million related to the temporary production pause, and $0.9 million of restructuring costs. The year ended December 31, 2022 includes excess capacity production costs of $7.8 million related to the temporary B737 production schedule changes and a $2.3 million offset of costs related to the AMJPP. In 2023, the segment recorded unfavorable cumulative catch-up adjustments of $10.6 million and $30.7 million of net forward loss charges. In comparison, during 2022, the segment recorded favorable cumulative catch-up adjustments of $2.4 million and $6.4 million of net forward loss charges.

 Aftermarket Segment. Aftermarket segment net revenues for the twelve months ended December 31, 2023 were $373.9 million, an increase of $62.5 million, or 20.1%, compared to the same period in the prior year, reflecting greater spare part sales and increased maintenance, repair, and overhaul ("MRO") sales activity. Aftermarket segment operating margins were 22% for the twelve months ended December 31, 2023, compared to 19% for the same period in the prior year. The twelve months ended December 31, 2023 includes an offset of $2.4 million of benefit related to the settlement of a contingent consideration obligation related to a prior year acquisition. The twelve months ended December 31, 2022 includes $4.4 million of the total charge, mentioned above, in relation to the suspension of activities in Russia and $1.9 million of offset to costs related to the AMJPP.

 Liquidity and Capital Resources

 We assess our liquidity in terms of our ability to generate cash to fund our operating, investing, and financing activities. Our principal sources of liquidity are operating cash flows from continuing operations and borrowings to finance our business operations. Our operating cash flows from continuing operations have been adversely impacted by, among other things, the B737 MAX grounding, the COVID-19 pandemic, production rate changes for the B737 MAX program and other programs, the impact of inflation on labor and supply chain costs, supply chain disruptions, and labor shortages affecting our business. We expect those adverse impacts to continue for 2025 and beyond. For purposes of assessing our liquidity needs in this section, we have assumed that Boeing would not further reduce the B737 MAX production rate and that other customers generally would not further reduce their production rates. For risks that may affect that assumption, see Item 1A "Risk Factors."

 Our consolidated financial statements have been prepared in accordance with U.S. generally accepted accounting principles (GAAP) on a going concern basis, which assumes the Company will be able to continue as a going concern and contemplates the realization of assets and satisfaction of liabilities in the normal course of business. However, substantial doubt about the Company's ability to continue as a going concern exists. We have incurred net losses of $2,139.8 million, $616.2 million, and $545.7 million for the twelve months ended December 31, 2024, 2023, and 2022, respectively, and cash used in operating activities of $1,120.9 million, $225.8 million, and $394.6 million for the same periods, respectively. As of December 31, 2024, our debt balance was $4,394.2 million, including $424.5 million of debt classified as short-term. As of December 31, 2024, we had $537.0 million of cash and cash equivalents on our Consolidated Balance Sheet, which reflects a decrease of $286.5 million from the cash and cash equivalents balance of $823.5 million as of December 31, 2023. The Company will require additional liquidity to continue its operations over the next 12 months.

 Further, certain changes made to the production and delivery process implemented by Boeing have had an immediate impact on our results of operations and cash flows. On March 2, 2024, Boeing announced they would no longer accept deliveries of product that required out of sequence assembly or incremental quality re-work. As a result, we have experienced higher levels of inventory and contract assets and lower operational cash flows due to the inability to physically ship and invoice end items to Boeing in a timeframe aligned with production activities. Additionally, during late 2023 we were preparing our production line to accommodate an expected increase in production rates for 2024 and beyond. Boeing's ability to increase production rates is governed by the FAA, and the production rates which were anticipated are now limited. During the twelve months ended December 31, 2024, the Company continued to experience delays and realized higher than anticipated costs with respect to these production and delivery processes, and anticipates that some level of higher costs will continue in the future.

 On April 18, 2024, we entered into a Memorandum of Agreement ("MOA") with Boeing, where Boeing advanced $425.0 million to us to support our liquidity. This MOA was amended on June 20, 2024, to increase the advance by an additional $40.0 million and to revise certain repayment amounts and extend near-term repayment dates. As of the date of this filing, we have repaid $40.0 million of the MOA advances; however, the other amounts remain outstanding. In January 2025, we executed an amendment to the MOA which rescheduled the timing of the repayments to span from April 2026 to September 2026. While we made consistent progress in the expected amount of time required to execute the new production and delivery processes highlighted above in the twelve months ended December 31, 2024, we experienced continued delay in delivering the expected number of units to Boeing. Additionally, we experienced higher costs than anticipated to execute the processes identified above and anticipates that some level of higher costs will continue in the future.

 On October 18, 2024, we announced a 21-day furlough, effective October 27, 2024, for approximately 700 employees working on the B767 and B777 programs in response to the strike by Boeing employees as we have reached maximum storage capacity on the B767 and B777 programs. Our ability to align our costs, including both internal and supply chain related spending, to react to unexpected changes in customer-determined production rates has and will likely continue to have a material impact on our results of operations and cash flows. Our liquidity has been impacted by higher levels of inventory and contract assets, lower operational cash flows due to a decrease in expected deliveries to Boeing, higher factory costs to maintain rate readiness (attributed to product quality verification process enhancements, including moving such processes from Renton,

 Washington, to Wichita, Kansas), Boeing no longer allowing for traveled work on the B737 fuselage to its factories, the strike by Boeing employees, and the limitations on Boeing increasing production rates. Based upon expected production volumes and deliveries, per the January 2025 amendment to the MOA, the terms of this advance require installments be repaid through September 2026.

 Additionally, we were in negotiations with Airbus related to pricing adjustments on the A220 and A350 programs during 2023 and continuing into 2024 with a goal of completing those negotiations in early 2024. As a result of the announcement on March 1, 2024, that we were engaged in discussions with Boeing about a possible acquisition of the Company by Boeing, there was a shift in the strategic discussions with Airbus relevant to pricing adjustments on the A220 and A350 programs, most recently with a focus toward customer advances and other accommodations.

 These developments in 2024 resulted in a significant reduction in projected revenue and operating cash flows over the next twelve months. Additionally, although the advances received in 2024 have provided essential operational liquidity, there can be no assurance that we will be able to obtain additional advances from our customers, repay current advances on the specified due dates, renegotiate the due date or otherwise obtain additional liquidity as needed under acceptable terms or at all. We will need to obtain additional funding to sustain operations, as we expect to continue generating operating losses for the foreseeable future. Accordingly, substantial doubt about the Company's ability to continue as a going concern exists.

 Management has developed a plan designed to improve liquidity in response to the developments highlighted above. These plans are dependent upon many factors, including, among other things, the outcomes of discussions related to the timing or amounts of repayment for certain customer advances, the timing and expected proceeds received from certain divestitures, the expected timing and outcome of the transactions contemplated by the Merger Agreement and the Airbus Term Sheet, and achieving anticipated B737 deliveries. Management is also evaluating additional strategies intended to improve liquidity to support operations, including, but not limited to, additional customer advances and restructuring of operations in an effort to increase efficiency and decrease expenses, which may include layoffs or additional furloughs. However, there can be no assurance that these plans or strategies will sufficiently improve our liquidity needs or that we will otherwise realize the anticipated benefits. For additional information, please see Part I, Item 1A. Risk Factors, "We have incurred significant operating losses in the last few years and have identified conditions or events that raise substantial doubt about our ability to continue as a going concern" in this Annual Report on Form 10-K.

 These financial statements do not include any adjustments relating to the recoverability and classification of recorded asset amounts or the amounts and classification of liabilities that might result from the outcome of the uncertainties described above.

 Merger Agreement

 On June 30, 2024, we entered into the Merger Agreement. The Merger Agreement contains customary covenants by us regarding the conduct of our business prior to the closing of the Merger. In addition, pursuant to the Merger Agreement, we have agreed, subject to certain exceptions, not to take, authorize, agree or commit to do certain actions outside of the ordinary course of business, including incurring indebtedness (other than under existing credit facilities or to replace certain existing indebtedness maturing in 2025) or materially amending the terms of existing indebtedness, issuing equity, and disposing of significant assets. We do not believe that the restrictions in the Merger Agreement will prevent us from meeting our debt obligations, ongoing costs of operations, working capital needs or capital expenditure requirements.

 Customer Advances

 Advances on the A350 Program. During the quarters ended June 29, 2023 and September 28, 2023, we received two equal advance payments from Airbus of $50.0 million each under an agreement between Airbus S.A.S. and Spirit AeroSystems (Europe) Limited ("Spirit Europe") signed on June 23, 2023 (the "A350 Agreement"). The A350 Agreement provided for up to $100.0 million of advances that are required to be repaid along with a nominal fee to Airbus by way of offset against the purchase price of A350 FLE shipset deliveries in 2025. To the extent actual deliveries in 2025 are insufficient to offset the advance amount, any amount not offset against deliveries will be due and payable to Airbus per the terms of the Airbus Term Sheet. Related to the A350 Agreement, Spirit Europe has pledged certain program assets including work in process inventories and raw materials at Spirit's Scotland facility in an amount sufficient to cover the advances. Based on the specific terms and conditions within the A350 Agreement, the $100.0 million of receipts was included within operating cash flows during the twelve months ended December 31, 2023. As the Airbus advance will be repaid through offset against shipset deliveries, those repayments will effectively reduce operating cash flow in 2025. See Note 14 Advance Payments to our consolidated financial statements included in Item 8 of this Annual Report for more information.

 Advances on the B787 Program. Boeing has made advance payments to Spirit under the B787 Supply Agreement that are required to be repaid to Boeing by way of offset against the purchase price for future shipset deliveries. As of December 31, 2024, the amount of advance payments received by us from Boeing under the B787 Supply Agreement and not yet repaid was approximately $164.3 million.

 Other. The Advance payments, long-term line item on the Consolidated Balance Sheet for the period ended December 31, 2024 includes $18.9 related to payments received from an Aftermarket segment customer for contracted work that was impacted by the sanctions imposed by the U.S. and other governments on Russia following its invasion of Ukraine.

 Customer Financing

 As described in the Form 8-K filed by us on November 12, 2024, on November 8, 2024, we entered into an advance payments agreement with Boeing to provide up to $350.0 million of cash advances for the sole purpose of producing and maintaining readiness to produce products as defined in existing contracts at the rates required by Boeing. These advances were intended to address Spirit's higher levels of inventory and contract assets, lower operational cash flows, decrease in expected deliveries to Boeing and higher factory costs to maintain rate readiness, attributed to product quality verification process enhancements (including moving such process from Renton, Washington, to Wichita, Kansas), the lingering effects of the recent strike by Boeing employees and limitations on Boeing increasing production rates. As of December 31, 2024, we had borrowed $200.0 million under this advance agreement.

 The advance agreement requires Spirit to repay the advances to Boeing in accordance with the following payment schedule: 25% of the then-outstanding advances on each of April 30, 2026, June 30, 2026, and September 30, 2026, and the remaining balance of outstanding advances on December 31, 2026. The advances will bear an advance fee in an amount equal to 6.0% of the outstanding amount of the advances which will be paid on the fifteenth day of each calendar quarter, by capitalizing such fee and adding it to the outstanding amount of Advances thereunder.

 As described in the Form 8-K filed by us on April 23, 2024, on April 18, 2024, we entered into the MOA with Boeing to provide $425.0 million of cash advances, based upon our maintaining a production rate that supports Boeing's production demand in accordance with certain long-term supply agreements, all of which was received in the second quarter of 2024. Additionally, this MOA was amended on June 20, 2024 to provide an additional $40.0 million of cash advance which was received in the second quarter. The MOA was amended again on January 22, 2025 to reschedule the repayment dates and add additional provisions regarding an event of termination of the Merger Agreement.

 Per the terms of the January 2025 amended MOA, repayments will be a total of $75.0 million on April 1, 2026, $75.0 million on May 1, 2026, $75.0 million on June 1, 2026, $75.0 million on July 1, 2026, $75.0 million on August 1, 2026 and $50.0 million on September 1, 2026. Our repayment obligation will be accelerated, and any outstanding amount advanced under the agreement will immediately become due and payable, in the event that (i) we fail to make any repayment in full on the applicable Repayment Date, (ii) we fail to submit a satisfactory written confirmation that we are able to and intend to make the required repayment thirty days prior to each Repayment Date, as required under the agreement, (iii) we repudiate any performance obligation under the agreement or certain of the our existing agreements with Boeing, (iv) there occurs, either as to Spirit, Spirit Holdings or any of their respective subsidiaries, any of the events of default (generally relating to insolvency, reorganization, liquidation or similar proceedings, or to business suspension, dissolution or winding-up) described in specified provisions of our existing agreements with Boeing, then all amounts of the advances from the MOA that remain outstanding to Boeing pursuant to the repayment provisions of the MOA as of such time will become immediately due and payable. Under the January 2025 amendment, in the event that the Merger Agreement is terminated, the then outstanding advances under the MOA will become due and payable on April 1, 2026. These advances have been accounted for as financing cash flows. As of the date of this filing, we have repaid $40.0 million of the MOA advances.

 In the third quarter of 2024 we received an advance payment from Airbus of $27.4 under a Memorandum of Agreement between Airbus S.A.S. and Spirit Europe, Shorts Brothers PLC and Spirit AeroSystems North Carolina, Inc ("Spirit NC"), for up to $50.0 million related to certain program related expenditures. The remaining $22.6 million was received on October 2, 2024. This memorandum of agreement was amended on October 6, 2024 to include an additional $12.0 million for specified expenditures. This amount was received on October 8, 2024. It was amended again on November 8, 2024 to increase the funding capacity by $57.0 million. On December 18, 2024, Spirit received $20.0 million of the additional capacity. Per the terms of the amended memorandum of agreement, these amounts will be assumed by Airbus upon close of the Airbus Transactions, or if earlier, repaid to Airbus on April 1, 2026.

 During the quarter ended March 28, 2024, we received an advance payment from Airbus of $17.0 million under a term sheet agreement between Airbus Canada Limited Partnership ("Airbus Canada") and Shorts Brothers PLC (our facilities located

 in Belfast, Northern Ireland), for short term funding for increased freight costs incurred in the period from January to March 2024. The full amount of the advance is to be repaid per the terms of the Airbus Term Sheet.

 During the quarter ended June 29, 2023, we received cash advances of $180.0 million from Boeing related to a memorandum of agreement with Boeing executed on April 28, 2023. The most recent amendment to this agreement was on January 22, 2025. Per the terms of the most recent amended memorandum of agreement, equal payments of $45.0 million are due in October, November and December of 2026 with the final $45.0 million payment due in December 2027. Our repayment obligation will be accelerated, and any outstanding amount advanced under the agreement will immediately become due and payable, in the event that (i) we fail to make any repayment in full on the applicable Repayment Date, (ii) we fail to submit a satisfactory written confirmation that we are able to and intend to make the required repayment thirty days prior to each Repayment Date, as required under the agreement, or (iii) we repudiate any performance obligation under the agreement or certain of our existing agreements with Boeing. Boeing will have the right to set off any unpaid amount due and payable under the memorandum of agreement from any amount owed to Boeing under any other agreement between the parties. Under the January 2025 amendment, in the event that the Merger Agreement is terminated, the then outstanding advances under this memorandum of agreement will become due and payable on April 1, 2026. As of December 31, 2024, $90.0 million is reflected in the Customer financing, short-term line while the remaining $90.0 million is reflected in the Customer financing, long-term line item on the Consolidated Balance Sheets. The short-term portion at December 31, 2024 is based on the repayment due date prior to the January 2025 amendment. Based on the specific terms and conditions within the final agreement, the $180.0 million receipt was shown as a financing cash flow during the twelve months ended December 31, 2023, while the future repayment of the Boeing advances will be reflected as usage of financing cash flow. See Note 25 Customer Financing to our consolidated financial statements included in Item 8 of this Annual Report for more information.

 Operational Impacts of Alaska Airlines Incident

 The B737 MAX 9 derivative fleet was temporarily grounded by the FAA while certain safety inspections were completed and to allow the FAA time to review any required maintenance actions following the January 5, 2024 in-flight incident on a B737 MAX 9 aircraft flown by Alaska Airlines. The B737 MAX 9 fleet returned to service on January 26, 2024 after mandatory inspections were completed. We are participating in investigations relating to this incident. As discussed in Item 1A. "Risk Factors" in our 2023 Form 10-K, we are currently unable to fully estimate what impact this incident, including any impacts of investigations, will have on our near or long-term financial position, results of operations and cash flows.

 However, certain changes made to the production and delivery process implemented by Boeing have had an immediate impact to our results of operations and cash flows. On March 2, 2024, Boeing announced they would no longer accept deliveries of product that required out of sequence assembly or incremental quality re-work. A new product verification process has been implemented by Boeing at our factory in Wichita, KS. As a result, we have experienced higher levels of inventory and contract assets and lower operational cash flows due to the inability to physically ship and invoice end items to Boeing. Additionally, during late 2023 we began preparing our production line to accommodate an expected increase in production rates that has now been delayed due to the limitation on Boeing increasing its production rates. Our ability to align our factory costs, which include both internal and supply chain related spending to react to unexpected changes in customer-determined production rates, had a material impact on our results of operations and cash flows throughout 2024.

 Credit Agreement

 On October 5, 2020, Spirit entered into a term loan credit agreement (the "Credit Agreement") providing for a $400.0 million senior secured term loan B credit facility with the lenders party thereto and Bank of America, N.A. ("BofA"), as administrative agent and collateral agent. On October 5, 2020 Spirit borrowed the full $400.0 million of initial term loans available under the Credit Agreement. The Credit Agreement also permits Spirit to request one or more incremental term facilities in an aggregate principal amount not to exceed (x) in the case of any incremental facility that is secured on a pari passu basis with the Credit Agreement, the greater of (a) $950.0 million and (b) such other amount, so long as on a pro forma basis after giving effect to the incurrence of such indebtedness and the use of proceeds thereof, the first lien secured net leverage ratio does not exceed 3.25 to 1.00; and (y) in the case of any incremental facility that is secured on a junior basis to the Credit Agreement, the greater of (a) $500.0 million and (b) such other amount, so long as on a pro forma basis after giving effect to the incurrence of such indebtedness and the use of proceeds thereof, the secured net leverage ratio does not exceed 5.00 to 1.00. On November 15, 2021, the Company entered into a first refinancing, incremental assumption and amendment agreement (the "November 2021 Amendment") to the Credit Agreement. The November 2021 Amendment provides for, among other things, (i) the refinancing of the $397.0 million aggregate principal amount of term loans outstanding under the Credit Agreement immediately prior to the effectiveness of the November 2021 Amendment with term loans in an equal principal amount with a lower interest rate (the "Repriced Term Loans") and (ii) an incremental term loan facility of $203.0 million in aggregate principal amount with the same terms as the Repriced Term Loans. On November 23, 2022, the Company entered into a second

 refinancing amendment (the "November 2022 Amendment") to the Credit Agreement (the Credit Agreement, as amended by the November 2021 Amendment, the November 2022 Amendment, and the February 2025 Amendment (as defined below), the "Amended Credit Agreement"). The November 2022 Amendment provides for, among other things, the refinancing of the $594.0 million aggregate principal amount of term loans outstanding under the Credit Agreement immediately prior to the effectiveness of the November 2022 Amendment (the "Existing Term Loans") with term loans in an equal principal amount with a later maturity date (the "New Term Loans"). The proceeds of the New Term Loans were used to refinance the Existing Term Loans. The New Term Loans will mature on January 15, 2027. The New Term Loans bear interest at a rate ranging between Term SOFR plus 4.25% and Term SOFR plus 4.50% (or, at Spirit's option, between base rate plus 3.25% and base rate plus 3.50%, as applicable) with the margin varying based on Spirit's first lien secured gross leverage ratio. The obligations under the Amended Credit Agreement are guaranteed by Holdings and Spirit AeroSystems North Carolina, Inc., a wholly-owned subsidiary of the Company ("Spirit NC", and together with Holdings, the "Guarantors"), and each existing and future, direct and indirect, wholly-owned material domestic subsidiary of Spirit, subject to certain customary exceptions. The obligations are secured by a first-priority lien with respect to substantially all assets of Spirit and the Guarantors, subject to certain exceptions. On February 14, 2025, the Company entered into the Third Amendment to Term Loan Credit Agreement (the "February 2025 Amendment") with BofA to remove the requirement that the audit opinion with respect to the Company's annual financial statements for the fiscal year ending December 31, 2024 not be subject to a "going concern" qualification.

 The Amended Credit Agreement contains usual and customary affirmative and negative covenants for facilities and transactions of this type and that, among other things, restrict the Company and its restricted subsidiaries' ability to incur additional indebtedness, create liens, consolidate or merge, make acquisitions and other investments, guarantee obligations of third parties, make loans or advances, declare or pay certain dividends or distributions on the Company's stock, redeem or repurchase shares of the Company's stock, engage in transactions with affiliates and enter into agreements restricting the Company's subsidiaries' ability to pay dividends or dispose of assets. These covenants are subject to a number of qualifications and limitations.

 The Amended Credit Agreement provides for customary events of default, including, but not limited to, failure to pay principal and interest, failure to comply with covenants, agreements or conditions, and certain events of bankruptcy or insolvency involving the Company and its material subsidiaries.

 As a result of the modification and extinguishment of the Company's prior credit agreement, the Company recognized a loss on extinguishment of $7.2 million, recorded to the Interest expense and financing fee amortization line item for the twelve months ended December 31, 2022, on the Company's Consolidated Statement of Operations, of which $4.6 million is reflected within the Amortization of deferred financing fees line item in operating activities and $2.6 million is reflected within the Payment of debt extinguishment costs line item under financing activities on the Consolidated Statement of Cash Flows for the twelve months ended December 31, 2022. As of December 31, 2024, the outstanding balance of the Amended Credit Agreement was $580.6 million and the carrying value was $570.1 million.

 Bridge Credit Agreement

 On June 30, 2024, Spirit entered into a Delayed-Draw Bridge Credit Agreement (the "Bridge Credit Agreement") with Morgan Stanley Senior Funding, Inc. ("MSSF") as lender, as administrative agent and as collateral agent. The Bridge Credit Agreement provides for a senior secured delayed-draw bridge term loan facility in an aggregate principal amount of $350.0. On February 14, 2025, the Company entered into the First Amendment to Delayed-Draw Bridge Credit Agreement (the "Bridge Credit Agreement Amendment") to the Bridge Credit Agreement (the Bridge Credit Agreement, as amended by the Bridge Credit Agreement Amendment, the "Amended Bridge Credit Agreement") with MSSF to remove the requirement that the audit opinion with respect to the Company's annual financial statements for the fiscal year ending December 31, 2024 not be subject to a "going concern" qualification.

 Subject to certain customary conditions, Spirit may borrow funds available under the Amended Bridge Credit Agreement, in up to three separate advances, until the earlier of the termination of the Merger Agreement and the Bridge Maturity Date (as defined below). Proceeds of loans under the Amended Bridge Credit Agreement will be used for general corporate purposes of Spirit and its subsidiaries, other than the repayment or redemption of other indebtedness. Commitments under the Amended Bridge Credit Agreement will be reduced to zero on the earliest of the date that Spirit provides notice that the Merger Agreement is terminated or it publicly announces the same, and the maturity date. The Amended Bridge Credit Agreement will mature, and all obligations thereunder will become due and payable, on the earlier of the date the Merger is consummated and March 31, 2025 (the "Initial Outside Date"), subject to automatic extension for one additional three-month period if the Initial Outside Date is extended in accordance with the terms of the Merger Agreement (such earlier date, the "Bridge Maturity Date").

 The principal amount of loans under the Amended Bridge Credit Agreement will bear interest at a rate per annum equal to the TLB Yield (as defined in the Bridge Credit Agreement) plus a margin of 0.50%. Spirit will pay to MSSF a duration fee equal to 0.125% of the aggregate amount of the loans and commitments under the Amended Bridge Credit Agreement every 60 days after the date of the Amended Bridge Credit Agreement.

 The obligations under the Amended Bridge Credit Agreement are guaranteed on a senior secured basis by Holdings, Spirit NC, a wholly owned subsidiary of Spirit, and certain future, direct or indirect, wholly owned material domestic subsidiaries of Holdings (collectively, the "Guarantors") and are secured by a first-priority lien with respect to substantially all assets of Spirit and the Guarantors, subject to certain exceptions.

 The Amended Bridge Credit Agreement requires commitments thereunder to be reduced, and loans to be prepaid, with, (a) 100% of the net cash proceeds of certain non-ordinary course asset sales by Holdings or any of its subsidiaries (other than certain non-ordinary course divestitures contemplated by the Merger Agreement or the Airbus Term Sheet) and (b) 100% of the net cash proceeds of certain issuances, offerings or placements of indebtedness or equity interests by Holdings or any of its subsidiaries, in each case subject to certain exceptions set forth in the Amended Bridge Credit Agreement.

 The Amended Bridge Credit Agreement contains customary affirmative and negative covenants that are typical for facilities and transactions of this type and nature and that, among other things, restrict Holdings and its restricted subsidiaries' ability to incur additional indebtedness, create liens, consolidate or merge, make acquisitions and other investments, guarantee obligations of third parties, make loans or advances, declare or pay certain dividends or distributions on Holdings' stock, redeem or repurchase shares of Holdings' stock, engage in transactions with affiliates and enter into agreements restricting Holdings' subsidiaries' ability to pay dividends or dispose of assets. These covenants are subject to a number of qualifications and limitations set forth in the Amended Bridge Credit Agreement.

 The Amended Bridge Credit Agreement also contains a securities demand provision under which, if Spirit has publicly announced the termination of the Merger Agreement and any loans under the Amended Bridge Credit Agreement remain outstanding on the date that is 10 business days after the date of such public announcement, then, upon MSSF's request, Holdings and Spirit (as applicable) would be required, after a roadshow and marketing period customary for similar offerings, to issue permanent debt and/or equity securities and/or incur and borrow under credit facilities and/or bank financings, in each case, in an aggregate amount of up to $500.0 to repay all outstanding amounts under the Amended Bridge Credit Agreement and all related fees and expenses.

 The Amended Bridge Credit Agreement provides for customary events of default, including, but not limited to, failure to pay principal and interest, failure to comply with covenants, agreements or conditions, and certain events of bankruptcy or insolvency involving Spirit and its material subsidiaries.

 On July 18, 2024, August 15, 2024, and September 12, 2024, Spirit borrowed $200.0 million, $100.0 million, and $50.0 million, respectively, under the Amended Bridge Credit Agreement.

 As of December 31, 2024, the outstanding balance of the Amended Bridge Credit Agreement was $350.0 million and the carrying value was $347.9 million.

 As of December 31, 2024, the Company was in compliance with all covenants in the Amended Bridge Credit Agreement.

 Exchangeable Notes

 On November 13, 2023, Spirit entered into an Indenture (the "Exchangeable Notes Indenture"), by and among Spirit, the Guarantors, and The Bank of New York Mellon Trust Company, N.A., as trustee, in connection with Spirit's issuance of $230.0 million aggregate principal amount of its 3.250% Exchangeable Senior Notes due 2028 (the "Exchangeable Senior Notes"). The Exchangeable Senior Notes were issued and sold in a private placement to qualified institutional buyers pursuant to Rule 144A under the Securities Act. The Exchangeable Senior Notes are senior, unsecured obligations of Spirit and are fully and unconditionally guaranteed on a senior, unsecured basis by the Guarantors.

 The Exchangeable Senior Notes mature on November 1, 2028, unless earlier exchanged, redeemed or repurchased, and bear interest at a rate of 3.250% per year payable semiannually in cash in arrears on May 1 and November 1 of each year. The first interest payment date was May 1, 2024.

 The Exchangeable Senior Notes will be exchangeable at an initial exchange rate of 34.3053 shares of Spirit Holdings' Class A common stock per $1,000 principal amount of Exchangeable Senior Notes (equivalent to an initial exchange price of

 approximately $29.15 per share of Class A common stock). At the initial exchange rate, the Senior Notes would be convertible into 7,890,219 shares of Spirit Holdings' Class A common stock. The initial exchange rate is subject to adjustment, as provided in the Exchangeable Notes Indenture. Upon exchange of the Exchangeable Senior Notes, Spirit will pay and/or deliver cash, shares of Class A common stock or a combination of cash and shares of Class A common stock, at Spirit's election, in respect of its exchange obligations for the Exchangeable Senior Notes. Prior to the close of business on the business day immediately preceding August 1, 2028, the Exchangeable Senior Notes will be exchangeable at the option of the noteholders only upon the satisfaction of specified conditions and during certain periods described in the Exchangeable Notes Indenture. On or after August 1, 2028, until the close of business on the business day immediately preceding the maturity date, the Exchangeable Senior Notes will be exchangeable at the option of the noteholders at any time regardless of these conditions or periods.

 Prior to November 6, 2026, Spirit may not redeem the Exchangeable Senior Notes. On or after November 6, 2026, Spirit may redeem for cash all or any portion (subject to certain limitations) of the Exchangeable Senior Notes, at its option, if the last reported sale price of the Spirit Holdings' Class A common stock has been at least 130% of the exchange price then in effect for at least 20 trading days (whether or not consecutive) during any 30 consecutive trading day period (including the last trading day of such period) ending on, and including, the trading day immediately preceding the date on which Spirit provides the notice of redemption, at a redemption price equal to 100% of the principal amount of the Exchangeable Senior Notes to be redeemed, plus accrued and unpaid interest to, but excluding, the redemption date. No "sinking fund" is provided for the Exchangeable Senior Notes.

 Subject to certain conditions and exceptions, holders of the Exchangeable Senior Notes will have the right to require Spirit to repurchase all or a portion of their Exchangeable Senior Notes upon the occurrence of a fundamental change such as stockholder approval of a plan or proposal for the liquidation or dissolution of the Company, or the delisting of Spirit's stock (see the Exchangeable Notes Indenture for a complete listing of events) at a repurchase price of 100% of their principal amount plus any accrued and unpaid interest. In connection with certain corporate events or if Spirit calls any Exchangeable Senior Notes for redemption, Spirit will, under certain circumstances, be required to increase the exchange rate for noteholders who elect to exchange their Exchangeable Senior Notes in connection with any such corporate event or exchange their Exchangeable Senior Notes called for redemption during the related redemption period.

 With the exception of covenants restricting Spirit's and the Guarantors' ability to merge, consolidate or sell substantially all of their respective assets, the Indenture does not provide for restrictive covenants.

 As of December 31, 2024, the outstanding balance of the Exchangeable Senior Notes was $230.0 million and the carrying value was $223.6 million.

 Second Lien 2030 Notes

 On November 21, 2023, Spirit entered into an Indenture (the "Second Lien 2030 Notes Indenture"), by and among Spirit, the Guarantors, and The Bank of New York Mellon Trust Company, N.A., as trustee and collateral agent, in connection with Spirit's offering of $1,200.0 million aggregate principal amount of its 9.75% Senior Secured Second Lien Notes due 2030 (the "Second Lien 2030 Notes"). The Second Lien 2030 Notes were issued and sold in a private placement to qualified institutional buyers pursuant to Rule 144A under the U.S. Securities Act of 1933, as amended (the "Securities Act"), and in offshore transactions to non-U.S. persons pursuant to Regulation S under the Securities Act.

 The Second Lien 2030 Notes mature on November 15, 2030 and bear interest at a rate of 9.75% per year payable semiannually in cash in arrears on May 15 and November 15 of each year. The first interest payment date was May 15, 2024. The Second Lien 2030 Notes are guaranteed by the Guarantors, and each existing and future, direct and indirect, wholly-owned material domestic subsidiary of the Company, subject to certain customary exceptions. The Second Lien 2030 Notes are secured by a second-priority lien with respect to substantially all assets of Spirit and the Guarantors, subject to certain exceptions.

 The Second Lien 2030 Notes Indenture contains covenants that limit Spirit's, the Company's and the Company's restricted subsidiaries' ability, subject to certain exceptions and qualifications, to incur indebtedness secured by liens, enter into sale and leaseback transactions, make restricted payments and investments and enter into certain mergers or consolidations and transfer substantially all of the Company and its subsidiaries' assets. These covenants are subject to a number of qualifications and limitations. In addition, the Second Lien 2030 Notes Indenture provides for customary events of default.

 As of December 31, 2024, the outstanding balance of the Second Lien 2030 Notes was $1,200.0 million and the carrying value was $1,181.9 million.

 First Lien 2029 Notes

 On November 23, 2022, Spirit entered into an Indenture (the "First Lien 2029 Notes Indenture"), by and among Spirit, the Guarantors, and The Bank of New York Mellon Trust Company, N.A., as trustee and collateral agent, in connection with Spirit's offering of $900 million aggregate principal amount of its 9.375% Senior Secured First Lien Notes due 2029 (the "First Lien 2029 Notes"). The First Lien 2029 Notes were issued and sold in a private placement to qualified institutional buyers pursuant to Rule 144A under the U.S. Securities Act of 1933, as amended (the "Securities Act"), and in offshore transactions to non-U.S. persons pursuant to Regulation S under the Securities Act.

 The First Lien 2029 Notes mature on November 30, 2029 and bear interest at a rate of 9.375% per year payable semiannually in cash in arrears on May 30 and November 30 of each year. The first interest payment date was May 30, 2023. The First Lien 2029 Notes are guaranteed by the Guarantors, and each existing and future, direct and indirect, wholly-owned material domestic subsidiary of the Company, subject to certain customary exceptions. The First Lien 2029 Notes are secured by a first-priority lien with respect to substantially all assets of Spirit and the Guarantors, subject to certain exceptions.

 The First Lien 2029 Notes Indenture contains covenants that limit Spirit's, the Company's and the Company's restricted subsidiaries' ability, subject to certain exceptions and qualifications, to incur indebtedness secured by liens, enter into sale and leaseback transactions, make restricted payments and investments and enter into certain mergers or consolidations and transfer substantially all of the Company and its subsidiaries' assets. These covenants are subject to a number of qualifications and limitations. In addition, the First Lien 2029 Notes Indenture provides for customary events of default.

 As of December 31, 2024, the outstanding balance of the First Lien 2029 Notes was $900.0 million and the carrying value was $889.9 million.

 2025 Notes

 On October 5, 2020, Spirit entered into an Indenture (the "First Lien 2025 Notes Indenture"), by and among Spirit, the Guarantors, and The Bank of New York Mellon Trust Company, N.A., as trustee and collateral agent, in connection with Spirit's offering of $500.0 million aggregate principal amount of its 5.500% Senior Secured First Lien Notes due 2025 (the "2025 Notes").

 The 2025 Notes were issued and sold in a private placement to qualified institutional buyers pursuant to Rule 144A under the U.S. Securities Act of 1933, as amended (the "Securities Act"), and in offshore transactions to non-U.S. persons pursuant to Regulation S under the Securities Act.

 The 2025 Notes matured on January 15, 2025 and bore interest at a rate of 5.500% per year payable semiannually in cash in arrears on January 15 and July 15 of each year. The first interest payment date was January 15, 2021.

 The 2025 Notes were guaranteed by the Guarantors and were initially secured by a first-priority lien with respect to substantially all assets of Spirit and the Guarantors, subject to certain exceptions.

 The 2025 Notes Indenture initially contained covenants that limit Spirit's, the Company's and the Company's restricted subsidiaries' ability, subject to certain exceptions and qualifications, to incur indebtedness secured by liens, enter into sale and leaseback transactions, make restricted payments and investments and enter into certain mergers or consolidations and transfer substantially all of the Company and its subsidiaries' assets. These covenants were subject to a number of qualifications and limitations. In addition, the First Lien 2025 Indenture provides for customary events of default.

 In the fourth quarter of 2022, Spirit purchased $479.2 million in aggregate principal amount of its outstanding 2025 Notes for cash pursuant to a tender offer (the "Tender Offer"). As of December 31, 2024, the outstanding balance of the 2025 Notes was $20.8 million and the carrying value was $20.8 million. In connection with the Tender Offer, Spirit received the requisite consents from holders of the 2025 Notes necessary to approve amendments to the 2025 First Lien Notes Indenture, to, among other things, eliminate certain of the restrictive covenants and events of default contained in the 2025 First Lien Notes Indenture (the "Majority Amendments") and terminate the security interest and release the collateral under the 2025 First Lien Notes Indenture (the "Collateral Release Amendments"). Spirit, the Company, Spirit NC and The Bank of New York Mellon Trust Company, N.A. entered into the First Supplemental Indenture, dated as of November 23, 2022, to the 2025 First Lien Notes Indenture, which effects (i) the Majority Amendments and (ii) the Collateral Release Amendments, in each case, as of November 23, 2022. As of December 31, 2023, the 2025 Notes were unsecured and the First Lien 2025 Notes Indenture no

 longer included covenants that limit Spirit's, the Company's and the Company's subsidiaries' ability to incur indebtedness secured by liens, enter into sale and leaseback transactions or make restricted payments and investments.

 2026 Notes

 In June 2016, the Company issued $300.0 million in aggregate principal amount of 3.850% Senior Notes due June 15, 2026 (the "2026 Notes") with interest payable, in cash in arrears, on June 15 and December 15 of each year, beginning December 15, 2016. As of December 31, 2024, the outstanding balance of the 2026 Notes was $300.0 million and the carrying value was $299.5 million. The Company and Spirit NC guarantee Spirit's obligations under the 2026 Notes on a senior secured basis.

 On February 24, 2020, Spirit entered into a Second Supplemental Indenture (the "Second Supplemental Indenture") by and among Spirit, the Company, Spirit NC, and The Bank of New York Mellon Trust Company, N.A. (the "Trustee"), as trustee in connection with the 2026 Notes. Under the Second Supplemental Indenture, the 2026 Noteholders were granted security on an equal and ratable basis with the lenders under the 2018 Credit Agreement until the security in favor of the lenders under the 2018 Credit Agreement was released on October 5, 2020. The Supplemental Indenture also added Spirit NC as an additional guarantor under the indenture governing the 2026 Notes.

 On April 17, 2020, Spirit entered into a Third Supplemental Indenture (the "Third Supplemental Indenture"), by and among Spirit, the Company, Spirit NC and The Bank of New York Mellon Trust Company, N.A., as trustee in connection with the 2026 Notes. Under the Third Supplemental Indenture, the noteholders were granted security on an equal and ratable basis with the holders of the Second Lien 2025 Notes until the security in favor of the holders of the Second Lien 2025 Notes was released on November 21, 2023.

 On October 5, 2020, Spirit entered into a Fourth Supplemental Indenture (the "Fourth Supplemental Indenture"), by and among Spirit, the Company, Spirit NC and The Bank of New York Mellon Trust Company, N.A., as trustee in connection with the 2026 Notes. Under the Fourth Supplemental Indenture, the holders of the 2026 Notes were granted security on an equal and ratable basis with the holders of the First Lien 2025 Notes (until the security in favor of the lenders under the holders of the First Lien 2025 Notes was released on November 23, 2022) and the secured parties under the Amended Credit Agreement.

 On November 23, 2022, Spirit entered into a Fifth Supplemental Indenture (the "Fifth Supplemental Indenture"), by and among Spirit, the Company, Spirit NC and The Bank of New York Mellon Trust Company, N.A., as trustee in connection with the 2026 Notes. Under the Fifth Supplemental Indenture, the holders of the 2026 Notes were granted security on an equal and ratable basis with the holders of the First Lien 2029 Notes.

 On November 21, 2023, Spirit entered into a Sixth Supplemental Indenture (the "Sixth Supplemental Indenture"), by and among Spirit, the Company, Spirit NC and The Bank of New York Mellon Trust Company, N.A., as trustee in connection with the 2026 Notes. Under the Sixth Supplemental Indenture, the holders of the 2026 Notes were granted security on an equal and ratable basis with the holders of the Second Lien 2030 Notes.

 On June 30, 2024, Spirit entered into a Seventh Supplemental Indenture (the "Seventh Supplemental Indenture"), by and among Spirit, Holdings, Spirit NC and The Bank of New York Mellon Trust Company, N.A., as trustee, in connection with the 2026 Notes. Under the Seventh Supplemental Indenture, the holders of the 2026 Notes were granted security on an equal and ratable basis with the secured parties under the Bridge Credit Agreement.

 2028 Notes

 On May 30, 2018, Spirit entered into an Indenture (the "2018 Indenture") by and among Spirit, the Company and The Bank of New York Mellon Trust Company, N.A., as trustee in connection with Spirit's offering of $300.0 million aggregate principal amount of its Senior Floating Rate Notes due 2021 (the "Floating Rate Notes"), $300.0 million aggregate principal amount of its 3.950% Senior Notes due 2023 (the "2023 Notes") and $700.0 million aggregate principal amount of its 4.600% Senior Notes due 2028 (the "2028 Notes" and, together with the Floating Rate Notes and the 2023 Notes, the "2018 Notes"). Holdings guaranteed Spirit's obligations under the 2018 Notes on a senior unsecured basis.

 On February 24, 2021, Spirit redeemed the outstanding $300.0 million principal amount of the Floating Rate Notes. On November 23, 2022, Spirit redeemed the outstanding $300.0 million principal amount of the 2023 Notes. The 2028 Notes bear interest at a rate of 4.600% per annum and mature on June 15, 2028. Interest on the 2028 Notes is payable on June 15 and December 15 of each year, beginning on December 15, 2018. The outstanding balance of the Floating Rate Notes, 2023 Notes,

 and 2028 Notes was $0.0, $0.0, and $700.0 million as of December 31, 2024, respectively. The carrying value of the Floating Rate Notes, 2023 Notes, and 2028 Notes was $0.0, $0.0, and $697.3 million as of December 31, 2024, respectively.

 The 2018 Indenture contains covenants that limit Spirit's, the Company's and certain of the Company's subsidiaries' ability, subject to certain exceptions and qualifications, to create liens and enter into sale and leaseback transactions. These covenants are subject to a number of qualifications and limitations. In addition, the 2018 Indenture provides for customary events of default.

 As of December 31, 2024, the Company was in compliance with all covenants contained in the indentures governing the First Lien 2029 Notes, First Lien 2025 Notes, Second Lien 2030 Notes, 2026 Notes, and the 2028 Notes.

 For additional information on our outstanding debt, please see Note 17 to the Consolidated Financial Statements, Debt.

 Common Stock Offering

 On November 8, 2023, we entered into an underwriting agreement in connection with the registered public offering of 10,454,545 shares of our Class A common stock, including the underwriters' option to purchase 1,363,636 additional shares of Class A common stock, at a price to the public of $22.00 per share of Class A common stock. On November 13, 2023, we issued and sold 10,454,545 shares of our Class A common stock pursuant to the Underwriting Agreement, which included the exercise in full of the underwriters' option to purchase additional shares of Class A common stock. The net proceeds to us from the Common Stock Offering, after deducting underwriting discounts and commissions and offering expenses payable by us, were approximately $220.7 million.

 Receivables Financing

 We have agreements to sell, on a revolving basis, certain trade accounts receivable balances with Boeing, Airbus, and Rolls-Royce to third-party financial institutions. These programs were primarily entered into as a result of Boeing and Airbus seeking payment term extensions with us, and they continue to allow us to monetize the receivables prior to their payment date, subject to payment of a discount. Our ability to continue using such agreements is primarily dependent upon the strength of Boeing's, Airbus's, and Rolls-Royce's financial condition. If any of these financial institutions involved with these arrangements experiences financial difficulties, becomes unwilling to support Boeing, Airbus, or Rolls-Royce due to a deterioration in their financial condition or otherwise, or is otherwise unable to honor the terms of the factoring arrangements, we may experience significant disruption and potential liquidity issues, which could have an adverse impact upon our operating results, financial condition and cash flows. For the twelve months ended December 31, 2024, $3,525.2 million of accounts receivable were sold via these arrangements. For additional information on the sale of receivables, please see Note 7 to the Consolidated Financial Statements, Accounts Receivable, net.

 Supply Chain Financing Applicable to Suppliers

 We have provided our suppliers with access to a supply chain financing program through facilities with third-party financing institutions. The program allows suppliers to monetize the receivables prior to their payment date, subject to payment of a discount. Our suppliers' ability to continue using such agreements is primarily dependent upon the strength of our financial condition. During the twelve months ended December 31, 2024, we decreased capacity under our existing supply chain financing program as we removed a financing institution from the program in 2024. While our suppliers' access to this supply chain financing program could be curtailed if our credit ratings are downgraded, we do not expect that changes in the availability of supply chain financing to our suppliers will have a significant impact on our liquidity.

 The balance of payables to suppliers who elected to participate in the supply chain financing program included in our accounts payable balance as of December 31, 2024 was $76.8 million, a decrease of $78.8 million over the balance as of December 31, 2023 of $155.6 million as we removed a financing institution from the program. In the comparable prior year period, payables to suppliers who elected to participate in the supply chain financing program increased by $53.6 million over the twelve months ended December 31, 2022 as we added an additional financing institution to provide more capacity during 2023. The changes in each period primarily reflect purchases from suppliers related to production levels during the applicable period.

 Credit Ratings

 As of December 31, 2024, our corporate credit ratings were B by Standard & Poor's Global Ratings ("S&P"), and B2 by Moody's Investors Service, Inc. ("Moody's").

 The ratings reflect, among other things, the agencies' assessment of our ability to pay interest and principal on our debt securities and credit agreements. A rating is not a recommendation to purchase, sell or hold securities. Each rating is subject to revision or withdrawal at any time by the assigning rating organization. Each rating agency has its own methodology for assigning ratings and, accordingly, each rating should be considered independently of all other ratings. These ratings and our current credit condition affect, among other things, our ability to access new capital. Negative changes to these ratings have in the past resulted in, and may in the future result in, more stringent covenants and higher interest rates under the terms of any new debt.

 Derivatives and Hedging

 The Company has entered into a series of currency forward contracts, each designated as a cash flow hedge upon the date of execution, for the purpose of reducing the variability of cash flows and hedging against the foreign currency exposure for forecasted payroll, pension and vendor disbursements that are expected to be made in the British pound sterling at our operations located in Belfast, Northern Ireland. All outstanding foreign currency forward contracts were settled in August 2024. Since the forecasted transactions remain probable of occurring, the changes in the fair value of cash flow hedges recorded in AOCI will be recognized in earnings in the period in which the forecasted transactions impact earnings. Changes in the fair value of cash flow hedges are recorded in AOCI and recorded in earnings in the period in which the forecasted transactions impact earnings. The gain recognized in AOCI was $1.5 million for the twelve months ended December 31, 2024. Within the next 12 months, the Company expects to recognize a gain of $0.9 million in earnings related to the foreign currency forward contracts.

 Pension and Other Post-Retirement Benefit Obligations

 Effective October 1, 2021, we spun off a portion of the existing PVP A, to a new plan called PVP B. As part of the PVP B plan termination process, a lump sum offering was provided during 2021 for PVP B participants and the final asset distribution was completed in the first quarter of 2022. At December 31, 2024, a pension reversion asset of $41.2 million is recorded on the Restricted plan assets line item on the Company's Consolidated Balance Sheets. Restricted plan assets are expected to be reduced over five years as they are distributed to employees under a qualified benefit program.

 In July 2022 the Company adopted and communicated to participants a plan to terminate the PVP A. During the twelve months ended December 31, 2022, the PVP A plan was amended, providing for an enhancement to benefits the Company is providing to certain U.S. employees in conjunction with the plan termination. The estimated liability impact of this plan amendment, $73.5 million, was recognized immediately as a non-cash, pre-tax non-operating charge for amortization of prior service costs. We recognized additional non-cash, pre-tax non-operating accounting charges of $34.7 million related to the plan termination, primarily reflecting the accounting for bulk lump-sum payments made in the fourth quarter of 2022, which resulted in a settlement charge related to the accelerated recognition of the actuarial losses for the PVP A plan that were previously included in the Accumulated other comprehensive loss line item in the Stockholders' Equity section of the Company's Balance Sheet. See also Note 18 Pension and Other Post-Retirement Benefits.

 In the fourth quarter of 2023, the Company applied final settlement accounting to the PVP A. During 2023, the Company received excess plan asset reversion of $188.5 million of cash from PVP A. This transaction was accounted for as a negative contribution, and is included on the Pension plans employer contributions line item on the Consolidated Statements of Cash Flows for the year ended December 31, 2023. Excise tax of $37.7 million related to the reversion of excess plan assets was separately recorded to the Other expense, net line item on the Consolidated Statements of Operations for the year ended December 31, 2023. See also Note 24 Other Expense, net to our consolidated financial statements included in Item 8 of this Annual Report for more information. At December 31, 2024 and 2023, an excess pension plan asset reversion of $41.2 million and $61.1 million is recorded on the Restricted plan assets line item on the Company's Consolidated Balance Sheets. Restricted plan assets are expected to be reduced over five years as they are distributed to employees under a qualified benefit program.

 Cash Flows

 The following table provides a summary of our cash flows for the twelve months ended December 31, 2024, 2023, and 2022:

 $
 (2,139.0)
 $
 (616.1)
 $
 (546.2)

 Adjustments to reconcile net income
 1,126.3
 203.9
 286.7

 Changes in working capital
 (108.2)
 186.4
 (135.1)

 Net cash used in operating activities
 (1,120.9)
 (225.8)
 (394.6)

 Net cash used in investing activities
 (152.4)
 (147.8)
 (155.5)

 Net cash provided by (used in) financing activities

 994.5
 531.6
 (261.0)

 Effect of exchange rate change on cash and cash equivalents
 (0.6)
 9.5
 (8.9)

 Net (decrease) increase in cash, cash equivalents, and restricted cash for the period

 (279.4)
 167.5
 (820.0)

 Cash, cash equivalents, and restricted cash, beginning of period
 845.9
 678.4
 1,498.4

 Cash, cash equivalents, and restricted cash, end of period
 $
 566.5
 $
 845.9
 $
 678.4

 Twelve Months Ended December 31, 2024 as Compared to Twelve Months Ended December 31, 2023

 Operating Activities

 For the twelve months ended December 31, 2024, we had a net cash outflow of $1,120.9 million from operating activities, an increase in net outflow of $895.1 million compared to a net cash outflow of $225.8 million for the prior year. The increase in net cash outflow was driven primarily by the use of cash related to negative program performance year-over-year and the buildup of contract assets due to the significant reduction in shipments of Boeing end items due to changes implemented by Boeing in March 2024 to introduce a new product verification process in Wichita, KS. This change in business process has delayed delivery acceptances and caused a buildup of undelivered units in Wichita, KS. Additionally, the prior year was impacted by the excess pension plan asset reversion as discussed in Note 15 Pension and Other Post-Retirement Benefits to our consolidated financial statements included in Item 8 of this Annual Report.

 Investing Activities

 For the twelve months ended December 31, 2024, we had a net cash outflow of $152.4 million from investing activities, compared to a net cash outflow of $147.8 million for the prior year. This increase in net cash outflow was primarily driven by slightly increased capital expenditures.

 Financing Activities

 For the twelve months ended December 31, 2024, we had a net cash inflow of $994.5 million for financing activities, an increase in inflows of $462.9 million as compared to a net cash inflow of $531.6 million for the same period in the prior year. The increased cash inflow was primarily driven by $445.0 million of increased receipts of Boeing advances and $350.0 million of borrowings under the Bridge Credit Agreement in the current year, partially offset by the impact of the common stock offering in the prior year. No dividends were paid to our stockholders of record, nor were there repurchases of Common Stock under our share repurchase program during the twelve months ended December 31, 2024 or December 31, 2023, respectively.

 Twelve Months Ended December 31, 2023 as Compared to Twelve Months Ended December 31, 2022

 Operating Activities

 For the twelve months ended December 31, 2023, we had a net cash outflow of $225.8 million from operating activities, a decrease in net outflow of $168.8 million compared to a net cash outflow of $394.6 million for the prior year. The decrease in

 net cash outflow was driven primarily by the receipt of pension asset reversion payments discussed in Note 18 Pension and Other Post-Retirement Benefits, an increase in advance payments and an increased deferred revenue, partially offset by an increase to working capital associated with increased production throughout the twelve months ended December 31, 2023. Operating activities also include the pension asset reversion to cash discussed in Note 18 Pension and Other Post-Retirement Benefits, $100.0 million in advances received from Airbus and $100.0 million received from Boeing in 2023 per the terms of the 2023 MOA for tooling and capital for certain planned and potential Boeing B737 and B787 program rate increases, as compared to the cash repayments of $123.0 million made in 2022 of the advance payment received from Boeing on the B737 program, and the interest payment associated with the settlement of the repayable investment agreement between the Company and the BEIS. See also Note 14 Advance Payments and Note 24 Other Expense, net.

 Investing Activities

 For the twelve months ended December 31, 2023, we had a net cash outflow of $147.8 million from investing activities, compared to a net cash outflow of $155.5 million for the prior year. This decrease in net outflow was primarily driven by cash outflows related to our prior year acquisition of T.E.A.M., Inc., while the current year had no equivalent outflows. This was partially offset by higher capital expenditures in the current year.

 Financing Activities

 For the twelve months ended December 31, 2023, we had a net cash inflow of $531.6 million for financing activities, an increase in inflows of $792.6 million as compared to a net cash outflow of $(261.0) million for the same period in the prior year. The increased cash inflow was primarily driven by various financing transactions including the issuance of common stock which represented a cash inflow of $220.7 million, the incremental $300 million borrowed as part of the issuance of the Second Lien 2030 Notes over the extinguishment of the Second Lien 2025 Notes as compared to the issuance of $900 million of First Lien 2029 Notes in the prior year, and $222.2 million from the issuance of the Exchangeable Senior Notes. During the twelve months ended December 31, 2023, we paid dividends of $0.0 million to our stockholders of record, compared to dividends of $4.2 million paid in the same period in the prior year. There were no repurchases of Common Stock under our share repurchase program during either the twelve months ended December 31, 2023 or December 31, 2022, respectively.

 Future Cash Needs and Capital Spending

 Impacts from, among other things, the B737 MAX grounding, the COVID-19 pandemic, production rate changes for the B737 MAX program and other programs, supply chain disruptions and quality issues, labor shortages and cost increases have significantly impacted our liquidity requirements and operations. Our primary future cash needs will consist of working capital, research and development, capital expenditures, debt service, integration activity, and potential merger and acquisition activity. We expend significant capital as we undertake new programs, which begin in the non-recurring investment phase of our business model. In addition, we expend significant capital to meet increased production rates, which we expect will happen as the aviation industry continues recovery through the current challenging macroeconomic environment; however, we cannot give any assurances that continued progress towards normalization to expected production rates will happen soon enough for us to fund our operations and meet our debt repayment obligations. We also require capital to develop new technologies for the next generation of aircraft, which may not be funded by our customers. Historically, share repurchases and dividend payments have also been factors affecting our liquidity. As described below, our share repurchase program and quarterly dividend have been paused.

 Based on current operating trends and the current year impacts of the B737 MAX 9 derivative grounding and resultant production ramp up delays and increased financial liabilities which were needed to fund operations, our projected revenues and cash flows over the next twelve months have declined. Additionally, although the advances received in 2024 have provided essential operational liquidity, there can be no assurance that we will be able to obtain additional advances from our customers, repay current advances on the specified due dates, renegotiate the due date or otherwise obtain additional liquidity as needed under acceptable terms or at all. The Company will require additional liquidity to continue its operations over the next twelve months. Limitations on our ability to access the capital or credit markets, the cost impacts of additional production rate changes, difficulty with managing costs due to labor shortages, supply chain disruptions, inflation or other factors, or unfavorable terms or general reductions in liquidity, may adversely and materially impact our business, financial condition, and results of operations, and prevent us from being able to meet our obligations as they become due. There can be no assurance that we will be able to access the capital or credit markets or, if we do have such access, that it will be on favorable terms. Further, we could experience significant fluctuations in our cash flows from period to period, particularly during the continued uncertainty during the aviation industry recovery and the current challenging macroeconomic environment. While we may be able to modify, defer or eliminate some of our uses of cash as described above to manage our cash consumption, other uses are relatively fixed and are difficult to modify in the short-term.

 Prolonged global inflationary pressures have also impacted labor, supply chain, energy, freight, raw material and other costs, in addition to increased interest costs related to counter-inflationary measures taken by central banks. In certain situations, we have the ability to recover certain abnormal inflationary impacts through contractual agreements with our customers, however, we anticipate that we will experience reduced levels of profitability related to inflationary impacts until such time as the rate of inflation subsides to normal historical levels.

 The B737 MAX grounding and its residual demand impacts created and continues to create significant liquidity challenges for the Company. Spirit delivered 268 B737 MAX shipsets in year ended December 31, 2024 compared to 606 B737 MAX shipsets delivered in the last full year period prior to the grounding, which was the year ended December 31, 2019. While we expect the production rate to increase in future periods, that expectation is subject to a number of risks that are described further in Item 1A. "Risk Factors" of this Annual Report.

 If production levels are further reduced by our customers for any reason beyond current expectations or if we have difficulties in managing our cost structure to take into account changes in production schedules, our liquidity position may worsen if we are unable to procure additional financing, and our business, financial condition, results of operations and cash flows could be materially adversely impacted.

 On November 17, 2024, the Company entered into a definitive agreement to sell our FMI business, a fully owned subsidiary of Spirit AeroSystems, Inc., for $165.0 million, subject to customary purchase price adjustments and closing conditions as set forth in the definitive agreement. The transaction closed on January 13, 2025 and the Company received $160.1 million in cash. For additional information, see Note 30 Acquisitions and Dispositions.

 As of December 31, 2024, there was $925 million remaining in the Company's Board-approved share repurchase program. Share repurchases are currently on hold. On November 3, 2022, the Company announced that the Board had suspended payments of dividends. The Board regularly evaluates the Company's capital allocation strategy and dividend policy. Any future determination to pay dividends will be at the discretion of our Board of Directors and will depend upon, among other factors, our results of operations, financial condition, capital requirements and contractual restrictions, including the requirements of financing agreements to which we may be a party. No assurance can be given that cash dividends will continue to be declared and paid at historical levels or at all.

 Foreign Operations

 We engage in business in various non-U.S. markets. As of December 31, 2024, we have facilities in the U.K., France, Malaysia, and Morocco. We are also members of joint ventures in both Taiwan and the People's Republic of China.

 Currency fluctuations, tariffs and similar import limitations, price controls, tax reform, and labor regulations can affect our foreign operations. Other potential limitations on our foreign operations include expropriation, nationalization, restrictions on foreign investments or their transfers, and additional political and economic risks. In addition, the transfer of funds from foreign operations could be impaired by any restrictive regulations that foreign governments could enact.

 Sales to foreign customers are subject to numerous additional risks, including the impact of foreign government regulations, political uncertainties, and differences in business practices. There can be no assurance that foreign governments will not adopt regulations or take other actions that would have a direct or indirect adverse impact on our business or market opportunities with such governments' countries. Furthermore, the political, cultural, and economic climate outside the U.S. may be unfavorable to our operations and growth strategy.

 For the twelve months ended December 31, 2024, our net revenues from direct sales to non-U.S. customers were $1,505.6 million, or 24% of total net revenues for the same period. For the twelve months ended December 31, 2023, our net revenues from direct sales to non-U.S. customers were $1,380.8 million, or 23% of total net revenues for the same period. For the twelve months ended December 31, 2022, our net revenues from direct sales to non-U.S. customers were $1,215.1 million, or 24% of total net revenues for the same period.

 Our foreign operations subject us to risks that are described further in Item 1A. "Risk Factors" of this Annual Report.

 Information Regarding Guarantors of Spirit's Notes Registered Under the Securities Act of 1933

 Spirit's 2026 Notes are guaranteed by Spirit AeroSystems North Carolina, Inc., a wholly-owned subsidiary of the Company ("Spirit NC") and Spirit Holdings, and Spirit's 2028 Notes are guaranteed by Spirit Holdings. None of Spirit's notes are guaranteed by Spirit's or Spirit Holdings' other domestic subsidiaries or any foreign subsidiaries (together, the "Non-Guarantor Subsidiaries"). Spirit Holdings consolidates each of Spirit and Spirit NC in its consolidated financial statements. Spirit and Spirit NC are both 100 percent-owned and controlled by Spirit Holdings. Spirit Holdings' guarantees of Spirit's indebtedness are full and unconditional, except that the guarantees may be automatically released and relieved upon satisfaction of the requirements for legal defeasance or covenant defeasance under the applicable indenture being met. Spirit Holdings' guarantees are also subject to a standard limitation which provides that the maximum amount guaranteed by the Company will not exceed the maximum amount that can be guaranteed without making the guarantee void under fraudulent conveyance laws.

 The guarantees of Spirit Holdings and Spirit NC with respect to Spirit's 2026 Notes are made on a joint and several basis. The guarantee of Spirit NC is not full and unconditional because Spirit NC can be automatically released and relieved of its obligations under certain circumstances, including if it no longer guarantees Spirit's Credit Agreement. Like Spirit Holdings' guarantees, the guarantee of Spirit NC is subject to a standard limitation which provides that the maximum amount guaranteed by Spirit NC will not exceed the maximum amount that can be guaranteed without making the guarantee void under fraudulent conveyance laws.

 All of the existing guarantees by Spirit Holdings and Spirit NC rank equally in right of payment with all of the guarantors' existing and future senior indebtedness. The secured indebtedness of Spirit Holdings and Spirit NC (including guarantees of Spirit's existing and future secured indebtedness) will be effectively senior to guarantees of any unsecured indebtedness to the extent of the value of the assets securing such indebtedness. Future guarantees of subordinated indebtedness will rank junior to any existing and future senior indebtedness of the guarantors. The guarantees are structurally junior to any debt or obligations of non-guarantor subsidiaries, including all debt or obligations of subsidiaries that are released from their guarantees of the notes. As of December 31, 2024, indebtedness of our non-guarantor subsidiaries included $356.3 million of outstanding borrowings under intercompany agreements with guarantor subsidiaries and $15.8 million of finance leases of our non-guarantor subsidiaries. Based on our understanding of Rule 3-10 of Regulation S-X ("Rule 3-10"), we believe that the Spirit Holdings' guarantees of Spirit's indebtedness comply with the conditions set forth in Rule 3-10, which enable us to present summarized financial information for Spirit Holdings, Spirit and Spirit NC, which is a consolidated guarantor subsidiary, in accordance with Rule 13-01 of Regulation S-X. The summarized financial information excludes information regarding the non-guarantor subsidiaries. In accordance with Rule 3-10, separate financial statements of the guarantor subsidiaries have not been presented. The following tables include summarized financial information of Spirit, Holdings, and Spirit NC (together, the "obligor group"). Investments in and equity in the earnings of Spirit Holdings' Non-Guarantor Subsidiaries, which are not a member of the obligor group, have been excluded. The summarized financial information of the obligor group is presented on a combined basis for Spirit and Spirit Holdings, and separately for Spirit NC, with intercompany balances and transactions between entities in the obligor group eliminated. The obligor group's amounts due from, amounts due to and transactions with Non-Guarantor Subsidiaries have been presented in separate line items, if they are material. There are no non-controlling interest in any of the obligor group entities.

 Summarized Statements of Income
 Twelve Months Ended December 31, 2024

 ($ millions)
 Holdings and Spirit
 Spirit NC

 Net Sales to unrelated parties
 $
 4,912.7
 $
 —

 Net Sales to Non-Guarantor Subsidiaries
 19.4
 43.7

 Gross loss on sales to unrelated parties

 (868.3)
 (0.2)

 Gross (loss) profit on sales to Non-Guarantor Subsidiaries

 (14.8)
 2.5

 (Loss) income from continuing operations

 (1,529.7)
 13.0

 Net (loss) income

 $
 (1,529.7)
 $
 13.0

 Summarized Balance Sheets
 Holdings and Spirit
 Spirit NC

 ($ millions)

 Cash and cash equivalents
 $
 381.3
 $
 657.2
 $
 —
 $
 —

 Receivables due from Non-Guarantor Subsidiaries
 161.7
 86.4
 18.3
 14.6

 Receivables due from unrelated parties
 232.0
 287.2
 —
 0.2

 Contract assets
 735.2
 469.4
 —
 —

 Inventory, net
 1,092.5
 1,060.7
 164.0
 115.2

 Assets of business held for sale

 100.6
 —
 —
 —

 Other current assets
 30.8
 31.8
 0.4
 0.1

 Total current assets
 $
 2,734.1
 $
 2,592.7
 $
 182.7
 $
 130.1

 Loan receivable from Non-Guarantor Subsidiaries
 356.3
 266.2
 —
 —

 Property, plant and equipment, net
 1,343.5
 1,425.4
 154.1
 179.5

 Pension assets, net
 41.2
 61.1
 —
 —

 Other non-current assets
 234.0
 291.6
 16.9
 4.9

 Total non-current assets
 $
 1,975.0
 $
 2,044.3
 $
 171.0
 $
 184.4

 Liabilities

 Accounts payable to Non-Guarantor Subsidiaries
 $
 132.8
 $
 118.9
 $
 6.6
 $
 5.4

 Accounts payable to unrelated parties
 728.1
 814.4
 50.6
 41.2

 Accrued expenses
 349.4
 319.0
 3.5
 1.0

 Current portion of long-term debt
 413.8
 52.7
 0.9
 1.0

 Customer financing, short-term

 515.0
 —
 —
 —

 Liabilities of business held for sale

 18.8
 —
 —
 —

 Other current liabilities
 645.4
 406.8
 0.6
 0.6

 Total current liabilities
 $
 2,803.3
 $
 1,711.8
 $
 62.2
 $
 49.2

 Long-term debt
 3,961.1
 4,006.8
 2.5
 3.4

 Contract liabilities, long-term
 177.4
 161.3
 —
 —

 Forward loss provision, long-term
 497.5
 76.1
 —
 —

 Customer financing, long-term

 290.0
 180.0
 12.0
 —

 Other non-current liabilities
 342.5
 393.4
 15.3
 4.2

 Total non-current liabilities
 $
 5,268.5
 $
 4,817.6
 $
 29.8
 $
 7.6

 Item 7A. Quantitative and Qualitative Disclosures About Market Risk

 As a result of our operating and financing activities, we are exposed to various market risks that may affect our consolidated results of operations and financial position. These market risks include credit risks, commodity price, availability risks, interest rate risks, and foreign exchange risks.

 Credit Risks

 Financial instruments that potentially subject us to significant concentrations of credit risk consist principally of cash investments, the funds in which our pension assets are invested, trade accounts receivable, and unbilled receivables included in contract assets.

 Accounts receivable includes amounts billed and currently due from customers. Contract assets include amounts due from customers for performance obligations that have been satisfied but for which amounts have not been billed. These amounts include particular estimated contract changes, claims in negotiation that are probable of recovery, and amounts retained by the customer pending dispute resolution. For the twelve months ended December 31, 2024, approximately 58 % of our net revenues were from sales to Boeing. We monitor collections and payments from customers and maintain a provision for estimated credit losses as deemed appropriate based upon historical experience and any specific customer collection issues that have been identified. For the twelve months ended December 31, 2024, our estimated credit losses were not material. See Note 7 to our Consolidated Financial Statements, Accounts Receivable, net, for more information on the provision for estimated credit losses. While we cannot guarantee that we will continue to experience the same credit loss rates in the future, such credit losses have historically not been material. For this reason, we believe that our exposure to this credit risk is not material.

 We maintain cash and cash equivalents with various financial institutions and perform periodic evaluations of the relative credit standing of those financial institutions. We have not experienced any losses in such accounts and believe that we are not

 exposed to any significant credit risk on cash and cash equivalents. Additionally, we monitor our defined benefit pension plan asset investments on a quarterly basis and we believe that we are not exposed to any significant credit risk in these investments. Therefore, exposure to credit risk for these items is not believed to be material.

 Commodity Price and Availability Risks

 In our business we use various raw materials, including aluminum, titanium, steel, and composites, all of which can experience price fluctuations depending on market conditions. Substantial price increases have in the past and may again in the future reduce our profitability. Although our supply agreements with our customers allow us to pass on certain abnormal increases in component and raw material costs in limited situations, we may not be fully compensated for such increased costs. To mitigate these risks, we use our strategic sourcing initiatives, and are parties to collective raw material sourcing contracts arranged through certain customers that allow us to obtain raw materials at pre-negotiated rates and help insulate us from market volatility across the industry for certain specialized metallic and composite raw materials used in the aerospace industry. In addition, we also have long-term supply agreements with a number of our major parts suppliers. We generally do not employ forward contracts or other financial instruments to hedge commodity price risk, although we continue to review a full range of business options focused on strategic risk management for all raw material commodities. We do not expect our exposure to commodity price and availability risks to be material.

 If one or more of our suppliers or subcontractors experiences delivery delays or other performance problems, we may be unable to meet commitments to our customers or incur additional costs. Any failure by our suppliers to provide acceptable raw materials, components, kits, or subassemblies could adversely affect our production schedules and contract profitability. We do not anticipate material risk in this area, as we assess qualification of suppliers and continually monitor them to control risk associated with such supply base reliance.

 To a lesser extent, we also are exposed to fluctuations in the prices of certain utilities and services, such as electricity, natural gas, chemicals and freight. We do not believe there is a material exposure, as we utilize a range of long-term agreements to minimize procurement expense and supply risk in these areas.

 Interest Rate Risks

 As of December 31, 2024, under our Amended Credit Agreement, we had $ 580.6 million of variable rate term loan debt outstanding consisting of term loans bearing interest that varies with the Term Secured Overnight Financing Rate ("Term SOFR"). Interest rate changes will generally impact our future earnings and cash flows, assuming other factors are held constant.

 Foreign Exchange Risks

 We are subject to foreign currency exchange rate risk relating to receipts from customers and payments to suppliers in foreign currencies. The functional currency for our Prestwick, Scotland and Subang, Malaysia operations is the British pound sterling. The functional currency for our operations located in Belfast, Northern Ireland, and Casablanca, Morocco is the U.S. dollar. While sales and procurement costs from these sites are largely denominated in their respective functional currencies, there are also sales and procurement costs denominated in currencies outside of the respective functional currencies, mostly U.S. dollars, British pound sterling, euros, Malaysian ringgit, and Moroccan dirham. Movements in exchange rates could cause our net sales and expenses to fluctuate, affecting our profitability and cash flows. We do not believe that this risk to profitability and cash flows is material for our Prestwick, Scotland and Subang, Malaysia operations, as the impact of fluctuations within sales and expenses are generally expected to be offsetting. The Company had an incremental hedging program in place to minimize the effect of the exchange rate fluctuations noted above for our operations located in Belfast, Northern Ireland. All outstanding foreign currency forward contracts were settled in August 2024. Since the forecasted transactions remain probable of occurring, the changes in the fair value of cash flow hedges recorded in AOCI will be recognized in earnings in the period in which the forecasted transactions impact earnings.

 Even when revenues and expenses are matched, we must translate British pound sterling denominated results of operations, assets, and liabilities for our foreign subsidiaries to U.S. dollars in our consolidated financial statements. Consequently, increases and decreases in the value of the U.S. dollar as compared to the British pound sterling will affect our reported results of operations and the value of our assets and liabilities on our balance sheet, even if our results of operations or the value of those assets and liabilities has not changed in its original currency. These transactions could affect the comparability of our results between financial periods and/or result in significant changes to the carrying value of our assets, liabilities and shareholders' equity. We do not believe this exposure to foreign currency exchange risk is material.

 In accordance with FASB authoritative guidance, the intercompany revolving credit facility, denominated in U.S. dollars, with our Prestwick subsidiary, whose functional currency is the British pound sterling, is exposed to fluctuations in foreign exchange rates. There is similarly intercompany revolving credit facilities, denominated in U.S. dollars, between our Prestwick subsidiary, whose functional currency is the British pound sterling, and our subsidiaries in Belfast and Morocco, whose functional currency is the U.S. dollar. The fluctuation in rates on these intercompany revolving credit facilities for 2024 resulted in a net loss of $5.8 million reflected in Other expense, net on the Consolidated Statements of Operations. As of December 31, 2024, a 10% increase or decrease in the exchange rate applicable to the intercompany revolving credit facilities would have increased or decreased our pre-tax earnings by $61.3 million.

 Item 8. Financial Statements and Supplementary Data

 SPIRIT AEROSYSTEMS HOLDINGS, INC.
 INDEX TO CONSOLIDATED FINANCIAL STATEMENTS

 Page

 Consolidated Financial Statements of Spirit AeroSystems Holdings, Inc. for the twelve months ended December 31, 2024, December 31, 2023, and December 31, 2022

 Report of Independent Registered Public Accounting Firm (PCAOB ID: 42)

 Consolidated Statements of Operations

 Consolidated Statements of Comprehensive Income

 Consolidated Balance Sheets

 Consolidated Statements of Changes in Stockholders' Equity (Deficit)

 Consolidated Statements of Cash Flows

 Notes to Consolidated Financial Statements

 Report of Independent Registered Public Accounting Firm

 To the Shareholders and the Board of Directors of Spirit AeroSystems Holdings, Inc.

 Opinion on the Financial Statements

 We have audited the accompanying consolidated balance sheets of Spirit AeroSystems Holdings, Inc. (the Company) as of December 31, 2024 and 2023, the related consolidated statements of operations, comprehensive income (loss), changes in stockholders' equity (deficit) and cash flows for each of the three years in the period ended December 31, 2024, and the related notes (collectively referred to as the "consolidated financial statements"). In our opinion, the consolidated financial statements present fairly, in all material respects, the financial position of the Company at December 31, 2024 and 2023, and the results of its operations and its cash flows for each of the three years in the period ended December 31, 2024, in conformity with U.S. generally accepted accounting principles.

 We also have audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States) (PCAOB), the Company's internal control over financial reporting as of December 31, 2024, based on criteria established in Internal Control-Integrated Framework issued by the Committee of Sponsoring Organizations of the Treadway Commission (2013 framework) and our report dated February 28, 2025 expressed an unqualified opinion thereon.

 The Company's Ability to Continue as a Going Concern

 The accompanying consolidated financial statements have been prepared assuming that the Company will continue as a going concern. As discussed in Note 2 to the financial statements, the Company has suffered recurring losses from operations and has stated that substantial doubt exists about the Company's ability to continue as a going concern. Management's evaluation of the events and conditions and management's plans regarding these matters are also described in Note 2. The consolidated financial statements do not include any adjustments that might result from the outcome of this uncertainty.

 Basis for Opinion

 These financial statements are the responsibility of the Company's management. Our responsibility is to express an opinion on the Company's financial statements based on our audits. We are a public accounting firm registered with the PCAOB and are required to be independent with respect to the Company in accordance with the U.S. federal securities laws and the applicable rules and regulations of the Securities and Exchange Commission and the PCAOB.

 We conducted our audits in accordance with the standards of the PCAOB. Those standards require that we plan and perform the audit to obtain reasonable assurance about whether the financial statements are free of material misstatement, whether due to error or fraud. Our audits included performing procedures to assess the risks of material misstatement of the financial statements, whether due to error or fraud, and performing procedures that respond to those risks. Such procedures included examining, on a test basis, evidence regarding the amounts and disclosures in the financial statements. Our audits also included evaluating the accounting principles used and significant estimates made by management, as well as evaluating the overall presentation of the financial statements. We believe that our audits provide a reasonable basis for our opinion.

 Critical Audit Matter

 The critical audit matter communicated below is a matter arising from the current period audit of the financial statements that was communicated or required to be communicated to the audit committee and that: (1) relates to accounts or disclosures that are material to the financial statements and (2) involved our especially challenging, subjective or complex judgments. The communication of the critical audit matter does not alter in any way our opinion on the consolidated financial statements, taken as a whole, and we are not, by communicating the critical audit matter below, providing a separate opinion on the critical audit matter or on the account or disclosure to which it relates.

 Revenue and profit recognition for over time and loss contracts

 Description of the Matter
 As more fully described in Note 4 of the consolidated financial statements, significant estimates and assumptions are made to account for the revenue and profit earned through the satisfaction of performance obligations from long-term supply agreements. For performance obligations that are satisfied over time, the Company generally recognizes revenue using an input method with revenue amounts being recognized proportionately as costs are incurred relative to the total expected costs to satisfy the performance obligation. During 2024, revenue from over time contracts accounted for approximately $4,519.8 million of the Company's $6,316.6 million revenues. For loss contracts, the Company establishes forward loss reserves for total estimated costs that are in excess of total estimated consideration.

 Auditing the Company's estimate-at-completion process used in their revenue and profit recognition process is complex due to the judgment involved in evaluating the assumptions made by management to forecast the estimated cost to complete individual accounting contracts. For example, total cost estimates to satisfy the performance obligations reflect management's assumptions about future labor and overhead efficiencies, program progress on various initiatives and program performance. Changes in those assumptions can have a material effect on the previously recognized revenue and profit. These adjustments are recorded as cumulative catch-up adjustments.

 How We Addressed the Matter in Our Audit
 We obtained an understanding, evaluated the design and tested the operating effectiveness of controls over the Company's process including controls over management's review of the estimated cost to complete accounting contracts.

 We also performed audit procedures that included, among others, testing the significant assumptions discussed above and testing the completeness and accuracy of the underlying data used in management's estimate-at-completion analysis. Specifically, for estimates related to program costs and revenues, we (1) inspected contracts and related modifications with the Company's customers and significant suppliers, (2) compared actual costs to costs estimated at completion, (3) inquired of contract management, program management and supplier management to evaluate the basis of assumptions used in the estimate at completion and to assess whether all contracts were provided for accounting analysis, and (4) inspected source documentation for customer claims. Finally, we involved EY specialists to perform an independent estimate-at-completion for certain programs and performed sensitivity analyses to determine the effect of changes in assumptions.

 /s/ Ernst & Young LLP

 We have served as the Company's auditor since 2014.

 Wichita, Kansas

 Consolidated Statements of Operations

2024
2023
2022

 ($ in millions, except per share data)

 $
 $
 $

 Operating costs and expenses

 7,689.0
 5,841.7
 4,981.0

 365.5
 281.9
 279.2

 0.7
 7.2
 0.2

 47.5
 45.4
 50.4

 Other operating expense
 —
 5.9
 —

 Total operating costs and expenses
 8,102.7
 6,182.1
 5,310.8

 Operating loss
 ( 1,786.1)
 ( 134.2)
 ( 281.2)

 ( 353.5)
 ( 318.7)
 ( 244.1)

 ( 140.4)
 ( 14.1)

 Loss before income taxes and equity in net income (loss) of affiliates
 ( 2,141.6)
 ( 593.3)
 ( 539.4)

 Income tax benefit (provision)
 2.4
 ( 22.5)
 ( 5.2)

 Loss before equity in net income (loss) of affiliates
 ( 2,139.2)
 ( 615.8)
 ( 544.6)

 Equity in net income (loss) of affiliates
 0.2
 ( 0.3)

 $
 ( 2,139.0)
 $
 ( 616.1)
 $
 ( 546.2)

 Less noncontrolling interest in earnings of subsidiary

 0.5

 Net loss attributable to common shareholders
 $
 $
 $

 Loss per share

 Basic
 $
 ( 18.32)
 $
 ( 5.78)
 $
 ( 5.21)

 Diluted
 $
 ( 18.32)
 $
 ( 5.78)
 $
 ( 5.21)

 Dividends declared per common share
 $
 0.00
 $
 0.00
 $
 0.03

 Consolidated Statements of Comprehensive Income (Loss)

2024
2023
2022

 $
 ( 2,139.0)
 $
 ( 616.1)
 $
 ( 546.2)

 Other comprehensive (loss) income, net of tax:

 Pension, SERP, and Retiree medical adjustments, net of tax effect of $ 1.0, $ 7.6, and $ 35.3, respectively

 1.5
 70.8
 ( 121.4)

 Unrealized foreign exchange gain (loss) income on intercompany loan, net of tax effect of $ 0.3, ($ 1.0), and $ 1.8, respectively

 1.8
 ( 4.4)

 Unrealized gain (loss) on cash flow hedges, net of tax effect of $ 0.5, ($ 0.7) and ($ 4.6), respectively

 2.1
 9.8
 ( 23.7)

 Reclassification of (gain) loss on cash flow hedges to earnings, net of tax effect of $ 0.0, $ 0.0, and $ 0.0, respectively

 ( 3.6)
 18.7

 Foreign currency translation adjustments
 ( 9.9)
 32.4
 ( 49.4)

 Total other comprehensive (loss) income, net of tax

 $
 ( 10.5)
 $
 114.3
 $
 ( 180.2)

 Less comprehensive (loss) income attributable to noncontrolling interest

 0.5

 Total comprehensive loss
 $
 ( 2,150.3)
 $
 ( 501.9)
 $
 ( 725.9)

 Consolidated Balance Sheets

 Cash and cash equivalents
 $
 537.0
 $
 823.5

 Restricted cash
 —
 0.1

 Accounts receivable, net
 395.3
 585.5

 Contract assets, short-term
 777.9
 522.9

 Inventory, net
 1,891.7
 1,767.3

 Assets of business held for sale

 100.6
 —

 Other current assets
 58.0
 52.5

 Total current assets
 3,760.5
 3,751.8

 Property, plant and equipment, net
 1,947.9
 2,084.2

 Right of use assets
 79.0
 92.1

 Pension assets
 49.4
 33.5

 Restricted plan assets
 41.2
 61.1

 Deferred income taxes
 0.1
 0.1

 Goodwill
 630.0
 631.2

 Intangible assets, net
 149.5
 196.2

 Other assets
 105.2
 99.9

 Total assets
 $
 6,762.8
 $
 6,950.1

 Liabilities

 Accounts payable
 $
 1,041.1
 $
 1,106.8

 Accrued expenses
 453.3
 420.1

 Profit sharing
 59.0
 15.7

 Current portion of long-term debt
 424.5
 64.8

 Operating lease liabilities, short-term
 10.0
 9.1

 Advance payments, short-term
 158.1
 38.3

 Contract liabilities, short-term
 270.3
 192.6

 Forward loss provision, short-term
 471.5
 256.6

 Deferred revenue and other deferred credits, short-term
 75.4
 49.6

 Customer financing, short-term

 532.0
 —

 Liabilities of business held for sale

 18.8
 —

 Other current liabilities
 53.4
 44.7

 Total current liabilities
 3,567.4
 2,198.3

 Long-term debt
 3,969.7
 4,018.7

 Operating lease liabilities, long-term
 69.8
 84.3

 Advance payments, long-term
 181.0
 301.9

 Pension/OPEB obligation
 24.9
 30.3

 Contract liabilities, long-term
 177.4
 161.3

 Forward loss provision, long-term
 799.8
 224.1

 Deferred revenue and other deferred credits, long-term
 46.7
 76.7

 Deferred grant income liability — non-current
 25.1
 25.8

 Deferred income taxes
 7.8
 9.1

 Customer financing, long-term

 372.0
 180.0

 Other non-current liabilities
 137.2
 135.5

 Stockholders' Equity (Deficit)

 Preferred stock, par value $ 0.01, 10,000,000 shares authorized, no shares issued

 —
 —

 Common Stock, Class A par value $0.01, 200,000,000 shares authorized, 117,266,121 and 116,054,291 shares issued and outstanding, respectively

 1.2
 1.2

 Additional paid-in capital
 1,457.6
 1,429.1

 Accumulated other comprehensive loss
 ( 100.1)
 ( 89.6)

 Retained (deficit) earnings

 ( 1,523.5)
 616.3

 Treasury stock, at cost ( 41,587,480 and 41,587,480 shares each period, respectively)

 Total stockholders' equity (deficit)

 ( 2,621.5)
 ( 499.7)

 Noncontrolling interest
 5.5
 3.8

 Total equity (deficit)

 ( 2,616.0)
 ( 495.9)

 Total liabilities and equity (deficit)

 $
 6,762.8
 $
 6,950.1

 Consolidated Statements of Changes in Stockholders' Equity (Deficit)

 Common Stock
 Additional
Paid-in
Capital
 Treasury
 Stock
 Accumulated
Other
Comprehensive
Income (Loss)
 Retained
Earnings
 Noncontrolling Interest
 Total Equity (Deficit)

 ($ in millions, except share data)

 Balance — December 31, 2021
 105,037,845
 $
 1.1
 $
 1,146.2
 $
 $
 ( 23.7)
 $
 1,781.4
 $
 0.5
 $
 448.8

 —
 —
 —
 —
 —
 —

 Dividends declared
 —
 —
 —
 —
 —
 ( 3.2)
 —
 ( 3.2)

 Employee equity awards
 338,243
 —
 36.6
 —
 —
 —
 —
 36.6

 Stock forfeitures
 ( 95,262)
 —
 —
 —
 —
 —
 —
 —

 Net shares settled
 ( 163,126)
 —
 ( 7.2)
 —
 —
 —
 —
 ( 7.2)

 ESPP shares issued
 134,721
 —
 3.9
 —
 —
 —
 —
 3.9

 Other
 —
 —
 —
 —
 —
 —
 3.2
 3.2

 Other comprehensive loss

 —
 —
 —
 —
 ( 180.2)
 —
 —
 ( 180.2)

 Balance — December 31, 2022
 105,252,421
 $
 1.1
 $
 1,179.5
 $
 $
 ( 203.9)
 $
 1,232.5
 $
 3.7
 $
 ( 243.8)

 —
 —
 —
 —
 —
 —

 Issuance of common stock, net

 10,454,545
 0.1
 220.6
 —
 —
 —
 —
 220.7

 Stock-based compensation - ESPP

 —
 —
 2.5
 —
 —
 —
 —
 2.5

 Employee equity awards
 416,956
 —
 26.8
 —
 —
 —
 —
 26.8

 Stock forfeitures
 ( 231,022)
 —
 —
 —
 —
 —
 —
 —

 Net shares settled
 ( 199,809)
 —
 ( 6.6)
 —
 —
 —
 —
 ( 6.6)

 ESPP shares issued
 345,177
 —
 6.3
 —
 —
 —
 —
 6.3

 SERP shares issued
 16,023
 —
 —
 —
 —
 —
 —
 —

 Other
 —
 —
 —
 —
 —
 —
 0.1
 0.1

 Other comprehensive gain

 —
 —
 —
 —
 114.3
 —
 —
 114.3

 Balance — December 31, 2023
 116,054,291
 $
 1.2
 $
 1,429.1
 $
 $
 ( 89.6)
 $
 616.3
 $
 3.8
 $
 ( 495.9)

 —
 —
 —
 —
 —
 —

 Stock-based compensation - ESPP
 —
 —
 2.0
 —
 —
 —
 2.0

 Employee equity awards
 1,341,089
 —
 36.0
 —
 —
 —
 —
 36.0

 Net shares settled
 ( 539,991)
 —
 ( 17.1)
 —
 —
 —
 —
 ( 17.1)

 ESPP shares issued
 410,732
 —
 7.6
 —
 —
 —
 —
 7.6

 Other
 —
 —
 —
 —
 —
 —
 1.7
 1.7

 Other comprehensive income

 —
 —
 —
 —
 ( 10.5)
 —
 —
 ( 10.5)

 Balance — December 31, 2024
 117,266,121
 $
 1.2
 $
 1,457.6
 $
 $
 ( 100.1)
 $
 ( 1,523.5)
 $
 5.5
 $
 ( 2,616.0)

 Consolidated Statements of Cash Flows

 Operating activities

 $
 ( 2,139.0)
 $
 ( 616.1)
 $
 ( 546.2)

 Adjustments to reconcile net loss to net cash used in operating activities

 Depreciation and amortization expense
 305.4
 315.6
 337.1

 Amortization of deferred financing fees
 15.4
 12.6
 11.9

 Accretion of customer supply agreement
 2.5
 2.6
 2.2

 Employee stock compensation expense
 38.1
 29.2
 36.6

 (Gain) loss from derivative instruments
 ( 3.6)
 17.1

 (Gain) loss from foreign currency transactions
 ( 12.1)
 7.5
 ( 18.9)

 Loss on extinguishment of debt
 —
 11.8
 2.6

 Loss on disposition of assets
 2.0
 6.9
 1.1

 Deferred taxes
 3.7
 18.1
 8.5

 Pension and other post-retirement plans (income) expense
 ( 11.5)
 55.1
 37.1

 Grant liability amortization
 ( 1.2)
 ( 1.5)

 Equity in net (income) loss of affiliates
 0.3
 1.6

 Forward loss provision
 793.0
 ( 194.9)
 ( 89.7)

 Asset impairment charges
 2.0
 —
 —

 Gain on settlement of financial instrument
 ( 1.5)
 ( 1.8)
 ( 21.9)

 Change in fair value of acquisition consideration and settlement
 —
 ( 2.4)
 —

 Gain on settlement of New Market Tax Credit incentive program
 ( 5.7)
 —
 —

 Changes in assets and liabilities

 Accounts receivable, net
 198.0
 ( 96.6)
 ( 39.4)

 Inventory, net
 ( 152.4)
 ( 295.1)
 ( 118.2)

 Contract assets
 ( 280.3)
 ( 18.0)
 ( 63.9)

 Accounts payable and accrued liabilities
 ( 49.9)
 213.8
 220.7

 Profit sharing/deferred compensation
 45.7
 ( 25.0)
 ( 22.5)

 Advance payments
 114.1
 ( 133.2)

 Income taxes receivable/payable
 ( 3.4)
 9.5

 Contract liabilities
 100.3
 ( 3.0)
 ( 30.4)

 Pension plans employer contributions
 186.6
 19.5

 Deferred revenue and other deferred credits
 ( 3.6)
 53.6
 ( 14.4)

 Other
 37.4
 4.3
 0.1

 Net cash used in operating activities
 ( 1,120.9)
 ( 225.8)
 ( 394.6)

 Investing activities

 Purchase of property, plant and equipment
 ( 152.5)
 ( 148.0)
 ( 121.6)

 Acquisition, net of cash acquired
 —
 —
 ( 31.3)

 Other
 0.1
 0.2
 ( 2.6)

 Net cash used in investing activities
 ( 152.4)
 ( 147.8)
 ( 155.5)

 Financing activities

 Proceeds from issuance of debt
 360.5
 242.7
 —

 Borrowings under revolving credit facility
 1.6
 5.4
 —

 Proceeds from issuance of long term bonds
 —
 1,200.0
 900.0

 Proceeds from issuance of common stock, net
 —
 220.7
 —

 Receipts from customer financing
 764.0
 180.0
 —

 Payments on customer financing
 ( 40.0)
 —
 —

 Principal payments of debt
 ( 62.6)
 ( 64.1)
 ( 47.6)

 Payments on term loan
 ( 5.9)
 ( 5.9)
 ( 6.0)

 Payments on revolving credit facility
 —

 Payments on bonds
 —
 ( 1,200.0)
 ( 779.2)

 Payment of acquisition consideration
 —
 ( 6.0)
 —

 Payment of debt extinguishment costs
 —
 ( 11.8)
 ( 2.6)

 Taxes paid related to net share settlement awards
 ( 17.1)
 ( 6.6)
 ( 7.2)

 Proceeds from issuance of ESPP stock
 7.6
 6.3
 3.9

 Debt issuance and financing costs
 ( 11.0)
 ( 28.5)
 ( 32.3)

 Dividends paid
 —
 —
 ( 4.2)

 Proceeds from noncontrolling interest
 —
 —
 3.7

 Payment of principal- settlement of financial instrument
 —
 —
 ( 289.5)

 Other
 —
 —

 Net cash provided by (used in) financing activities
 994.5
 531.6
 ( 261.0)

 Effect of exchange rate changes on cash and cash equivalents
 9.5
 ( 8.9)

 Net (decrease) increase in cash, cash equivalents, and restricted cash for the period
 ( 279.4)
 167.5
 ( 820.0)

 Cash, cash equivalents, and restricted cash, beginning of period
 845.9
 678.4
 1,498.4

 Cash, cash equivalents, and restricted cash, end of period
 $
 566.5
 $
 845.9
 $
 678.4

 Supplemental cash flow information

 Interest paid
 $
 329.5
 $
 285.3
 $
 222.5

 Income taxes paid (refunded)

 $
 1.6
 $
 2.8
 $
 ( 15.2)

 Property acquired through finance leases
 $
 9.6
 $
 31.7
 $
 49.6

 Reconciliation of Cash, Cash Equivalents, and Restricted Cash:

 Cash and cash equivalents, beginning of the period
 $
 823.5
 $
 658.6
 $
 1,478.6

 Restricted cash, short-term, beginning of the period
 0.1
 $
 0.2
 0.3

 Restricted cash, long-term, beginning of the period
 22.3
 $
 19.6
 19.5

 Cash, cash equivalents, and restricted cash, beginning of the period
 $
 845.9
 $
 678.4
 $
 1,498.4

 Cash and cash equivalents, end of the period
 $
 537.0
 $
 823.5
 $
 658.6

 Restricted cash, short-term, end of the period
 —
 0.1
 0.2

 Restricted cash, long-term, end of the period
 29.5
 22.3
 19.6

 Cash, cash equivalents, and restricted cash, end of the period
 $
 566.5
 $
 845.9
 $
 678.4

 Notes to the Consolidated Financial Statements

 1. Nature of Business

 Spirit AeroSystems Holdings, Inc. and its consolidated subsidiaries (the "Company") provides manufacturing and design expertise in a wide range of fuselage, propulsion, and wing products and services for aircraft original equipment manufacturers ("OEM") and operators through its subsidiaries, including Spirit AeroSystems, Inc. ("Spirit"). As used herein, references to "Company" refer to Spirit AeroSystems Holdings, Inc. and its consolidated subsidiaries. References to "Spirit" refer only to the Company's subsidiary, Spirit AeroSystems, Inc., and references to "Spirit Holdings" or "Holdings" refer only to Spirit AeroSystems Holdings, Inc.

 The Company's headquarters are in Wichita, Kansas, with manufacturing and assembly facilities in Tulsa, Oklahoma; Prestwick, Scotland; Wichita, Kansas; Kinston, North Carolina; Subang, Malaysia; Saint-Nazaire, France; Biddeford, Maine; Woonsocket, RI; Belfast, Northern Ireland; Morocco, Casablanca; and Dallas, Texas.

 The Company largely supports commercial aerostructures customers, and the Company's financial results and prospects are almost entirely dependent on global commercial aviation demand and the resulting production rates of the Company's customers. The Company's customers, including Boeing and Airbus, have in the past decreased production rates across many programs due to decreased demand for aviation, including as a result of the COVID-19 pandemic, and may in the future continue to adjust production rates or suspend production, potentially without early warning and within a short time horizon.

 During the periods beginning in 2020, and continuing through the present as the aircraft industry continues to recover, the Company's operating cash flows from continuing operations have been adversely impacted by, among other things, the B737 MAX grounding, the COVID-19 pandemic, production rate changes for the B737 MAX program and other programs, supply chain disruptions, the impact of global inflationary pressures on costs, increased interest expense, and labor shortages and related cost increases affecting its business. As a result, the Company took steps throughout the period to reduce costs and raise additional debt and customer financing. As of December 31, 2024, the Company had a debt balance of approximately $ 4,394.2, more than 50% was secured debt, and a cash balance of $ 537.0. The Company had customer financing liabilities of $ 904.0 as of December 31, 2024.

 2. Basis of Presentation

 The accompanying consolidated financial statements include the Company's financial statements and the financial statements of its majority owned or controlled subsidiaries and have been prepared in accordance with accounting principles generally accepted in the U.S. ("GAAP") and Regulation S-X. All intercompany balances and transactions have been eliminated in consolidation.

 Spirit is the majority participant in the Kansas Industrial Energy Supply Company ("KIESC"), a tenancy-in-common with other Wichita companies established to purchase natural gas. KIESC is fully consolidated as the Company owns 70.4% of the entity's equity. Spirit has a controlling interest in, and fully consolidates, its subsidiary Spirit Evergreen Aftermarket Solutions Co., Ltd., a joint venture with Evergreen Technologies Corporation to provide MRO services to the Asia-Pacific market.

 The Company's U.K. subsidiary in Prestwick uses local currency, the British pound sterling, as its functional currency, and the Malaysian subsidiary also uses the British pound sterling as its functional currency. All other foreign subsidiaries and branches use the U.S. dollar as their functional currency. As part of the monthly consolidation process, the functional currencies of the Company's international subsidiaries are translated to U.S. dollars using the end-of-month translation rate for assets and liabilities and average period currency translation rates for revenue and income accounts.

 Agreement and Plan of Merger with The Boeing Company

 On June 30, 2024, Holdings entered into an Agreement and Plan of Merger (the "Merger Agreement") with The Boeing Company ("Boeing") and Sphere Acquisition Corp., a wholly owned subsidiary of Boeing ("Merger Sub"). The Merger Agreement provides that, subject to the terms and conditions set forth in the Merger Agreement, Merger Sub will merge with and into Holdings (the "Merger"), with Holdings surviving the Merger and becoming a wholly owned subsidiary of Boeing.

 On the terms and subject to the conditions set forth in the Merger Agreement, at the effective time of the Merger (the "Effective Time"), each share of Holdings Class A Common Stock, par value $0.01 per share ("Holdings Common Stock") issued and outstanding immediately prior to the Effective Time (other than shares of Holdings Common Stock owned by Boeing, Merger Sub, any other wholly owned subsidiary of Boeing, Holdings, or any wholly owned subsidiary of Holdings, in each case, not held on behalf of third parties) will be automatically cancelled and cease to exist and will be converted into the right to receive a number of shares of Holdings Common Stock, of the par value of $5 each, of Boeing ("Boeing Common Stock") equal to (a) if the volume-weighted average price per share of Boeing Common Stock on the New York Stock Exchange for the 15 consecutive trading days ending on and including the second full trading day prior to the Effective Time (the "Boeing Stock Price"), is greater than $149.00 but less than $206.94, the quotient obtained by dividing $37.25 by the Boeing Stock Price, rounded to four decimal places or (b) if the Boeing Stock Price is greater than or equal to $206.94, 0.1800 or (c) if the Boeing Stock Price is equal to or less than $149.00, 0.2500 (such number of shares of Boeing Common Stock, the "Per Share Merger Consideration").

 Under the terms of the Merger Agreement, the closing of the Merger is subject to various conditions, including: (a) the adoption of the Merger Agreement by the holders of a majority of the outstanding shares of Holdings Common Stock entitled to vote thereon (the "Holdings Stockholder Approval"); (b) the expiration or termination of the applicable waiting period under the Hart-Scott-Rodino Antitrust Improvements Act of 1976, as amended (the "HSR Act"), and the receipt of other specified regulatory approvals (collectively, including the expiration or termination of any such waiting periods, the "Regulatory Approvals"); (c) the absence of any law or order issued by a governmental entity prohibiting the consummation of the Merger; (d) the approval for listing on the New York Stock Exchange of, and the effectiveness of a registration statement on Form S 4 relating to, the shares of Boeing Common Stock to be issued in the Merger; (e) solely with respect to the obligations of Boeing and Merger Sub to effect the closing of the Merger, (1) the accuracy (subject to materiality qualifiers in certain cases) of the representations and warranties of Holdings contained in the Merger Agreement, (2) Holdings having performed in all material respects the obligations required to be performed by it under the Merger Agreement at or prior to the closing of the Merger, (3) the Regulatory Approvals having been obtained without the imposition of a Burdensome Condition (as defined in the Merger Agreement), (4) the absence of a Material Adverse Effect (as defined in the Merger Agreement) or any event that would reasonably be expected to have, individually or in the aggregate, a Material Adverse Effect since the date of the Merger Agreement and (5) Holdings having completed the divestiture of certain portions of the Company's business related to the performance by the Company of its obligations under supply contracts with Airbus SE and its affiliates (the "Spirit Airbus Business"); and (f) solely with respect to the obligation of Holdings to effect the closing of the Merger, (1) the accuracy (subject to materiality qualifiers in certain cases) of the representations and warranties of Boeing and Merger Sub contained in the Merger Agreement, (2) each of Boeing and Merger Sub having performed in all material respects the obligations required to be performed by it under the Merger Agreement at or prior to the closing of the Merger and (3) the absence of a Parent Material Adverse Effect (as defined in the Merger Agreement) or any event that would reasonably be expected to have, individually or in the aggregate, a Parent Material Adverse Effect since the date of the Merger Agreement.

 The Merger Agreement includes customary representations, warranties and covenants of Holdings, Boeing and Merger Sub, including covenants restricting Holdings from soliciting alternative acquisition proposals, governing the conduct of the Company's business during the period between the date of the Merger Agreement and completion of the Merger and relating to the parties' efforts to consummate the Merger as promptly as reasonably practicable. The Merger Agreement includes provisions to facilitate the disposition by the Company to Airbus SE and its affiliates ("Airbus") of the Spirit Airbus Business, as contemplated by a term sheet between Spirit and Airbus SE (the "Airbus Term Sheet") described below under the sub-heading Airbus Term Sheet. The Merger Agreement also includes provisions, which are consistent with provisions in the Airbus Term Sheet, to facilitate the potential sale, subject to certain Boeing consent rights, by the Company to other third parties of specified assets and businesses, some of which include or comprise parts of the Spirit Airbus Business. Such specified assets and businesses include, among others, the Company's operations in Belfast, Northern Ireland (other than the operations that are part of the Spirit Airbus Business) and Subang, Malaysia, certain of the Company's operations in Prestwick, Scotland and the Company's Fiber Materials, Inc. business.

 The Merger Agreement includes termination provisions under which either Holdings or Boeing may terminate the Merger Agreement in various circumstances, including if the Merger has not been consummated by March 31, 2025, subject to three automatic three-month extensions if on each such date all of the closing conditions except those relating to regulatory approvals or the disposition of the Spirit Airbus Business have been satisfied or waived (such date, as so extended (if applicable), the "Outside Date"). Upon termination of the Merger Agreement in specified circumstances, Boeing would be required to pay to Holdings a termination fee of $300.0 reduced (but not to less than zero) by the aggregate then-outstanding amount of cash

 advances to be repaid by the Company to Boeing, whether or not then due and payable, pursuant to the applicable agreements governing cash advances by Boeing to the Company.

 Subject to satisfaction of the closing conditions in the Merger Agreement, the closing of the Merger is expected to occur in mid-2025.

 In connection with the proposed merger, Spirit and Boeing have each received a request for additional information ("second request") from the Federal Trade Commission as part of the regulatory review process under the HSR Act. The second request extends the waiting period imposed by the HSR Act until 30 days after Spirit and Boeing have substantially complied with the requests or the waiting period is terminated sooner by the Federal Trade Commission.

 Other than transaction expenses associated with the Merger of $ 66.0 for the twelve months ended December 31, 2024, recorded within Selling, general and administrative expense in our Consolidated Statements of Operations, the Merger Agreement did not affect the Company's consolidated financial statements for the twelve months ended December 31, 2024.

 Airbus Term Sheet

 Spirit and Airbus SE entered into the Airbus Term Sheet on June 30, 2024. The Airbus Term Sheet is a binding term sheet under which the parties have agreed to negotiate in good faith definitive agreements (the "Definitive Agreements"), including a purchase agreement, providing for the acquisition by Airbus or its affiliates of the Spirit Airbus Business on the terms set forth in the Airbus Term Sheet with the goal of permitting Boeing and Holdings to consummate the Merger prior to the Outside Date. The Airbus Term Sheet provides that the execution of the Definitive Agreements will be subject to and conditioned upon the completion to the satisfaction of Airbus of its due diligence. The Airbus Term Sheet contemplates that specified portions of the Spirit Airbus Business, such as the portion of the Spirit Airbus Business in Prestwick, Scotland (the "Airbus Prestwick Business"), may, instead of being acquired by Airbus or its affiliates, be acquired by one or more third parties.

 Under the transaction terms set forth in the Airbus Term Sheet, Airbus would acquire from Spirit and its subsidiaries the Spirit Airbus Business, excluding any portions thereof to be acquired by third parties, and cash in the amount of $559.0 (subject to downward adjustment if the acquisition by Airbus includes the Airbus Prestwick Business) for nominal consideration of one dollar, subject to working capital and other purchase price adjustments and additional adjustments, to be agreed between the parties prior to execution and delivery of the Definitive Agreements, to reflect the fair market value of specified assets of the Spirit Airbus Business to the extent they are to be acquired by Airbus rather than third parties.

 The transaction terms set forth in the Airbus Term Sheet include provisions for, among other things, the payment in full by Spirit to Airbus of any loans, advance payments, similar arrangements and undisputed liquidated damages owing from Spirit to Airbus (the "Outstanding Amounts") as of the closing of the transactions contemplated by the Airbus Term Sheet (the "Airbus Transactions," and such closing, the "Airbus Closing"), with any disputed liquidated damages to be resolved and paid in accordance with a mutually agreed dispute resolution process; transitional arrangements with respect to specified real estate; obtaining third-party consents; segregation of Spirit's business conducted primarily for the benefit of Airbus from the remainder of Spirit's business and treatment of vendor and supply contracts, employees, intellectual property, pensions and unfunded employee liabilities in connection with the separation of those portions of Spirit's business; mutual indemnification and releases; inclusion in the Definitive Agreements of customary representations, warranties and covenants; and transitional and other arrangements to be entered into by the parties at the Airbus Closing.

 Under the transaction terms set forth in the Airbus Term Sheet, the Airbus Closing would be conditioned upon the receipt of applicable governmental and regulatory consents, approvals and clearances; the absence of any order, legal prohibition or injunction preventing the consummation of the Airbus Transactions; compliance by the parties with their pre-closing covenants in all material respects; payment in full of the Outstanding Amounts; the closing under the Merger Agreement occurring substantially concurrently with the Airbus Transactions; there being no material adverse change after the date of the Definitive Agreements and before the Airbus Closing in the business operations to be acquired by Airbus at the Airbus Closing; and Spirit's implementation in all material respects of technical measures and policies to protect confidential data of Airbus.

 The Airbus Term Sheet provides that no binding agreement has been made with respect to the French aspects of the Airbus Transactions ("Airbus French Transactions"). Prior to the Company and Airbus and its affiliates entering into definitive agreements that are applicable to the Airbus French Transactions, Spirit and Airbus have agreed to comply with their respective

 information and consultation obligations with applicable employees and employee representatives. The Airbus Term Sheet also provides that the parties will complete necessary labor consultations and obtain necessary approvals from applicable unions and works councils in various jurisdictions, as may be legally required.

 Assets Held for Sale

 On November 17, 2024, the Company entered into a definitive agreement to sell our Fiber Materials, Inc. ("FMI") business, a fully owned subsidiary of Spirit AeroSystems, Inc., for $165.0, subject to customary purchase price adjustments and closing conditions as set forth in the definitive agreement. The transaction closed on January 13, 2025. For additional information, see Note 30 Acquisitions and Dispositions.

 Liquidity

 Our consolidated financial statements have been prepared in accordance with US generally accepted accounting principles (GAAP) on a going concern basis, which assumes the Company will be able to continue as a going concern and contemplates the realization of assets and satisfaction of liabilities in the normal course of business. However, substantial doubt about the Company's ability to continue as a going concern exists. The Company has incurred net losses of $ 2,139.8, $ 616.2, and $ 545.7, for the twelve months ended December 31, 2024, 2023, and 2022, respectively, and cash used in operating activities of $ 1,120.9, $ 225.8, and $ 394.6, respectively for the same periods. As of December 31, 2024, our debt balance was $4,394.2, including $ 424.5 of debt classified as short-term. The Company's cash and cash equivalents were $ 537.0 and $ 823.5 as of December 31, 2024, and December 31, 2023, respectively. The Company will require additional liquidity to continue its operations over the next 12 months.

 Further, certain changes made to the production and delivery process implemented by Boeing have had an immediate impact to the Company's results of operations and cash flows. On March 2, 2024, Boeing announced they would no longer accept deliveries of product that required out of sequence assembly or incremental quality re-work. As a result, the Company has experienced higher levels of inventory and contract assets and lower operational cash flows due to the inability to physically ship and invoice end items to Boeing in a timeframe aligned with production activities. Additionally, during late 2023 the Company was preparing its production line to accommodate an expected increase in production rates for 2024 and beyond. Boeing's ability to increase production rates is governed by the FAA, and the production rates which were anticipated are now limited. During the quarter ended September 26, 2024, the Company continued to experience delays and realized higher than anticipated costs with respect to these production and delivery processes, and anticipates that some level of higher costs will continue in the future.

 On April 18, 2024, the Company entered into a Memorandum of Agreement ("MOA") with Boeing, where Boeing advanced $425.0 to the Company to support the Company's liquidity. This MOA was amended on June 20, 2024, to increase the advance by an additional $40.0 and to revise certain repayment amounts and extend near-term repayment dates. As of the date of this filing, we have repaid $ 40.0 of the MOA advances. The MOA was amended again on January 22, 2025 to reschedule the repayment dates to occur from April to September 2026.

 On October 18, 2024, we announced a 21-day furlough, effective October 27, 2024, for approximately 700 employees working on the B767 and B777 programs in response to the strike by Boeing IAM employees which lasted from September to November 2024, as the Company had reached maximum storage capacity on the B767 and B777 programs. Our ability to align our costs, including both internal and supply chain related spending, to react to unexpected changes in customer-determined production rates has and will likely continue to have a material impact on the Company's results of operations and cash flows. Our liquidity has been impacted by higher levels of inventory and contract assets, lower operational cash flows due to a decrease in expected deliveries to Boeing, higher factory costs to maintain rate readiness (attributed to product quality verification process enhancements, including moving such processes from Renton, Washington, to Wichita, Kansas), Boeing no longer allowing for traveled work on the B737 fuselage to its factories, the strike by Boeing employees, and limitations on Boeing increasing production rates. Based upon expected production volumes and deliveries, the terms of this advance require installments be repaid through October 2024, which has been deferred.

 Additionally, the Company was in negotiations with Airbus related to pricing adjustments on the A220 and A350 programs during 2023 and continuing into 2024 with a goal of completing those negotiations in early 2024. As a result of the announcement on March 1, 2024, that the Company was engaged in discussions with Boeing about a possible acquisition of the

 Company by Boeing, followed by the signing of the Merger Agreement and Term Sheet on June 30, 2024, there was a shift in the strategic discussions with Airbus relevant to pricing adjustments on the A220 and A350 programs, most recently with a focus toward customer advances and other accommodations.

 These developments in 2024 resulted in a significant reduction in projected revenue and operating cash flows over the next twelve months. Additionally, although the advances received in 2024 have provided essential operational liquidity, there can be no assurance that we will be able to obtain additional advances from our customers, repay current advances on the specified due dates, renegotiate the due date or otherwise obtain additional liquidity as needed under acceptable terms or at all. We will need to obtain additional funding to sustain operations, as we expect to continue generating operating losses for the foreseeable future.

 Management has developed a plan designed to improve liquidity in response to the developments highlighted above. These plans are dependent upon many factors, including, among other things, the outcomes of discussions related to the timing or amounts of repayment for certain customer advances, the timing and expected proceeds received from certain divestitures, the expected timing and outcome of the transactions contemplated by the Merger Agreement and the Airbus Term Sheet announced June 30, 2024, and achieving anticipated B737 deliveries. Management is also evaluating additional strategies intended to improve liquidity to support operations, including, but not limited to, additional customer advances and restructuring of operations in an effort to increase efficiency and decrease expenses, which may include layoffs or additional furloughs. However, there can be no assurance that these plans or strategies will sufficiently improve our liquidity needs or that we will otherwise realize the anticipated benefits. Accordingly, substantial doubt about the Company's ability to continue as a going concern exists.

 These financial statements do not include any adjustments relating to the recoverability and classification of recorded asset amounts or the amounts and classification of liabilities that might result from the outcome of the uncertainties described above.

 3. Adoption of Accounting Standards

 Adoption of ASU 2023-07

 In November 2023, the FASB issued ASU No. 2023-07, Segment Reporting (Topic 280): Improvements to Reportable Segment Disclosures. ASU No. 2023-07 is effective on a retrospective basis for fiscal years beginning after December 15, 2023, and interim periods in fiscal years beginning after December 15, 2024. The adoption of this guidance did not have a significant impact on the Company's consolidated financial statements, and the Company does not expect this guidance to have a material impact prospectively.

 4. Summary of Significant Accounting Policies

 Use of Estimates

 The preparation of the Company's financial statements in conformity with GAAP requires management to use estimates and assumptions. The results of these estimates form the basis for making judgments that may affect the reported amounts of assets and liabilities, including the impacts of contingent assets and liabilities, and the reported amounts of revenue and expenses during the reporting period.

 Management may make significant judgments when assessing estimated amounts of variable consideration and related constraints, the number of options likely to be exercised, and the standalone selling prices of the Company's products and services. The Company also estimates the cost of satisfying the performance obligations in its contracts and options that may extend over many years. Cost estimates reflect currently available information and the impact of any changes to cost estimates, based upon the facts and circumstances, are recorded in the period in which they become known.

 The transaction price for a contract reflects the consideration the Company expects to receive for fully satisfying the performance obligations in the contract. The Company's contracts with customers are typically for products and services to be provided at fixed stated prices but may also include variable consideration. Variable consideration may include, but is not

 limited to, unpriced contract modifications, cost sharing provisions, incentives and awards, non-warranty claims and assertions, provisions for non-conformance and rights to return, or other payments to, or receipts from, customers. The Company estimates the variable consideration using the expected value or the most likely amount based upon the facts and circumstances, available data and trends and the history of resolving variability with specific customers and suppliers.

 The Company regularly commences work and incorporates customer-directed changes prior to negotiating pricing terms for engineering work, product modifications, and other statements of work. The Company's contractual terms typically provide for price negotiations after certain customer-directed changes have been accepted by the Company. Prices are estimated until they are contractually agreed upon with the customer. When a contract is modified, the Company evaluates whether additional distinct products and services have been promised at standalone selling prices, in which case the modification is treated as a separate contract. If not, depending on whether the remaining performance obligations are distinct from the goods or services transferred on or before the modification, the modification is either treated prospectively as if it were a termination of the existing contract and the creation of a new contract, treated as if it were a part of the existing contract, or treated as some combination.

 The Company allocates the consideration for a contract to the performance obligations on the basis of their relative standalone selling price. The Company estimates the likelihood of the amount of options that the customer is going to exercise when assessing the impact of loss contracts.

 The Company typically provides warranties on all the Company's products and services. Generally, warranties are not priced separately and customers cannot purchase them independently of the products or services under contract, so they do not create performance obligations. The Company's warranties generally provide assurance to the Company's customers that the products or services meet the specifications in the contract. In the event that there is a warranty claim because of a covered design, material or workmanship issue, the Company may be required to redesign or modify the product, offer concessions, and/or pay the customer for repairs or perform the repair. Provisions for estimated expenses related to design, service, and product warranties and certain extraordinary rework are made at the time products are sold. These costs are accrued at the time of the sale and are recorded as cost of sales. These estimates are established using historical information on the nature, frequency, and the cost experience of warranty claims, including the experience of industry peers. In the case of new development products or new customers, the Company also considers factors including the warranty experience of other entities in the same business, management judgment, and the type and nature of the new product or new customer, among others.

 Actual results could differ from those estimates and assumptions.

 Revenues and Profit Recognition

 Substantially all of the Company's revenues are from long-term supply agreements with Boeing, Airbus, and other aerospace manufacturers. The Company participates in its customers' programs by providing design, development, manufacturing, fabrication, and support services for major aerostructures in the commercial, defense and space, and aftermarket segments. During the early stages of a program, this frequently involves nonrecurring design and development services, including tooling. As the program matures, the Company provides recurring manufacturing of products in accordance with customer design and schedule requirements. Many contracts include clauses that provide sole supplier status to the Company for the duration of the program's life (including derivatives). The Company's long-term supply agreements typically include fixed price volume-based terms and require the satisfaction of performance obligations for the duration of the program's life.

 The identification of an accounting contract with a customer and the related promises require an assessment of each party's rights and obligations regarding the products or services to be transferred, including an evaluation of termination clauses and presently enforceable rights and obligations. In general, these long-term supply agreements are legally governed by master supply agreements (or general terms agreements) together with special business provisions (or work package agreements), which define specific program requirements. Purchase orders (or authorizations to proceed) are issued under these agreements to reflect presently enforceable rights and obligations for the units of products and services being purchased. The units for accounting purposes ("accounting contract") are typically determined by the purchase orders. Revenue is recognized when the Company has a contract with presently enforceable rights and obligations, including an enforceable right to payment for work performed. These agreements may lead to continuing sales for more than twenty years. Customers generally contract with the Company for requirements relating to a specific program, and the Company's performance obligations consist of a wide range of engineering design services and manufactured structural components, as well as spare parts and repairs for OEMs. A single

 program may result in multiple contracts for accounting purposes, and within the respective contracts, non-recurring work elements and recurring work elements may result in multiple performance obligations. The Company generally contracts directly with its customers and is the principal in all current contracts.

 Management considers a number of factors when determining the existence of an accounting contract and the related performance obligations that include, but are not limited to, the nature and substance of the business exchange, the contractual terms and conditions, the promised products and services, the termination provisions in the contract, including the presently enforceable rights and obligations of the parties to the contract, the nature and execution of the customer's ordering process and how the Company is authorized to perform work, whether the promised products and services are distinct or capable of being distinct within the context of the contract, as well as how and when products and services are transferred to the customer.

 Revenue is recognized when, or as, control of promised products or services transfers to a customer and is recognized in an amount that reflects the consideration that the Company expects to receive in exchange for those products or services. Revenue is recognized over time as work progresses when the Company is entitled to the reimbursement of costs plus a reasonable profit for work performed for which the Company has no alternate use. For these performance obligations that are satisfied over time, the Company generally recognizes revenue using an input method with revenue amounts being recognized proportionately as costs are incurred relative to the total expected costs to satisfy the performance obligation. The Company believes that costs incurred as a portion of total estimated costs is an appropriate measure of progress towards satisfaction of the performance obligation since this measure reasonably depicts the progress of the work effort. When the Company experiences abnormal production costs such as excess capacity costs the Company will expense the costs in the period incurred separately from the costs incurred for satisfaction of the performance obligations under the Company's contracts with customers.

 Revenue for performance obligations that are not recognized over time are recognized at the point in time when control transfers to the customer. For performance obligations that are satisfied at a point in time, the Company evaluates the point in time when the customer can direct the use of, and obtain the benefits from, the products and services. Shipping and handling costs are not considered performance obligations and are included in cost of sales as incurred.

 The transaction price for a contract reflects the consideration the Company expects to receive for fully satisfying the performance obligations in the contract. The Company's current contracts do not include any significant financing components because the timing of the transfer of the underlying products and services under contract are at the customers' discretion. Additionally, the Company does not adjust the promised amount of consideration for the effects of a significant financing component if the Company expects, at contract inception, that the period between when the entity transfers a promised good or service to a customer and when the customer pays for that good or service will be one year or less. The Company's contracts with customers generally require payment under normal commercial terms after delivery. Payment terms are typically within 30 to 120 days of delivery. The total transaction price is allocated to each of the identified performance obligations using the relative standalone selling price to reflect the amount the Company expects to be entitled for transferring the promised products and services to the customer.

 Standalone selling price is the price at which the Company would sell a promised good or service separately to a customer. Standalone selling prices are established at contract inception and subsequent changes in transaction price are allocated on the same basis as at contract inception. Standalone selling prices for the Company's products and services are generally not observable and the Company uses the "Expected Cost plus a Margin" approach to determine standalone selling price. Expected costs are typically derived from the available periodic forecast information. If a contract modification changes the overall transaction price of an existing contract, the Company allocates the new transaction price on the basis of the relative standalone selling prices of the performance obligations and cumulative adjustments, if any, are recorded in the current period.

 The Company also identifies and estimates variable consideration for contractual provisions such as unpriced contract modifications, cost sharing provisions, incentives and awards, non-warranty claims and assertions, provisions for non-conformance and rights to return, or other payments to, or receipts from, customers and suppliers. The timing of satisfaction of performance obligations and actual receipt of payment from a customer may differ and affects the balances of the contract assets and liabilities.

 For contracts that are deemed to be loss contracts, the Company establishes forward loss reserves for total estimated costs that are in excess of total estimated consideration in the period in which they become known. These reserves are based on

 estimates for accounting contracts, plus options that the Company believes are likely to be exercised. The Company records forward loss reserves for all performance obligations in the aggregate for the accounting contract.

 Research and Development

 Research and development includes costs incurred for experimentation, design, and testing that are expensed as incurred.

 Cash and Cash Equivalents

 Cash and cash equivalents represent all highly liquid investments with original maturities of three months or less.

 Accounts Receivable

 Accounts receivable are recorded at the invoiced amount and do not bear interest. Unbilled receivables are recorded on the balance sheet as contract assets, as per ASC 606 guidance. Management assesses and records an allowance for credit losses on financial assets within the scope of ASU 2016-13 using the current expected credit loss ("CECL") model. The amount necessary to adjust the allowance for credit losses to management's current estimate, as of the reporting date, on these assets is recorded in net income as credit loss expense. All credit losses reported in accordance with ASU 2016-13 were on trade receivables and/or contract assets arising from the Company's contracts with customers. See Note 7, Accounts Receivable, net, for more information.

 The Company has three agreements to sell, on a revolving basis, certain trade accounts receivable balances with Boeing, Airbus, and Rolls-Royce to a third-party financial institution. These programs were primarily entered into as a result of customers seeking payment term extensions with the Company and continue to allow the Company to monetize the receivables prior to the payment date, subject to payment of a discount. No guarantees are delivered under the agreements. The Company's ability to continue using such agreements is primarily dependent upon the strength of Boeing's and Airbus's financial condition. Transfers under this agreement are accounted for as sales of receivables resulting in the receivables being derecognized from the Company's balance sheet. For additional information on the sale of receivables see Note 7, Accounts Receivable, net.

 Inventory

 Raw materials are stated at lower of cost (principally on an actual or average cost basis) or net realizable value. Production costs for contracts, including costs expected to be recovered on specific anticipated contracts (work that has commenced because the Company expects the customer to exercise options), are classified as work-in-process and include direct material, labor, overhead, and purchases. Typically, anticipated contracts materialize and the related performance obligations are satisfied within 6-12 months. These costs are evaluated for impairment periodically and capitalized costs for which anticipated contracts do not materialize are written off in the period in which it becomes known. Revenue and related cost of sales are recognized as the performance obligations are satisfied. When the Company experiences abnormal production costs, such as excess capacity costs, the Company will expense the costs in the period incurred and these costs are excluded from inventoriable costs. Valuation reserves for excess, obsolete, and slow-moving inventory are estimated by evaluating inventory of individual raw materials and parts against both historical usage rates and forecasted production requirements. See Note 10, Inventory.

 Property, Plant and Equipment

 Property, plant and equipment are stated at cost less accumulated depreciation. Depreciation is applied using a straight-line method over the useful lives of the respective assets as described in the following table:

 Estimated Useful Life

 Land improvements
 20 years

 Buildings
 45 years

 Machinery and equipment
 3-20 years

 Tooling — Airplane program — B787, Rolls-Royce
 5-20 years

 Tooling — Airplane program — all others
 2-10 years

 Capitalized software
 3-7 years

 The Company capitalizes certain costs, such as software coding, installation, and testing, that are incurred to purchase or to create and implement internal-use computer software. The Company's capitalization policy includes specifications that the software must have a service life greater than one year, is legally and substantially owned by the Company, and has an acquisition cost of greater than $0.1. The Company applies the same criteria for capitalizing implementation costs incurred in a cloud computing arrangement hosted by the vendor.

 Where the Company is involved in build-to-suit leasing arrangements, the Company is deemed the owner of the asset for accounting purposes during the construction period of the asset. The Company records the related assets and liabilities for construction costs incurred under these build-to-suit leasing arrangements during the construction period. Upon completion of the asset, the Company considers whether the assets and liabilities qualify for derecognition under the sale-leaseback accounting guidance. See Note 11, Property, Plant and Equipment, net.

 Impairment or Disposal of Long-Lived Assets

 The Company reviews capital and amortizing intangible assets (long-lived assets) for impairment whenever events or changes in circumstances indicate that the recorded amount may not be recoverable. Assets are classified as either held-for-use or available-for-sale. For held-for-use assets, if indicators are present, the Company performs a recoverability test by comparing the sum of the estimated undiscounted future cash flows attributable to the asset group in question to its carrying amount. If the undiscounted cash flows used in the recoverability test are less than the long-lived asset group's carrying amount, the Company determines the fair value of the long-lived asset group and recognize an impairment loss if the carrying amount of the long-lived asset group exceeds its fair value. For assets available-for-sale, a loss is recognized when the recorded amount exceeds the fair value less cost to sell.

 Business Combinations and Goodwill

 The Company accounts for business combinations in accordance with ASC Topic 805, Business Combinations. Transaction costs related to business combinations are expensed as incurred. Assets acquired and liabilities assumed are measured and recognized based on their estimated fair values at the acquisition date, any excess of the purchase consideration when compared to the fair value of the net tangible and intangible assets acquired is recorded as goodwill. Determining the fair value of assets acquired and liabilities assumed requires significant judgment, including the amount and timing of expected future cash flows, long-term growth rates and discount rates. In some cases, the Company uses discounted cash flow analyses, which are based on estimates of future sales, earnings and cash flows after considering such factors as general market conditions, customer budgets, existing firm and future orders, changes in working capital, long term business plans and recent operating performance. If the initial accounting for the business combination is incomplete by the end of the reporting period in which the acquisition occurs, the business combination is recorded and disclosed on a preliminary basis. Subsequent to the acquisition date, and not later than one year from the acquisition date, adjustments to the initial preliminary recognized amounts are recorded to the extent new information is obtained about the measurement of assets and liabilities that existed as of the date of the acquisition.

 The Company assesses goodwill for impairment annually as of the first day of the fourth quarter or more frequently if events or circumstances indicate that the fair value of a reporting unit that includes goodwill may be lower than its carrying value. The Company tests goodwill for impairment by performing a qualitative assessment or quantitative test at the reporting unit level. In performing a qualitative assessment, the Company evaluates company-specific, market and industry, economic, and other relevant factors that may impact the fair value of reporting units or the carrying value of the net assets of the

 respective reporting unit. If it is determined that it is more likely than not that the carrying value of the net assets is more than the fair value of the respective reporting unit, then a quantitative test is performed. The Company may in any event opt to bypass the qualitative assessment at the annual assessment date and perform a quantitative assessment. Where the quantitative test is used, the Company compares the carrying value of net assets to the estimated fair value of the respective reporting unit. If the fair value is determined to be less than carrying value, a goodwill impairment loss is recognized for the amount that the carrying amount of the reporting unit, including goodwill, exceeds its fair value, limited to the total amount of goodwill allocated to that reporting unit.

 Derivative Instruments and Hedging Activity

 The Company uses derivative financial instruments to manage the economic impact of fluctuations in currency exchange rates and interest rates. Derivative financial instruments are recognized on the balance sheet as either assets or liabilities and are measured at fair value. Changes in fair value of derivatives are recorded each period in earnings or accumulated other comprehensive income, depending on whether the Company elected hedge accounting and whether a derivative is effective as part of a hedge transaction, and if it is, the type of hedge transaction. Gains and losses on derivative instruments reported in other comprehensive income are subsequently included in earnings in the periods in which earnings are affected by the hedged item or when the hedge is no longer effective. Cash flows associated with the Company's derivatives are presented as a component of the operating section of the statement of cash flows. The use of derivatives has generally been limited to interest rate swaps and foreign currency forward contracts. The Company enters into foreign currency forward contracts to reduce the risks associated with the changes in foreign exchange rates on sales and cost of sales denominated in currencies other than the entities' functional currency. See Note 16, Derivative and Hedging Activities.

 Fair Value of Financial Instruments

 Financial instruments are measured in accordance with FASB authoritative guidance related to fair value measurements. This guidance clarifies the definition of fair value, prescribes methods for measuring fair value, establishes a fair value hierarchy based on the inputs used to measure fair value, and expands disclosures about fair value measurements. See Note 15, Fair Value Measurements.

 Income Taxes

 Income taxes are accounted for in accordance with FASB authoritative guidance on accounting for income taxes. Deferred income tax assets and liabilities are recognized for the future income tax consequences attributable to differences between the financial statement carrying amounts for existing assets and liabilities and their respective tax bases. Tax rate changes impacting these assets and liabilities are recognized in the period during which the rate change occurs.

 Deferred tax assets are periodically evaluated to determine their recoverability and whether or not a valuation allowance is necessary. A valuation allowance, if needed, reduces deferred tax assets to the amount expected to be realized. When determining the amount of net deferred tax assets that are more likely than not to be realized, the Company assesses all available positive and negative evidence. The weight given to the positive and negative evidence is commensurate with the extent to which the evidence may be objectively verified.

 This assessment is completed on a taxing jurisdiction and entity filing basis. Based on these criteria and the relative weighting of both the positive and negative evidence available, and in particular the activity surrounding the Company's prior earnings history including the forward losses previously recognized in the U.S. and U.K., management determined that it was necessary to establish a valuation allowance against nearly all of its net U.S. and U.K. deferred tax assets at December 31, 2020. This determination was made as the Company entered into a U.S. cumulative loss position during the first half of 2021, as prior period positive earnings fell outside of the three-year measurement period. Additionally, entities of the U.K. operations are in cumulative loss positions after the inclusion of 2023, 2022, and 2021 losses. Once a company anticipates or enters a cumulative three-year loss position, there is a presumption that a company should no longer rely solely on projected future income in determining whether the deferred tax asset is more likely than not to be realized. Changes in the Company's estimates and judgments regarding realization of deferred tax assets may result in an increase or decrease to tax expense and/or other comprehensive income, which would be recorded in the period in which the change occurs.

 The Company records income tax provision or benefit based on the net income earned or net loss incurred in each tax jurisdiction and the tax rate applicable to that income or loss. In the ordinary course of business, there are transactions for which the ultimate tax outcome is uncertain. These uncertainties are accounted for in accordance with FASB authoritative guidance on accounting for the uncertainty in income taxes. The final tax outcome for these matters may be different than management's original estimates made in determining the income tax provision. A change to these estimates could impact the effective tax rate and net income or loss in subsequent periods. The Company uses the flow-through accounting method for tax credits. Under this method, tax credits reduce income tax expense. See Note 21, Income Taxes, for further discussion.

 Stock-Based Compensation and Other Share-Based Payments

 Many of the Company's employees are participants in the Omnibus Incentive Plan of 2014 (as amended, the "Omnibus Plan"). The expense attributable to the Company's employees is recognized over the period the amounts are earned and vested, as described in Note 20, Stock Compensation. The expense includes an estimate of expected forfeitures, based on historical forfeiture trends.

 Government Assistance

 The Company has received grants in the form of government funding for various capital and development initiatives.

 For agreements where the government is funding (or partially funding) capital, the associated fixed assets generally remain on the Property, plant and equipment, net line item on the Company's Consolidated Balance Sheet at full cost, with deferred grant income separately recorded as a liability on the Company's Consolidated Balance Sheet for the amounts funded. The liability is amortized each period to offset the related costs for which the grant was intended to compensate on a systematic basis (e.g. over the depreciable lives of the capital investments). The amount of deferred grant income within the Deferred grant income liability — non-current line item on the Company's Consolidated Balance Sheet as of December 31, 2024 related to these types of capital projects was $ 16.7. The amount of deferred grant income within the Other non-current liabilities line item on the Company's Consolidated Balance Sheet as of December 31, 2024 related to these types of capital projects was $ 8.2. The amount of deferred grant income within the Property, plant and equipment, net line item on the Company's Consolidated Balance Sheet as of December 31, 2024 related to these types of capital projects was $ 12.2. The amount of deferred grant income amortized as a reduction to the Cost of sales line item on the Consolidated Statements of Operations for the twelve months ended December 31, 2024 was $ 2.2. These agreements generally have recapture provisions related to the Company achieving a certain level of capital investment on the project.

 In instances where the government is funding (or partially funding) business development other than capital projects, recognition is based on the specific terms associated with the various grants, generally resulting in the government funding being recognized as a reduction to related expenses in the period which received, or the government funding being recorded as deferred grant income within the liabilities on the Company's Consolidated Balance Sheet. The amount of deferred grant income within the Deferred grant income liability — non-current line item on the Company's Consolidated Balance Sheet as of December 31, 2024 related to these types of business development projects was $ 8.4. These liabilities are amortized over a period for which performance criteria provisions are included. Performance criteria provisions are generally related to achieving and/or maintaining a specific level of employment for the project. These agreements generally have recapture provisions related to the Company achieving the specified performance provisions on the project. As the performance criteria are met, or in instances where there are no performance criteria or applicable recapture provisions, the government funding is recognized as a reduction to related expenses. The amount of government assistance recognized as a reduction to the Cost of sales line item on the Consolidated Statements of Operations for the twelve months ended December 31, 2024 was $ 2.5, the amount recognized as a reduction to the Selling, general and administrative line item was $ 0.5.

 5. New Accounting Pronouncements

 In December 2022, the FASB issued ASU No. 2022-06, which defers the sunset date of Reference Rate Reform (Topic 848): Facilitation of the Effects of Reference Rate Reform on Financial Reporting ("ASU 2020-04") from December 31, 2022 to December 31, 2024. ASU No. 2022-06 was effective upon issuance. Topic 848 provides temporary optional guidance for a limited period of time to ease the potential burden in accounting for (or recognizing the effects of) reference rate reform on financial reporting, providing optional expedients and exceptions for applying GAAP to contracts, hedging relationships, and

 other transactions affected by reference rate reform if certain criteria are met. To date, the Company has not had a modification to which the application of this guidance is applicable. The Company will continue evaluating the potential impact of adopting this guidance on its consolidated financial statements.

 In December 2023, the FASB issued ASU No. 2023-09, Income Taxes (Topic 740): Improvements to Income Tax Disclosures. ASU No. 2023-09 is effective on a prospective basis (retrospective application is also permitted) for annual periods beginning after December 15, 2024. Early adoption is permitted. The Company is currently evaluating the impact of adopting this guidance.

 In March 2024, the FASB issued ASU No. 2024-01 Compensation - Stock Compensation (Topic 718) - Scope Application of Profits Interest and Similar Awards which clarifies how an entity determines whether a profits interest or similar award is within the scope of Topic 718 or if it is not a share-based payment arrangement and therefore within the scope of other guidance. ASU 2024-01 provides an illustrative example with multiple fact patterns and also amends certain language in the "Scope" and "Scope Exceptions" sections of Topic 718 to improve its clarity regarding scope application. Entities can apply the amendments either retrospectively to all prior periods presented in the financial statements or prospectively to profits interest and similar awards granted or modified on or after the date of adoption. ASU 2024-01 is effective January 1, 2025, including interim periods, and is not expected to have a significant impact on our financial statements.

 In March 2024, the FASB issued ASU No. 2024-02 Codification Improvements - Amendments to Remove References to the Concepts Statements which amends the Codification to remove references to various concepts statements and impacts a variety of topics in the Codification. The amendments apply to all reporting entities within the scope of the affected accounting guidance, but in most instances the references removed are extraneous and not required to understand or apply the guidance. Generally, the amendments in ASU 2024-02 are not intended to result in significant accounting changes for most entities. ASU 2024-02 is effective January 1, 2025 and is not expected to have a significant impact on our financial statements.

 In November 2024, the FASB issued ASU No. 2024-03 Income Statement - Reporting Comprehensive Income - Expense Disaggregation Disclosures which requires disclosure of disaggregated information about certain income statement expense line items in the notes to the financial statements on an interim and annual basis. ASU 2024-03 will be effective for the annual reporting periods in fiscal years beginning after December 15, 2026, with early adoption permitted. The Company is currently evaluating the impact that the adoption of ASU 2024-03 will have on its consolidated financial statements.

 In November 2024, the FASB issued ASU No. 2024-04, Debt - Debt with Conversion and Other Options which clarifies the requirements for determining whether certain settlements of convertible debt instruments should be accounted for as an induced conversion. ASU 2024-04 is effective for annual reporting periods beginning after December 15, 2025 and interim reporting periods within those annual reporting periods. Early adoption is permitted for all entities that have adopted the amendments in ASU 2020-06. The Company is currently evaluating the impact of this amendment on its consolidated financial statements.

 6. Changes in Estimates

 The Company has a periodic forecasting process in which management assesses the progress and performance of the Company's programs. This process requires management to review each program's progress by evaluating the program schedule, changes to identified risks and opportunities, changes to estimated revenues and costs for the accounting contracts (and options if applicable), and any outstanding contract matters. Risks and opportunities include but are not limited to management's judgment about the cost associated with the Company's ability to achieve the schedule, technical requirements (e.g., a newly-developed product versus a mature product), and any other program requirements. Due to the span of years it may take to completely satisfy the performance obligations for the accounting contracts (and options, if any) and the scope and nature of the work required to be performed on those contracts, the estimation of total revenue and costs is subject to many variables and, accordingly, is subject to change based upon judgment. The Company's estimate of costs depends on maintaining continuing, uninterrupted production at its manufacturing facilities and its suppliers' facilities. Interruptions in deliveries of or increased prices for components or raw materials used in the Company's products could delay production and/or materially adversely affect the Company's business. When adjustments in estimated total consideration or estimated total cost are required, any changes from prior estimates for fully satisfied performance obligations are recognized in the current period as a cumulative catch-up adjustment for the inception-to-date effect of such changes. Cumulative catch-up adjustments are driven by

 several factors including production efficiencies, assumed rate of production, the rate of overhead absorption, changes to scope of work, and contract modifications. Cumulative catch-up adjustments are primarily related to changes in the estimated margin of contracts with performance obligations that are satisfied over time.

 Changes in estimates could materially affect the Company's future financial performance. Other than certain increases in raw material costs that can generally be passed on to the Company's customers, in most instances the Company must fully absorb cost overruns. Some of the factors that may cause the costs incurred in fulfilling contracts to vary substantially from current estimates are technical problems, production rate changes, materials shortages, supplier difficulties, realization targets, existence of and execution to recovery plans caused by these factors, and multiple other events, including those identified in Item 1A. "Risk Factors". The risk particularly applies to products such as the B787, B767, A220, and A350, which are in forward loss positions.

 Changes in estimates are summarized below:

 Changes in Estimates

 (Unfavorable) Favorable Cumulative Catch-up Adjustments by Segment

 $
 ( 83.5)
 $
 ( 45.6)
 $
 ( 30.1)

 21.1
 ( 10.6)
 2.4

 —
 —
 —

 Total (Unfavorable) Favorable Cumulative Catch-up Adjustments

 $
 ( 62.4)
 $
 ( 56.2)
 $
 ( 27.7)

 (Forward Loss) and Changes in Estimates on Loss Programs by Segment

 $
 ( 1,328.9)
 $
 ( 234.0)
 $
 ( 243.9)

 ( 37.3)
 ( 30.7)
 ( 6.4)

 —
 —
 —

 Total (Forward Loss) and Changes in Estimates on Loss Program

 $
 ( 1,366.2)
 $
 ( 264.7)
 $
 ( 250.3)

 Total Changes in Estimates

 $
 ( 1,428.6)
 $
 ( 320.9)
 $
 ( 278.0)

 EPS Impact (diluted per share based upon statutory tax rate)

 $
 ( 12.22)
 $
 ( 3.12)
 $
 ( 2.68)

 2024 Changes in Estimates

 During the twelve months ended December 31, 2024, the Company recognized net forward loss charges of $ 1,366.2 primarily driven by a change in strategic pricing conversations with Airbus in the first quarter, current production performance, and supply chain cost growth on the A350 and A220 programs, additional labor and supply chain cost growth on the B787 program, increased costs related to factory performance on the B767 program and supply chain cost estimates on the KC-135 program.

 Unfavorable cumulative catch-up adjustments of $ 62.4 were primarily driven by increased production costs associated with changes implemented by Boeing in March 2024 to introduce a new product verification process in Wichita, KS on the B737 program. These were partially offset by favorable cumulative catch-up adjustment in Defense & Space. This change in business process for the B737 units has delayed delivery acceptances and caused a buildup of undelivered units in Wichita, KS. Additionally, we are maintaining a higher cost profile for a planned rate increase that has now been delayed because of the production rate limitations on the B737 program.

 2023 Changes in Estimates

 During the twelve months ended December 31, 2023, the Company recognized unfavorable changes in estimates of $ 320.9, including forward loss charges of $470.3 and unfavorable cumulative catch-up adjustments of $ 56.2, partially offset by a reversal of forward loss charges of ($205.6) on the B787 resulting from the execution of the 2023 MOA, resulting in a net $ 264.7 of forward loss charges in 2023. The forward loss charges were primarily driven by labor and production cost growth,

 higher supply chain costs, and schedule revisions on the A350 program and additional labor, the impact of the IAM agreement and supply chain cost growth on the B787 program, increased factory performance and supply chain costs on the B767, higher production, labor and supply chain costs on the A220 program, and production costs incurred including the impact of the IAM agreement on the Sikorsky CH-53K program.

 Unfavorable cumulative catch-up adjustments of $ 56.2 were primarily recognized on the B737 MAX and A320 programs, reflective of increased supply chain, raw material, factory performance and other costs on the program including the impact of the IAM union negotiations on the B737 MAX program. The A320 program unfavorable cumulative catch-up adjustment was driven by production cost overruns experienced due to operational and supply chain disruptions, and foreign currency movements.

 2022 Changes in Estimates

 During the twelve months ended December 31, 2022, the Company recognized net forward loss charges of $ 250.3 primarily driven by increased cost estimates for production rate decreases and build schedule changes, supply chain costs, costs of rework, and other costs on the B787 program, and additional labor, freight, and other cost requirements driven by parts shortages and production and quality issues, production schedule changes received from Airbus, increased freight and utility costs, and increased non-recurring engineering and tooling costs on the A350 program. Forward losses were also impacted by technical problems, realization targets, and existence and execution of factory recovery plans caused by the factors listed above and other factors. Additionally, the forward loss charges reflect anticipated production recovery costs related to the bankruptcy of a supplier and associated failure to deliver key parts on the A220 wing program, and, to a lesser extent, increased cost projections on the RB3070, B767, Bombardier Challenger 650, and a partial offset related to the release of a previously recorded forward loss provision that was impacted by the suspension of activities in Russia.

 Unfavorable cumulative catch-up adjustments of $ 27.7 were primarily recognized on the B737 MAX and A320 programs, reflective of increased costs experienced and estimated for supply chain, raw material, labor and other costs on the B737 MAX program, driven by production schedule changes, parts shortages, production recovery plan execution and increased supply chain and other costs. The A320 program unfavorable cumulative catch-up adjustment was driven by production cost overruns experienced due to operational and supply chain disruptions, and estimates of the impact of production schedule changes, increased material costs, increased freight costs, and increased labor and overhead costs.

 7. Accounts Receivable, net

 Accounts receivable represent the Company's unconditional rights to consideration, subject to the payment terms of the contract, for which only the passage of time is required before payment. Unbilled receivables are reflected under contract assets on the balance sheet. Management assesses and records an allowance for credit losses using a current expected credit loss ("CECL") model. See Allowance for Credit Losses, below.

 Accounts receivable, net consists of the following:

2024
2023

 Trade receivables
 $
 371.9
 $
 555.8

 Other
 33.2
 42.0

 Less: allowance for credit losses
 ( 9.8)
 ( 12.3)

 Accounts receivable, net
 $
 395.3
 $
 585.5

 The Company has agreements (through its subsidiaries) to sell, on a revolving basis, certain trade accounts receivable balances with Boeing, Airbus Group SE and its affiliates (collectively, "Airbus"), and Rolls-Royce PLC and its affiliates (collectively, "Rolls-Royce") to third-party financial institutions. These programs were primarily entered into as a result of customers seeking payment term extensions with the Company and they continue to allow the Company to monetize the receivables prior to their payment date, subject to payment of a discount. No guarantees are delivered under the agreements. The Company's ability to continue using such agreements is primarily dependent upon the strength of the applicable customer's

 financial condition. Transfers under these agreements are accounted for as sales of receivables resulting in the receivables being derecognized from the Company's balance sheet. For the twelve months ended December 31, 2024, $ 3,525.2 of accounts receivable have been sold via this arrangement. The proceeds from these sales of receivables are included in cash from operating activities in the Consolidated Statements of Cash Flows. The recorded net loss on sale of receivables is $ 48.0 for the year ended December 31, 2024 and is included in Other expense, net. See Note 24, Other Expense, net.

 Allowance for Credit Losses

 Management assesses and records an allowance for credit losses on financial assets within the scope of ASU 2016-13 using the CECL model. The amount necessary to adjust the allowance for credit losses to management's current estimate, as of the reporting date, on these assets is recorded in net income as credit loss expense. All credit losses reported in accordance with ASU 2016-13 were on trade receivables and/or contract assets arising from the Company's contracts with customers.

 In determining the appropriate methodology to use within the CECL model for receivables and contract assets arising from the Company's contracts with customers, the Company considered the risk characteristics of the applicable assets. The Company segregated the trade receivables and contract assets into "pools" of assets at the segment level. The Company's assessment was based on similarity of risk characteristics shared by these pool of assets. Management observed that risks for collectability, with regard to the trade receivables and contract assets resulting from contracts with customers include: macro level economic conditions that impact all of the Company's customers, macro-level market conditions that could impact the Company's customers in certain aircraft categories, certain customer specific market conditions, certain customer specific economic conditions, and certain customer specific administrative conditions.

 The Company selected a loss-rate method for the CECL model, based on the relationship between historical write-offs of receivables and the underlying sales. Utilizing this model, a loss-rate is applied against the cost of applicable assets, at the time the asset is established. The loss rate reflects the Company's current estimate of the risk of loss (even when that risk is remote) over the expected life of the assets. The Company's policy is to deduct write-offs from the allowance for credit losses account in the period in which the financial assets are deemed uncollectible.

 The changes to the allowance for credit losses and related credit loss expense reported for the twelve months ended December 31, 2024 were solely based on the results of the CECL model. During the twelve months ended December 31, 2024 there have been no significant changes in the factors that influenced management's current estimate of expected credit losses, nor changes to the Company's accounting policies or Current Expected Credit Losses methodology. The beginning balances, current period activity, and ending balances of the allocation for credit losses on accounts receivable and contract assets were not material.

 8. Contract Assets and Contract Liabilities

 Contract assets primarily represent revenues recognized for performance obligations that have been satisfied but for which amounts have not been billed. Contract assets, current are those for which performance obligations have been fully satisfied and billing is expected within 12 months of contract origination and contract assets, long-term are fully satisfied obligations that are expected to be billed in more than 12 months. No impairments to contract assets were recorded for the twelve months ended December 31, 2024 or December 31, 2023. See also Note 7, Accounts Receivable, net.

 Contract liabilities are established for cash received that is in excess of revenues recognized and are contingent upon the satisfaction of performance obligations. Contract liabilities primarily consist of cash received on contracts for which revenue has been deferred since the receipts are in excess of transaction price resulting from the allocation of consideration based on relative standalone selling price to future units (including those under option that the Company believes are likely to be exercised) with prices that are lower than standalone selling price. These contract liabilities will be recognized earlier if the options are not fully exercised, or immediately, if the contract is terminated prior to the options being fully exercised.

 Change

 Contract assets
 $
 777.9
 $
 522.9
 $
 255.0

 Contract liabilities
 ( 447.7)
 $
 ( 353.9)
 ( 93.8)

 Net contract assets (liabilities)
 $
 330.2
 $
 169.0
 $
 161.2

 For the period ended December 31, 2024, the increase in contract assets reflects the net impact of additional revenue recognized in excess of billed revenues during the period as well as the impact of changes by Boeing in March 2024 to introduce a new product verification process in Wichita, KS. This change in business process has delayed delivery acceptances and caused a buildup of undelivered units in Wichita, KS. The increase in contract liabilities reflects the net impact of more deferred revenues recorded in excess of revenue recognized during the period. The increase in the current period was driven by receipts in both the Commercial and Defense & Space segments related to funding for specific program expenditures. The Company recognized $ 66.8 of revenue that was included in the contract liability balance at the beginning of the period.

 Change

 Contract assets
 $
 522.9
 $
 502.2
 $
 20.7

 Contract liabilities
 $
 ( 353.9)
 $
 ( 356.4)
 2.5

 Net contract assets (liabilities)
 $
 169.0
 $
 145.8
 $
 23.2

 For the period ended December 31, 2023, the increase in contract assets reflects the net impact of additional revenue recognized in excess of billed revenues during the period. The decrease in contract liabilities reflects the net decrease of deferred revenues recorded in excess of revenue recognized during the period. The Company recognized $ 189.4 of revenue that was included in the contract liability balance at the beginning of the period including the reversal of a previously recognized material right obligation related to the 2023 MOA of $154.6. These decreases to the liabilities were primarily offset by increases in contract liabilities from capital and tooling amounts received in 2023.

 9. Revenue Disaggregation and Outstanding Performance Obligations

 Disaggregation of Revenue

 The Company disaggregates revenue based on the method of measuring satisfaction of the performance obligation either over time or at a point in time. Additionally, the Company disaggregates revenue based upon the location where products and services are transferred to the customer, and based upon major customer. The Company's principal operating segments and related revenue are noted in Note 28, Segment and Geographical Information.

 The following table disaggregates revenues by the method of performance obligation satisfaction:

 Revenue
2024
2023

 Contracts with performance obligations satisfied over time
 $
 4,519.8
 $
 4,368.7

 Contracts with performance obligations satisfied at a point in time
 1,796.8
 1,679.2

 Total Revenue
 $
 $

 The following table disaggregates revenue by major customer:

 Customer
2024
2023

 Boeing
 $
 3,693.1
 $
 3,847.1

 Airbus
 1,334.9
 1,144.6

 Other
 1,288.6
 1,056.2

 Total net revenues
 $
 $

 The following table disaggregates revenue based upon the location where control of products are transferred to the customer:

 Location
2024
2023

 United States
 $
 4,811.0
 $
 4,667.1

 International

 United Kingdom
 649.7
 582.5

 Other
 855.9
 798.3

 Total International
 1,505.6
 1,380.8

 Total Revenue
 $
 $

 Remaining Performance Obligations

 Unsatisfied, or partially unsatisfied, performance obligations currently under contract that are expected to be recognized to revenue in the future are noted in the table below. The Company expects options to be exercised in addition to the amounts presented below.

 2025
 2026
 2027
 2028 and After

 Unsatisfied performance obligations
 $
 5,125.9
 $
 5,130.4
 $
 3,638.0
 $
 342.3

 10. Inventory

 Inventory consists of raw materials used in the production process, work-in-process, which is direct material, direct labor, overhead, and capitalized preproduction costs. Raw materials are stated at lower of cost (principally on an actual or average cost basis) or net realizable value. Capitalized pre-production costs include certain contract costs, including applicable overhead, incurred before a product is manufactured on a recurring basis. These costs are typically amortized over a period that is consistent with the satisfaction of the underlying performance obligations to which these relate. See Note 4, Summary of Significant Accounting Policies - Inventory.

 Raw materials
 $
 468.7
 $
 414.4

 Work-in-process (1)

 1,333.7
 1,283.7

 Finished goods
 71.0
 48.4

 Product inventory
 1,873.4
 1,746.5

 Capitalized pre-production
 18.3
 20.8

 Total inventory, net
 $
 1,891.7
 $
 1,767.3

 (1)Work-in-process inventory includes direct labor, direct material, and overhead on contracts for which revenue is recognized at a point in time, as well as sub-assembly parts that have not been issued to production on contracts for which revenue is recognized over time using the input method. For the periods ended December 31, 2024 and December 31, 2023, work-in-process inventory includes $ 491.8 and $ 262.0, respectively, of costs incurred in anticipation of specific contracts and no impairments were recorded in the period.

 Product inventory, summarized in the table above, is shown net of valuation reserves of $ 161.5 and $ 150.2 as of December 31, 2024 and December 31, 2023, respectively.

 Excess capacity and abnormal production costs are excluded from inventory and recognized as expense in the period incurred. Cost of sales for the twelve months ended December 31, 2024 includes $ 196.5 of excess capacity production costs related to temporary B737 MAX and A220 production schedule changes and $ 0.7 of restructuring costs included in the Consolidated Statements of Operations. Cost of sales for the twelve months ended December 31, 2023 includes $ 184.1 of excess capacity production costs related to temporary B737 MAX, A220, and A320 production schedule changes. Additional expenses that were excluded from inventory and expensed in 2023 were abnormal production costs of $ 8.3 related to the temporary production pause, and ($ 2.4) of benefit related to the settlement of a contingent consideration obligation related to the Applied Aerodynamics acquisition, which are both included in Other operating expense, and $ 7.2 of restructuring costs included in the Consolidated Statements of Operations.

 11. Property, Plant and Equipment, net

 Property, plant and equipment, net consists of the following:

 Land
 $
 28.8
 $
 30.5

 Buildings (including improvements)
 1,315.7
 1,307.6

 Machinery and equipment
 2,513.3
 2,460.6

 Tooling
 1,033.3
 1,064.8

 Capitalized software
 341.5
 338.4

 Construction-in-progress
 154.5
 119.0

 Total
 5,387.1
 5,320.9

 Less: accumulated depreciation
 ( 3,439.2)
 ( 3,236.7)

 Property, plant and equipment, net
 $
 1,947.9
 $
 2,084.2

 Capitalized interest was $ 7.0, $ 5.2, and $ 3.8 for the twelve months ended December 31, 2024, 2023 and 2022, respectively. Repair and maintenance costs are expensed as incurred. The Company recognized repair and maintenance costs of $ 208.0, $ 176.9, and $ 161.9 for the twelve months ended December 31, 2024, 2023, and 2022, respectively.

 The Company capitalizes certain costs, such as software coding, installation and testing, that are incurred to purchase or to create and implement internal use computer software. Depreciation expense related to capitalized software was $ 15.6, $ 22.7, and $ 23.4 for the twelve months ended December 31, 2024, 2023, and 2022, respectively.

 The Company reviews capital and amortizing intangible assets (long-lived assets) for impairment whenever events or changes in circumstances indicate that the carrying amount may not be recoverable. There was $ 2.0 of asset impairment charges for the twelve months ended December 31, 2024. There was no impairment for the twelve months ended December 31, 2023.

 12. Leases

 The Company determines if an arrangement is a lease at the inception of a signed agreement. Operating leases are included in Right of use ("ROU") assets (long-term), Operating lease liabilities, short-term, and Operating lease liabilities, long-term on the Company's Consolidated Balance Sheet. Finance leases are included in Property, plant and equipment, net, Current portion of long-term debt, and Long-term debt.

 ROU assets represent the right of the Company to use an underlying asset for the length of the lease term, and lease liabilities represent the Company's obligation to make lease payments arising from the lease. ROU assets and liabilities are recognized at the lease commencement date based on the estimated present value of lease payments over the lease term.

 To determine the present value of lease payments, the Company uses its estimated incremental borrowing rate or the implicit rate, if readily determinable. The estimated incremental borrowing rate is based on information available at the lease commencement date, including any recent debt issuances and publicly available data for instruments with similar characteristics. The ROU asset also includes any lease payments made and excludes lease incentives.

 The Company's lease terms may include options to extend or terminate the lease and, when it is reasonably certain that an option will be exercised, those options are included in the net present value calculation. Leases with a term of 12 months or less, which are primarily related to automobiles and manufacturing equipment, are not recorded on the balance sheet. The aggregate amount of lease cost for leases with a term of 12 months or less is not material.

 The Company has lease agreements that include lease and non-lease components, which are generally accounted for separately. For certain leases (primarily related to IT equipment), the Company does account for the lease and non-lease components as a single lease component. A portfolio approach is applied to effectively account for the assets and liabilities for those specific leases referenced above. The Company does not have any material leases containing variable lease payments or residual value guarantees. The Company also does not have any material subleases.

 The Company currently has operating and finance leases for items such as manufacturing facilities, corporate offices, manufacturing equipment, transportation equipment, and vehicles. Majority of the Company's active leases have remaining lease terms that range between less than one year to 17 years, some of which include options to extend the leases for up to 30 years, and some of which include options to terminate the leases within one year.

 For the twelve months ended December 31, 2024, total net lease cost was $ 60.8. This was comprised of $ 15.0 of operating lease costs, $ 38.0 amortization of assets related to finance leases, and $ 7.8 interest on finance lease liabilities. For the twelve months ended December 31, 2023, total net lease cost was $ 57.0. This was comprised of $ 14.6 of operating lease costs, $ 34.2 amortization of assets related to finance leases, and $ 8.2 interest on finance lease liabilities. For the twelve months ended December 31, 2022, total net lease cost was $ 54.3. This was comprised of $ 13.6 of operating lease costs, $ 33.6 of amortization of assets related to finance leases, and $ 7.1 interest on finance lease liabilities.

 Supplemental cash flow information related to leases was as follows:

 Cash paid for amounts included in the measurement of lease liabilities:

 Operating cash flows from operating leases
 $
 14.8
 $
 14.2

 Operating cash flows from finance leases
 $
 7.8
 $
 8.2

 Financing cash flows from finance leases
 $
 51.1
 $
 50.3

 ROU assets obtained in exchange for lease obligations:

 Operating leases
 $
 3.7
 $
 6.1

 Supplemental balance sheet information related to leases:

 Finance leases:

 Property and equipment, gross
 $
 333.3
 $
 336.9

 Accumulated amortization
 ( 163.8)
 ( 135.8)

 Property and equipment, net
 $
 169.5
 $
 201.1

 The weighted average remaining lease term as of December 31, 2024 for operating and finance leases was 35.1 years and 4.6 years, respectively. The weighted average discount rate as of December 31, 2024 for operating and finance leases was 5.8 % and 6.6 %, respectively. See Note 17, Debt, for current and non-current finance lease obligations. The weighted average remaining lease term as of December 31, 2023 for operating and finance leases was 33.2 years and 4.7 years, respectively. The weighted average discount rate as of December 31, 2023 for operating and finance leases was 6.2 % and 6.3 %, respectively.

 As of December 31, 2024, remaining maturities of lease liabilities were as follows:

 2025
 2026
 2027
 2028
 2029
 2030 and thereafter
 Total Lease Payments
 Less: Imputed Interest
 Total Lease Obligations

 Operating Leases
 $
 14.3
 $
 12.0
 $
 9.3
 $
 8.3
 $
 7.3
 $
 148.4
 $
 199.6
 $
 ( 119.8)
 $
 79.8

 Financing Leases
 $
 44.5
 $
 31.1
 $
 13.8
 $
 7.1
 $
 2.7
 $
 19.8
 $
 119.0
 $
 ( 16.3)
 $
 102.7

 As of December 31, 2024, the Company had additional operating and financing lease commitments that have not yet commenced of approximately $ 0.7 and $ 6.8, respectively, for manufacturing equipment and facilities which are in various phases of construction or customization for the Company's ultimate use, with lease terms between 3 and 5 years. The Company's involvement in the construction and design process for these assets is generally limited to project management.

 13. Other Assets, Goodwill, and Intangible Assets

 Other current assets are summarized as follows:

2024
2023

 Prepaid expenses
 $
 41.4
 $
 34.8

 Income tax receivable
 6.6
 5.3

 Other assets- short term
 10.0
 12.4

 Total other current assets
 $
 58.0
 $
 52.5

 Other assets are summarized as follows:

2024
2023

 Supply agreements (1)

 $
 0.7
 $
 3.5

 Equity in net assets of affiliates
 0.9
 0.8

 Restricted cash - collateral requirements
 29.5
 22.3

 Rotables
 43.0
 44.0

 Bond collateral

 11.2
 —

 Other
 19.9
 29.3

 Total
 $
 105.2
 $
 99.9

 (1)Certain payments accounted for as consideration paid by the Company to a customer are being amortized as reductions to net revenues.

 Goodwill is summarized as follows:

 Changes in Goodwill Balance

 Balance at
 Balance at

 Segment
2023
 Acquisitions
 Assets Held for Sale

 Adjustments/Other
 Currency Exchange
2024

 $
 296.6
 $
 —
 $
 —
 $
 —
 $
 $
 296.5

 $
 13.2
 $
 —
 $
 (1)

 $
 —
 $
 —
 $
 12.1

 $
 321.4
 $
 —
 $
 —
 $
 —
 $
 —
 $
 321.4

 $
 631.2
 $
 —
 $
 $
 —
 $
 $
 630.0

 (1)Represents the allocation of Goodwill attributable to the carrying value of Fiber Materials, Inc. ("FMI"). See Note 30 Acquisitions and Dispositions.

 The total goodwill value includes no accumulated impairment loss in any of the periods present ed.

 Intangible assets are summarized as follows:

2024
2023

 Intangible assets

 Favorable leasehold interests
 $
 2.8
 $
 2.8

 Developed technology asset

 62.0
 103.1

 Customer relationships intangible assets

 137.2
 139.6

 Total intangible assets
 $
 202.0
 $
 245.5

 Accumulated amortization - favorable leasehold interest
 ( 2.2)
 ( 2.1)

 Accumulated amortization - developed technology asset
 ( 17.2)
 ( 21.9)

 Accumulated amortization - customer relationships
 ( 33.1)
 ( 25.3)

 Intangible assets, net
 $
 149.5
 $
 196.2

 Amortization expense was $ 15.2 and $ 15.2 for the twelve months ended December 31, 2024 and 2023, respectively.

 The Company's policy is to use straight-line amortization on the amortizing intangible assets. The amortization for each of the five succeeding years relating to intangible assets currently recorded in the Consolidated Balance sheet and the weighted average amortization is estimated to be the following as of December 31, 2024:

 Year
 Favorable leasehold interest
 Developed Technology
 Customer Relationships
 Total

 2025
 $
 0.1
 $
 4.1
 $
 8.1
 $
 12.3

 2026
 $
 0.1
 $
 4.1
 $
 8.1
 $
 12.3

 2027
 $
 0.1
 $
 4.1
 $
 8.1
 $
 12.3

 2028
 $
 0.1
 $
 4.1
 $
 8.1
 $
 12.3

 2029
 $
 0.1
 $
 4.1
 $
 7.7
 $
 11.9

 Weighted average amortization period
 4.5
 10.8
 13.5
 12.7

 14. Advance Payments

 Advances on the B787 Program. Boeing has made advance payments to Spirit under the B787 Special Business Provisions and General Terms Agreement (collectively, the "B787 Supply Agreement"), that are required to be repaid to Boeing by way of offset against the purchase price for future shipset deliveries. Advance repayments were originally scheduled to be spread evenly over the remainder of the first 1,000 B787 shipsets delivered to Boeing. On April 8, 2014, the Company signed a memorandum of agreement with Boeing that suspended advance repayments related to the B787 program for a period of twelve months beginning April 1, 2014. Repayment recommenced on April 1, 2015, and any repayments that otherwise would have become due during such twelve-month period were to offset the purchase price for shipsets 1001 through 1120. On December 21, 2018, the Company signed the 2018 MOA with Boeing that again suspended the advance repayments beginning with line unit 818. The advance repayments resumed in 2022 at a lower rate of $ 0.45 per shipset at line number 1135 and will continue through line number 1605.

 In the event Boeing does not take delivery of a sufficient number of shipsets to repay the full amount of advances prior to the termination of the B787 program or the B787 Supply Agreement, any advances not then repaid will be applied against any outstanding payments then due by Boeing to us, and any remaining balance will be repaid in annual installments of $ 27.0 due on December 15th of each year until the advance payments have been fully recovered by Boeing. As of December 31, 2024, the amount of advance payments received by us from Boeing and not yet repaid was approximately $ 164.3.

 In support of tooling and capital expenditures for future production rate increases on the B787 program, the 2023 MOA entered into on October 12, 2023 included an agreement for Boeing to advance Spirit a total of $71.7 in quarterly installments

 beginning October 2023 through April 2025. Spirit will align the repayment plan to coincide with deliveries to Boeing beginning April 2025 through October 2027. In the event Boeing does not take delivery of a sufficient number of shipsets to repay the full amount of advance prior to October 31, 2027, the remaining balance up to the $71.7 will be due in the fourth quarter of 2027. As of December 31, 2024, the amount of advance payments received by Spirit from Boeing and not yet repaid was approximately $ 55.9.

 Advances on the A350 Program. During the twelve months ended December 31, 2023, the Company received an advance payment from Airbus of $ 100.0 under an agreement between Airbus S.A.S. and Spirit AeroSystems (Europe) Limited ("Spirit Europe") signed on June 23, 2023 (the "A350 Agreement"). The A350 Agreement provides for up to $100.0 of advances that are required to be repaid along with a nominal fee to Airbus by way of offset against the purchase price of A350 FLE shipset deliveries in 2025. To the extent actual deliveries in 2025 are insufficient to offset the advance amount, any amount not offset against deliveries will be due and payable to Airbus per the terms of the Airbus Term Sheet. In connection with the A350 Agreement, Spirit Europe has pledged certain program assets including work in process inventories and raw materials at Spirit's Scotland facility in an amount sufficient to cover the advances. See also the disclosure under the heading "Airbus Term Sheet" in Note 2 Basis of Presentation.

 Other. The Advance payments, long-term line item on the Consolidated Balance Sheet for the period ended December 31, 2024 includes $ 18.9 related to payments received from an Aftermarket segment customer for contracted work that was impacted by the sanctions imposed by the U.S. and other governments on Russia following its invasion of Ukraine.

 15. Fair Value Measurements

 The FASB's authoritative guidance on fair value measurements defines fair value as the exchange price that would be received for an asset or paid to transfer a liability (an exit price) in the principal or most advantageous market for the asset or liability in an orderly transaction between market participants on the measurement date. It also establishes a fair value hierarchy, which requires an entity to maximize the use of observable inputs and minimize the use of unobservable inputs when measuring fair value. The guidance discloses three levels of inputs that may be used to measure fair value:

 Level 1Quoted prices (unadjusted) in active markets for identical assets or liabilities. Level 1 assets and liabilities include debt and equity securities and derivative contracts that are traded in an active exchange market.

 Level 2Observable inputs other than Level 1 prices, such as quoted prices for similar assets or liabilities; quoted prices in markets that are not active; or other inputs that are observable or can be corroborated by observable market data for substantially the full term of the assets or liabilities. Level 2 assets and liabilities include debt securities with quoted prices that are traded less frequently than exchange-traded instruments and derivative contracts whose value is determined using a pricing model with inputs that are observable in the market or can be derived principally from or corroborated by observable market data. Observable inputs, such as current and forward interest rates and foreign exchange rates, are used in determining the fair value of the interest rate swaps and foreign currency hedge contracts.

 Level 3Unobservable inputs that are supported by little or no market activity and are significant to the fair value of assets and liabilities. Level 3 assets and liabilities include financial instruments whose value is determined using pricing models, discounted cash flow methodologies, or similar techniques, as well as instruments for which the determination of fair value requires significant management judgment or estimation.

 The Company's long-term debt includes a senior secured term loan and senior notes described further under Note 17 Debt. The estimated fair value of the Company's debt obligations is based on the quoted market prices for such obligations or the historical default rate for debt with similar credit ratings. The following table presents the carrying amount and estimated fair value of long-term debt. See also Note 16 Derivative and Hedging Activities, and Note 18 Pension and Other Post-Retirement Benefits.

 Carrying
 Fair
Value

 Carrying
 Fair
Value

 Senior secured term loan B (including current portion)
 $
 570.1
 $
 577.6
 (2)

 $
 571.0
 $
 573.1
 (2)

 Delayed-draw bridge loan

 347.9
 347.9
 (1)

 —
 —
 (1)

 Exchangeable senior notes due 2028

 223.6
 310.4
 (2)

 222.2
 292.6
 (2)

 Senior notes due 2025

 20.8
 20.5
 (1)

 20.8
 20.7
 (1)

 Senior secured notes due 2026

 299.5
 292.4
 (1)

 299.1
 288.0
 (1)

 Senior notes due 2028
 697.3
 661.7
 (1)

 696.6
 616.8
 (1)

 Senior secured first lien notes due 2029

 889.9
 953.1
 (1)

 888.4
 973.0
 (1)

 Senior secured second lien notes due 2030

 1,181.9
 1,308.9
 (1)

 1,180.0
 1,273.1
 (1)

 Total
 $
 4,231.0
 $
 4,472.5

 $
 3,878.1
 $
 4,037.3

 (1)Level 1 Fair Value hierarchy
 (2)Level 2 Fair Value hierarchy

 16. Derivative and Hedging Activities

 Derivatives Accounted for as Hedges

 Cash Flow Hedges – Foreign Currency Hedge

 The Company has entered into currency forward contracts, each designated as a cash flow hedge upon the date of execution, for the purpose of reducing the variability of cash flows and hedging against the foreign currency exposure for forecasted payroll, pension and vendor disbursements that are expected to be made in the British pound sterling. All outstanding foreign currency forward contracts were settled in August 2024. Since the forecasted transactions remain probable of occurring, the changes in the fair value of cash flow hedges recorded in AOCI will be recognized in earnings in the period in which the forecasted transactions impact earnings.

 The following table summarizes the notional amounts (representing the gross contract/notional amount of the derivatives outstanding) and fair values of the derivative instruments in the Consolidated Balance Sheet as of December 31, 2024, and December 31, 2023. The foreign currency exchange contracts are measured within Level 1 of the Fair Value hierarchy. See Note 15, Fair Value Measurements.

 Notional amount
 Other assets
 Other liabilities

 Derivatives designated as hedging instruments:

 Foreign currency exchange contracts
 $
 —
 $
 169.1
 $
 —
 $
 3.0
 $
 —
 $
 —

 Total derivatives at fair value
 $
 —
 $
 3.0
 $
 —
 $
 —

 Changes in the fair value of cash flow hedges are recorded in AOCI and recorded in earnings in the period in which the hedged transaction settles or in the period in which the forecasted transactions impact earnings. The gain (loss) recognized in AOCI associated with the Company's hedging transactions is presented in the following table:

2024
2023
2022

 Recognized in total other comprehensive loss:

 Foreign currency exchange contracts
 $
 1.5
 $
 5.9
 $
 ( 19.1)

 The following table summarizes the gains/(losses) associated with the Company's hedging transactions reclassified from AOCI to earnings:

2024
2023
2022

 Foreign currency exchange contracts:

 Other income (expense)

 $
 3.6
 $
 0.5
 $
 ( 18.7)

 Within the next 12 months, the Company expects to recognize a gain of $ 0.9 in earnings related to the foreign currency forward contracts. As of December 31, 2024, there were no outstanding foreign currency forward contracts. Generally, the Company has agreements with its counterparties that contain a provision whereby if the Company defaults on its existing credit facilities and payment of the loans extended under such facilities is accelerated, the Company could be declared in default under its agreements, which may result in the early termination of the outstanding derivatives governed by such agreements and the payment of an early termination amount.

 Derivatives Not Accounted for as Hedges

 During the twelve months ended December 31, 2022, the Company entered into foreign currency forward contracts in the amount of $291.5 to minimize the risk of currency exchange rate movements on the Company's planned settlement of the repayable investment agreement between the Company and the U.K.'s Department for Business, Energy and Industrial Strategy. During the twelve-month period ended December 31, 2022, these foreign currency forward contracts were settled and new contracts were entered into in the amount of $293.7, which were also settled during the period. The Company did not designate these forward contracts as hedges or apply hedge accounting to the forward contracts. For the twelve months ended December 31, 2022, the Company recorded a net gain of $1.6 to the Other expense, net line item on the Consolidated Statements of Operations related to the foreign currency forward contracts. There were no foreign currency forward contracts, other than those accounted for as cash flow hedges noted above, in existence as of December 31, 2024, December 31, 2023 or December 31, 2022.

 17. Debt

 Total debt shown on the balance sheet is comprised of the following:

 Current
 Noncurrent
 Current
 Noncurrent

 Senior secured term loan B
 $
 5.8
 $
 564.3
 $
 5.8
 $
 565.2

 Delayed-draw bridge loan

 347.9
 —
 —
 —

 Exchangeable senior notes due 2028

 —
 223.6
 —
 222.2

 Senior notes due 2025

 20.8
 —
 —
 20.8

 Senior secured notes due 2026

 —
 299.5
 —
 299.1

 Senior notes due 2028
 —
 697.3
 —
 696.6

 Senior secured first lien notes due 2029
 —
 889.9
 —
 888.4

 Senior secured second lien notes due 2030

 —
 1,181.9
 —
 1,180.0

 Present value of finance lease obligations
 40.6
 62.1
 48.3
 95.0

 Other
 9.4
 51.1
 10.7
 51.4

 Total
 $
 424.5
 $
 3,969.7
 $
 64.8
 $
 4,018.7

 Credit Agreement

 On October 5, 2020, Spirit entered into a term loan credit agreement (the "Credit Agreement") providing for a $400.0 senior secured term loan B credit facility with the lenders party thereto and Bank of America, N.A.("BofA"), as administrative agent and collateral agent. On October 5, 2020 Spirit borrowed the full $400.0 of initial term loans available under the Credit Agreement. The Credit Agreement also permits Spirit to request one or more incremental term facilities in an aggregate principal amount not to exceed (x) in the case of any incremental facility that is secured on a pari passu basis with the Credit Agreement, the greater of (a) $950.0 and (b) such other amount, so long as on a pro forma basis after giving effect to the incurrence of such indebtedness and the use of proceeds thereof, the first lien secured net leverage ratio does not exceed 3.25 to 1.00; and (y) in the case of any incremental facility that is secured on a junior basis to the Credit Agreement, the greater of (a) $500.0 and (b) such other amount, so long as on a pro forma basis after giving effect to the incurrence of such indebtedness and the use of proceeds thereof, the secured net leverage ratio does not exceed 5.00 to 1.00. On November 15, 2021, the Company entered into a first refinancing, incremental assumption and amendment agreement (the "November 2021 Amendment") to the Credit Agreement. The November 2021 Amendment provides for, among other things, (i) the refinancing of the $397.0 aggregate principal amount of term loans outstanding under the Credit Agreement immediately prior to the effectiveness of the November 2021 Amendment with term loans in an equal principal amount with a lower interest rate (the "Repriced Term Loans") and (ii) an incremental term loan facility of $203.0 in aggregate principal amount with the same terms as the Repriced Term Loans. On November 23, 2022, the Company entered into a second refinancing amendment ("the "November 2022 Amendment") to the Credit Agreement (the Credit Agreement as amended by the November 2021 Amendment, the November 2022 Amendment, and the February 2025 Amendment (as defined below), the "Amended Credit Agreement"). The November 2022 Amendment provides for, among other things, the refinancing of the $594.0 aggregate principal amount of term loans outstanding under the Credit Agreement immediately prior to the effectiveness of the November 2022 Amendment (the "Existing Term Loans") with term loans in an equal principal amount with a later maturity date (the "New Term Loans"). The proceeds of the New Term Loans were used to refinance the Existing Term Loans. The New Term Loans will mature on January 15, 2027. The New Term Loans bear interest at a rate ranging between Term SOFR plus 4.25% and Term SOFR plus 4.50% (or, at Spirit's option, between base rate plus 3.25% and base rate plus 3.50%, as applicable) with the margin varying based on Spirit's first lien secured gross leverage ratio. The obligations under the Amended Credit Agreement are guaranteed by Holdings and Spirit AeroSystems North Carolina, Inc., a wholly-owned subsidiary of the Company ("Spirit NC", and together with Holdings, the "Guarantors"), and each existing and future, direct and indirect, wholly-owned material domestic subsidiary of Spirit, subject to certain customary exceptions. The obligations are secured by a first-priority lien with respect to substantially all assets of Spirit and the Guarantors, subject to certain exceptions. On February 14, 2025, the Company entered into the Third Amendment to Term Loan Credit Agreement (the "February 2025 Amendment") with BofA to remove the requirement that the audit opinion with respect to the Company's annual financial statements for the fiscal year ending December 31, 2024 not be subject to a "going concern" qualification. See Note 32, Subsequent Events.

 The Amended Credit Agreement contains usual and customary affirmative and negative covenants for facilities and transactions of this type and that, among other things, restrict the Company and its restricted subsidiaries' ability to incur additional indebtedness, create liens, consolidate or merge, make acquisitions and other investments, guarantee obligations of third parties, make loans or advances, declare or pay certain dividends or distributions on the Company's stock, redeem or repurchase shares of the Company's stock, engage in transactions with affiliates and enter into agreements restricting the Company's subsidiaries' ability to pay dividends or dispose of assets. These covenants are subject to a number of qualifications and limitations.

 The Amended Credit Agreement provides for customary events of default, including, but not limited to, failure to pay principal and interest, failure to comply with covenants, agreements or conditions, and certain events of bankruptcy or insolvency involving the Company and its material subsidiaries.

 As a result of the modification and extinguishment of the Company's prior credit agreement, the Company recognized a loss on extinguishment of $7.2, recorded to the Interest expense and financing fee amortization line item for the twelve months ended December 31, 2022, on the Company's Consolidated Statement of Operations, of which $ 4.6 is reflected within the Amortization of deferred financing fees line item in operating activities and $2.6 is reflected within the Payment of debt extinguishment costs line item under financing activities on the Consolidated Statement of Cash Flows for the twelve months ended December 31, 2022.

 As of December 31, 2024, the outstanding balance of the Amended Credit Agreement was $ 580.6 and the carrying value was $ 570.1.

 As of December 31, 2024, the Company was in compliance with all covenants in the Amended Credit Agreement.

 Bridge Credit Agreement

 On June 30, 2024, Spirit entered into a Delayed-Draw Bridge Credit Agreement (the "Bridge Credit Agreement") with Morgan Stanley Senior Funding, Inc. ("MSSF") as lender, as administrative agent and as collateral agent. The Bridge Credit Agreement provides for a senior secured delayed-draw bridge term loan facility in an aggregate principal amount of $350.0. On February 14, 2025, Spirit entered into the First Amendment to Delayed-Draw Bridge Credit Agreement (the "Bridge Credit Agreement Amendment") to the Bridge Credit Agreement (the Bridge Credit Agreement, as amended by the Bridge Credit Agreement Amendment, the "Amended Bridge Credit Agreement") with MSSF to remove the requirement that the audit opinion with respect to the Company's annual financial statements for the fiscal year ending December 31, 2024 not be subject to a "going concern" qualification. See Note 32, Subsequent Events.

 Subject to certain customary conditions, Spirit may borrow funds available under the Amended Bridge Credit Agreement, in up to three separate advances, until the earlier of the termination of the Merger Agreement and the Bridge Maturity Date (as defined below). Proceeds of loans under the Amended Bridge Credit Agreement will be used for general corporate purposes of Spirit and its subsidiaries, other than the repayment or redemption of other indebtedness. Commitments under the Amended Bridge Credit Agreement will be reduced to zero on the earliest of the date that Spirit provides notice that the Merger Agreement is terminated or it publicly announces the same, and the maturity date. The Amended Bridge Credit Agreement will mature, and all obligations thereunder will become due and payable, on the earlier of the date the Merger is consummated and March 31, 2025 (the "Initial Outside Date"), subject to automatic extension for one additional three-month period if the Initial Outside Date is extended in accordance with the terms of the Merger Agreement (such earlier date, the "Bridge Maturity Date").

 The principal amount of loans under the Amended Bridge Credit Agreement will bear interest at a rate per annum equal to the TLB Yield (as defined in the Bridge Credit Agreement) plus a margin of 0.50%. Spirit will pay to MSSF a duration fee equal to 0.125% of the aggregate amount of the loans and commitments under the Amended Bridge Credit Agreement every 60 days after the date of the Amended Bridge Credit Agreement.

 The obligations under the Amended Bridge Credit Agreement are guaranteed on a senior secured basis by Holdings, Spirit AeroSystems North Carolina, Inc. ("Spirit NC"), a wholly owned subsidiary of Spirit, and certain future, direct or indirect,

 wholly owned material domestic subsidiaries of Holdings (collectively, the "Guarantors") and are secured by a first-priority lien with respect to substantially all assets of Spirit and the Guarantors, subject to certain exceptions.

 The Amended Bridge Credit Agreement requires commitments thereunder to be reduced, and loans to be prepaid, with, (a) 100% of the net cash proceeds of certain non-ordinary course asset sales by Holdings or any of its subsidiaries (other than certain non-ordinary course divestitures contemplated by the Merger Agreement or the Airbus Term Sheet) and (b) 100% of the net cash proceeds of certain issuances, offerings or placements of indebtedness or equity interests by Holdings or any of its subsidiaries, in each case subject to certain exceptions set forth in the Amended Bridge Credit Agreement.

 The Amended Bridge Credit Agreement contains customary affirmative and negative covenants that are typical for facilities and transactions of this type and nature and that, among other things, restrict Holdings and its restricted subsidiaries' ability to incur additional indebtedness, create liens, consolidate or merge, make acquisitions and other investments, guarantee obligations of third parties, make loans or advances, declare or pay certain dividends or distributions on Holdings' stock, redeem or repurchase shares of Holdings' stock, engage in transactions with affiliates and enter into agreements restricting Holdings' subsidiaries' ability to pay dividends or dispose of assets. These covenants are subject to a number of qualifications and limitations set forth in the Amended Bridge Credit Agreement.

 The Amended Bridge Credit Agreement also contains a securities demand provision under which, if Spirit has publicly announced the termination of the Merger Agreement and any loans under the Amended Bridge Credit Agreement remain outstanding on the date that is 10 business days after the date of such public announcement, then, upon MSSF's request, Holdings and Spirit (as applicable) would be required, after a roadshow and marketing period customary for similar offerings, to issue permanent debt and/or equity securities and/or incur and borrow under credit facilities and/or bank financings, in each case, in an aggregate amount of up to $500.0 to repay all outstanding amounts under the Amended Bridge Credit Agreement and all related fees and expenses.

 The Amended Bridge Credit Agreement provides for customary events of default, including, but not limited to, failure to pay principal and interest, failure to comply with covenants, agreements or conditions, and certain events of bankruptcy or insolvency involving Spirit and its material subsidiaries.

 On July 18, 2024, August 15, 2024, and September 12, 2024, Spirit borrowed $200.0, $100.0, and $50.0, respectively, under the Amended Bridge Credit Agreement.

 As of December 31, 2024, the outstanding balance of the Amended Bridge Credit Agreement was $ 350.0 and the carrying value was $ 347.9.

 As of December 31, 2024, the Company was in compliance with all covenants in the Amended Bridge Credit Agreement.

 Exchangeable Notes

 On November 13, 2023, Spirit entered into an Indenture (the "Exchangeable Notes Indenture"), by and among Spirit, the Guarantors, and The Bank of New York Mellon Trust Company, N.A., as trustee, in connection with Spirit's issuance of $230.0 aggregate principal amount of its 3.250 % Exchangeable Senior Notes due 2028 (the "Exchangeable Senior Notes"). The Exchangeable Senior Notes were issued and sold in a private placement to qualified institutional buyers pursuant to Rule 144A under the Securities Act. The Exchangeable Senior Notes are senior, unsecured obligations of Spirit and are fully and unconditionally guaranteed on a senior, unsecured basis by the Guarantors.

 The Exchangeable Senior Notes mature on November 1, 2028, unless earlier exchanged, redeemed or repurchased, and bear interest at a rate of 3.250% per year payable semiannually in cash in arrears on May 1 and November 1 of each year. The first interest payment date was May 1, 2024.

 The Exchangeable Senior Notes will be exchangeable at an initial exchange rate of 34.3053 shares of Spirit Holdings' Class A common stock per $1,000 principal amount of Exchangeable Senior Notes (equivalent to an initial exchange price of approximately $29.15 per share of Class A common stock). At the initial exchange rate, the Senior Notes would be convertible into 7,890,219 shares of Spirit Holdings' Class A common stock. The initial exchange rate is subject to adjustment, as provided in the Exchangeable Notes Indenture. Upon exchange of the Exchangeable Senior Notes, Spirit will pay and/or deliver cash,

 shares of Class A common stock or a combination of cash and shares of Class A common stock, at Spirit's election, in respect of its exchange obligations for the Exchangeable Senior Notes. Prior to the close of business on the business day immediately preceding August 1, 2028, the Exchangeable Senior Notes will be exchangeable at the option of the noteholders only upon the satisfaction of specified conditions and during certain periods described in the Exchangeable Notes Indenture. On or after August 1, 2028, until the close of business on the business day immediately preceding the maturity date, the Exchangeable Senior Notes will be exchangeable at the option of the noteholders at any time regardless of these conditions or periods.

 Prior to November 6, 2026, Spirit may not redeem the Exchangeable Senior Notes. On or after November 6, 2026, Spirit may redeem for cash all or any portion (subject to certain limitations) of the Exchangeable Senior Notes, at its option, if the last reported sale price of Spirit Holdings' Class A common stock has been at least 130% of the exchange price then in effect for at least 20 trading days (whether or not consecutive) during any 30 consecutive trading day period (including the last trading day of such period) ending on, and including, the trading day immediately preceding the date on which Spirit provides notice of redemption, at a redemption price equal to 100% of the principal amount of the Exchangeable Senior Notes to be redeemed, plus accrued and unpaid interest to, but excluding, the redemption date. No "sinking fund" is provided for the Exchangeable Senior Notes.

 Subject to certain conditions and exceptions, holders of the Exchangeable Senior Notes will have the right to require Spirit to repurchase all or a portion of their Exchangeable Senior Notes upon the occurrence of a fundamental change such as stockholder approval of a plan or proposal for the liquidation or dissolution of the Company, or the delisting of Spirit's stock (see the Exchangeable Notes Indenture for a complete listing of events) at a repurchase price of 100% of their principal amount plus any accrued and unpaid interest. In connection with certain corporate events or if Spirit calls any Exchangeable Senior Notes for redemption, Spirit will, under certain circumstances, be required to increase the exchange rate for noteholders who elect to exchange their Exchangeable Senior Notes in connection with any such corporate event or exchange their Exchangeable Senior Notes called for redemption during the related redemption period.

 With the exception of covenants restricting Spirit's and the Guarantors' ability to merge, consolidate or sell substantially all of their respective assets, the Indenture does not provide for restrictive covenants.

 As of December 31, 2024, the outstanding balance of the Exchangeable Senior Notes was $ 230.0 and the carrying value was $ 223.6. Interest expense recognized for the year ended December 31, 2024 was $7.5 including $1.5 of amortization of debt issuance costs. Unamortized debt issue costs at December 31, 2024 related to the Exchangeable Senior Notes were $6.4.

 Second Lien 2030 Notes

 On November 21, 2023, Spirit entered into an Indenture (the "Second Lien 2030 Notes Indenture"), by and among Spirit, the Guarantors, and The Bank of New York Mellon Trust Company, N.A., as trustee and collateral agent, in connection with Spirit's offering of $1,200.0 aggregate principal amount of its 9.75% Senior Secured Second Lien Notes due 2030 (the "Second Lien 2030 Notes"). The Second Lien 2030 Notes were issued and sold in a private placement to qualified institutional buyers pursuant to Rule 144A under the U.S. Securities Act of 1933, as amended (the "Securities Act"), and in offshore transactions to non-U.S. persons pursuant to Regulation S under the Securities Act.

 The Second Lien 2030 Notes mature on November 15, 2030 and bear interest at a rate of 9.75 % per year payable semiannually in cash in arrears on May 15 and November 15 of each year. The first interest payment date was May 15, 2024. The Second Lien 2030 Notes are guaranteed by the Guarantors, and each existing and future, direct and indirect, wholly-owned material domestic subsidiary of the Company, subject to certain customary exceptions. The Second Lien 2030 Notes are secured by a second-priority lien with respect to substantially all assets of Spirit and the Guarantors, subject to certain exceptions.

 The Second Lien 2030 Notes Indenture contains covenants that limit Spirit's, the Company's and the Company's restricted subsidiaries' ability, subject to certain exceptions and qualifications, to incur indebtedness secured by liens, enter into sale and leaseback transactions, make restricted payments and investments and enter into certain mergers or consolidations and transfer substantially all of the Company and its subsidiaries' assets. These covenants are subject to a number of qualifications and limitations. In addition, the Second Lien 2030 Notes Indenture provides for customary events of default.

 As of December 31, 2024, the outstanding balance of the Second Lien 2030 Notes was $ 1,200.0 and the carrying value was $ 1,181.9.

 First Lien 2029 Notes

 On November 23, 2022, Spirit entered into an Indenture (the "First Lien 2029 Notes Indenture"), by and among Spirit, the Guarantors, and The Bank of New York Mellon Trust Company, N.A., as trustee and collateral agent, in connection with Spirit's offering of $900.0 aggregate principal amount of its 9.375% Senior Secured First Lien Notes due 2029 (the "First Lien 2029 Notes"). The First Lien 2029 Notes were issued and sold in a private placement to qualified institutional buyers pursuant to Rule 144A under the U.S. Securities Act of 1933, as amended (the "Securities Act"), and in offshore transactions to non-U.S. persons pursuant to Regulation S under the Securities Act.

 The First Lien 2029 Notes mature on November 30, 2029 and bear interest at a rate of 9.375 % per year payable semiannually in cash in arrears on May 30 and November 30 of each year. The first interest payment date was May 30, 2023. The First Lien 2029 Notes are guaranteed by the Guarantors, and each existing and future, direct and indirect, wholly-owned material domestic subsidiary of the Company, subject to certain customary exceptions. The First Lien 2029 Notes are secured by a first-priority lien with respect to substantially all assets of Spirit and the Guarantors, subject to certain exceptions.

 The First Lien 2029 Notes Indenture contains covenants that limit Spirit's, the Company's and the Company's restricted subsidiaries' ability, subject to certain exceptions and qualifications, to incur indebtedness secured by liens, enter into sale and leaseback transactions, make restricted payments and investments and enter into certain mergers or consolidations and transfer substantially all of the Company and its subsidiaries' assets. These covenants are subject to a number of qualifications and limitations. In addition, the First Lien 2029 Notes Indenture provides for customary events of default.

 As of December 31, 2024, the outstanding balance of the First Lien 2029 Notes was $ 900.0 and the carrying value was $ 889.9.

 2025 Notes

 On October 5, 2020, Spirit entered into an Indenture (the "First Lien 2025 Notes Indenture"), by and among Spirit, the Guarantors, and The Bank of New York Mellon Trust Company, N.A., as trustee and collateral agent, in connection with Spirit's offering of $500.0 aggregate principal amount of its 5.500% Senior Secured First Lien Notes due 2025 (the "2025 Notes").

 The 2025 Notes were issued and sold in a private placement to qualified institutional buyers pursuant to Rule 144A under the U.S. Securities Act of 1933, as amended (the "Securities Act"), and in offshore transactions to non-U.S. persons pursuant to Regulation S under the Securities Act.

 The 2025 Notes matured on January 15, 2025 and bore interest at a rate of 5.500 % per year payable semiannually in cash in arrears on January 15 and July 15 of each year. The first interest payment date was January 15, 2021.

 The 2025 Notes were guaranteed by the Guarantors and were initially secured by a first-priority lien with respect to substantially all assets of Spirit and the Guarantors, subject to certain exceptions.

 The 2025 Notes Indenture initially contained covenants that limited Spirit's, the Company's and the Company's restricted subsidiaries' ability, subject to certain exceptions and qualifications, to incur indebtedness secured by liens, enter into sale and leaseback transactions, make restricted payments and investments and enter into certain mergers or consolidations and transfer substantially all of the Company and its subsidiaries' assets. These covenants were subject to a number of qualifications and limitations. In addition, the First Lien 2025 Indenture provides for customary events of default.

 In the fourth quarter of 2022, Spirit purchased $479.2 in aggregate principal amount of its outstanding 2025 Notes for cash pursuant to a tender offer (the "Tender Offer"). As of December 31, 2024, the outstanding balance of the 2025 Notes was $ 20.8 and the carrying value was $ 20.8. In connection with the Tender Offer, Spirit received the requisite consents from holders of the 2025 Notes necessary to approve amendments to the 2025 First Lien Notes Indenture, to, among other things, eliminate certain of the restrictive covenants and events of default contained in the 2025 First Lien Notes Indenture (the "Majority

 Amendments") and terminate the security interest and release the collateral under the 2025 First Lien Notes Indenture (the "Collateral Release Amendments"). Spirit, the Company, Spirit NC and The Bank of New York Mellon Trust Company, N.A. entered into the First Supplemental Indenture, dated as of November 23, 2022, to the 2025 First Lien Notes Indenture, which effects (i) the Majority Amendments and (ii) the Collateral Release Amendments, in each case, as of November 23, 2022. As of December 31, 2023, the 2025 Notes were unsecured and the First Lien 2025 Notes Indenture no longer included covenants that limit Spirit's, the Company's and the Company's subsidiaries' ability to incur indebtedness secured by liens, enter into sale and leaseback transactions or make restricted payments and investments.

 2026 Notes

 In June 2016, the Company issued $300.0 in aggregate principal amount of 3.850 % Senior Notes due June 15, 2026 (the "2026 Notes") with interest payable, in cash in arrears, on June 15 and December 15 of each year, beginning December 15, 2016. As of December 31, 2024, the outstanding balance of the 2026 Notes was $ 300.0 and the carrying value was $ 299.5. The Company and Spirit NC guarantee Spirit's obligations under the 2026 Notes on a senior secured basis.

 On February 24, 2020, Spirit entered into a Second Supplemental Indenture (the "Second Supplemental Indenture") by and among Spirit, the Company, Spirit NC, and The Bank of New York Mellon Trust Company, N.A. (the "Trustee"), as trustee in connection with the 2026 Notes. Under the Second Supplemental Indenture, the 2026 Noteholders were granted security on an equal and ratable basis with the lenders under the 2018 Credit Agreement until the security in favor of the lenders under the 2018 Credit Agreement was released on October 5, 2020. The Supplemental Indenture also added Spirit NC as an additional guarantor under the indenture governing the 2026 Notes.

 On April 17, 2020, Spirit entered into a Third Supplemental Indenture (the "Third Supplemental Indenture"), by and among Spirit, the Company, Spirit NC and The Bank of New York Mellon Trust Company, N.A., as trustee in connection with the 2026 Notes. Under the Third Supplemental Indenture, the noteholders were granted security on an equal and ratable basis with the holders of the Second Lien 2025 Notes until the security in favor of the holders of the Second Lien 2025 Notes was released on November 21, 2023.

 On October 5, 2020, Spirit entered into a Fourth Supplemental Indenture (the "Fourth Supplemental Indenture"), by and among Spirit, the Company, Spirit NC and The Bank of New York Mellon Trust Company, N.A., as trustee in connection with 2026 Notes. Under the Fourth Supplemental Indenture, the holders of the 2026 Notes were granted security on an equal and ratable basis with the holders of the First Lien 2025 Notes (until the security in favor of the lenders under the holders of the First Lien 2025 Notes was released on November 23, 2022) and the secured parties under the Amended Credit Agreement.

 On November 23, 2022, Spirit entered into a Fifth Supplemental Indenture (the "Fifth Supplemental Indenture"), by and among Spirit, the Company, Spirit NC and The Bank of New York Mellon Trust Company, N.A., as trustee in connection with the 2026 Notes. Under the Fifth Supplemental Indenture, the holders of the 2026 Notes were granted security on an equal and ratable basis with the holders of the First Lien 2029 Notes.

 On November 21, 2023, Spirit entered into a Sixth Supplemental Indenture (the "Sixth Supplemental Indenture"), by and among Spirit, the Company, Spirit NC and The Bank of New York Mellon Trust Company, N.A., as trustee in connection with the 2026 Notes. Under the Sixth Supplemental Indenture, the holders of the 2026 Notes were granted security on an equal and ratable basis with the holders of the Second Lien 2030 Notes.

 On June 30, 2024, Spirit entered into a Seventh Supplemental Indenture (the "Seventh Supplemental Indenture"), by and among Spirit, Holdings, Spirit NC and The Bank of New York Mellon Trust Company, N.A., as trustee, in connection with the 2026 Notes. Under the Seventh Supplemental Indenture, the holders of the 2026 Notes were granted security on an equal and ratable basis with the secured parties under the Bridge Credit Agreement.

 2028 Notes

 On May 30, 2018, Spirit entered into an Indenture (the "2018 Indenture") by and among Spirit, the Company and The Bank of New York Mellon Trust Company, N.A., as trustee in connection with Spirit's offering of $300.0 aggregate principal amount of its Senior Floating Rate Notes due 2021 (the "Floating Rate Notes"), $300.0 aggregate principal amount of its 3.950 % Senior Notes due 2023 (the "2023 Notes") and $700.0 aggregate principal amount of its 4.600 % Senior Notes due 2028 (the "2028

 Notes" and, together with the Floating Rate Notes and the 2023 Notes, the "2018 Notes"). Holdings guaranteed Spirit's obligations under the 2018 Notes on a senior unsecured basis.

 On February 24, 2021, Spirit redeemed the outstanding $300.0 principal amount of the Floating Rate Notes. On November 23, 2022, Spirit redeemed the outstanding $300.0 principal amount of the 2023 Notes. The 2028 Notes bear interest at a rate of 4.600% per annum and mature on June 15, 2028. Interest on the 2028 Notes is payable on June 15 and December 15 of each year, beginning on December 15, 2018. The outstanding balance of the Floating Rate Notes, 2023 Notes, and 2028 Notes was $ 0.0, $ 0.0, and $ 700.0 as of December 31, 2024, respectively. The carrying value of the Floating Rate Notes, 2023 Notes, and 2028 Notes was $ 0.0, $ 0.0, and $ 697.3 as of December 31, 2024, respectively.

 The 2018 Indenture contains covenants that limit Spirit's, the Company's and certain of the Company's subsidiaries' ability, subject to certain exceptions and qualifications, to create liens and enter into sale and leaseback transactions. These covenants are subject to a number of qualifications and limitations. In addition, the 2018 Indenture provides for customary events of default.

 As of December 31, 2024, the Company was in compliance with all covenants contained in the indentures governing the Second Lien 2030 Notes, First Lien 2029 Notes, 2025 Notes, Second Lien 2030 Notes, 2026 Notes, and the 2028 Notes.

 The following table shows required payments during the next five years on the term loan and notes outstanding at December 31, 2024. See Note 12, Leases for maturities of finance lease obligations.

 2025

 2026

 2027

 2028

 2029

 Required payments

 $
 376.7
 $
 305.9
 $
 568.8
 $
 930.0
 $
 900.0

 18. Pension and Other Post-Retirement Benefits

 Multi-employer Pension Plan

 In connection with the collective bargaining agreement signed with the International Association of Machinists and Aerospace Workers ("IAM"), the Company contributes to a multi-employer defined benefit pension plan ("IAM National Pension Fund"). There are two IAM collective bargaining agreements. Under the first IAM agreement, the level of contribution, as specified in the bargaining agreement was, in whole dollars, $ 1.95 per hour of employee service as of July 1, 2019. Effective July 1, 2023 the level of employer contribution increased to $ 2.00 per hour. This IAM bargaining agreement provides for a $0.05 per hour increase, in whole dollars, effective July 1 of each year through 2025. This IAM contract expires June 20, 2027. Under the second IAM agreement, the level of contributions, as specified in the bargaining agreement was, in whole dollars, $0.75 per hour of employee service as of July 1, 2022. Effective July 1, 2023 the level of employer contribution increased to $0.80 per hour. This IAM bargaining agreement provides for a $0.05 per hour increase, in whole dollars effective July 1, 2025 and 2027. This IAM contract expires November 13, 2027.

 The collective bargaining agreement with the United Automobile, Aerospace and Agricultural Workers of America ("UAW") requires the Company to contribute a specified amount per hour of service to the IAM National Pension Fund. Per the negotiated UAW collective bargaining agreement, the pension contributions, in whole dollars, was $ 1.75 per hour effective January 1, 2020 and will remain at $ 1.75 per hour through contract expiration. The UAW contract expires December 7, 2025.

 The risk of this multi-employer plan is different from single-employer plans in the following aspects:

 1.Assets contributed to the multi-employer plan by one employer may be used to provide benefits to employees of other participating employers.

 2.If a participating employer stops contributing to the plan, the unfunded obligations of the plan may be borne by the remaining participating employers.

 3.If the Company chooses to stop participating in the multi-employer plan, the Company may be required to pay the plan an amount based on the underfunded status of the plan, referred to as a withdrawal liability.

 The following table summarizes the multi-employer plan to which the Company contributes. Unless otherwise noted, the most recent Pension Protection Act (PPA) zone status available in 2023 and 2024 is for the plan's year-end at December 31, 2023, and December 31, 2024, respectively. The zone status is based on information received from the plan.

 Pension Protection Act Zone Status

 Expiration
Date of
Collective-
Bargaining
Agreement

 FIP/RP
Status
Pending/
Implemented
 Contributions of the Company

 EIN/Pension
Plan Number
 Surcharge
Imposed

 Pension Fund
 2023
 2024
 2022
 2023
 2024

 IAM National Pension Fund
 51-60321295
 Red
 Red
 Yes
 $
 27.2
 $
 42.1
 $
 38.1
 Yes
 IAM June 20, 2027, November 13, 2027
 UAW December 7, 2025

 Pension Fund
 Year Company Contributions to Plan Exceeded More Than 5 Percent of
 Total Contributions (as of December 31 of the Plan's Year-End)

 IAM National Pension Fund
 2022, 2023, 2024

 Defined Contribution Plans

 The Company contributes to a defined contribution plan available to all U.S. employees, excluding IAM and UAW represented employees. Under the plan, the Company makes a matching contribution of 75% of the employee contribution, up to a maximum 8% of eligible individual employee compensation. Beginning with the September 12, 2024 and September 19, 2024 payroll dates, the matching contributions were temporarily discontinued and replaced with non-elective contributions. Under this new structure, the Company contributes 6 % of employee's eligible pay each pay period. In addition, non-matching contributions based on an employee's age and years of service are paid at the end of each calendar year for certain employee groups.

 The Company recorded $ 38.5, $ 35.2, and $ 31.8 in contributions to these plans for the twelve months ended December 31, 2024, 2023, and 2022, respectively.

 The Company contributes to a defined contribution plan available to IAM represented employees. Under the first IAM agreement, the Company makes a matching contribution of fifty cents for every dollar the employee contributes, up to the first 4% of the employee's gross wages. Under the second IAM agreement, the Company makes a matching contribution of twenty-five cents for every dollar the employee contributes, up to the first 4% of the employee's gross wages.

 The Company recorded $9.1 and $3.4 in contributions to these plans for the twelve months ended December 31, 2024 and December 31, 2023, respectively. There were no contributions to these plans for the twelve months ended December 31, 2022.

 On April 1, 2006, as part of the acquisition of BAE Aerostructures, the Company established a defined contribution pension plan for those employees who are hired after the date of acquisition. Under the plan, the Company contributes up to 8 % of base salary if participating employees contribute 4 % of base salary. The Company recorded $ 5.4, $ 4.4, and $ 3.9 in contributions for the twelve months ended December 31, 2024, 2023, and 2022, respectively.

 On October 30, 2020, as part of the Bombardier Acquisition, the Company acquired a further defined contribution plan for certain employees at the Belfast location. Under the plan, the Company contributes up to 8 % of base salary, matching employee contributions up to this level. The Company recorded $ 4.7, $ 2.9 and $ 1.2 in contributions to this plan for the twelve months ended December 31, 2024, 2023, and 2022, respectively.

 A new defined contribution plan was set up at the Belfast location following the closure of the Shorts Pension with effect from December 10, 2021 (see below). Under the terms of the plan, the Company contributes up to 8 % of base salary if participating employees contribute 8 % of base salary. Additional transitional contributions of 5 % a year for the first four years then 4 % a year for the next four years are also payable by the Company for employees who were members of Shorts Pension at the point of closure. The Company recorded $ 22.6, $ 21.2, and $ 18.2 in contributions to this plan for the twelve months ended December 31, 2024, 2023, and 2022, respectively.

 Defined Benefit Pension Plans

 Effective December 31, 2005, Spirit had four qualified plans and one nonqualified plan providing supplemental benefits to executives who transferred from a Boeing nonqualified plan to a Spirit plan and elected to keep their benefits in this plan. Both plans are frozen as of the date of the Boeing Acquisition (i.e., no future service benefits are being earned in these plans). The Company intends to fund its qualified pension plan through a trust. Pension assets are placed in trust solely for the benefit of the pension plans' participants and are structured to maintain liquidity that is sufficient to pay benefit obligations. Effective October 1, 2021, the Company spun off a portion of the existing Pension Value Plan ("PVP A"), to a new plan called PVP B. As part of the PVP B plan termination process, a lump sum offering was provided during 2021 for PVP B participants and the final asset distribution was completed in the first quarter of 2022. At December 31, 2024, a pension reversion asset of $ 41.2 is recorded on the Restricted plan assets line item on the Company's Consolidated Balance Sheets. Restricted plan assets are expected to be reduced over the next five years as they are distributed to employees under a qualified benefit program. Restricted plan assets are valued at fair value with gain or loss on fair value adjustments recognized within other income. The underlying investments' fair value measurement levels under the FASB's authoritative guidance on fair value measurements are Level 2, see Note 15 Fair Value Measurements.

 Separately, during the twelve months ended December 31, 2022, the Company withdrew $ 34.0 of cash from PVP B, which represented an excess plan assets reversion. This transaction was accounted for as a negative contribution, and is included on the Pension plans employer contributions line item on the Consolidated Statements of Cash Flows for the twelve months ended December 31, 2022. Excise tax of $ 6.8 related to the reversion of excess plan assets was separately recorded to the Other expense, net line item on the Consolidated Statements of Operations for the twelve months ended December 31, 2022. See also Note 24 Other Expense, net.

 In July 2022 the Company adopted and communicated to participants a plan to terminate the PVP A. During the twelve months ended December 31, 2022, the PVP A plan was amended, providing for an enhancement to benefits the Company is providing to certain U.S. employees in conjunction with the plan termination. The estimated liability impact of this plan amendment, $73.5, was recognized immediately as a non-cash, pre-tax non-operating charge for amortization of prior service costs. The Company recognized additional non-cash, pre-tax non-operating accounting charges of $ 34.7 related to the plan termination, primarily reflecting the accounting for bulk lump-sum payments made in the fourth quarter of 2022, which resulted in a settlement charge related to the accelerated recognition of the actuarial losses for the PVP A plan that were previously included in the Accumulated other comprehensive loss line item in the Stockholders' Equity section of the Company's Balance Sheet.

 In the fourth quarter of 2023, the Company applied final settlement accounting to the PVP A. During the twelve months ended December 31, 2023, the Company recognized non-cash, pre-tax non-operating accounting charges of $59.6 due to settlement accounting related to the final asset distribution. During the twelve months ended December 31, 2023, the Company withdrew $188.5 of cash from PVP A, which represented an excess plan assets reversion. This transaction was accounted for as a negative contribution, and is included on the Pension plans employer contributions line item on the Consolidated Statements of Cash Flows for the twelve months ended December 31, 2023. Excise tax of $ 37.7 related to the reversion of excess plan assets was separately recorded to the Other expense, net line item on the Consolidated Statements of Operations for the twelve months ended December 31, 2023. See also Note 24 Other Expense, net.

 The Company maintained a cash balance in the PVP A for the payment of delayed administrative expenses. In the fourth quarter of 2024, the Company withdrew the remaining $1.3 of cash from PVP A which represented an excess plan assets reversion. This transaction was accounted for as a negative contribution, and is included on the Pension plans employer contributions line item on the Consolidated Statements of Cash Flows for the twelve months ended December 31, 2024. Excise tax of $0.3 related to the reversion of excess plan assets was separately recorded to the Other expense, net line item on the Consolidated Statements of Operations for the twelve months ended December 31, 2024. See also Note 24 Other Expense, net.

 On April 1, 2006, as part of the acquisition of BAE Aerostructures, the Company established a U.K. defined benefit pension plan for those employees based in Prestwick that had pension benefits remaining in BAE Systems' pension plan. Effective December 31, 2013, this Prestwick pension plan was closed and benefits were frozen and thereafter subject only to statutory pension revaluation.

 On October 30, 2020, as part of the Bombardier Acquisition, the Company acquired two further defined benefit plans for current and former employees at the Belfast location. The Company concluded its consultation and communication with employee and Trade Union representatives on the closure of the largest of the defined benefit plans acquired as part of the Bombardier Acquisition, the Shorts Pension (as defined below). The outcome is that the Shorts Pension was amended and closed to the future accrual of benefits for all employees who are members of the plan, effective December 10, 2021. From December 11, 2021, affected employees will build up future retirement savings in a new defined contribution scheme. For the twelve months ended December 31, 2021, the impact of the closure of the Shorts Pension resulted in a curtailment gain of $ 61.0. The remaining plan is closed to new hires and the future accrual of benefits, as the final employees accruing service in the plan left Company employment. In accordance with the agreement reached as part of the Bombardier Acquisition, the Company made contributions of $ 154.7 to improve the funded status of the Belfast defined benefit plans during 2021, which included a one-time special contribution of $ 137.6 to the Shorts Pension plan during October 2021.

 In accordance with legislation, each of the U.K. plans and their assets are managed by independent trustee companies. The investment strategies adopted by the trustees are documented in Statement of Investment Principles in line with U.K. legislation. The principles for the investment strategies are to maximize the long-term rate of return on plan assets within an acceptable level of risk while maintaining adequate funding levels. The trustees have invested the plan assets in pooled arrangements with authorized investment companies that were selected to be consistent with the overall investment principles and strategy.

 On June 16, 2023, there was a UK High Court Ruling (Virgin Media v NTL Pension Trustees II Limited (and others)) confirming that the legislation does in fact operate to render any amendment to section 9(2B) rights (whether adverse or not) under a UK defined benefit (DB) pension plan void in the absence of a written section 37 confirmation from the plan actuary, and that section 9(2B) rights include both past and future service rights. On July 25, 2024, the UK High Court of Appeal upheld this decision. The ruling results in a required assessment relevant to any plan amendments made between April 6, 1997 and April 6, 2016 to ascertain whether a valid section 37 confirmation is in place. Members of two of the Company's UK DB plans have section 9(2B) rights (as the plans were contracted-out) and plan amendments impacting members' benefits were made in the time period April 6, 1997 to April 6, 2016. As of December 31, 2024, the Company has determined that while there were amendments to the plans during the affected time period which would require the section 37 confirmation, it is not in a position to determine whether all of the plan amendments contained the necessary section 37 confirmation, as the Company does not currently have access to all of the data and information necessary to complete an assessment. The Company will continue to work with the pension plan trustees and other parties required to retrieve and analyze data necessary to perform an assessment of plan amendments which may be affected by this ruling. As of December 31, 2024, the Company is not in a position to reasonably estimate the impact of this ruling, if any, on the Company's results of operations.

 Other Post-Retirement Benefit Plans

 The Company also has post-retirement health care coverage for eligible U.S. retirees and qualifying dependents prior to age 65. Eligibility for employer-provided benefits is limited to those employees who were employed at the date of the Boeing Acquisition and retire on or after attainment of age 62 and 10 years of service. Employees who do not satisfy these eligibility requirements can retire with post-retirement medical benefits at age 55 and 10 years of service, but they must pay the full cost of medical benefits provided.

 The June 30, 2023 collective bargaining agreement with IAM resulted in a change in eligibly requirements for employees represented under this agreement. Under the agreement, eligibility for employer-provided benefits is limited to those employees who were employed at the date of the Boeing Acquisition and retire on or after attainment of age 59.5 within 4 years after June 26, 2023 and 10 years of service. This change resulted in a $9.1 increase to the projected benefit obligation during the twelve months ended December 31, 2023.

 On October 30, 2020, as part of the Bombardier Acquisition, the Company acquired a post-retirement medical plan for certain former employees at the Belfast location. Eligibility for this plan is closed and no further participants in the plan are expected.

 Obligations and Funded Status

 The following tables reconcile the funded status of both pension and post-retirement medical benefits to the balance on the balance sheets for the fiscal years 2024 and 2023. Benefit obligation balances presented in the tables reflect the projected

 benefit obligation and accumulated benefit obligation for the Company's pension plans, and accumulated post-retirement benefit obligations for the Company's post-retirement medical plan. The Company uses an end of fiscal year measurement date of December 31 for the Company's U.S. pension and post-retirement medical plans. Plan amendments for the period ended December 31, 2023 are related to the change in eligibility requirements under the collective bargaining agreement with IAM.

 Other Post-Retirement
Benefits

 U.S. Plans
 2024
 2023
 2024
 2023

 Change in projected benefit obligation:

 $
 1.0
 $
 493.3
 $
 36.9
 $
 33.1

 —
 —
 0.5
 0.6

 Employee contributions
 —
 —
 0.6
 0.9

 —
 2.6
 1.5
 1.5

 Actuarial (gains) losses
 —
 16.5

 Plan Amendments
 —
 —
 —
 9.1

 Plan Settlements
 —
 ( 501.7)
 —
 —

 ( 9.7)
 ( 8.9)

 Projected benefit obligation at the end of the period
 $
 0.9
 $
 1.0
 $
 29.8
 $
 36.9

 Assumptions used to determine benefit obligation:

 5.49
 %
 4.94
 %
 5.02
 %
 4.75
 %

 Rate of compensation increase
 N/A
 N/A
 N/A
 N/A

 Medical assumptions:

 Trend assumed for the year
 N/A
 N/A
 6.29
 %
 6.77
 %

 Ultimate trend rate
 N/A
 N/A
 4.00
 %
 4.00
 %

 Year that ultimate trend rate is reached
 N/A
 N/A
 2048

 2048

 Change in fair value of plan assets:

 $
 —
 $
 670.3
 $
 —
 $
 —

 Actual return on assets

 —
 31.0
 —
 —

 Employer contributions to plan
 0.1
 ( 189.9)
 8.3
 7.0

 Employee contributions to plan
 —
 —
 0.6
 0.8

 Plan Settlements
 —
 ( 501.7)
 —
 —

 ( 9.7)
 ( 8.9)

 Ending balance
 $
 —
 $
 —
 $
 —
 $
 —

 Reconciliation of funded status to net amounts recognized:

 Funded status (deficit)
 $
 $
 $
 ( 29.8)
 $
 ( 36.9)

 $
 $
 $
 ( 29.8)
 $
 ( 36.9)

 Amounts recognized in the balance sheet:

 Noncurrent assets
 $
 —
 $
 —
 —
 —

 Current liabilities
 ( 6.1)

 Noncurrent liabilities
 ( 23.7)
 ( 29.1)

 $
 $
 $
 ( 29.8)
 $
 ( 36.9)

 Amounts not yet reflected in net periodic benefit cost and included in AOCI:

 Accumulated other comprehensive (loss) income
 $
 $
 $
 5.4
 $
 5.4

 Cumulative employer contributions in excess of net periodic benefit cost
 ( 35.2)
 ( 42.3)

 Net amount recognized in the balance sheet
 $
 $
 $
 ( 29.8)
 $
 ( 36.9)

 Information for pension plans with benefit obligations in excess of plan assets:

 Projected benefit obligation
 $
 0.9
 $
 1.0
 $
 29.8
 $
 36.9

 Accumulated benefit obligation
 $
 0.9
 $
 1.0
 $
 —
 $
 —

 The U.S. based defined benefit plans utilize a cash balance based formula for a subset of the plan participants. The weighted-average interest crediting rates used to determine the benefit obligation and net periodic benefit cost for all future years is 5.49%.

 U.K. Prestwick Plan
 2024
 2023

 Change in projected benefit obligation:

 $
 37.7
 $
 35.5

 1.0
 0.8

 1.8
 1.7

 Plan amendments
 —
 —

 Actuarial gains
 ( 4.2)

 ( 1.2)

 Expense paid

 Exchange rate changes
 1.9

 Projected benefit obligation at the end of the period
 $
 33.6
 $
 37.7

 Assumptions used to determine benefit obligation:

 5.60
 %
 4.80
 %

 Rate of compensation increase
 N/A
 N/A

 Change in fair value of plan assets:

 $
 46.1
 $
 44.1

 Actual (loss) return on assets

 ( 4.9)
 1.6

 Company contributions
 1.0
 —

 Plan settlements
 —
 —

 Expenses paid

 ( 1.2)

 Exchange rate changes
 2.4

 Ending balance
 $
 39.4
 $
 46.1

 Reconciliation of funded status to net amounts recognized:

 Funded status
 5.8
 8.4

 $
 5.8
 $
 8.4

 Amounts recognized in the balance sheet:

 Noncurrent assets
 $
 5.8
 $
 8.4

 Noncurrent liabilities
 —
 —

 $
 5.8
 $
 8.4

 Amounts not yet reflected in net periodic benefit cost and included in AOCI:

 Accumulated other comprehensive income
 ( 13.1)
 ( 10.6)

 Cumulative employer contributions in excess of net periodic benefit cost

 18.9
 19.0

 Net amount recognized in the balance sheet
 $
 5.8
 $
 8.4

 Information for pension plans with benefit obligations in excess of plan assets:

 Projected benefit obligation
 $
 —
 $
 —

 Accumulated benefit obligation
 —
 —

 Fair value of assets
 $
 —
 $
 —

 Other
Post-Retirement
Benefits

 U.K Belfast Plans
 2024
 2023
 2024
 2023

 Change in projected benefit obligation:

 $
 1,491.6
 $
 1,407.6
 $
 0.2
 $
 0.3

 2.1
 1.6
 —
 —

 Expenses paid
 ( 2.1)
 —
 —

 69.5
 71.4
 —
 —

 Actuarial gains
 ( 139.1)
 ( 4.4)
 —
 —

 Exchange rate changes
 ( 22.4)
 75.7
 —
 —

 ( 62.0)
 ( 58.7)
 —
 —

 Other

 —
 —
 —

 Projected benefit obligation at the end of the period
 $
 1,337.6
 $
 1,491.6
 $
 0.2
 $
 0.2

 Assumptions used to determine benefit obligation:

 5.57
 %
 4.78
 %
 5.57
 %
 4.78
 %

 Rate of compensation increase
 N/A
 N/A
 N/A
 N/A

 Medical assumptions:

 Trend assumed for the year
 N/A
 N/A
 6.75
 %
 6.50
 %

 Ultimate trend rate
 N/A
 N/A
 6.75
 %
 6.50
 %

 Year that ultimate trend rate is reached
 N/A
 N/A
 N/A
 N/A

 Change in fair value of plan assets:

 $
 1,516.7
 $
 1,417.8
 $
 —
 $
 —

 Actual (loss) return on assets
 ( 50.0)
 80.8
 —
 —

 Employer contributions to plan
 1.9
 1.9
 —
 —

 ( 62.0)
 ( 58.7)
 —
 —

 Exchange rate changes
 ( 23.3)
 76.5
 —
 —

 Expenses paid
 ( 2.1)
 —
 —

 Ending balance
 $
 1,381.2
 $
 1,516.7
 $
 —
 $
 —

 Reconciliation of funded status to net amounts recognized:

 Funded status (deficit)
 $
 43.6
 $
 25.1
 $
 $

 $
 43.6
 $
 25.1
 $
 $

 Amounts recognized in the balance sheet:

 Noncurrent assets
 43.6
 25.1
 —
 —

 Current liabilities
 —
 —
 —
 —

 Noncurrent liabilities
 —
 —

 $
 43.6
 $
 25.1
 $
 $

 Amounts not yet reflected in net periodic benefit cost and included in AOCI:

 Accumulated other comprehensive (loss) income
 $
 7.0
 $
 3.3
 $
 0.3
 $
 0.4

 Cumulative employer contributions in excess of net periodic benefit cost
 36.6
 21.8

 Net amount recognized in the balance sheet
 $
 43.6
 $
 25.1
 $
 $

 Information for pension plans with benefit obligations in excess of plan assets:

 Projected benefit obligation
 $
 —
 $
 —
 $
 0.2
 $
 0.2

 Accumulated benefit obligation
 —
 —
 —
 —

 Fair value of assets
 —
 —
 —
 —

 Annual Expense

 The components of pension and other post-retirement benefit plans expense for the U.S. plans and the assumptions used to determine benefit obligations for each of the periods ended December 31, 2024, 2023, and 2022 are as follows:

 Other Post-Retirement Benefits

 U.S. Plans
 2024
 2023
 2022
 2024
 2023
 2022

 Components of net periodic benefit cost (income):

 $
 —
 $
 —
 $
 —
 $
 0.5
 $
 0.6
 $
 0.7

 —
 2.6
 20.8
 1.5
 1.5
 0.6

 —
 ( 44.0)
 —
 —
 —

 Amortization of net (gain) loss
 —
 0.1
 —
 ( 2.2)
 ( 1.7)

 Amortization of prior service costs(1)

 —
 —
 73.5
 1.4

 Settlement loss recognized(2)

 —
 59.6
 33.3
 —
 —
 —

 Net periodic benefit cost (income)
 —
 60.7
 83.6
 1.2

 Other changes recognized in OCI:

 Total recognized in other OCI (income) loss
 $
 —
 $
 ( 72.5)
 $
 124.4
 $
 —
 $
 11.2
 $

 Total recognized in other net periodic benefit and OCI loss (income)
 $
 —
 $
 ( 11.8)
 $
 208.0
 $
 1.2
 $
 10.8
 $

 Assumptions used to determine net periodic benefit costs:

 4.94
 %
 5.22
 %
 2.72
 %
 4.75
 %
 5.03
 %
 1.96
 %

 N/A
 N/A
 4.00
 %
 N/A
 N/A
 N/A

 Salary increases
 N/A
 N/A
 N/A
 N/A
 N/A
 N/A

 Medical Assumptions:

 Trend assumed for the year
 N/A
 N/A
 N/A
 6.77
 %
 7.25
 %
 7.00
 %

 Ultimate trend rate
 N/A
 N/A
 N/A
 4.00
 %
 4.00
 %
 4.50
 %

 Year that ultimate trend rate is reached
 N/A
 N/A
 N/A
 2048

 2048

 2047

 (1) Due to a plan amendment related to a benefit enhancement, prior service cost amortization of $73.5 was recorded to Other (expense) income during the year ended December 31, 2022.
 (2) Due to settlement accounting during the fiscal years ending 2023, and 2022, the Company recognized charges of $59.6, and $33.3, respectively, that were recorded to Other (expense) income.

 The Company records the service component of net periodic benefit cost in operating profit and the non-service components of net periodic benefit cost (i.e., interest cost, expected return on plan assets, amortization of prior service cost, special termination benefits, and net actuarial gains or losses) as part of non-operating income.

 The components of the pension benefit plan expense for the U.K. plans and the assumptions used to determine benefit obligations for each of the periods ended December 31, 2024, 2023, and 2022 are as follows:

 U.K. Prestwick Plan
 2024
 2023
 2022

 Components of net periodic benefit cost (income):

 $
 1.0
 $
 0.8
 $
 1.7

 1.8
 1.7
 1.1

 ( 2.2)
 ( 2.2)
 ( 1.7)

 Amortization of net loss

 0.2
 0.2
 —

 Settlement gain (loss)
 —
 —
 0.6

 Net periodic benefit cost (income)
 $
 0.8
 $
 0.5
 $
 1.7

 Other changes recognized in OCI:

 Total cost (income) recognized in OCI
 $
 2.5
 $
 0.6
 $
 13.9

 Total recognized in net periodic benefit cost and OCI
 $
 3.3
 $
 1.1
 $
 15.6

 Assumptions used to determine net periodic benefit costs:

 4.80
 %
 4.90
 %
 1.75
 %

 4.90
 %
 4.90
 %
 2.00
 %

 Salary increases
 N/A
 3.35
 %
 3.50
 %

 The components of the pension benefit plan expense for the Belfast plans and the assumptions used to determine benefit obligations for each of the periods ended December 31, 2024, 2023, and 2022 are as follows:

 Other Post-Retirement Benefits

 U.K. Belfast Plans
 2024
 2023
 2022
 2024
 2023
 2022

 Components of net periodic benefit cost (income):

 $
 2.1
 $
 1.6
 $
 1.3
 $
 —
 $
 —
 $
 —

 69.5
 71.4
 39.9
 —
 —
 —

 ( 85.2)
 ( 78.6)
 ( 92.0)
 —
 —
 —

 Amortization of net (gain) loss
 —
 —
 —
 (0.1)
 —

 Net periodic benefit (income) cost
 $
 ( 13.6)
 $
 ( 5.6)
 $
 ( 50.8)
 $
 $
 $
 —

 Other changes recognized in OCI:

 Total (income) recognized in OCI
 $
 ( 3.7)
 $
 ( 6.4)
 $
 24.7
 $
 0.1
 $
 —
 $

 Total recognized in net periodic benefit cost and OCI
 $
 ( 17.3)
 $
 ( 12.0)
 $
 ( 26.1)
 $
 —
 $
 $

 Assumptions used to determine net periodic benefit costs:

 4.78
 %
 4.96
 %
 1.80
 %
 4.78
 %
 4.96
 %
 1.80
 %

 5.70
 %
 5.50
 %
 4.10
 %
 N/A
 N/A
 N/A

 Salary increases
 N/A
 N/A
 N/A
 N/A
 N/A
 N/A

 Medical Assumptions:

 Trend assumed for the year
 N/A
 N/A
 N/A
 6.50
 %
 5.95
 %
 5.75
 %

 Ultimate trend rate
 N/A
 N/A
 N/A
 6.50
 %
 5.95
 %
 5.75
 %

 Year that ultimate trend rate is reached
 N/A
 N/A
 N/A
 N/A
 N/A
 N/A

 Assumptions

 The Company sets the discount rate assumption annually for each of its retirement-related benefit plans as of the measurement date, based on a review of projected cash flow and a long-term high-quality corporate bond yield curve. The discount rate determined on each measurement date is used to calculate the benefit obligation as of that date, and is also used to calculate the net periodic benefit (income)/cost for the upcoming plan year. During 2015, the mortality assumption for the U.S. plans was updated to Mercer's MRP-2007 generational mortality tables for non-annuitants and Mercer's MILES-2010 generational tables for the Auto, Industrial Goods and Transportation group for annuitants both reflecting Mercer's MMP-2007 improvement scale. In 2018, the Company incorporated the MMP-2018 improvement scale. MMP-2018 is a Mercer-developed scale that uses the same basic model as the Society of Actuaries MP-2018 scale, but with different parameters and adjustments for actual experience since 2006. In 2019, the Company incorporated the MMP-2019 improvement scale which was utilized in 2020. In 2021, the Company incorporated the MMP-2021 improvement scale. MMP-2021 is a Mercer-developed scale that uses the same basic model as the Society of Actuaries MP-2019 scale, but with different parameters and adjustments for actual experience since 2006. A blue collar adjustment is reflected for the hourly union participants and a white collar adjustment is reflected for all other participants. Actuarial gains and losses are amortized using the corridor method. The gain/loss corridor is equal to 10% of the greater of the benefit obligation and the fair value of assets. Gains and losses in excess of the corridor are generally amortized over the average future lifetimes of all participants. For those plans where active participants continue to accrue benefits, the amortization period is the expected future service for the remaining active participants.

 The pension expected return on assets assumption is derived from the long-term expected returns based on the investment allocation by class specified in the Company's investment policy. The expected return on plan assets is a component of the net periodic benefit (income)/cost of the upcoming plan year and is determined on each measurement date using the expected return on assets assumption and the fair value of assets.

 Assumed health care cost trend rates have a significant effect on the amounts reported for the health care plans. To determine the health care cost trend rates the Company considers national health trends and adjusts for its specific plan design and locations. The trend and aging assumptions were updated during 2016 to reflect more current trends. These assumptions were reviewed in 2024 based on a review of updated national health trends.

 U.S. Plans

 In the twelve months ended December 31, 2022, the Company adopted and communicated to participants a plan to terminate the PVP A. The Company's objective was to manage the assets as appropriate for the near-term termination and closing of the PVP A. The assets were invested solely in cash and diversified taxable fixed income bonds. In the fourth quarter of 2023, the Company applied final settlement accounting to the PVP A. There were no plan assets as of December 31, 2023 and December 31, 2024.

 U.K. Prestwick Plan

 The Trustee's investment objective is to ensure that they can meet their obligation to the beneficiaries of the Plan. An additional objective is to achieve a return on the total Plan, which is compatible with the level of risk considered appropriate. The overall benchmark allocation of the Plan's assets is:

 Equity securities
 15 – 17%

 Debt securities
 82 - 84%

 Property
 1%

 The Plan has asset allocations as of December 31, 2024 and December 31, 2023, as follows:

 2024
 2023

 Asset Category — U.K. Prestwick

 Equity securities
 %
 %

 Debt securities
 %
 %

 Other
 —
 %
 %

 Total
 %
 %

 U.K. Belfast Plans

 The Trustees' investment objective is to ensure that they can meet their obligation to the beneficiaries of the Plans. An additional objective is to achieve a return on the total Plan, which is compatible with the level of risk considered appropriate. The overall benchmark allocation of the Plan's assets is:

 Liquid growth

 %

 Illiquid growth

 %

 Liability driven investments

 %

 The Plans have asset allocations as of December 31, 2024 and December 31, 2023, as follows:

 2024
 2023

 Asset Category — U.K. Belfast

 Liability driven investments

 %
 %

 Equity and fixed income securities

 %
 %

 Money market

 %
 %

 Total
 %
 %

 Projected contributions and benefit payments

 Required U.S. pension contributions under Employee Retirement Income Security Act (ERISA) regulations are expected to be zero in 2025 and discretionary contributions are not expected in 2025. SERP and post-retirement medical plan contributions in 2025 are expected to be $6.2. Expected contributions to the U.K. Prestwick plan for 2025 are $0.9. Expected contributions to the U.K. (Belfast) plans for 2025 are $1.9.

 The Company monitors its defined benefit pension plan asset investments on a quarterly basis and believes that the Company is not exposed to any significant credit risk in these investments.

 The total benefits expected to be paid over the next ten years from the plans' assets or the assets of the Company, by country, are as follows:

 U.S.
 Pension Plans
 Other
Post-Retirement
Benefit Plans

 2025
 $
 0.1
 $
 6.1

 2026
 $
 0.1
 $
 5.9

 2027
 $
 0.1
 $
 5.6

 2028
 $
 0.1
 $
 4.9

 2029
 $
 0.1
 $
 3.9

 2030-2034

 $
 0.4
 $
 7.7

 U.K. Prestwick
 Pension Plans

 2025
 $
 1.0

 2026
 $
 1.2

 2027
 $
 1.5

 2028
 $
 1.6

 2029
 $
 1.7

 2030-2034

 $
 9.7

 U.K. Belfast
 Pension Plans
 Other
Post-Retirement
Benefit Plans

 2025
 $
 55.9
 $
 —

 2026
 $
 61.2
 $
 —

 2027
 $
 65.6
 $
 —

 2028
 $
 72.2
 $
 —

 2029
 $
 77.3
 $
 —

 2030-2034

 $
 443.7
 $
 0.1

 Fair Value Measurements

 The pension plan assets are valued at fair value. A financial instrument's level within the fair value hierarchy is based on the lowest level of any input that is significant to the fair value measurement. The following is a description of the valuation methodologies used for the investments measured at fair value, including the general classification of such instruments pursuant to the valuation hierarchy.

 Temporary Cash Investments — These investments consist of U.S. dollars and foreign currencies held in master trust accounts. Foreign currencies held are reported in terms of U.S. dollars based on currency exchange rates readily available in active markets. These temporary cash investments are classified as level 1 investments.

 Collective Investment Trusts — These investments are public investment vehicles valued using market prices and performance of the fund. The trust allocates notional units to the policy holder based on the underlying notional unit buy (offer) price using the middle market price plus transaction costs. These investments are classified within level 2 of the valuation hierarchy. In addition, the collective investment trust includes a real estate fund, which is classified within level 3 of the valuation hierarchy.

 Equity and Bond Funds — Domestic and international equity or fixed income securities as well as commingled equity or bond funds categorized as Level 1 are traded on active national and international exchanges and are valued at their closing prices on the last trading day of the year. For equity securities not traded on an active exchange, or if the closing price is not available, the trustee obtains indicative quotes from a pricing vendor, broker or investment manager. These securities are categorized as Level 2 if the custodian obtains corroborated quotes from a pricing vendor or categorized as Level 3 if the custodian obtains uncorroborated quotes from a broker or investment manager. The closed-ended private infrastructure equity fund is classified within level 3 of the valuation hierarchy.

 As of December 31, 2024 and December 31, 2023, the pension plan assets measured at fair value on a recurring basis were as follows:

 At December 31, 2024 Using

 December 31, 2024 Total
 Quoted Prices in
Active Markets
for Identical
(Level 1)
 Significant
Other
Observable
Inputs
(Level 2)
 Significant
Unobservable
Inputs
(Level 3)

 Temporary Cash Investments
 $
 40.5
 $
 40.5
 $
 —
 $
 —

 Collective Investment Trusts
 38.9
 —
 38.9
 —

 Equity and Bond Funds

 1,326.8
 552.8
 772.1
 1.9

 $
 1,406.2
 $
 593.3
 $
 811.0
 $
 1.9

 At December 31, 2023 Using

 December 31, 2023 Total
 Quoted Prices in
Active Markets
for Identical
(Level 1)
 Significant
Other
Observable
Inputs
(Level 2)
 Significant
Unobservable
Inputs
(Level 3)

 Temporary Cash Investments
 $
 126.9
 $
 126.9
 $
 —
 $
 —

 Collective Investment Trusts
 45.7
 —
 44.3
 1.4

 Equity and Bond Funds

 1,375.4
 583.2
 791.0
 1.2

 $
 1,548.0
 $
 710.1
 $
 835.3
 $
 2.6

 The table below sets forth a summary of changes in the fair value of the Plan's level 3 investment assets and liabilities for the years ended December 31, 2024 and December 31, 2023:

 Beginning
Fair Value
 Purchases
 Gain (Loss)
 Sales,
Maturities,
Settlements, Net
 Exchange
rate
 Ending Fair
Value

 Collective Investment Trusts
 $
 1.4
 $
 —
 $
 ( 1.4)
 $
 —
 $
 —
 $
 —

 Equity and Bond Funds

 $
 1.2
 $
 —
 $
 $
 1.3
 $
 —
 $
 1.9

 $
 2.6
 $
 —
 $
 $
 1.3
 $
 —
 $
 1.9

 Beginning
Fair Value
 Purchases
 Gain (Loss)
 Sales,
Maturities,
Settlements, Net
 Exchange
rate
 Ending Fair
Value

 Collective Investment Trusts
 $
 1.5
 $
 —
 $
 $
 —
 $
 0.1
 $
 1.4

 Equity and Bond Funds

 $
 —
 $
 —
 $
 —
 $
 1.2
 $
 —
 $
 1.2

 $
 1.5
 $
 —
 $
 $
 1.2
 $
 0.1
 $
 2.6

 19. Capital Stock

 Holdings has authorized 210,000,000 shares of stock. Of that, 200,000,000 shares are Common Stock, par value $ 0.01 per share, one vote per share and 10,000,000 shares are preferred stock, par value $ 0.01 per share.

 In association with the Boeing Acquisition, Spirit executives with balances in Boeing's Supplemental Executive Retirement Plan ("SERP") were authorized to purchase a fixed number of units of Holdings "phantom stock" at $ 3.33 per unit

 based on the present value of their SERP balances. Any payment on account of units may be made in cash or shares of Common Stock at the sole discretion of Holdings. The balance of SERP units was 0, 0, and 16,023 as of December 31, 2024, 2023, and 2022, respectively.

 Common Stock Offering

 On November 8, 2023, the Company entered into an underwriting agreement in connection with the registered public offering of 10,454,545 shares of the Company's Class A common stock, including the underwriters' option to purchase 1,363,636 additional shares of Class A common stock, at a price to the public of $22.00 per share of Class A common stock. On November 13, 2023, the Company issued and sold 10,454,545 shares of its Class A common stock pursuant to the Underwriting Agreement, which included the exercise in full of the underwriters' option to purchase additional shares of Class A common stock. The net proceeds to the Company from the Common Stock Offering, after deducting underwriting discounts and commissions and offering expenses payable by the Company, were approximately $ 220.7.

 Repurchases of Common Stock

 As of December 31, 2024, there was $ 925.0 remaining under the Board-authorized share repurchase program. During the twelve months ended December 31, 2024, no shares were repurchased under the Board-authorized share repurchase program. Share repurchases are currently on hold. The Credit Agreement imposes additional restrictions on the Company's ability to repurchase shares.

 During the twelve months ended December 31, 2024, 539,991 shares were transferred to us from employees in satisfaction of tax withholding obligations associated with the vesting of restricted stock awards and restricted stock units under the Omnibus Plan.

 20. Stock Compensation

 Holdings has established the stockholder-approved 2014 Omnibus Incentive Plan, as amended (the "Omnibus Plan") to grant cash and equity awards to certain individuals. Compensation values are based on the value of Holdings' Common Stock on the grant date, which is added to equity and charged to period expense. The Company's Omnibus Plan was amended in October 2019 to allow for participants to make tax elections with respect to their equity awards.

 Holdings has recognized a net total of $ 36.1, $ 26.8, and $ 36.6 of stock compensation expense for the twelve months ended December 31, 2024, 2023, and 2022, respectively.

 As part of the separation agreement with the former President and Chief Executive Officer of the Company, the requirement to be employed by the Company through the applicable vesting date was waived for 91,978 previously issued time- based restricted stock units. This modification resulted in a decrease of $1.0 of stock compensation expense due to the decrease in the fair value of the modified awards in the twelve months ended December 31, 2023.

 0 and 22,594 shares of Common Stock with aggregate grant date fair value of $ 0.0 and $ 0.6 were granted, and vested immediately, to employees in connection with the ratification of new labor contracts during the twelve months ended December 31, 2024 and 2023, respectively.

 Short-Term Incentive Plan

 The Short-Term Incentive Program under the Omnibus Plan enables eligible employees to receive incentive benefits in the form of cash as determined by the Compensation Committee.

 Board of Directors Stock Awards

 The Company's Omnibus Plan provides non-employee directors the opportunity to receive grants of restricted shares of Common Stock, or Restricted Stock Units ("RSUs") or a combination of both Common Stock and RSUs. The Common Stock grants and RSU grants vest one year from the grant date subject to the director's compliance with the one-year service

 condition; however, the RSU grants are not payable until the director's separation from service. The Board of Directors is authorized to make discretionary grants of shares or RSUs from time to time. Compensation values are based on the value of Holdings' Common Stock on the grant date, which is added to equity and charged to period expense.

 The Company expensed a net amount of $ 2.0, $ 2.0, and $ 1.6 for the restricted shares of Common Stock and RSUs for the twelve months ended December 31, 2024, 2023, and 2022, respectively. As of December 31, 2024, the Company's unamortized stock compensation related to these restricted shares of Common Stock and RSUs is $ 0.7, which will be recognized over a weighted average remaining period of 4 months. The intrinsic value of the unvested restricted shares of Common Stock and RSUs, based on the value of the Company's stock at December 31, 2024, was $ 2.1, based on the value of the Company's Common Stock and the number of unvested shares of restricted Common Stock and RSUs.

 The following table summarizes grants of restricted Common Stock and RSUs to members of the Company's Board of Directors for the twelve months ended December 31, 2024, 2023, and 2022:

 Value(1)

 Class A
 Class A

 (Thousands)

 Board of Directors Stock Grants

 Nonvested at December 31, 2021
 $
 1.6

 2.2

 ( 41)
 ( 1.8)

 —
 —

 Nonvested at December 31, 2022
 $
 2.0

 2.0

 ( 63)

 —
 —

 Nonvested at December 31, 2023
 $
 2.0

 2.0

 ( 82)

 —
 —

 Nonvested at December 31, 2024
 $
 2.0

 (1)Value represents grant date fair value.

 Long-Term Incentive Awards

 Holdings has established the Long-Term Incentive Plan (the "LTIP") under the Omnibus Plan to grant equity awards to certain employees. Generally, specified employees are entitled to receive a long-term incentive award that, for the 2024 year, consisted of the following:

 •50% of the award consisted of time-based, service-condition restricted Common Stock that vests in equal installments over a three-year period (restricted stock units ("RSUs")). Values for these awards are based on the value of Common Stock on the grant date.

 •50% of the award consisted of performance-based, market-condition restricted Common Stock that vests on the three-year anniversary of the grant date contingent upon TSR compared to the Company's peers (the "TSR Award"). Values for these awards are initially measured on the grant date using estimated payout levels derived from a Monte Carlo valuation model.

 For the 2023 year, specified employees were entitled to receive a long-term incentive award that generally consisted of the following:

 •50% of the award consisted of time-based, service-condition restricted Common Stock that vests in equal installments over a three-year period (restricted stock units ("RSUs")). Values for these awards are based on the value of Common Stock on the grant date.

 •25% of the award consisted of performance-based, market-condition restricted Common Stock that vests on the three-year anniversary of the grant date contingent upon TSR compared to the Company's peers (the "TSR Award"). Values for these awards are initially measured on the grant date using estimated payout levels derived from a Monte Carlo valuation model.

 •12.5% of the award consisted of performance-based, (performance-condition) restricted Common Stock that vests on the three-year anniversary of the grant date contingent upon the Company's 2024 - 2025 free cash flow meeting certain pre-established goals. Values for these awards are based on the dividend adjusted value of Common Stock on the grant date.

 •12.5% of the award consisted of performance-based, (performance-condition) restricted Common Stock that vests on the three-year anniversary of the grant date contingent upon the Company's revenue growth over a three-year performance period meeting certain pre-established goals. Values for these awards are based on the dividend adjusted value of Common Stock on the grant date.

 For the 2022 year, specified employees were entitled to receive a long-term incentive award that generally consisted of the following:

 •50% of the award consisted of time-based, service-condition restricted Common Stock that vests in equal installments over a three-year period (RSUs). Values for these awards are based on the value of Common Stock on the grant date.

 •50% of the award consisted of performance-based, market-condition restricted Common Stock that vests on the three-year anniversary of the grant date contingent upon TSR compared to the Company's peers (the "TSR Award"). Values for these awards are initially measured on the grant date using estimated payout levels derived from a Monte Carlo valuation model.

 For the twelve months ended December 31, 2024, 816,238 time or service-based RSUs were granted with aggregate date fair values of $ 25.2 under the Company's LTIP. In addition, 388,386 performance-based restricted stock units ("PBRSUs") were granted with aggregate grant date fair value of $ 14.9 under the Company's LTIP.

 For the twelve months ended December 31, 2023, 1,229,552 time or service-based RSUs were granted with aggregate date fair values of $ 29.6 under the Company's LTIP. In addition, 463,939 performance-based restricted stock units ("PBRSUs") were granted with aggregate grant date fair value of $ 20.1 under the Company's LTIP.

 For the twelve months ended December 31, 2022, 553,578 time or service-based RSUs were granted with aggregate date fair values of $ 24.0 under the Company's LTIP. In addition, 284,653 PBRSUs were granted with aggregate grant date fair value of $ 22.0 under the Company's LTIP.

 The Company expensed a net total of $ 34.1, $ 24.2, and $ 32.1 for share of Common Stock issued under the LTIP for the twelve months ended December 31, 2024, 2023, and 2022, respectively.

 $0.1, $0.1 and $0.1 of equity awards were settled with cash during the twelve months ended December 31, 2024, 2023, and 2022, respectively.

 As of December 31, 2024, the Company's unamortized stock compensation related to these unvested shares of Common Stock is $ 29.3, which will be recognized over a weighted average remaining period of 1.7 years. The intrinsic value of the unvested shares of Common Stock issued under the LTIP at December 31, 2024 was $ 50.9, based on the value of the Company's Common Stock and the number of unvested shares.

 The following table summarizes the activity of the restricted shares under the LTIP for the twelve months ended December 31, 2024, 2023, and 2022:

 Value(1)

 Common Stock
 Common Stock

 (Thousands)

 Long-Term Incentive Plan/Long-Term Incentive Award under Omnibus Plan

 Nonvested at December 31, 2021
 1,402
 $
 68.9

 46.0

 ( 396)
 ( 20.6)

 ( 142)
 ( 11.6)

 Nonvested at December 31, 2022
 1,703
 $
 82.7

 1,694
 49.7

 ( 494)
 ( 23.8)

 ( 824)
 ( 38.6)

 Nonvested at December 31, 2023
 2,079
 $
 70.0

 1,204
 40.1

 ( 1,319)
 ( 47.6)

 ( 484)
 ( 20.7)

 Nonvested at December 31, 2024
 1,480
 $
 41.8

 (1)Value represents grant date fair value.

 Employee Stock Purchase Plan

 The Company maintains the Spirit AeroSystems Holdings, Inc. Employee Stock Purchase Plan (the "ESPP") which became effective on October 1, 2017 and was amended and restated on February 26, 2024. Under the amended plan, the per-share purchase price for the Company's Common stock purchased under the ESPP is 85% of the lower of (a) the fair market value of a share on the first day of the applicable offering period or (b) the fair market value of a share on the applicable purchase date.

 The Company recognized $ 2.0 and $ 2.5 of stock compensation expense related to the ESPP for the twelve months ended December 31, 2024 and 2023, respectively. The Company recognized no stock compensation expense related to the ESPP for the twelve months ended December 31, 2022.

 21. Income Taxes

 Income Before Income Taxes: The sources of income before income taxes are:

 2024
 2023
 2022

 U.S.
 $
 ( 1,581.3)
 $
 ( 329.7)
 $
 ( 467.2)

 International
 ( 560.3)
 ( 263.6)
 ( 72.2)

 Total (before equity earnings)
 $
 ( 2,141.6)
 $
 ( 593.3)
 $
 ( 539.4)

 Income taxes are accounted for in accordance with FASB authoritative guidance on accounting for income taxes. Deferred income tax assets and liabilities are recognized for the future income tax consequences attributable to differences between the financial statement carrying amounts for existing assets and liabilities and their respective tax bases. Tax rate changes impacting these assets and liabilities are recognized in the period during which the rate change occurs.

 The Company records an income tax expense or benefit based on the income earned or loss incurred in each tax jurisdiction and the tax rate applicable to that income or loss. In the ordinary course of business, there are transactions for which the ultimate tax outcome is uncertain. These uncertainties are accounted for in accordance with FASB authoritative guidance on accounting for the uncertainty in income taxes. The final tax outcome for these matters may be different than management's original estimates made in determining the income tax provision. A change to these estimates could impact the effective tax rate and net income or loss in subsequent periods. The Company uses the flow-through accounting method for tax credits. Under this method, tax credits reduce income tax expense.

 Provision for Income Tax Taxes: The income tax (benefit) expense contains the following components:

 2024
 2023
 2022

 Current

 Federal
 $
 0.1
 $
 1.4
 $
 ( 4.5)

 State
 ( 11.0)
 —

 Foreign
 4.2
 2.7
 1.7

 Total current
 $
 ( 6.7)
 $
 4.1
 $
 ( 3.5)

 Deferred

 Federal
 $
 2.0
 $
 11.1
 $
 10.2

 State
 ( 1.5)
 3.2
 2.5

 Foreign
 3.8
 4.1
 ( 4.0)

 Total deferred
 4.3
 18.4
 8.7

 Total income tax provision (benefit)
 $
 ( 2.4)
 $
 22.5
 $
 5.2

 Reconciliation of Effective Income Tax Rate: The income tax provision from operations differs from the tax provision computed at the U.S. federal statutory income tax rate due to the following:

 2024
 2023
 2022

 Tax at U.S. Federal statutory rate
 $
 ( 449.7)
 21.0
 %
 $
 ( 124.6)
 21.0
 %
 $
 ( 113.3)
 21.0
 %

 State income taxes, net of Federal benefit
 ( 51.1)
 2.4
 ( 6.4)
 1.1
 ( 9.6)
 1.8

 State income tax credits, net of Federal benefit
 ( 1.4)
 —
 ( 8.6)
 1.4
 ( 15.6)
 2.9

 Foreign rate differences
 ( 25.5)
 1.2
 ( 12.1)
 2.0
 ( 3.5)
 0.6

 Research and experimentation
 ( 4.8)
 0.2
 ( 4.2)
 0.7
 ( 5.2)
 1.0

 Excess tax benefits
 —
 —
 0.9
 0.4

 Non-deductible expenses
 10.2
 17.2
 ( 2.9)
 4.2

 Re-measurement of Deferred Taxes
 0.8
 —
 ( 9.0)
 1.5
 ( 7.1)
 1.3

 Global Intangible Low-Taxed Income (GILTI) Tax
 —
 —
 —
 —
 ( 1.8)
 0.3

 Valuation Allowance
 514.3
 ( 24.0)
 154.5
 ( 26.0)
 170.6
 ( 31.6)

 Previously unrecognized tax benefit
 2.1
 ( 0.3)
 0.1
 ( 10.6)
 2.0

 Other
 2.7
 15.1
 ( 2.5)
 ( 3.3)
 0.6

 Total income tax provision (benefit)
 $
 ( 2.4)
 0.1
 %
 $
 22.5
 ( 3.8)
 %
 $
 5.2
 %

 The income tax provision (benefit) for the twelve months ended December 31, 2024, was ($ 2.4) compared to $ 22.5 for the prior year. The 2024 effective tax rate was 0.1 % as compared to ( 3.8 %) for 2023.

 The FASB Staff Q&A, Topic 740, No. 5, Accounting for Global Intangible Low-Taxed Income ("GILTI"), states that an entity can make an accounting policy election to either recognize deferred taxes for temporary basis differences expected to reverse as GILTI in future years or to provide for the tax expense related to GILTI cost in the year the tax is incurred as a period expense only. The Company has elected to account for GILTI as a period cost in the year the tax is incurred. As of December 31, 2024, there was $ 0.0 of GILTI tax. As of December 31, 2023, there was $ 0.0 of GILTI tax. As of December 31, 2022, there was ($ 1.8) of GILTI tax benefit primarily due to the refundable U.K. research credits being credited against prior years' GILTI tax expense.

 The CARES Act allows net operating losses from 2018, 2019 and 2020 to be carried back to the previous five years, when the federal tax rate was 35%. As of December 31, 2020 the Company reported a net operating loss when it filed its fiscal year 2020 tax return. A preliminary net operating loss carryback claim was filed in March 2021 requesting a refund of $305 which was received in 2021. A second net operating loss carryback claim using the finalized 2020 U.S. Net Operating Loss was filed in December 2021 requesting an additional $11.6 federal refund, which was received in 2022. The Company had $ 6.6 and $ 5.3 of income tax receivable as of December 31, 2024 and December 31, 2023, respectively, which is reflected within Other current assets on the Consolidated Balance Sheets as well as $0.8 and $0.0 of income tax payable as of December 31, 2024 and December 31, 2023, respectively, which is reflected within Other current liabilities on the Consolidated Balance Sheets. The Company had $1.5 and $1.5 of non-current income tax payable as of December 31, 2024 and December 31, 2023, respectively, which is reflected within Other non-current liabilities on the Consolidated Balance Sheets.

 Additionally, as allowed by the CARES Act, the Company had deferred $33.0 of employer payroll taxes as of December 31, 2020, of which 50% was deposited by December 2021 and the remaining 50% was credited against the outstanding pre-tax employee retention credit refund claim in 2022. The Company filed a claim for a pre-tax employee retention credit of $18.8 for 2020 and $1.0 for 2021. The outstanding pre-tax employee retention credit refund claim as of December 31, 2024 and December 31, 2023 was $0.0 and $3.1, respectively.

 Deferred Income Taxes: Significant tax effected temporary differences comprising the net deferred tax asset, prior to valuation allowance, are as follows:

 2024
 2023

 Depreciation and amortization
 $
 ( 45.4)
 $
 ( 87.7)

 Long-term contracts
 ( 39.0)
 125.3

 State income tax credits
 143.6
 154.1

 Net operating loss carryforward
 1,084.0
 489.7

 Accruals and reserves
 59.3
 47.3

 Employee compensation accruals
 36.3
 26.9

 Pension and other employee benefit plans
 ( 27.5)
 ( 15.9)

 Interest expense limitation
 116.4
 89.9

 Post-retirement benefits other than pensions

 7.4
 8.9

 Other
 37.3
 19.7

 Inventory
 0.6
 0.9

 Interest swap contracts

 Net deferred tax asset before valuation allowance
 1,372.8
 858.4

 Valuation allowance
 ( 1,380.5)
 ( 867.4)

 Net deferred tax asset (liability)

 ( 7.7)
 ( 9.0)

 Deferred tax detail above is included in the balance sheet and supplemental information as follows:

 2024
 2023

 Non-current deferred tax assets
 0.1
 0.1

 Non-current deferred tax liabilities
 ( 9.1)

 Net non-current deferred tax asset (liability)
 $
 ( 7.7)
 $
 ( 9.0)

 Total deferred tax asset (liability)

 $
 ( 7.7)
 $
 ( 9.0)

 The following is a roll forward of the deferred tax valuation allowance at December 31, 2024, 2023, and 2022:

 2024
 2023
 2022

 Balance at January 1
 $
 867.4
 $
 714.7
 $
 536.8

 Corporate rate remeasurement
 ( 0.3)
 0.5

 State income tax credits
 ( 10.0)
 7.8
 18.3

 Net operating losses
 547.1
 141.5
 155.3

 Depreciation and amortization
 0.1
 0.2
 0.2

 Assets held for sale (1)

 3.0
 —
 —

 Other
 ( 25.7)
 4.6
 ( 3.0)

 Other comprehensive income adjustment
 ( 1.9)
 7.3

 Balance at December 31
 $
 1,380.5
 $
 867.4
 $
 714.7

 (1)Deferred income taxes for FMI. See Note 30 Acquisitions and Dispositions.

 Deferred tax assets are periodically evaluated to determine their recoverability and whether or not a valuation allowance is necessary. A valuation allowance, if needed, reduces deferred tax assets to the amount expected to be realized. When determining the amount of net deferred tax assets that are more likely than not to be realized, the Company assesses all available positive and negative evidence. The weight given to the positive and negative evidence is commensurate with the extent the evidence may be objectively verified. As such, it is generally difficult for positive evidence regarding projected future taxable income exclusive of reversing taxable temporary differences to outweigh objective negative evidence of recent financial reporting losses.

 Based on these criteria and the relative weighting of both the positive and negative evidence available, and in particular the activity surrounding the Company's prior earnings history including the forward losses previously recognized in the U.S., Management determined that it was necessary to establish a valuation allowance against nearly all of its net U.S. deferred tax assets at December 31, 2024, 2023, and 2022. This determination was made as the Company entered into a U.S. cumulative loss position during 2021. Once a company enters a cumulative three year loss position, there is a presumption that a company should no longer rely solely on projected future income in determining whether the deferred tax asset is more likely than not to be realized. As of December 31, 2024, the total net U.S. deferred tax asset, prior to valuation allowance, was $ 876.5. The net U.S. deferred tax liability after recording valuation allowances is $ 0.1. Valuation allowances recorded against the consolidated net U.S. deferred tax asset in the current year were $368.5 for a total valuation allowance of $ 876.6 for the U.S.

 The Company has determined a valuation allowance on certain U.K. deferred tax assets is needed based upon historic cumulative losses and current year losses generated in the U.K. The Company recorded a portion of the increase in the valuation allowance to income tax expense in continuing operations of $145.9, and a portion to OCI of ($1.1). Valuation allowances recorded against U.K. deferred tax assets in the current year were $144.8 for a total valuation allowance of $ 504.0 for the U.K.

 Included in the deferred tax assets at December 31, 2024 are $125.4 in Kansas High Performance Incentive Program ("HPIP") Credit, $13.7 in Kansas Research & Development ("R&D") Credit and $1.5 in Kansas Qualified Vendor ("QV") Credit, totaling $140.6 in gross Kansas state income tax credit carryforwards, net of federal benefit. The HPIP Credit provides a 10% investment tax credit for qualified business facilities located in Kansas. This credit can be carried forward 16 years. The

 Kansas R&D Credit provides a credit for qualified research and development expenditures conducted within Kansas. This credit can be carried forward indefinitely. The QV Credit is equal to 15% of the amount for approved expenditures of goods and services purchased from a qualified vendor, not to exceed $0.5 per qualified vendor per tax year. The QV Credit can be carried forward 4 years.

 Also included in the deferred tax assets at December 31, 2024 are $6.1 in Oklahoma Investment Tax Credits. The Oklahoma Investment Tax Credit is designed to encourage manufacturing in Oklahoma. An annual credit can be claimed for up to five years and is based on either investment in new depreciable property or the addition of employees. The credit is calculated as the greater of 1% of the investment in depreciable property or $500.00 per new job created. The credit is doubled to the greater of 2% of the investment or $1,000.00 per new job if the business is located in an Enterprise Zone.

 The one-time transition tax and GILTI provisions within the TCJA effectively transitioned the U.S. to a territorial system and eliminated the deferral of U.S. taxation for certain amounts of income which is not taxed at a minimum level. To the extent a dividend is declared, the tax impact of repatriating earnings would not be significant as substantially all of the net prior unrepatriated earnings have been subject to U.S. tax. Additionally, any foreign tax withholding would not be significant.

 During 2023, the Company made a one-time distribution from Singapore to the U.S. resulting in no taxable income inclusion and no U.S. income tax recorded to the financial statements. During 2024, the Company entered into a merger agreement with The Boeing Company and a Term Sheet with Airbus SE (the "Airbus Term Sheet"). In the Airbus Term Sheet, select assets have been identified for potential divestiture. Due to this agreement, the Company cannot assert that the remaining earnings of certain foreign operating subsidiaries are indefinitely invested outside the U.S. Analysis has been done on these foreign subsidiaries for the potential deferred taxes to be recorded on these investments. The analysis has resulted in no additional taxes that need to be recorded in the December 31, 2024 financial statements. Additionally, the analysis concluded no deferred taxes are required to be recorded for withholding taxes on the foreign earnings. See also Note 2 Basis of Presentation.

 Unrecognized Tax Benefits: The beginning and ending unrecognized tax benefits reconciliation is as follows:

 2024
 2023
 2022

 Beginning balance at January 1
 $
 7.1
 $
 8.1
 $
 18.3

 Gross increases (decreases) related to current period tax positions

 0.4
 0.4

 Gross increases related to prior period tax positions
 2.3
 —
 —

 Statute of limitations' expiration

 —
 ( 10.6)

 Ending balance at December 31
 $
 9.8
 $
 7.1
 $
 8.1

 Included in the December 31, 2024 balance was $ 9.8 in unrecognized tax benefits of which $ 8.1 would reduce the Company's effective tax rate if ultimately recognized.

 The Company reports interest and penalties, if any, related to unrecognized tax benefits in the income tax provision. As of December 31, 2024, 2023, and 2022, there was no accrued interest on the unrecognized tax benefit liability included in the balance sheets and income statements during 2024, 2023, and 2022.

 The Company files income tax returns in all jurisdictions in which it operates.

 The Company's federal audit is conducted under the Internal Revenue Service Compliance Assurance Process ("CAP") program. The Company will continue to participate in the CAP program for 2021 through 2024. The CAP program's objective is to resolve issues in a timely, contemporaneous manner and eliminate the need for a lengthy post-filing examination. The Company has an open tax audit in the Kingdom of Morocco for tax years ending prior to the Company's ownership of the Moroccan legal entity. There are ongoing audits in other jurisdictions that are not material to the financial statements and the Company believes appropriate provisions for all outstanding tax issues have been made for all jurisdictions and years.

 The Company operated under a tax holiday in Malaysia which was effective through September 30, 2024. The tax holiday was conditional upon remaining in good standing with the Malaysia taxing authorities, having at least 20% value-add, and having at least 30% of employees with a diploma/degree in science/technical discipline. The tax impact of this tax holiday was $2.8, $3.4, and $3.0 for the twelve months ended December 31, 2024, 2023, and 2022, respectively.

 The Organization for Economic Co-operation and Development has issued Pillar Two model rules introducing a new global minimum tax of 15% intended to be effective on January 1, 2024. While the U.S. has not yet adopted the Pillar Two rules, various other governments around the world are enacting legislation. As currently designed, Pillar Two will ultimately apply to worldwide operations. Considering the Company does not have material operations in jurisdictions with tax rates lower than the Pillar Two minimum, these rules are not expected to materially increase our global tax costs. There remains uncertainty as to the final Pillar Two model rules. The U.S. and global legislative action will be monitored for potential Pillar Two impacts.

 22. Equity

 Employee Stock Purchase Plan

 The Company maintains the Spirit AeroSystems Holdings, Inc. Employee Stock Purchase Plan (the "ESPP"), which became effective on October 1, 2017 and was amended and restated on February 26, 2024. The ESPP is implemented over consecutive six-month offering periods, beginning on April 1 and October 1 of each year and ending on the last day of September and March, respectively. Shares are issued on the last trading day of each six-month offering period. Generally, any person who is employed by the Company, Spirit or by a subsidiary or affiliate of the Company that has been designated by the Compensation Committee may participate in the ESPP. As of December 31, 2024, the number of remaining ESPP shares available for future issuances was 3,361,044.

 The maximum number of shares of the Company's Common Stock that may be purchased under the ESPP is 4,500,000 shares, subject to adjustment for stock dividends, stock splits or combinations of shares of the Company's stock. The per-share purchase price for the Company's Common Stock purchased under the ESPP is 85% of the lower of (a) the fair market value of a share on the first day of the applicable offering period or (b) the fair market value of a share on the applicable purchase date.

 Following the purchase of shares for the offering period ending September 30, 2024, all ESPP enrollments were suspended. There is no further ESPP enrollment periods for the foreseeable future.

 Dividends

 On November 3, 2022, the Company announced that the Board had suspended payments of dividends. No dividends were paid in the years ending December 31, 2024 and December 31, 2023, respectively. The Board regularly evaluates the Company's capital allocation strategy and dividend policy. Any future determination to pay dividends will be at the discretion of the Company's Board of Directors and will depend upon, among other factors, the Company's results of operations, financial condition, capital requirements and contractual restrictions, including the requirements of financing agreements to which the Company may be a party. No assurance can be given that cash dividends will be declared and paid at historical levels or at all.

 Earnings per Share Calculation

 Basic net income per share is computed using the weighted-average number of outstanding shares of Common Stock during the measurement period. Diluted net income per share is computed using the weighted-average number of outstanding shares of Common Stock and, when dilutive, potential outstanding shares of Common Stock during the measurement period.

 The following table sets forth the computation of basic and diluted earnings per share:

 Loss
 Per
Share
 Loss
 Per
Share
 Loss
 Per
Share

 Basic EPS

 Loss available to common shareholders
 $
 116.8
 $
 ( 18.32)
 $
 106.6
 $
 ( 5.78)
 $
 104.6
 $
 ( 5.21)

 Income allocated to participating securities
 —
 —
 —
 —

 —
 —

 $

 $

 $

 Diluted potential common shares

 Diluted EPS

 $
 116.8
 $
 ( 18.32)
 $
 106.6
 $
 ( 5.78)
 $
 104.6
 $
 ( 5.21)

 Included in the outstanding common shares were 0.0 million, 0.1 million and 0.4 million of issued but unvested shares at December 31, 2024, 2023 and 2022, respectively, which are excluded from the basic EPS calculation.

 Common shares of 8.4 million were excluded from diluted EPS as a result of incurring a net loss for the twelve-month period ended December 31, 2024, as the effect would have been antidilutive. Additionally, diluted EPS for the twelve-month period ended December 31, 2024 excludes 0.2 million shares that may be dilutive common shares in the future, but were not included in the computation of diluted EPS because the effect was either antidilutive or the performance condition was not met.

 Common shares of 2.0 million were excluded from diluted EPS as a result of incurring a net loss for the twelve-month period ended December 31, 2023, as the effect would have been antidilutive. Additionally, diluted EPS for the twelve-month period ended December 31, 2023 excluded 0.1 million shares that were not included in the computation of diluted EPS because the effect was either antidilutive or the performance condition was not met.

 Accumulated Other Comprehensive Loss

 Accumulated Other Comprehensive Loss, net of tax, is summarized by component as follows:

 Pension

 ( 17.2)
 ( 18.7)

 SERP/ Retiree medical
 6.8
 6.8

 Derivatives - foreign currency hedge
 0.7
 2.2

 Foreign currency impact on long term intercompany loan
 ( 15.2)
 ( 14.6)

 Currency translation adjustment
 ( 75.2)
 ( 65.3)

 Total accumulated other comprehensive loss
 $
 ( 100.1)
 $
 ( 89.6)

 Amortization or settlement cost recognition of the pension plans' net gain/(loss) reclassified from accumulated other comprehensive loss and realized into costs of sales and selling, general and administrative on the consolidated statements of operations was $ 0.6, ($ 57.3) and ($ 107.0) for the twelve months ended December 31, 2024, 2023 and 2022, respectively.

 Non-controlling Interest

 Non-controlling interest at December 31, 2024 was $ 5.5, representing $ 1.4 non-controlling interest in the Company's KIESC subsidiary and a $ 4.1 non-controlling interest in the Company's subsidiary Spirit Evergreen Aftermarket Solutions Co., Ltd., a joint venture with Evergreen Technologies Corporation to provide MRO services to the Asia-Pacific market.

 Common Stock Offering

 On November 8, 2023, the Company entered into an underwriting agreement in connection with the registered public offering of 10,454,545 shares of the Company's Class A common stock, including the underwriters' option to purchase 1,363,636 additional shares of Class A common stock, at a price to the public of $22.00 per share of Class A common stock. On November 13, 2023, the Company issued and sold 10,454,545 shares of its Class A common stock pursuant to the Underwriting Agreement, which included the exercise in full of the underwriters' option to purchase additional shares of Class A common stock. The net proceeds to the Company from the Common Stock Offering, after deducting underwriting discounts and commissions and offering expenses payable by the Company, were approximately $ 220.7.

 Repurchases of Common Stock

 The Company accounts for treasury stock under the cost method and includes treasury stock as a component of stockholders' equity. As of December 31, 2024, no treasury shares have been reissued or retired.

 During the twelve-month periods ended December 31, 2024 and December 31, 2023 the Company purchased zero shares of its Common Stock under this share repurchase program. The total authorization amount remaining under the current share repurchase program is approximately $ 925.0. Share repurchases are currently on hold. The Credit Agreement imposes additional restrictions on the Company's ability to repurchase shares.

 During the twelve months ended December 31, 2024, 539,991 shares were transferred to us from employees in satisfaction of tax withholding obligations associated with the vesting of restricted stock awards and restricted stock units under the Omnibus Plan.

 23. Commitments, Contingencies and Guarantees

 Litigation

 On May 3, 2023, a private securities class action lawsuit was filed in the U.S. District Court for the Southern District of New York against the Company, its former Chief Executive Officer, Tom Gentile III, and its Senior Vice President and Chief Financial Officer, Mark J. Suchinski. An Amended Complaint was filed on December 19, 2023, and a Second Amended Complaint was filed, with leave of the Court, on March 12, 2024. The lawsuit was brought on behalf of certain purchasers of securities of the Company, who allege purported misstatements and omissions concerning alleged faulty production controls and alleged quality and safety issues (the "Securities Class Action"). The specific claims in the Securities Class Action include (i) violations of Section 10(b) of the Exchange Act and Rule 10b-5 promulgated thereunder against all defendants, and (ii) violations of Section 20(a) of the Exchange Act against the individual defendants. The plaintiffs seek monetary damages. On May 13, 2024, the Company filed a motion to dismiss. On January 22, 2025, following mediation and while the motion to dismiss remained pending, the parties to this lawsuit, including the Company, entered into a binding term sheet to settle all claims asserted in the lawsuit against all defendants. The Company expects the majority of the settlement payment to be substantially covered by its insurance arrangements. The binding term sheet will be superseded by a more detailed Settlement Agreement and exhibits, which the parties are presently negotiating. The settlement remains subject to judicial approval, which will be sought jointly by the parties once the Settlement Agreement and exhibits have been finalized and executed.

 Spirit is also involved in litigation in the 10th Circuit Court of Appeals (the "Appellate Court") with its former Chief Executive Officer, Larry Lawson over Lawson's disputed violation of a restrictive covenant in his retirement and consulting agreement. On October 19, 2021, the U.S. District Court for the District of Kansas (the "District Court") ruled in favor of Lawson and awarded him $44.8 for benefits withheld in connection with the disputed violation, as well as post-judgment interest at the rate of 4.25%.

 Spirit appealed the judgment to the Appellate Court. On February 27, 2023, the Appellate Court issued an opinion reversing the District Court decision and concluding that Lawson had violated the terms of the restrictive covenant and remanded for the District Court to address whether the restrictive covenant that Lawson violated was enforceable under Kansas law. On June 15, 2023, the District Court held that the restrictive covenant was enforceable as a matter of Kansas law. The District Court entered judgment in favor of Spirit on June 27, 2023. Lawson appealed the District Court's latest decision, and

 this matter was argued before the Appellate Court on March 19, 2024. Spirit will continue to defend its position vigorously on appeal. A liability for the full amount of the award issued on October 19, 2021, plus accrued interest through March 28, 2023, was recognized and remains accrued in the Consolidated Balance Sheets as of December 31, 2023 and December 31, 2024.

 From time to time, in the ordinary course of business, the Company receives certain requests for information from government agencies (including the Department of Justice, the SEC and the FAA, among others) in connection with their regulatory or investigational authority. The Company has received information and document requests related to the January 5, 2024 Alaska Airlines incident, the B737 MAX 9 door plug, and safety and quality processes in the B737 MAX line production. These include requests to assist the government in investigations or audits, including by the FAA, as a party representative to a National Transportation Safety Board investigation, grand jury subpoenas from the Department of Justice, and subpoenas or examination requests from the SEC and the Attorney General of the State of Texas. The Company has also received subpoenas for records and other documents relating to the production, acquisition and use of titanium and other materials or parts, where certain records and certifications provided to the Company by third parties were or have been alleged to be counterfeit. The Company reviews such requests and notices and takes appropriate action. Additionally, the Company is subject to federal and state requirements for protection of the environment, including those for disposal of hazardous waste and remediation of contaminated sites. As a result, the Company is required to participate in certain government investigations regarding environmental remediation actions. The Company is currently unable to reasonably estimate any impact arising from these incidents, including any impacts from these requests and investigations.

 In addition to the items addressed above, from time to time, the Company is subject to, and is presently involved in, litigation, legal proceedings, or other claims arising in the ordinary course of business. While the final outcome of the matters cannot be predicted with certainty, considering, among other things, the meritorious legal defenses available, the Company believes that, on a basis of information presently available, none of these items, when finally resolved, will have a material adverse effect on the Company's long-term financial position or liquidity.

 Customer and Vendor Claims

 The Company receives, and is currently subject to, customer and vendor claims arising in the ordinary course of business, including, but not limited to, those related to product quality and late delivery. The Company accrues for matters when losses are deemed probable and reasonably estimable. In evaluating matters for accrual and disclosure purposes, the Company takes into consideration multiple factors including without limitation its historical experience with matters of a similar nature, the specific facts and circumstances asserted, the likelihood of an unfavorable outcome, and the severity of any potential loss. Any accruals deemed necessary are reevaluated at least quarterly and updated as matters progress over time.

 The Company has evaluated and refined management's original estimate of costs related to rework on the B787 aircraft, including a preliminary assessment related to rework on the forward section of the fuselage, for which the Company identified an additional fit and finish issue in the prior year. The Company continues to coordinate with Boeing to complete the necessary rework.

 On October 12, 2023, the Company entered into a Memorandum of Agreement (the "2023 MOA") with Boeing. Among other things, the 2023 MOA includes a broad release of liability and claims through October 12, 2023, by both parties relating to Boeing's Commercial Airplanes division and its airplane programs under the General Terms Agreement for the B787 program and the General Terms Agreement for the B737, B747, B767, and B777 programs.

 Commitments

 The Company's future aggregate capital commitments totaled $ 196.4 and $ 129.8 at December 31, 2024 and December 31, 2023, respectively.

 Contingencies

 On October 12, 2023, the Company entered into the 2023 MOA with Boeing. Among other things, the 2023 MOA establishes certain recurring shipset price increases for the B787, and as a result the Company reversed certain liabilities, including $205.6 of forward losses and $154.6 of material right obligation related to the B787 program in the fourth quarter of 2023.

 During the year ended December 31, 2024, the Company updated its estimated cost to satisfy customer firm orders on the A350 and A220 programs. Based on these estimates, and management's evaluation of key macroeconomic assumptions including the probability that these performance obligations would be exercised, management determined that it is probable each of these programs' performance obligations will extend beyond the period of time for which the Company has recorded forward losses. The key changes are based upon two primary factors, the change in strategic pricing conversations with our customer, Airbus, and incremental firm orders Airbus secured on the A350 and A220 programs. As a result, Company recorded incremental forward losses during 2024 of $688.0 on the A350 and A220 programs for production of expected firm orders through September 2029. Additional losses beyond what has been reserved could occur if there are unexpected changes to current assumptions in macroeconomic factors relevant to the Company's cost to complete all firm orders. As a result, while the Company does not believe incremental losses beyond those currently recorded are evident, it is reasonably possible one or more of these programs could be performed at a loss incremental to forward losses previously recorded for production outside of the timeframe or for orders that may be placed in addition to those assessed as of December 31, 2024 highlighted above. The Company continues to evaluate all options to reduce or eliminate recorded forward losses prospectively, including, but not limited to, continued active negotiations with its A220 and A350 customer, regarding, among other things, elements of price.

 Guarantees

 Contingent liabilities in the form of letters of guarantee have been provided by the Company. Outstanding guarantees were $ 24.9 and $ 23.1 at December 31, 2024 and December 31, 2023, respectively.

 Restricted Cash - Collateral Requirements

 The Company was required to maintain $ 29.5 and $ 22.3 of restricted cash as of December 31, 2024 and December 31, 2023, respectively, related to certain collateral requirements for obligations under its workers' compensation programs. Restricted cash is included in Other assets in the Company's Consolidated Balance Sheet.

 Indemnification

 The Company has entered into customary indemnification agreements with its directors, and its bylaws and certain executive employment agreements include indemnification and advancement provisions. Under the bylaws and any applicable agreement, the Company agrees to indemnify individuals against claims arising out of events or occurrences related to that individual's service as the Company's agent or the agent of any of its subsidiaries to the fullest extent legally permitted.

 The Company has agreed to indemnify parties for specified liabilities incurred, or that may be incurred, in connection with transactions they have entered into with the Company. The Company is unable to assess the potential number of future claims that may be asserted under these indemnities, nor the amounts thereof (if any). As a result, the Company cannot estimate the maximum potential amount of future payments under these indemnities and therefore, no liability has been recorded.
 Service and Product Warranties and Extraordinary Rework
 Provisions for estimated expenses related to service and product warranties and certain extraordinary rework are evaluated on a quarterly basis. These costs are accrued and are recorded to unallocated cost of goods sold. These estimates are established using historical information on the nature, frequency, and average cost of warranty claims, including the experience of industry peers. In the case of new development products or new customers, the Company considers other factors including the experience of other entities in the same business and management judgment, among others. Service warranty and extraordinary work is reported in current liabilities and other liabilities on the Company's Consolidated Balance Sheets.

 The warranty balance presented in the table below includes unresolved warranty claims that are in dispute in regard to their value as well as their contractual liability. The Company estimated the total costs related to some of these claims; however, there is significant uncertainty surrounding the disposition of these disputed claims and as such, the ultimate determination of the provision's adequacy requires significant management judgment. The amount of the specific provisions recorded against disputed warranty claims was $ 2.3 as of December 31, 2024 and December 31, 2023. These specific provisions represent the Company's best estimate of probable warranty claims. Should the Company incur higher than expected warranty costs and/or discover new or additional information related to these warranty provisions, the Company may incur additional charges that exceed these recorded provisions. The Company utilized available information to make appropriate assessments, however the

 Company recognizes that data on actual claims experience is of limited duration and therefore, claims projections are subject to significant judgment. The amount of the reasonably possible disputed warranty claims in excess of the specific warranty provision was $ 3.4 as of December 31, 2024 and December 31, 2023.

 The following is a roll forward of the service warranty and extraordinary rework balance at December 31, 2024, 2023 and 2022:

 2024
 2023
 2022

 Balance, January 1
 $
 82.7
 $
 74.9
 $
 71.3

 Charges to costs and expenses
 6.8
 10.2
 6.7

 Payouts
 ( 2.7)
 ( 2.7)
 ( 2.7)

 Exchange rate
 0.3

 Balance, December 31
 $
 86.7
 $
 82.7
 $
 74.9

 Bonds

 Since its incorporation, Spirit has periodically utilized City of Wichita issued Industrial Revenue Bonds ("IRBs") to finance self-constructed and purchased real property at its Wichita site. Tax benefits associated with IRBs include provisions for a ten-year complete property tax abatement and a Kansas Department of Revenue sales tax exemption on all IRB funded purchases. Spirit purchased these IRBs so they are bondholders and debtor / lessee for the property purchased with the IRB proceeds.

 Spirit recorded the property net of a finance lease obligation to repay the IRB proceeds on its balance sheet. Gross assets and liabilities associated with these IRBs were $ 284.7 and $ 333.7 as of December 31, 2024 and December 31, 2023, respectively.

 24. Other Expense, net

 Other expense, net is summarized as follows:

 Kansas Development Finance Authority bond
 $
 3.8
 $
 2.9
 $
 2.4

 Pension (loss) income (1)

 15.3
 ( 52.0)
 ( 30.2)

 Interest income
 9.5
 12.9
 6.2

 Gain (loss) on foreign currency forward contract and interest rate swaps

 3.6
 0.5
 ( 17.1)

 Loss on sale of accounts receivable
 ( 48.0)
 ( 52.4)
 ( 23.4)

 Foreign currency gains (losses) (2)

 9.6
 ( 13.9)
 21.6

 Excise tax on pension assets reversion (3)

 ( 0.3)
 ( 37.7)
 ( 6.8)

 Gain on settlement of financial instrument (4)

 —
 —
 20.7

 Other (5)

 4.5
 12.5

 Total Other Expense, net

 $
 $
 ( 140.4)
 $
 ( 14.1)

 (1)Pension expense for the twelve months ended December 31, 2023 includes $ 59.6 of settlement loss. Pension expense for the twelve months ended December 31, 2022 includes a $73.5 non-cash, pre-tax non-operating charge for amortization of prior service costs and $33.3 of settlement loss. See also Note 18 Pension and Other Post-Retirement Benefits.
 (2)Foreign currency losses are due to the impact of movement in foreign currency exchange rates on an intercompany revolver and long-term contractual rights/obligations, as well as trade and intercompany receivables/payables that are denominated in a currency other than the entity's functional currency.
 (3)Excise tax related to the reversion of excess plan assets for the twelve months ended December 31, 2024, 2023, and 2022. See Note 18 Pension and Other Post-Retirement Benefits.

 (4)The twelve-month period ended December 31, 2022 includes a $ 20.7 gain related to a deed of release and related cash payment that fully settled the existing repayable investment agreement between the Company and the U.K.'s Department for Business, Energy and Industrial Strategy ("BEIS"). In January 2022, the Company made repayments of $25.6 to the UK's Department for Business Energy and Industrial Strategy for units sold, including interest, in respect to the agreement. In April 2022, the deed of release settled the remaining outstanding repayment obligation, including current year interest accrual and foreign currency measurement impacts, in exchange for a payment of $292.8. The portion of the payments related to interest expense and the portion of the payments related to principal repayment are included in net cash used in operating activities and net cash used in financing activities, respectively, on the Company's Consolidated Statement of Cash Flows for the period ended December 31, 2022.
 (5)During the first quarter of 2017, the Company entered into a financing transaction with Chase Community Equity, LLC ("Chase") related to the purchase and installation of certain equipment at the Company's facility in Wichita, Kansas. Chase made a capital contribution and the Company made a loan to Chase NMTC Spirit Investment Fund, LLC ("Investment Fund") under a qualified New Markets Tax Credit program. The twelve-month period ended December 31, 2024 includes a $5.7 gain related to the Company's repurchase of Chase's interest in the Investment Fund. Chase's interest in the Investment Fund was included in Other current liabilities on the Company's Consolidated Balance Sheet as of December 31, 2023. The twelve-month period ended December 31, 2022 includes a gain of $10.0 related to the termination of a previously existing joint venture agreement within the period.

 25. Customer Financing

 As described in the Form 8-K filed by us on November 12, 2024, on November 8, 2024, we entered into an advance payments agreement with Boeing to provide up to $350.0 of cash advances for the sole purpose of producing and maintaining readiness to produce products as defined in existing contracts at the rates required by Boeing. These advances were intended to address Spirit's higher levels of inventory and contract assets, lower operational cash flows, decrease in expected deliveries to Boeing and higher factory costs to maintain rate readiness, attributed to product quality verification process enhancements (including moving such process from Renton, Washington, to Wichita, Kansas), the lingering effects of the recent strike by Boeing employees and limitations on Boeing increasing production rates. As of December 31, 2024, we had borrowed $200.0 under this advance agreement.

 The advance agreement requires Spirit to repay the advances to Boeing in accordance with the following payment schedule: 25% of the then-outstanding advances on each of April 30, 2026, June 30, 2026, and September 30, 2026, and the remaining balance of outstanding advances on December 31, 2026. The advances will bear an advance fee in an amount equal to 6.0% of the outstanding amount of the advances which will be paid on the fifteenth day of each calendar quarter, by capitalizing such fee and adding it to the outstanding amount of Advances thereunder.

 Included on the Company's Consolidated Balance Sheet for the twelve months ended December 31, 2024 is a liability related to the customer financing of $180.0 from Boeing received in the twelve months ended December 31, 2023. Per the terms of the January 2025 amended agreement, equal payments of $45.0 are due in October, November and December of 2026 with the final $45.0 payment due in December 2027. Prior to the amendment, $90.0 was payable in December 2025 such that it was included in Customer financing, short-term on the Company's Consolidated Balance Sheet as of December 31, 2024. See Note 32, Subsequent Events.

 On April 18, 2024, the Company entered into the MOA with Boeing to provide $425.0 of cash advances, which was received in the second quarter of 2024. On June 20, 2024, the MOA was amended such that Boeing agreed to provide an additional $40.0 of cash advances, also received in the second quarter of 2024. The MOA was amended again on January 22, 2025 to reschedule the repayment dates to be a total of $75.0 on April 1, 2026, $75.0 on May 1, 2026, $75.0 on June 1, 2026, $75.0 on July 1, 2026, $75.0 on August 1, 2026 and $50.0 on September 1, 2026. As of the date of this filing, the Company has repaid $ 40.0 of the MOA advances. See Note 32, Subsequent Events.

 During the three months ended March 28, 2024, the Company received an advanced payment from Airbus of $17.0 under a term sheet agreement between Airbus Canada Limited Partnership ("Airbus Canada") and Shorts Brothers PLC (the Company's facilities located in Belfast, Northern Ireland), for short term funding for increased freight costs incurred in the period from January to March 2024. See also the disclosure under the heading "Airbus Term Sheet" in Note 2 Basis of Presentation.

 On June 28, 2024, the Company entered into a Memorandum of Agreement between Airbus S.A.S. and Spirit Europe, Shorts Brothers PLC and Spirit NC (the "2024 Airbus MOA"), to receive $50.0 in advances related to certain program related expenditures. During the three months ended September 26, 2024, the Company received $27.4 of the advances. The remaining $22.6 was received on October 2, 2024. The 2024 Airbus MOA was amended on October 6, 2024 to include an additional $12.0 for specified expenditures. The additional $12.0 was received on October 8, 2024. It was amended again on November 8, 2024 to increase the funding capacity by $57.0. On December 18, 2024, Spirit received $20.0 of the additional capacity. Per the terms

 of the amended memorandum of agreement, these amounts will be assumed by Airbus upon close of the Airbus Transactions, or if earlier, repaid to Airbus on April 1, 2026.

 Given these terms, $ 532.0 of the advances are included in the Customer financing, short-term line item and $ 372.0 of the advances are included in the Customer financing, long-term line item on the Company's Consolidated Balance Sheets as of December 31, 2024. The amounts at year-end represent the timing of the repayment dates prior to the January 2025 amendments to the Boeing agreements which represent $515.0 of advances which become long-term under the amended payment dates.

 26. Significant Concentrations of Risk

 Economic Dependence

 The Company's largest customer, Boeing, accounted for approximately 58 %, 64 %, and 60 % of the revenues for the twelve months ended December 31, 2024, 2023, and 2022, respectively. Approximately 30 % and 23 % of the Company's accounts receivable balance at December 31, 2024, and 2023, respectively, was attributable to Boeing.

 The Company's second largest customer, Airbus, accounted for approximately 21 %, 19 %, and 22 % of the revenues for the twelve months ended December 31, 2024, 2023, and 2022, respectively. Approximately 28 % and 33 % of the Company's accounts receivable balance at December 31, 2024, and 2023, respectively, was attributable to Airbus.

 Employees

 At December 31, 2024, the Company had approximately 20,370 employees: approximately 14,190 located in its six U.S. facilities, approximately 3,550 located in its Belfast facilities, approximately 1,240 located at its Prestwick facility, approximately 1,000 located in its Malaysia facility, approximately 240 located in its Morocco facility, and approximately 150 located in its France facility. Of the employees located in the Company's six U.S. facilities, approximately 11,980 were located in Wichita, Kansas; approximately 1,090 were located in Tulsa Oklahoma; approximately 660 were located in Kinston, North Carolina; approximately 320 were located in Biddeford, Maine; approximately 100 were located in Dallas, Texas; and approximately 40 were located in Woonsocket, Rhode Island.

 Approximately 84% of the Company's U.S. employees are represented by unions. Approximately 59% of U.S. employees are represented by the International Association of Machinists and Aerospace Workers (IAM) collective bargaining agreement. There are two IAM collective bargaining agreements that will expire in June 2027 and November 2027, respectively. Approximately 18% of the Company's U.S. employees are represented by the Society of Professional Engineering Employees in Aerospace (SPEEA) collective bargaining agreement. There are two SPEEA agreements that will expire in January 2026 and December 2028, respectively. Approximately 6% of the Company's U.S. employees are represented by the International Union, Automobile, Aerospace and Agricultural Implement Workers of America (UAW) collective bargaining agreement that will expire in December 2025. Approximately 1% of the Company's U.S. employees are represented by an International Brotherhood of Electrical Workers (IBEW) collective bargaining agreement that will expire in September 2027.

 Approximately 93% of the Company's Prestwick employees are part of the collective bargaining group represented by one union, Unite (Amicus Section). In 2013, the Company negotiated two separate ten-year pay agreements with the Manual Staff bargaining and the Monthly Staff bargaining groups of the Unite union. These agreements cover basic pay and variable at risk pay, while other employee terms and conditions generally remain the same from year to year until both parties agree to change them. In the first quarter of 2021, the Company negotiated and agreed with Unite, a three-year extension to the pay agreements which are effective from January 2023 to December 2025. The elements of the contract extension remain the same as those in the ten-year agreements.

 In the U.K. (Belfast), approximately 86% of the employees are part of the collective group represented by the Trade Unions. Unite the Union is the largest representing approximately 95% of unionized employees, with General, Municipal, Boilermakers making up the balance. The current agreement covers the period from January 2024 to December 2025.

 In France, the Company's employees are represented by CFTC ("Conf d ration Fran aise des Travailleurs Chr tiens" or "French Confederation of Christian Workers") and FO ("Force Ouvri re" or "Labor Force"). The Company negotiates yearly on compensation and once every four years on issues related to gender equality and work-life balance. The next election to determine union representation will occur in July 2027.

 In Morocco, approximately 62% of the Company's employees are represented by Union Marocain du Travail ("UMT"). The Company negotiated a three year agreement with UMT that expires in December 2025.

 None of the Company's Malaysia employees are currently represented by a union.

 27. Supplemental Balance Sheet Information

 Accrued expenses and other liabilities consist of the following:

 Accrued expenses

 Accrued wages and bonuses
 $
 51.5
 $
 63.3

 Accrued fringe benefits
 113.9
 118.0

 Accrued payroll taxes
 8.6
 10.0

 Accrued interest
 39.8
 34.1

 Workers' compensation

 10.6
 9.4

 Property and sales tax
 25.8
 26.0

 Warranty/extraordinary rework reserve — current
 0.6
 1.0

 Former executive officer liability (3)

 47.5
 47.5

 Other (1)

 155.0
 110.8

 Total
 $
 453.3
 $
 420.1

 Other liabilities

 Warranty/extraordinary rework reserve - non-current

 86.1
 81.7

 Other (2)

 51.1
 53.8

 Total
 $
 137.2
 $
 135.5

 (1)Balance as of December 31, 2024 includes $103.3 of general and production material accruals and $24.2 of B787 program liabilities. Balance as of December 31, 2023 includes $70.0 of general and production material accruals and $18.8 of B787 program liabilities.
 (2)Balance as of December 31, 2024 includes $ 8.2 of deferred grant in Morocco, $1.4 various tax credits, $12.1 of estimated workers compensation liability, $17.1 of provisions related to the suspension of activities in Russia, and $5.6 of deferred compensation. Balance as of December 31, 2023 includes $8.0 of deferred grant in Morocco, $1.3 various tax credits, $11.8 of estimated workers compensation liability, $17.3 of provisions related to the suspension of activities in Russia, and $9.2 of deferred compensation.
 (3)On October 19, 2021, the U.S. District Court for the District of Kansas ruled in favor of the Company's former Chief Executive Officer and awarded him $44.8 plus interest for benefits withheld in connection with a disputed violation of restrictive covenants in his retirement agreement. See Note 23, Commitments, Contingencies, Guarantees.

 28. Segment and Geographical Information

 The Company operates in three principal segments: Commercial, Defense & Space and Aftermarket. Approximately 80 % of the Company's net revenues for the twelve months ended December 31, 2024 came from the Company's two largest customers, Boeing and Airbus. Boeing represents a substantial portion of the Company's revenues across segments. Airbus also represents a substantial portion of revenues in the Commercial segment. The Company's primary profitability measure to review a segment's operating performance is segment operating income before corporate selling, general and administrative expenses, research and development and unallocated cost of sales.

 Corporate selling, general and administrative expenses include centralized functions such as accounting, treasury and human resources that are not specifically related to the Company's operating segments and are not allocated in measuring the operating segments' profitability and performance and net profit margins. Research and development includes research and development efforts that benefit the Company as a whole and are not unique to a specific segment. All of these items are not specifically related to the Company's operating segments and are not utilized in measuring the operating segments' profitability and performance.

 The Company's Commercial segment includes design and manufacturing of forward, mid and rear fuselage sections and systems, struts/pylons, nacelles (including thrust reversers) and related engine structural components, wings and wing components (including flight control surfaces), as well as other miscellaneous structural parts for large commercial aircraft and/or business/regional jets. Sales from this segment are primarily to the aircraft OEMs or engine OEMs of large commercial aircraft and/or business/regional jet programs. Approximately 66%, 70%, and 65% of Commercial segment net revenues came from the Company's contracts with Boeing for the twelve months ended December 31, 2024, 2023, and 2022, respectively. Approximately 27%, 23%, and 27% of Commercial segment net revenues came from the Company's contracts with Airbus for the twelve months ended December 31, 2024, 2023, and 2022, respectively. The Commercial segment manufactures products at the Company's facilities in Wichita, Kansas; Tulsa, Oklahoma; Kinston, North Carolina; Prestwick, Scotland; Casablanca, Morocco; Belfast, Northern Ireland; and Subang, Malaysia. The Commercial segment also includes an assembly plant for the A350 XWB aircraft in Saint-Nazaire, France.

 The Company's Defense & Space segment includes design and manufacturing of fuselage, strut, nacelle, and wing aerostructures (primarily) for U.S. Government defense programs, including Boeing P-8, C40, and KC-46 Tanker, which are commercial aircraft that are modified for military use. The segment also includes fabrication, bonding, assembly, testing tooling, processing, engineering analysis, and training on fixed wing aircraft aerostructures, missiles and hypersonics work, including solid rocket motor throats and nozzles and re-entry vehicle thermal protections systems, and forward cockpit and cabin, and fuselage work on rotorcraft aerostructures. Sales from this segment are primarily to the prime contractors on various U.S. Government defense program contracts for which the Company is a sub-contractor. A significant portion of the Defense & Space segment revenues are represented by defense business that is classified by the U.S. Government and cannot be specifically described. Approximately 22%, 34%, and 34% of Defense & Space segment net revenues came from the Company's contracts with an individual customer for the twelve months ended December 31, 2024, 2023, and 2022, respectively. In addition, a customer accounted for approximately 28%, 26%, and 30% of Defense & Space segment net revenues for the twelve months ended December 31, 2024, 2023, and 2022, respectively. The Defense & Space segment manufactures products at the Company's facilities in Wichita, KS; Tulsa, OK; Biddeford, ME; Woonsocket, RI; Belfast, Northern Ireland; and Prestwick, Scotland.

 On November 17, 2024, the Company entered into a definitive agreement to sell our Fiber Materials, Inc. ("FMI") business, a fully owned subsidiary of Spirit AeroSystems, Inc., for $ 165.0, subject to customary purchase price adjustments and closing conditions as set forth in the definitive agreement. FMI is located at the facilities in Biddeford, ME ad Woonsocket, RI and was included in the Defense & Space segment as of December 31, 2024. The transaction closed on January 13, 2025. For additional information, see Note 30, Acquisitions and Dispositions.

 The Company's Aftermarket segment includes design, manufacturing, and marketing of spare parts and maintenance, repair, and overhaul ("MRO") services, repairs for flight control surfaces and nacelles, radome repairs, rotable assets, engineering services, and advanced composite repair. Approximately 54%, 47%, and 48% of Aftermarket segment net revenues came from the Company's contracts with a single customer for the twelve months ended December 31, 2024, 2023, and 2022, respectively. The Aftermarket segment manufactures products at the Company's facilities in Wichita, KS; Tulsa, OK; Dallas, TX; Prestwick, Scotland; Casablanca, Morocco; and Belfast, Northern Ireland.

 The Company's segments are consistent with the organization and responsibilities of management reporting to the chief executive officer, the chief operating decision-maker for the purpose of assessing performance. The chief operating decision maker uses both gross profit and segment operating income for each segment primarily in the evaluation of periodic performance and for the forecasting process. He considers forecast-to-actual variances on a quarterly basis for both measures when making decisions about the allocation of operating resources to each segment. The Company's definition of segment operating income differs from Operating income as presented in its primary financial statements and a reconciliation of the segment and consolidated results is provided in the table set forth below.

 While some working capital accounts are maintained on a segment basis, much of the Company's assets are not managed or maintained on a segment basis. Property, plant and equipment, including tooling, is used in the design and production of products for each of the segments and, therefore, is not allocated to any individual segment. In addition, cash, prepaid expenses, other assets, and deferred taxes are managed and maintained on a consolidated basis and generally do not pertain to any particular segment. Raw materials and certain component parts are used in aerostructure production across all segments. Work-in-process inventory is identifiable by segment, but is managed and evaluated at the program level. As there is no segmentation of the Company's productive assets, depreciation expense (included in fixed manufacturing costs and selling, general and administrative expenses) and capital expenditures, no allocation of these amounts has been made solely for purposes of segment disclosure requirements.

 The following tables show segment revenues, segment gross profit and segment operating income for the twelve months ended December 31, 2024, 2023 and 2022:

 Twelve Months Ended December 31, 2024

 $
 4,927.4
 $
 975.2
 $
 414.0
 $
 —
 $

 ( 6,263.3)
 ( 870.5)
 ( 358.7)
 —
 ( 7,492.5)

 ( 186.5)
 ( 10.0)
 —
 —
 ( 196.5)

 Segment gross (loss) profit
 $
 ( 1,522.4)
 $
 94.7
 $
 55.3
 $
 —
 $
 ( 1,372.4)

 —
 —
 —

 Segment operating (loss) income (1)

 $
 ( 1,523.1)
 $
 94.7
 $
 55.3
 $
 —
 $
 ( 1,373.1)

 —
 —
 —
 ( 365.5)
 ( 365.5)

 —
 —
 —
 ( 47.5)
 ( 47.5)

 Operating (loss) income
 $
 ( 1,523.1)
 $
 94.7
 $
 55.3
 $
 ( 413.0)
 $
 ( 1,786.1)

 —
 —
 —
 ( 353.5)
 ( 353.5)

 —
 —
 —

 (Loss) income before income taxes and equity in net income of affiliates
 $
 ( 1,523.1)
 $
 94.7
 $
 55.3
 $
 ( 768.5)
 $
 ( 2,141.6)

 Twelve Months Ended December 31, 2023

 $
 4,885.0
 $
 789.0
 $
 373.9
 $
 —
 $

 ( 4,627.3)
 ( 736.4)
 ( 293.9)
 —
 ( 5,657.6)

 ( 177.3)
 ( 6.8)
 —
 —
 ( 184.1)

 Segment gross profit
 $
 80.4
 $
 45.8
 $
 80.0
 $
 —
 $
 206.2

 ( 6.3)
 —
 —
 ( 7.2)

 Other operating (expense) income (2)

 ( 8.1)
 2.4
 —
 ( 5.9)

 Segment operating income (1)

 $
 66.0
 $
 44.7
 $
 82.4
 $
 —
 $
 193.1

 —
 —
 —
 ( 281.9)
 ( 281.9)

 —
 —
 —
 ( 45.4)
 ( 45.4)

 Operating income (loss)
 $
 66.0
 $
 44.7
 $
 82.4
 $
 ( 327.3)
 $
 ( 134.2)

 —
 —
 —
 ( 318.7)
 ( 318.7)

 —
 —
 —
 ( 140.4)
 ( 140.4)

 Income (loss) before income taxes and equity in net loss of affiliates
 $
 66.0
 $
 44.7
 $
 82.4
 $
 ( 786.4)
 $
 ( 593.3)

 Twelve Months Ended December 31, 2022

 $
 4,068.4
 $
 649.8
 $
 311.4
 $
 —
 $

 ( 3,993.0)
 ( 571.5)
 ( 250.4)
 —
 ( 4,814.9)

 ( 149.5)
 —
 —
 ( 157.3)

 Other segment items (3)

 ( 8.6)
 2.3
 ( 2.5)
 —
 ( 8.8)

 Segment gross (loss) profit
 $
 ( 82.7)
 $
 72.8
 $
 58.5
 $
 —
 $
 48.6

 —
 —
 —

 Segment operating (loss) income (1)

 $
 ( 82.9)
 $
 72.8
 $
 58.5
 $
 —
 $
 48.4

 —
 —
 —
 ( 279.2)
 ( 279.2)

 —
 —
 —
 ( 50.4)
 ( 50.4)

 Operating (loss) income
 $
 ( 82.9)
 $
 72.8
 $
 58.5
 $
 ( 329.6)
 $
 ( 281.2)

 —
 —
 —
 ( 244.1)
 ( 244.1)

 —
 —
 —
 ( 14.1)
 ( 14.1)

 (Loss) income before income taxes and equity in net loss of affiliates
 $
 ( 82.9)
 $
 72.8
 $
 58.5
 $
 ( 587.8)
 $
 ( 539.4)

 (1)Inclusive of forward losses, changes in estimates on loss programs and cumulative catch-up adjustments. These changes in estimates for the periods ended December 31, 2024, 2023, and 2022 are further detailed in Note 6, Changes in Estimates.
 (2)The twelve months ended December 31, 2023 includes charges of $ 8.1 and $ 0.2 related to the temporary production pause for the Commercial and Defense & Space Segments, respectively, and ($ 2.4) of benefit related to related to the settlement of a contingent consideration obligation related to a prior year acquisition for the Aftermarket Segment.
 (3) The twelve months ended December 31, 2022 includes charges of $ 9.6 for workforce adjustments as a result of the COVID-19 production pause for the Commercial Segment, net of U.S. employee retention credit and U.K. government subsidies, $ 24.7 and $ 4.4 in relation to the suspension of activities in Russia for the Commercial and Aftermarket Segments, respectively, and net offsets of ($ 25.7), ($ 2.3), and ($ 1.9) for the Commercial, Defense & Space, and Aftermarket Segments, respectively, related to the AMJPP and other costs.

 Most of the Company's revenue is obtained from sales inside the U.S. However, the Company does generate international sales, primarily from sales to Airbus. The following chart illustrates the split between domestic and foreign revenues:

 Year Ended December 31, 2024
 Year Ended December 31, 2023
 Year Ended December 31, 2022

 Revenue Source(1)

Total
Total
Total

 United States
 $
 4,811.0
 %
 $
 4,667.1
 %
 $
 3,814.5
 %

 International

 United Kingdom
 649.7
 %
 582.5
 %
 632.8
 %

 Other
 855.9
 %
 798.3
 %
 582.3
 %

 Total International
 1,505.6
 %
 1,380.8
 %
 1,215.1
 %

 Total Revenues
 $
 %
 $
 %
 $
 %

 (1)Net Revenues are attributable to countries based on destination where goods are delivered.

 As of December 31, 2024, most of the Company's property, plant and equipment are located within the U.S. Approximately 18 % of the Company's property, plant and equipment based on book value are located in the U.K., with approximately another 5 % of the Company's total property, plant and equipment located in countries outside the U.S. and the U.K. The following chart illustrates the split between domestic and foreign assets:

 Year Ended December 31, 2024
 Year Ended December 31, 2023
 Year Ended December 31, 2022

 Asset Location
 Total
PPE
PPE
 Total
PPE
Total
PPE
 Total
PPE
Total
PPE

 United States
 $
 1,497.7
 %
 $
 1,605.0
 %
 $
 1,708.2
 %

 International

 United Kingdom
 356.6
 %
 384.0
 %
 404.1
 %

 Other
 93.6
 %
 95.2
 %
 93.6
 %

 Total International
 450.2
 %
 479.2
 %
 497.7
 %

 Total Property, Plant & Equipment
 $
 1,947.9
 %
 $
 2,084.2
 %
 $
 2,205.9
 %

.

 29. Restructuring Costs

 The Company's results of operations for twelve months ended December 31, 2024 include restructuring costs related to a reduction in hourly production workforce due to high inventory levels.

 The Company's results of operations for twelve months ended December 31, 2023 include restructuring costs related to the Voluntary Separation Program ("VSP") that was offered to reduce structural costs by reducing indirect headcount. Participants in the VSP received a lump sum severance payment based on their years of Company service.

 The Company's results of operations for twelve months ended December 31, 2022 include restructuring costs related to actions the Company has taken to align costs to updated production levels that have been directed by the Company's customers. Largely beginning in the first quarter of 2020, the Company's customers, including Boeing and Airbus, significantly reduced their overall production rates as a result of the COVID-19 pandemic and, in the case of Boeing, the B737 MAX grounding. The restructuring activity materially affected the scope of operations and manner in which business is conducted by the Company compared to periods prior to the restructuring activity.

 Restructuring costs are presented separately as a component of operating loss on the Consolidated Statements of Operations. Total restructuring costs were $ 0.7, $ 7.2, and $ 0.2 for the twelve months ended December 31, 2024, 2023, and 2022, respectively.

 The costs of the restructuring plan are included in segment operating margins. The total amount of $ 0.7 for the twelve months ended December 31, 2024 is included in the segment operating margins for the Commercial segment. The total amount for the twelve months ended December 31, 2023 for each segment was $ 6.3 for the Commercial segment and $ 0.9 for the Defense & Space segment. The total amount of $ 0.2 for the twelve months ended December 31, 2022 is included in the segment operating margins for the Commercial segment.

 30. Acquisitions and Dispositions

 Acquisitions

 T.E.A.M., Inc.

 On November 23, 2022, Spirit AeroSystems Textiles, LLC ("Spirit Textiles"), a fully owned subsidiary of Spirit AeroSystems, Inc. closed its purchase of substantially all of the assets and all of the liabilities of T.E.A.M., Inc., a Rhode Island corporation, which is engaged in the business of manufacturing and engineering textiles, composites, and textile and composite products, for cash consideration of $ 31.3. The acquisition was accounted for as a business combination in accordance with ASC Topic 805, Business Combinations. The purchase price has been allocated among assets acquired and liabilities assumed at fair value based on information currently available, with the excess purchase price recorded as goodwill, which is fully allocated to the Defense & Space segment. As of December 31, 2022, the Company had preliminarily concluded, but not finalized, its

 assessment and purchase price allocation of the acquisition. The final fair value determination is subject to a contractual post-closing working capital true-up, which the Company concluded in the first quarter of 2023. The final purchase price allocation resulted in $ 0.6 adjustments to the assets acquired and the liabilities assumed that were recorded as of the acquisition date, which were included in the Consolidated Balance Sheet as of December 31, 2022. The adjusted assets acquired and the liabilities assumed included $ 8.3 of property, plant and equipment, $ 1.7 of working capital, $ 13.5 of intangible assets and $ 7.7 allocated to goodwill, which is expected to be deductible for tax purposes. Operating income is immaterial and reported within the Defense & Space segment.

 There were no acquisition-related expenses for the twelve months ended December 31, 2024 and December 31, 2023, respectively.

 Dispositions

 Fiber Materials, Inc.

 On November 17, 2024, the Company entered into a definitive agreement to sell our Fiber Materials, Inc. ("FMI") business, a fully owned subsidiary of Spirit AeroSystems, Inc. which operated in the Company's Defense & Space segment, for $ 165.0, subject to customary purchase price adjustments and closing conditions as set forth in the definitive agreement. The transaction closed on January 13, 2025.

 The carrying amounts of the assets and liabilities of FMI classified as held for sale in our Consolidated Balance Sheets as of December 31, 2024 were as follows:

 Accounts receivable, net

 $
 9.8

 Contract assets, short-term

 24.6

 Inventory, net

 7.3

 Other current assets

 1.3

 Property, plant and equipment, net

 22.6

 Right of use assets

 2.4

 Goodwill

 1.1

 Intangible assets, net

 31.5

 Total assets held for sale

 $
 100.6

 Liabilities

 Accounts payable

 $
 1.2

 Accrued expenses

 3.5

 Profit sharing

 2.2

 Operating lease liabilities, short-term

 0.2

 Contract liabilities, short-term

 6.4

 Operating lease liabilities, long-term

 2.3

 Deferred income taxes

 3.0

 Total liabilities held for sale

 $
 18.8

 31. Supplier Financing

 The Company has provided certain suppliers with access to a supply chain financing program through facilities with third-party financing institutions. The Company's suppliers' ability to access the program is primarily dependent upon the strength of the Company's financial condition and certain qualifying criteria. The program allows these suppliers to monetize their

 receivables prior to the contractual payment date, subject to a payment of a discount. The capacity of the program is limited to $ 122.0 at any point in time. If a supplier's request exceeds the program limit, then it will be honored when capacity is available. Under the supply chain financing program, the Company agrees to pay the third-party financing institution the stated amount of confirmed invoices from its designated suppliers on the original maturity dates of the invoices, and suppliers have the ability to be paid from the third-party financing institution on an accelerated basis. The Company's suppliers' election to sell one or more of the Company's confirmed obligations under the supply chain financing program is optional. The Company's responsibility is limited to making payment on the terms originally negotiated with its suppliers for up to 120 days, regardless of whether the suppliers elect to sell their receivables to the third-party financing institution. Within the current population of qualified suppliers, there are no payment discounts offered or taken at any point by the financing institution or by the Company. The Company or the third-party financing institution may terminate the agreement upon at least 45 days' notice.

 The balance of confirmed obligations outstanding to suppliers who elect to participate in the supply chain financing program is included in the Company's Accounts payable balance on the Company's Consolidated Balance Sheets. The changes in each period primarily reflect purchases from suppliers related to production levels during the respective periods and are summarized as follows:

 Confirmed obligations outstanding, beginning of period
 $
 155.6
 $
 102.0

 Invoices confirmed during the year
 468.1
 496.2

 Invoices paid during the year
 ( 546.9)
 ( 442.6)

 Confirmed obligations outstanding, end of period
 $
 76.8
 $
 155.6

 32. Subsequent Events

 On November 17, 2024, Spirit and FMI entered into a Stock Purchase Agreement with Tex-Tech Industries, Inc., a Delaware corporation ("Tex-Tech"), providing for, among other things, the acquisition by Tex-Tech from Spirit of all of the outstanding equity interests in FMI for an aggregate purchase price of $ 165.0 in cash, subject to specified adjustments as set forth in the Stock Purchase Agreement. The underlying net assets of FMI were classified as held for sale as of December 31, 2024. The sale was completed on January 13, 2025. Spirit expects to record a gain on sale during our first quarter of fiscal year 2025.

 On January 22, 2025, Spirit and Boeing entered into Amendment 2 to Memorandum of Agreement (the "April 2024 MOA Amendment") amending the parties' April 18, 2024 Memorandum of Agreement, as previously amended (the "April 2024 MOA"), by, among other things (1) replacing Article 5 "Repayment" of the April 2024 MOA and providing for the Company to repay to Boeing the $425.0 of outstanding advances under the April 2024 MOA, as amended (the "Amended April 2024 MOA"), as follows: $75.0 on April 1, 2026; $75.0 on May 1, 2026; $75.0 on June 1, 2026; $75.0 on July 1, 2026; $75.0 on August 1, 2026; and $50.0 on September 1, 2026 (each of which dates would be a Repayment Date as defined in the Amended April 2024 MOA); and (2) providing that, in the event that the Merger Agreement is terminated in accordance with the terms of the Merger Agreement, the then outstanding advances under the Amended April 2024 MOA will become due and payable in full on April 1, 2026.

 On January 22, 2025, Spirit and Boeing entered into Amendment 2 to the 737 Production Rate Advance Memorandum of Agreement dated April 28, 2023 (the "April 2023 MOA Amendment"). The April 2023 MOA Amendment amended the parties' Memorandum of Agreement dated April 28, 2023, as previously amended (the "April 2023 MOA"), by, among other things (1) replacing Section 4 "Advance" of the April 2023 MOA and providing for Spirit to repay to Boeing the $180.0 of outstanding advances under the April 2023 MOA, as amended (the "Amended April 2023 MOA"), as follows: $45.0 on October 1, 2026, $45.0 on November 1, 2026, $45.0 on December 1, 2026 and $45.0 on December 1, 2027 (each of which dates would be a Repayment Date as defined in the Amended April 2023 MOA); and (2) providing that, in the event that the Merger Agreement is terminated in accordance with its terms, the then outstanding advances under the Amended April 2023 MOA will become due and payable in full on April 1, 2026.

 On February 14, 2025, Holdings, Spirit and Spirit NC entered into (i) the Bridge Credit Agreement Amendment with MSSF, as lender and as administrative agent, with respect to the Bridge Credit Agreement (as in effect prior to such date, the "Prior Bridge Credit Agreement"), with MSSF, as lender, as administrative agent and as collateral agent, and (ii) the Third Amendment to Term Loan Credit Agreement (the "TLB Credit Agreement Amendment" and, together with the Bridge Credit Agreement Amendment, the "Amendments") with BofA, as administrative agent, and the lenders party thereto with respect to the Credit Agreement (as amended and in effect prior such date, the "Prior TLB Credit Agreement," and each of the Prior TLB Credit Agreement and the Prior Bridge Credit Agreement a "Prior Credit Agreement"), among Spirit, BofA, as administrative agent and as collateral agent, and the lenders from time to time party thereto.

 Pursuant to the applicable Amendment, each Prior Credit Agreement was amended to remove the requirement that the audit opinion with respect to the Company's annual financial statements for the fiscal year ending December 31, 2024 not be subject to a "going concern" qualification.

 On January 31, 2025, at a special meeting of Holdings stockholders, a proposal to adopt the Merger Agreement was approved by the requisite vote of Holdings stockholders.

 Item 9. Changes in and Disagreements with Accountants on Accounting and Financial Disclosure
 None.

 Item 9A. Controls and Procedures
 Evaluation of Disclosure Controls and Procedures
 Our management with the participation of our President and Chief Executive Officer (principal executive officer) and Executive Vice President and Chief Financial Officer (principal financial officer) has evaluated the effectiveness of our disclosure controls and procedures as of December 31, 2024 and has concluded that these disclosure controls and procedures (as defined in Rules 13a-15(e) and 15d-15(e) of the Securities Exchange Act of 1934, as amended, or the "Exchange Act") were effective to provide reasonable assurance that information required to be disclosed by us in the reports that we file or submit under the Exchange Act, is recorded, processed, summarized, and reported within the time period specified by the SEC's rules and forms. These disclosure controls and procedures include, without limitation, controls and procedures designed to provide reasonable assurance that information required to be disclosed by us in the reports we file or submit under the Exchange Act is accumulated and communicated to management of the Company, including our principal executive and principal financial officers, or persons performing similar functions, as appropriate to allow timely decisions regarding required disclosure.

 Management's Report on Internal Control Over Financial Reporting
 Our management is responsible for establishing and maintaining adequate internal control over financial reporting (as such term is defined in Rules 13a-15(f) and 15d-15(f) of the Exchange Act). Internal control over financial reporting is a process designed by, or under the supervision of, our principal executive and principal financial officers and effected by the Company's Board, management and other personnel to provide reasonable assurance of the reliability of our financial statements for external purposes in accordance with GAAP and includes those policies and procedures that:
 (1)Pertain to the maintenance of records that in reasonable detail accurately and fairly reflect the transactions and dispositions of the Company's assets;
 (2)Provide reasonable assurance that transactions are recorded as necessary to permit preparation of financial statements in accordance with GAAP, and that the Company's receipts and expenditures are being made only in accordance with authorizations of the Company's management and directors; and
 (3)Provide reasonable assurance regarding prevention or timely detection of unauthorized acquisition, use, or disposition of the Company's assets that could have a material effect on the financial statements.
 Because of its inherent limitations, internal control over financial reporting may not prevent or detect misstatement. Also, projections of any evaluation of effectiveness to future periods are subject to risk that controls may become inadequate because of changes in condition, or that the degree of compliance with the policies or procedures may deteriorate.
 Management conducted an assessment of the effectiveness of our internal control over financial reporting based on the criteria set forth in Internal Control - Integrated Framework issued by the Committee of Sponsoring Organizations of the Treadway Commission (2013 framework). Based on this assessment, our management concluded that our internal control over financial reporting was effective as of December 31, 2024. The effectiveness of the Company's internal control over financial reporting as of December 31, 2024 has been audited by the Company's independent registered public accounting firm, Ernst & Young LLP, as stated in their report appearing herein.

 Change in Internal Control Over Financial Reporting

 There were no changes in our internal control over financial reporting that occurred during the fourth quarter of 2024 that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.

 Report of Independent Registered Public Accounting Firm

 To the Shareholders and the Board of Directors of Spirit AeroSystems Holdings, Inc.

 Opinion on Internal Control Over Financial Reporting

 We have audited Spirit AeroSystems Holdings, Inc.'s internal control over financial reporting as of December 31, 2024, based on criteria established in Internal Control—Integrated Framework issued by the Committee of Sponsoring Organizations of the Treadway Commission (2013 framework) (the COSO criteria). In our opinion, Spirit AeroSystems Holdings, Inc. (the Company) maintained, in all material respects, effective internal control over financial reporting as of December 31, 2024, based on the COSO criteria.

 We also have audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States) (PCAOB), the consolidated balance sheets of Spirit AeroSystems Holding, Inc. as of December 31, 2024, and 2023, the related consolidated statements of operations, comprehensive income (loss), changes in stockholders' equity (deficit) and cash flows for each of the three years in the period ended December 31, 2024, and the related notes and our report dated February 28, 2025 expressed an unqualified opinion thereon.

 Basis for Opinion

 The Company's management is responsible for maintaining effective internal control over financial reporting and for its assessment of the effectiveness of internal control over financial reporting included in the accompanying Management's Report on Internal Control over Financial Reporting. Our responsibility is to express an opinion on the Company's internal control over financial reporting based on our audit. We are a public accounting firm registered with the PCAOB and are required to be independent with respect to the Company in accordance with the U.S. federal securities laws and the applicable rules and regulations of the Securities and Exchange Commission and the PCAOB.

 We conducted our audit in accordance with the standards of the PCAOB. Those standards require that we plan and perform the audit to obtain reasonable assurance about whether effective internal control over financial reporting was maintained in all material respects.

 Our audit included obtaining an understanding of internal control over financial reporting, assessing the risk that a material weakness exists, testing and evaluating the design and operating effectiveness of internal control based on the assessed risk, and performing such other procedures as we considered necessary in the circumstances. We believe that our audit provides a reasonable basis for our opinion.

 Definition and Limitations of Internal Control Over Financial Reporting

 A company's internal control over financial reporting is a process designed to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles. A company's internal control over financial reporting includes those policies and procedures that (1) pertain to the maintenance of records that, in reasonable detail, accurately and fairly reflect the transactions and dispositions of the assets of the company; (2) provide reasonable assurance that transactions are recorded as necessary to permit preparation of financial statements in accordance with generally accepted accounting principles, and that receipts and expenditures of the company are being made only in accordance with authorizations of management and directors of the company; and (3) provide reasonable assurance regarding prevention or timely detection of unauthorized acquisition, use, or disposition of the company's assets that could have a material effect on the financial statements.

 Because of its inherent limitations, internal control over financial reporting may not prevent or detect misstatements. Also, projections of any evaluation of effectiveness to future periods are subject to the risk that controls may become inadequate because of changes in conditions, or that the degree of compliance with the policies or procedures may deteriorate.

 /s/ Ernst & Young LLP

 Wichita, Kansas

 Item 9B. Other Information
 Certain of our officers or directors have made elections to participate in, and are participating in, our dividend reinvestment plan, employee stock purchase plan and 401(k) plan and have made, and may from time to time make, elections to have shares withheld to cover withholding taxes, which may be designed to satisfy the affirmative defense conditions of Rule 10b5-1 under the Exchange Act or may constitute non-Rule 10b5-1 trading arrangements (as defined in Item 408(c) of Regulation S-K.

 During the quarter ended December 31, 2024, none of our directors or officers (as defined in Rule 16a-1(f) under the Exchange Act) adopted, terminated, or modified a Rule 10b5-1 trading arrangement or non-Rule 10b5-1 trading arrangement (as such terms are defined in Item 408 of Regulation S-K).

 Item 9C. Disclosure Regarding Foreign Jurisdictions that Prevent Inspections
 Not applicable.

 Item 10. Directors, Executive Officers and Corporate Governance
 Information concerning the executive officers of the Company is included in Part I of this Annual Report on Form 10-K and is incorporated by reference herein. The information otherwise required by Items 401, 405, 406, and 407(c)(3), (d)(4) and (d)(5), and 408(b) of Regulation S-K will be provided in the Company's proxy statement for its 2025 annual meeting of stockholders, which will be filed with the SEC no later than 120 days after the end of the fiscal year (the "2025 Proxy Statement") and is incorporated by reference herein.
 The Company has adopted a Code of Conduct (the "Code") and a Finance Code of Professional Conduct that applies to the Company's Principal Executive Officer, Principal Financial Officer, Principal Accounting Officer, and persons performing similar functions. Copies of the Code and Finance Code of Professional Conduct are available on the Company's website at  and any waiver from the Code or Finance Code of Professional Conduct will be timely disclosed on the Company's website or a Current Report on Form 8-K, as will any amendments to the Code or Finance Code of Professional Conduct.

 Item 11. Executive and Director Compensation

 The information required by Item 402 and Item 407(e)(4) and (e)(5) of Regulation S-K will be provided in the 2025 Proxy Statement and is incorporated by reference herein.

 Pursuant to the rules and regulations of the SEC under the Exchange Act, the information under Item 407(e)(5) incorporated by reference from the 2025 Proxy Statement shall not be deemed to be "soliciting material," or to be "filed" with the SEC, or subject to Regulation 14A or 14C or the liabilities of Section 18 of the Exchange Act, nor shall it be deemed incorporated by reference into any filing under the Securities Act of 1933.

 Item 12. Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters

 Information concerning the securities authorized for issuance under equity compensation plans included in Part II, Item 5 of this Annual Report is incorporated by reference herein.

 Item 13. Certain Relationships and Related Transactions, and Director Independence

 The information required by Items 404 and 407(a) of Regulation S-K will be provided in the 2025 Proxy Statement and is incorporated by reference herein.

 Item 14. Principal Accounting Fees and Services

 The information required by Item 9(e) of Schedule 14A will be provided in the 2025 Proxy Statement and is incorporated by reference herein.

 Item 15. Exhibits and Financial Statement Schedules

 2.1
 Asset Purchase Agreement, dated as of February 22, 2005, between Spirit AeroSystems, Inc. (f/k/a Mid-Western Aircraft Systems, Inc.) and The Boeing Company
 Registration Statement on Form S-1 (File No. 333-135486), filed June 30, 2006, Exhibit 2.1

 2.2
 First Amendment to Asset Purchase Agreement, dated June 15, 2005, between Spirit AeroSystems, Inc. (f/k/a Mid-Western Aircraft Systems, Inc.) and The Boeing Company
 Registration Statement on Form S-1 (File No. 333-135486), filed June 30, 2006, Exhibit 2.2

 2.3
 Agreement and Plan of Merger, dated June 30, 2024, among Spirit AeroSystems Holdings, Inc., The Boeing Company, and Sphere Acquisition Corp.

 Current Report on Form 8-K (File No. 001-33160), filed July 1, 2024, Exhibit 2.1

 2.4

 Term sheet, dated June 30, 2024, between Spirit AeroSystems, Inc. and Airbus SE

 Current Report on Form 8-K (File No. 001-33160), filed July 1, 2024, Exhibit 2.2

 2.5
 Stock Purchase Agreement, dated as of November 17, 2024, by and among Tex-Tech Industries, Inc., Spirit AeroSystems, Inc., and Fiber Materials, Inc.

 Current Report on Form 8-K (File No. 001-33160), filed November 18, 2024, Exhibit 2.1

 3.1
 Third Amended and Restated Certificate of Incorporation of Spirit AeroSystems Holdings, Inc.
 Current Report on Form 8-K (File No. 001-33160), filed May 1, 2017, Exhibit 3.1

 3.2
 Tenth Amended and Restated Bylaws of Spirit AeroSystems Holdings, Inc.

 Current Report on Form 8-K (File No. 001-33160), filed January 27, 2023, Exhibit 3. 1

 4.1
 Form of Class A Common Stock Certificate
 Amendment No. 5 to Registration Statement on Form S-1/A (File No. 333-135486), filed November 17, 2006, Exhibit 4.1

 4.2
 Description of Spirit AeroSystems Holdings, Inc. Securities Registered under Section 12 of the Exchange Act

 Annual Report on Form 10-K (File No. 001-33160), filed February 22, 2024, Exhibit 4.2

 4.3
 Indenture dated as of June 1, 2016, governing the 3.850% Senior Notes due 2026, by and among Spirit, the guarantors identified therein and The Bank of New York Mellon Trust Company, N.A.
 Current Report on Form 8-K (File No. 001-33160), filed June 7, 2016, Exhibit 4.1

 4.4
 Form of 3.850% Senior Note due 2026
 Current Report on Form 8-K (File No. 001-33160), filed June 7, 2016, Exhibit 4.2

 4.5
 Supplemental Indenture, dated December 5, 2016, governing the 3.850% Senior Notes due 2026

 Annual Report on Form 10-K (File No. 001-33160), filed February 10, 2017, Exhibit 4.9

 4.6
 Second Supplemental Indenture, dated as of February 24, 2020, among Spirit AeroSystems, Inc., Spirit AeroSystems Holdings, Inc., Spirit AeroSystems North Carolina, Inc., and The Bank of New York Mellon Trust Company, N.A., as Trustee

 Current Report on Form 8-K (File No. 001-33160), filed February 25, 2020, Exhibit 4.1

 4.7
 Third Supplemental Indenture, dated as of April 17, 2020, among Spirit AeroSystems, Inc., Spirit AeroSystems Holdings, Inc., Spirit AeroSystems North Carolina, Inc., and The Bank of New York Mellon Trust Company, N.A., as Trustee

 Current Report on Form 8-K (File No. 001-33160), filed April 17, 2020, Exhibit 4.3

 4.8
 Fourth Supplemental Indenture, dated as of October 5, 2020, among Spirit AeroSystems, Inc., Spirit AeroSystems Holdings, Inc., Spirit AeroSystems North Carolina, Inc., and The Bank of New York Mellon Trust Company, N.A., as Trustee

 Current Report on Form 8-K (File No. 001-33160), filed October 5, 2020, Exhibit 4.3

 4.9
 Indenture, dated as of May 30, 2018, among Spirit AeroSystems, Inc., Spirit AeroSystems Holdings, Inc. and the Bank of New York Mellon Trust Company

 Current Report on Form 8-K (File No. 001-33160), filed May 30, 2018, Exhibit 4.1

 4.10
 Form of 4.600% Senior Note due 2028
 Current Report on Form 8-K (File No. 001-33160), filed May 30, 2018, Exhibit 4.4

 4.11
 Indenture, dated as of October 5, 2020, among Spirit AeroSystems, Inc., Spirit AeroSystems Holdings, Inc., Spirit AeroSystems North Carolina, Inc. and The Bank of New York Mellon Trust Company, N.A., as trustee and collateral agent

 Current Report on Form 8-K (File No. 001-33160), filed October 5, 2020, Exhibit 4.1

 4.12
 Form of 5.500% Senior Secured First Lien Notes due 2025
 Current Report on Form 8-K (File No. 001-33160), filed October 5, 2020, Exhibit 4.2 (included as Exhibit A to Exhibit 4.1 thereto)

 4.13
 Fifth Supplemental Indenture, dated as of November 23, 2022, among Spirit AeroSystems, Inc., Spirit AeroSystems Holdings, Inc., Spirit AeroSystems North Carolina, Inc. and The Bank of New York Mellon Trust Company, N.A., as trustee

 Current Report on Form 8-K (File No. 001-33160), filed November 23, 2022, Exhibit 4.3

 4.14
 First Supplemental Indenture, dated as of November 23, 2022, among Spirit AeroSystems, Inc., Spirit AeroSystems Holdings, Inc., Spirit AeroSystems North Carolina, Inc. and The Bank of New York Mellon Trust Company, N.A., as trustee and collateral agent

 Current Report on Form 8-K (File No. 001-33160), filed November 23, 2022, Exhibit 4.4

 4.15
 Indenture, dated as of November 23, 2022, among Spirit AeroSystems, Inc., Spirit AeroSystems Holdings, Inc., Spirit AeroSystems North Carolina, Inc. and The Bank of New York Mellon Trust Company, N.A., as trustee and collateral agent

 Current Report on Form 8-K (File No. 001-33160), filed November 23, 2022, Exhibit 4.1

 4.16
 Form of 9.375% Senior Secured First Lien Notes due 2029

 Current Report on Form 8-K (File No. 001-33160), filed November 23, 2022, Exhibit 4.1 (included as Exhibit A to Exhibit 4.1)

 4.17
 Indenture, dated as of November 13, 2023, among Spirit AeroSystems, Inc., Spirit AeroSystems Holdings, Inc., Spirit AeroSystems North Carolina, Inc. and The Bank of New York Mellon Trust Company, N.A., as trustee

 Current Report on Form 8-K (File No. 001-33160), filed November 13, 2023, Exhibit 4.1

 4.18
 Form of 3.250% Exchangeable Senior Notes due 2028

 Current Report on Form 8-K (File No. 001-33160), filed November 13, 2023, Exhibit 4.2 (included as Exhibit A to Exhibit 4.1 thereto)

 4.19
 Indenture, dated as of November 21, 2023, among Spirit AeroSystems, Inc., Spirit AeroSystems Holdings, Inc., Spirit AeroSystems North Carolina, Inc. and The Bank of New York Mellon Trust Company, N.A., as trustee and collateral agent

 Current Report on Form 8-K (File No. 001-33160), filed November 21, 2023, Exhibit 4.1

 4.20
 Form of 9.750% Senior Secured Second Lien Notes due 2030

 Current Report on Form 8-K (File No. 001-33160), filed November 21, 2023, Exhibit 4.2 (included as Exhibit A to Exhibit 4.1 thereto)

 4.21
 Sixth Supplemental Indenture, dated as of November 21, 2023, among Spirit AeroSystems, Inc., Spirit AeroSystems Holdings, Inc., Spirit AeroSystems North Carolina, Inc. and The Bank of New York Mellon Trust, N.A., as trustee

 Current Report on Form 8-K (File No. 001-33160), filed November 21, 2023, Exhibit 4.3

 4.22
 Seventh Supplemental Indenture, dated as of June 30, 2024, among Spirit AeroSystems Holdings, Inc., Spirit AeroSystems, Inc., Spirit AeroSystems North Carolina, Inc., and The Bank of New York Mellon Trust

 Current Report on Form 8-K (File No. 001-33160), filed July 1, 2024, Exhibit 4.1

 10.1
 Form of Indemnification Agreement
 Amendment No. 1 to Registration Statement on Form S-1/A (File No. 333-135486), filed August 29, 2006, Exhibit 10.14

 10.2
 Form of Spirit AeroSystems Holdings, Inc. Director Indemnification Agreement

 Quarterly Report on Form 10-Q (File No. 001-33160), filed August 5, 2024, Exhibit 10.10

 10.3

 Spirit AeroSystems Holdings, Inc. Amended and Restated Deferred Compensation Plan, As Amended
 Quarterly Report on Form 10-Q (File No. 001-33160), filed May 6, 2011, Exhibit 10.34

 10.4

 Spirit AeroSystems Holdings, Inc. Second Amended and Restated Director Stock Plan
 Registration Statement on Form S-8 (File No. 333-150402), filed April 23, 2008, Exhibit 10.1

 10.5

 Spirit AeroSystems Holdings, Inc. 2014 Omnibus Incentive Plan

 Registration Statement on Form S-8 (File No. 333-195790), filed May 8, 2014, Exhibit 10.1.

 10.6

 First Amendment to the Spirit AeroSystems Holdings, Inc. 2014 Omnibus Incentive Plan, dated January 25, 2017
 Quarterly Report on Form 10-Q (File No. 001-33160), filed May 5, 2017, Exhibit 10.1

 10.7

 Second Amendment to the Spirit AeroSystems Holdings, Inc. 2014 Omnibus Incentive Plan, dated October 23, 2019
 Annual Report on Form 10-K (File No. 001-33160), filed February 28, 2020, Exhibit 10.5

 10.8

 Employment Agreement between Spirit AeroSystems, Inc. and Samantha Marnick, effective as of February 22, 2006 and annual Executive Compensation Letter, dated May 3, 2013

 Quarterly Report on Form 10-Q (File No. 001-33160), filed May 2, 2014, Exhibit 10.1

 10.9

 Employment Agreement between Spirit AeroSystems, Inc. and Duane Hawkins, effective as of June 17, 2013
 Annual Report on Form 10-K (File No. 001-33160), filed February 13, 2015, Exhibit 10.44

 10.10

 Amendment to Employment Agreement between Spirit AeroSystems, Inc. and Duane Hawkins, effective as of June 17, 2013
 Annual Report on Form 10-K (File No. 001-33160), filed February 13, 2015, Exhibit 10.45

 10.11

 Employment Agreement, dated September 12, 2013, between Spirit AeroSystems, Inc. and Kevin Matthies

 Quarterly Report on Form 10-Q (File No. 001-33160), filed August 3, 2022, Exhibit 10.1

 10.12

 Retirement Agreement and General Release between Spirit AeroSystems, Inc. and Duane Hawkins, dated January 16, 2023

 Current Report on Form 8-K (File No. 001-33160), filed January 16, 2023, Exhibit 10.1

 10.13

 Employment Agreement, dated as of February 13, 2016, between Spirit AeroSystems, Inc. and Thomas C. Gentile III
 Current Report on Form 8-K (File No. 001-33160), filed February 16, 2016, Exhibit 10.1

 10.14

 Employment Agreement between Spirit AeroSystems, Inc. and Bill Brown, effective as of May 5, 2014
 Annual Report on Form 10-K (File No. 001-33160), filed February 9, 2018, Exhibit 10.17

 10.15

 Separation Agreement and General Release, dated July 20, 2024, by and among Spirit AeroSystems, Inc., Spirit AeroSystems Holdings, Inc., and Alan Young

 Quarterly Report on Form 10-Q (File No. 001-33160), filed August 5, 2024, Exhibit 10.7

 10.16

 Service Agreement between Spirit AeroSystems, Inc. and Scott McLarty, effective as of December 16, 2011

 Annual Report on Form 10-K (File No. 001-33160), filed February 22, 2024, Exhibit 10.15

 10.17

 Employment Agreement, dated January 29, 2020, between Spirit AeroSystems, Inc. and Mark Suchinski

 Current Report on Form 8-K (File No. 001-33160), filed January 30, 2020, Exhibit 10.1

 10.18

 Employment Agreement, dated June 5, 2024, by and between Spirit AeroSystems, Inc. and Irene M. Esteves

 Current Report on Form 8-K (File No. 001-33160), filed June 5, 2024, Exhibit 10.1

 10.19

 Long-Term Incentive Program under the Spirit AeroSystems Holdings, Inc. 2014 Omnibus Incentive Plan, as amended and restated effective January 25, 2017
 Quarterly Report on Form 10-Q (File No. 001-33160), filed May 5, 2017, Exhibit 10.3

 10.20

 Long-Term Incentive Program under the Spirit AeroSystems Holdings, Inc. 2014 Omnibus Plan, as amended and restated effective January 23, 2019
 Quarterly Report on Form 10-Q (File No. 001-33160), filed May 1, 2019, Exhibit 10.1

 10.21

 Short-Term Incentive Program under the Spirit AeroSystems Holdings, Inc. 2014 Omnibus Incentive Plan, as amended and restated effective January 25, 2017
 Quarterly Report on Form 10-Q (File No. 001-33160), filed May 5, 2017, Exhibit 10.4

 10.22

 Director Stock Program under the Spirit AeroSystems Holdings, Inc. 2014 Omnibus Incentive Plan, effective April 28, 2021
 Quarterly Report on Form 10-Q (File No. 001-33160), filed May 5, 2021, Exhibit 10.1

 10.23

 Non-Employee Director Compensation Overview Effective with 2021-2022 Term
 Quarterly Report on Form 10-Q (File No. 001-33160), filed August 4, 2021, Exhibit 10.1

 10.24

 Spirit AeroSystems Holdings, Inc. Supplemental Executive Retirement Plan, as amended and restated effective January 25, 2017
 Annual Report on Form 10-K (File No. 001-33160), filed February 10, 2017, Exhibit 10.5

 10.25

 Amended and Restated Employee Stock Purchase Plan, effective October 26, 2021
 Annual Report on Form 10-K (File No. 001-33160), filed February 15, 2022, Exhibit 10.22

 10.26

 Form of Time-Based Restricted Stock Award Agreement
 Annual Report on Form 10-K (File No. 001-33160), filed February 28, 2020, Exhibit 10.20

 10.27

 Form of Time-Based Restricted Stock Unit Award Agreement (U.S. Participants)
 Quarterly Report on Form 10-Q (File No. 001-33160), filed May 5, 2021, Exhibit 10.2

 10.28

 Form of Performance-Based Restricted Stock Award Agreement
 Annual Report on Form 10-K (File No. 001-33160), filed February 28, 2020, Exhibit 10.21

 10.29

 Form of Performance-Based Restricted Stock Unit Award Agreement (U.S. Participants)
 Quarterly Report on Form 10-Q (File No. 001-33160), filed May 5, 2021, Exhibit 10.3

 10.30

 Form of Non-Employee Director Award Agreement
 Quarterly Report on Form 10-Q (File No. 001-33160), filed May 5, 2021, Exhibit 10.4

 10.31

 Form of Time-Based Restricted Stock Unit Award Agreement (Non-U.S. Participants)
 Quarterly Report on Form 10-Q (File No. 001-33160), filed May 5, 2021, Exhibit 10.5

 10.32

 Form of Performance-Based Restricted Stock Unit Award Agreement (Non-U.S. Participants)
 Quarterly Report on Form 10-Q (File No. 001-33160), filed May 5, 2021, Exhibit 10.6

 10.33

 Memorandum of Agreement, dated as of October 12, 2023, by and between Spirit AeroSystems, Inc. and The Boeing Company

 Current Report on Form 8-K (File No. 001-33160), filed October 18, 2023, Exhibit 10.1

 10.34

 Separation Agreement and General Release, dated September 30, 2023, by and between Thomas C. Gentile III and Spirit AeroSystems, Inc.

 Current Report on Form 8-K (File No. 001-33160), filed October 2, 2023, Exhibit 10.1

 10.35

 Employment Agreement, dated September 30, 2023, by and between Patrick M. Shanahan and Spirit AeroSystems, Inc.

 Current Report on Form 8-K (File No. 001-33160), filed October 2, 2023, Exhibit 10.2

 10.36

 Perquisite Allowance Plan
 Annual Report on Form 10-K (File No. 001-33160), filed February 22, 2024, Exhibit 10.34

 10.37

 Spirit AeroSystems Holdings, Inc. Senior Management Severance Plan and Form of Separation and Release

 Quarterly Report on Form 10-Q (File No. 001-33160), filed August 5, 2024, Exhibit 10.8

 10.38

 Form of Employee Retention Cash Bonus Agreement

 Quarterly Report on Form 10-Q (File No. 001-33160), filed August 5, 2024, Exhibit 10.9

 10.39

 Second Amended and Restated Credit Agreement, dated as of July 12, 2018, among Spirit AeroSystems Inc., as borrower, Spirit AeroSystems Holdings, Inc., as parent guarantor, the lenders party thereto, Bank of America, N.A., as administrative agent, and the other agents named therein
 Current Report on Form 8-K (File No. 001-33160), filed July 13, 2018, Exhibit 10.1

 10.40

 First Amendment to the Second Amended and Restated Credit Agreement, dated as of February 24, 2020, among Spirit AeroSystems, Inc., as borrower, Spirit AeroSystems Holdings, Inc., as parent guarantor, the lenders party thereto, Bank of America, N.A., as administrative agent and collateral agent

 Current Report on Form 8-K (File No. 001-33160), filed February 25, 2020, Exhibit 10.1

 10.41

 Delayed Draw Term Loan Credit Agreement, dated as of February 24, 2020, among Spirit AeroSystems, Inc., as borrower, Spirit AeroSystems Holdings, Inc., as parent guarantor, Spirit AeroSystems North Carolina, Inc., as subsidiary guarantor, and the lenders party thereto, Bank of America, N.A., as administrative agent

 Current Report on Form 8-K (File No. 001-33160), filed February 25, 2020, Exhibit 10.2

 10.42

 Second Amendment, dated as of March 30, 2020, to the Second Amended and Restated Credit Agreement among Spirit AeroSystems, Inc., as borrower, Spirit AeroSystems Holdings, Inc., as parent guarantor, the lenders party thereto, and Bank of America, N.A., as administrative agent and collateral agent

 Quarterly Report on Form 10-Q (File No. 001-33160), filed May 6, 2020, Exhibit 10.8

 10.43

 Third Amendment, dated as of April 10, 2020, to the Second Amended and Restated Credit Agreement among Spirit AeroSystems, Inc., as borrower, Spirit AeroSystems Holdings, Inc., as parent guarantor, the lenders party thereto, and Bank of America, N.A., as administrative agent and collateral agent

 Quarterly Report on Form 10-Q (File No. 001-33160), filed May 6, 2020, Exhibit 10.9

 10.44

 Fourth Amendment, dated as of April 13, 2020, to the Second Amended and Restated Credit Agreement among Spirit AeroSystems, Inc., as borrower, Spirit AeroSystems Holdings, Inc., as parent guarantor, the lenders party thereto, and Bank of America, N.A., as administrative agent and collateral agent

 Current Report on Form 8-K (File No. 001-33160), filed April 17, 2020, Exhibit 10.1

 10.45

 Fifth Amendment, dated as of April 20, 2020, to the Second Amended and Restated Credit Agreement among Spirit AeroSystems, Inc., as borrower, Spirit AeroSystems Holdings, Inc., as parent guarantor, the lenders party thereto, and Bank of America, N.A., as administrative agent and collateral agent

 Quarterly Report on Form 10-Q (File No. 001-33160), filed May 6, 2020, Exhibit 10.12

 10.46

 Sixth Amendment, dated as of July 31, 2020, to the Second Amended and Restated Credit Agreement among Spirit AeroSystems, Inc., as borrower, Spirit AeroSystems Holdings, Inc., as parent guarantor, Spirit AeroSystems North Carolina, Inc., as a guarantor, the lenders party thereto, and Bank of America, N.A., as administrative agent and collateral agent

 Current Report on Form 8-K (File No. 001-33160), filed August 3, 2020, Exhibit 10.1

 10.47

 Term Loan Credit Agreement, dated as of October 5, 2020, by and among Spirit AeroSystems, Inc., the lenders from time to time party thereto, and Bank of America, N.A., as administrative agent and collateral agent

 Current Report on Form 8-K (File No. 001-33160), filed October 5, 2020, Exhibit 10.1

 10.48

 First Refinancing, Incremental Assumption and Amendment Agreement, dated as of November 15, 2021, among Spirit AeroSystems, Inc., as borrower, Spirit AeroSystems Holdings, Inc. and Spirit AeroSystems North Carolina, Inc., each as a guarantor, the lenders party thereto, and Bank of America, N.A., as administrative agent

 Current Report on Form 8-K (File No. 001-33160), filed November 15, 2021, Exhibit 10.1

 10.49

 Second Refinancing Amendment to Term Loan Credit Agreement, dated as of November 23, 2022, among Spirit AeroSystems, Inc., the guarantors party thereto, the lenders party thereto and Bank of America, N.A., as administrative agent

 Current Report on Form 8-K (File No. 001-33160), filed November 23, 2022, Exhibit 10.1

 10.50

 Third Amendment, dated February 14, 2025, to Term Loan Credit Agreement, dated October 5, 2020, among Spirit AeroSystems Holdings, Inc., Spirit AeroSystems, Inc., Spirit AeroSystems North Carolina, Inc., the lenders party thereto, and Bank of America, N.A., as administrative agent

 Current Report on Form 8-K (File No. 001-33160), filed February 14, 2025, Exhibit 10.2

 10.51

 General Terms Agreement (Sustaining and others), dated as of June 16, 2005, between The Boeing Company and Spirit AeroSystems, Inc. (f/k/a Mid-Western Aircraft Systems, Inc.)
 Registration Statement on Form S-1 (File No. 333-135486), filed June 30, 2006, Exhibit 10.24

 10.52

 Hardware Material Services General Terms Agreement, dated as of June 16, 2005, between The Boeing Company and Spirit AeroSystems, Inc. (f/k/a Mid-Western Aircraft Systems, Inc.)
 Registration Statement on Form S-1 (File No. 333-135486), filed June 30, 2006, Exhibit 10.25

 10.53

 Ancillary Know-How Supplemental License Agreement, dated as of June 16, 2005, between The Boeing Company and Spirit AeroSystems, Inc. (f/k/a Mid-Western Aircraft Systems, Inc.)
 Registration Statement on Form S-1 (File No. 333-135486), filed June 30, 2006, Exhibit 10.26

 10.54

 Sublease Agreement, dated as of June 16, 2005, among The Boeing Company, Boeing IRB Asset Trust and Spirit AeroSystems, Inc. (f/k/a Mid-Western Aircraft Systems, Inc.)
 Registration Statement on Form S-1 (File No. 333-135486), filed June 30, 2006, Exhibit 10.27

 10.55

 Special Business Provisions (Sustaining), as amended through February 6, 2013, between The Boeing Company and Spirit AeroSystems, Inc.
 Annual Report on Form 10-K (File No. 001-33160), filed February 19, 2014, Exhibit 10.17

 10.56

 Amendment 9 to Special Business Provisions, between The Boeing Company and Spirit AeroSystems Inc., dated as of September 4, 2014
 Quarterly Report on Form 10-Q (File No. 001-33160), filed October 31, 2014, Exhibit 10.1

 10.57

 Amendment 10 to Special Business Provisions, between The Boeing Company and Spirit AeroSystems Inc., dated as of September 26, 2014
 Quarterly Report on Form 10-Q (File No. 001-33160), filed October 31, 2014, Exhibit 10.2

 10.58

 Amendment 2, dated March 4, 2011, to General Terms Agreement BCA-65530-0016, dated June 17, 2005, between The Boeing Company and Spirit AeroSystems, Inc.

 Quarterly Report on Form 10-Q (File No. 001-33160), filed November 5, 2012, Exhibit 10.2

 10.59

 Amendment 3, dated January 30, 2014, to General Terms Agreement BCA-65530-0016, dated June 17, 2005, between The Boeing Company and Spirit AeroSystems, Inc.

 Annual Report on Form 10-K (File No. 001-33160), filed February 15, 2022, Exhibit 10.52

 10.60
 Amendment 4, dated January 18, 2021, to General Terms Agreement BCA-65530-0016, dated June 17, 2005, between The Boeing Company and Spirit AeroSystems, Inc.

 Quarterly Report on Form 10-Q (File No. 001-33160), filed May 5, 2021, Exhibit 10.11

 10.61

 Amendment 5, dated January 30, 2022, to General Terms Agreement BCA-65530-0016, dated June 17, 2005, between The Boeing Company and Spirit AeroSystems, Inc.

 Quarterly Report on Form 10-Q (File No. 001-33160), filed May 4, 2022, Exhibit 10.1

 10.62

 Amendment 6, dated July 10, 2023, to General Terms Agreement BCA-65530-0016, dated June 17, 2005, between The Boeing Company and Spirit AeroSystems, Inc.

 Quarterly Report on Form 10-Q (File No. 001-33160), filed November 1, 2023, Exhibit 10.2

 10.63
 Amendment 7, dated December 21, 2023, to General Terms Agreement BCA-65530-0016, dated June 17, 2005, between The Boeing Company and Spirit AeroSystems, Inc.

 Annual Report on Form 10-K (File No. 001-33160), filed February 22, 2024, Exhibit 10.58

 10.64

 Amendment 8, dated December 19, 2024, to General Terms Agreement BCA-65530-0016, dated June 17, 2005, between The Boeing Company and Spirit AeroSystems, Inc.

 *

 10.65

 Memorandum of Agreement, between The Boeing Company and Spirit AeroSystems, Inc., made as of March 9, 2012, amending Special Business Provisions (Sustaining)
 Quarterly Report on Form 10-Q (File No. 001-33160), filed November 5, 2012, Exhibit 10.4

 10.66

 Memorandum of Agreement (737 MAX Non-Recurring Agreement), between The Boeing Company and Spirit AeroSystems, Inc., made as of April 7, 2014, amending Spirit's long-term supply agreement with Boeing

 Quarterly Report on Form 10-Q (File No. 001-33160), filed August 1, 2014, Exhibit 10.2

 10.67

 Memorandum of Agreement (Pricing Agreement), between The Boeing Company and Spirit AeroSystems, Inc., made as of April 8, 2014, amending Spirit's long-term supply agreement with Boeing

 Quarterly Report on Form 10-Q (File No. 001-33160), filed August 1, 2014, Exhibit 10.3

 10.68

 Amendment 11 to Special Business Provisions, between The Boeing Company and Spirit AeroSystems, Inc., dated as of March 10, 2015
 Quarterly Report on Form 10-Q (File No. 001-33160), filed May 1, 2015, Exhibit 10.1

 10.69

 Amendment 12 to Special Business Provisions, between The Boeing Company and Spirit AeroSystems, Inc., dated as of April 9, 2015
 Quarterly Report on Form 10-Q (File No. 001-33160), filed July 31, 2015, Exhibit 10.1

 10.70

 Amendment 13 to Special Business Provisions, between The Boeing Company and Spirit AeroSystems, Inc., dated as of January 4, 2016
 Annual Report on Form 10-K (File No. 001-33160), filed February 12, 2016, Exhibit 10.57

 10.71

 Amendment 14 to Special Business Provisions, between The Boeing Company and Spirit AeroSystems, Inc., dated as of April 21, 2015
 Quarterly Report on Form 10-Q (File No. 001-33160), filed July 31, 2015, Exhibit 10.2

 10.72

 Amendment 17 to Special Business Provisions, between The Boeing Company and Spirit AeroSystems, Inc., dated as of December 23, 2015
 Annual Report on Form 10-K (File No. 001-33160), filed February 12, 2016, Exhibit 10.58

 10.73

 Amendment 20 to Special Business Provisions, between The Boeing Company and Spirit AeroSystems, Inc., dated as of November 1, 2015
 Annual Report on Form 10-K (File No. 001-33160), filed February 12, 2016, Exhibit 10.59

 10.74

 Amendment 21 to Special Business Provisions, between The Boeing Company and Spirit AeroSystems, Inc., dated as of May 9, 2016
 Quarterly Report on Form 10-Q (File No. 001-33160), filed August 5, 2016, Exhibit 10.4

 10.75

 Amendment 22 to Special Business Provisions, between The Boeing Company and Spirit AeroSystems, Inc., dated as of November 2, 2016
 Annual Report on Form 10-K (File No. 001-33160), filed February 10, 2017, Exhibit 10.53

 10.76

 Amendment 23 to Special Business Provisions, between The Boeing Company and Spirit AeroSystems, Inc., dated as of December 16, 2016
 Annual Report on Form 10-K (File No. 001-33160), filed February 10, 2017, Exhibit 10.54

 10.77

 Amendment 24 to Special Business Provisions, between The Boeing Company and Spirit AeroSystems, Inc., dated as of December 20, 2016
 Annual Report on Form 10-K (File No. 001-33160), filed February 10, 2017, Exhibit 10.55

 10.78

 Amendment 25 to Special Business Provisions MS-65530-0016, between the Boeing Company and Spirit AeroSystems, Inc., dated as of March 16, 2017
 Quarterly Report on Form 10-Q (File No. 001-33160), filed May 5, 2017, Exhibit 10.7

 10.79

 Amendment 26 to Special Business Provisions MS-65530-0016, between the Boeing Company and Spirit AeroSystems, Inc., dated as of March 23, 2017
 Quarterly Report on Form 10-Q (File No. 001-33160), filed May 5, 2017, Exhibit 10.8

 10.80

 Amendment 27 to Special Business Provisions MS-65530-0016, between the Boeing Company and Spirit AeroSystems, Inc., dated as of March 31, 2017
 Quarterly Report on Form 10-Q (File No. 001-33160), filed May 5, 2017, Exhibit 10.9

 10.81

 Amendment 28 to Special Business Provisions MS-65530-0016, between the Boeing Company and Spirit AeroSystems, Inc., dated as of June 22, 2017
 Quarterly Report on Form 10-Q (File No. 001-33160), filed August 4, 2017, Exhibit 10.1

 10.82

 Amendment 29 to Special Business Provisions MS-65530-0016, between the Boeing Company and Spirit AeroSystems, Inc., dated as of July 20, 2017
 Quarterly Report on Form 10-Q (File No. 001-33160), filed August 4, 2017, Exhibit 10.2

 10.83

 Amendment 30 to Special Business Provisions (SBP) MS-65530-0016, dated September 22, 2017, between The Boeing Company and Spirit AeroSystems, Inc.
 Quarterly Report on Form 10-Q (File No. 001-33160), filed November 3, 2017, Exhibit 10.2

 10.84

 Amendment 31 to Special Business Provisions MS-65530-0016, between the Boeing Company and Spirit AeroSystems, Inc., dated as of October 18, 2017
 Annual Report on Form 10-K (File No. 001-33160), filed February 9, 2018, Exhibit 10.59

 10.85

 Amendment 32 to Special Business Provisions MS-65530-0016, between the Boeing Company and Spirit AeroSystems, Inc., dated as of November 15, 2017
 Annual Report on Form 10-K (File No. 001-33160), filed February 9, 2018, Exhibit 10.60

 10.86

 Amendment 33 to Special Business Provisions MS-65530-0016, between the Boeing Company and Spirit AeroSystems, Inc., dated as of November 30, 2017
 Annual Report on Form 10-K (File No. 001-33160), filed February 9, 2018, Exhibit 10.61

 10.87

 Amendment 34 to Special Business Provisions MS-65530-0016, between the Boeing Company and Spirit AeroSystems, Inc., dated as of February 23, 2018
 Quarterly Report on Form 10-Q (File No. 001-33160), filed May 3, 2018, Exhibit 10.1

 10.88

 Amendment 35 to Special Business Provisions MS-65530-0016, between the Boeing Company and Spirit AeroSystems, Inc., dated as of April 18, 2018
 Quarterly Report on Form 10-Q (File No. 001-33160), filed August 1, 2018, Exhibit 10.4

 10.89

 Amendment 36 to Special Business Provisions MS-65530-0016, between the Boeing Company and Spirit AeroSystems, Inc., dated as of June 20, 2018
 Quarterly Report on Form 10-Q (File No. 001-33160), filed August 1, 2018, Exhibit 10.5

 10.90

 Amendment 37 to Special Business Provisions MS-65530-0016, between the Boeing Company and Spirit AeroSystems, Inc., dated as of August 17, 2018
 Quarterly Report on Form 10-Q (File No. 001-33160), filed October 31, 2018, Exhibit 10.1

 10.91

 Collective Resolution Memorandum of Understanding between the Boeing Company and Spirit AeroSystems, Inc., dated as of August 1, 2017
 Quarterly Report on Form 10-Q (File No. 001-33160), filed August 4, 2017, Exhibit 10.3

 10.92

 Amendment 38 to Special Business Provisions MS-65530-0016, between the Boeing Company and Spirit AeroSystems, Inc., dated as of November 1, 2018
 Annual Report on Form 10-K (File No. 001-33160), filed February 2, 2019, Exhibit 10.67

 10.93

 Amendment 39 to Special Business Provisions MS-65530-0016, between the Boeing Company and Spirit AeroSystems, Inc., dated as of November 2, 2018
 Annual Report on Form 10-K (File No. 001-33160), filed February 2, 2019, Exhibit 10.68

 10.94

 Collective Resolution 2.0 Memorandum of Agreement between the Boeing Company and Spirit AeroSystems, Inc., dated as of December 21, 2018
 Annual Report on Form 10-K (File No. 001-33160), filed February 2, 2019, Exhibit 10.69

 10.95

 Amendment 40 to Special Business Provisions MS-65530-0016, between the Boeing Company and Spirit AeroSystems, Inc., dated as of January 30, 2019
 Quarterly Report on Form 10-Q (File No. 001-33160), filed May 1, 2019, Exhibit 10.5

 10.96

 Amendment 41 to Special Business Provisions MS-65530-0016, between the Boeing Company and Spirit AeroSystems, Inc., dated as of March 29, 2019
 Quarterly Report on Form 10-Q (File No. 001-33160), filed May 1, 2019, Exhibit 10.6

 10.97

 Memorandum of Agreement between the Boeing Company and Spirit AeroSystems, Inc., 737 Production Rate Adjustments, dated as of April 12, 2019

 Quarterly Report on Form 10-Q (File No. 001-33160), filed July 31, 2019, Exhibit 10.1

 10.98

 Amendment 43 to Special Business Provisions MS-65530-0016, between the Boeing Company and Spirit AeroSystems, Inc., dated as of May 22, 2019

 Quarterly Report on Form 10-Q (File No. 001-33160), filed July 31, 2019, Exhibit 10.2

 10.99

 Amendment 44 to Special Business Provisions MS-65530-0016, between the Boeing Company and Spirit AeroSystems, Inc., dated as of July 19, 2019

 Quarterly Report on Form 10-Q (File No. 001-33160), filed October 31, 2019, Exhibit 10.1

 10.100

 Amendment 45 to Special Business Provisions MS-65530-0016, between the Boeing Company and Spirit AeroSystems, Inc., dated as of October 3, 2019

 Annual Report on Form 10-K (File No. 001-33160), filed February 28, 2020, Exhibit 10.69

 10.101

 Amendment 46 to Special Business Provisions MS-65530-0016, between the Boeing Company and Spirit AeroSystems, Inc., dated as of October 3, 2019

 Annual Report on Form 10-K (File No. 001-33160), filed February 28, 2020, Exhibit 10.70

 10.102

 Amendment 47 to Special Business Provisions MS-65530-0016, between the Boeing Company and Spirit AeroSystems, Inc., dated as of May 5, 2020

 Quarterly Report on Form 10-Q (File No. 001-33160), filed August 4, 2020, Exhibit 10.7

 10.103

 Amendment 48 to Special Business Provisions (SBP) MS-65530-0016 between The Boeing Company and Spirit AeroSystems, Inc.
 Quarterly Report on Form 10-Q (File No. 001-33160), filed May 5, 2021, Exhibit 10.8

 10.104

 Amendment 49 to Special Business Provisions (SBP) MS-65530-0016 between The Boeing Company and Spirit AeroSystems, Inc.

 Quarterly Report on Form 10-Q (File No. 001-33160), filed May 4, 2022, Exhibit 10.4

 10.105

 Amendment 50 to Special Business Provisions (SBP) MS-65530-0016 between The Boeing Company and Spirit AeroSystems, Inc.

 Quarterly Report on Form 10-Q (File No. 001-33160), filed November 3, 2022, Exhibit 10.2

 10.106

 Amendment 51 to Special Business Provisions (SBP) BCA-MS-65530-0016, dated January 4, 2023, by and between Spirit AeroSystems, Inc. and The Boeing Company

 Quarterly Report on Form 10-Q (File No. 001-33160), filed May 3, 2023, Exhibit 10.1

 10.107

 Amendment 52, dated December 21, 2023, to Special Business Provisions MS-65530-0016, dated June 16, 2005, between The Boeing Company and Spirit AeroSystems, Inc.

 Annual Report on Form 10-K (File No. 001-33160), filed February 22, 2024, Exhibit 10.101

 10.108

 Amendment 53 to Special Business Provisions (SBP) MS-65530-0016, dated March 1, 2024, by and between The Boeing Company and Spirit AeroSystems, Inc.

 Quarterly Report on Form 10-Q (File No. 001-33160), filed May 7, 2024, Exhibit 10.3

 10.109

 Amendment 54, dated as of July 1, 2024, to Special Business Provisions (SBP) MS-65530-0016 between The Boeing Company and Spirit AeroSystems, Inc.

 Quarterly Report on Form 10-Q (File No. 001-33160), filed November 5, 2024, Exhibit 10.5

 10.110

 Amendment 55, dated October 1, 2024, to Special Business Provisions (SBP) MS-65530-0016, dated June 16, 2005, between The Boeing Company and Spirit AeroSystems, Inc.

 *

 10.111

 Amendment 56, dated December 17, 2024, to Special Business Provisions (SBP) MS-65530-0016, dated June 16, 2005, between The Boeing Company and Spirit AeroSystems, Inc.

 *

 10.112

 Amendment 57, dated December 19, 2024, to Special Business Provisions (SBP) MS-65530-0016, dated June 16, 2005, between The Boeing Company and Spirit AeroSystems, Inc.

 *

 10.113

 Memorandum of Agreement, dated February 6, 2020, between The Boeing Company and Spirit AeroSystems, Inc.
 Quarterly Report on Form 10-Q (File No. 001-33160), filed May 6, 2020, Exhibit 10.13

 10.114

 737 Production Rate Adjustment and Other Settlements Memorandum of Agreement, dated May 5, 2020, between The Boeing Company and Spirit AeroSystems, Inc.
 Quarterly Report on Form 10-Q (File No. 001-33160), filed August 4, 2020, Exhibit 10.6

 10.115

 737 Production Rate Advance Memorandum of Agreement, dated April 28, 2023, between The Boeing Company and Spirit AeroSystems, Inc.

 *

 10.116

 Amendment 1, dated December 21, 2023, to 737 Production Rate Advance Memorandum of Agreement, dated April 28, 2023, between The Boeing Company and Spirit AeroSystems, Inc.

 *

 10.117

 Amendment 2, dated as of January 20, 2025, to 737 Production Rate Advance Memorandum of Agreement, dated April 28, 2023, between The Boeing Company and Spirit AeroSystems, Inc.

 *

 10.118

 737 Production Rate Advance Memorandum of Agreement MOA-65C00-9900, dated April 18, 2024, between The Boeing Company and Spirit AeroSystems, Inc.

 Quarterly Report on Form 10-Q (File No. 001-33160), filed May 7, 2024, Exhibit 10.2

 10.119

 Amendment 1, dated June 20, 2024, to 737 Production Rate Advance Memorandum of Agreement MOA-65C00-9900, dated April 18, 2024, between The Boeing Company and Spirit AeroSystems, Inc.

 Quarterly Report on Form 10-Q (File No. 001-33160), filed August 5, 2024, Exhibit 10.4

 10.120

 Amendment 2, dated as of January 20, 2025, to 737 Production Rate Advance Memorandum of Agreement MOA-65C00-9900, dated April 18, 2024, between The Boeing Company and Spirit AeroSystems, Inc.

 *

 10.121

 B787 General Terms Agreement BCA-65520-0032 between The Boeing Company and Spirit AeroSystems, Inc., conformed to incorporate the General Terms Agreement, dated June 16, 2005, Amendment 1 thereto, dated June 19, 2009, and Amendment 2 thereto, dated May 12, 2011

 Quarterly Report on Form 10-Q (File No. 001-33160), filed November 3, 2017, Exhibit 10.3

 10.122
 Amendment 3, dated January 19, 2021, to General Terms Agreement BCA-65520-0032, dated June 16, 2005, between The Boeing Company and Spirit AeroSystems, Inc.

 Quarterly Report on Form 10-Q (File No. 001-33160), filed May 5, 2021, Exhibit 10.10

 10.123
 Amendment 4, dated December 21, 2023, to General Terms Agreement BCA-65520-0032, dated June 16, 2005, between The Boeing Company and Spirit AeroSystems, Inc.

 Annual Report on Form 10-K (File No. 001-33160), filed February 22, 2024, Exhibit 10.106

 10.124

 Amendment 5, dated December 19, 2024, to General Terms Agreement BCA-65520-0032, dated June 16, 2005, between The Boeing Company and Spirit AeroSystems, Inc.

 *

 10.125

 B787 Special Business Provisions BCA-MS-65530-0019, dated August 20, 2012, between The Boeing Company and Spirit AeroSystems, Inc., conformed to incorporate the Special Business Provisions, dated June 16, 2005, and Amendments 1 through 19 thereto
 Quarterly Report on Form 10-Q (File No. 001-33160), filed November 3, 2017, Exhibit 10.4

 10.126

 Amendment 20 to B787 Special Business Provisions BCA-MS-65530-0019, dated June 5, 2013, between The Boeing Company and Spirit AeroSystems, Inc.
 Quarterly Report on Form 10-Q (File No. 001-33160), filed November 3, 2017, Exhibit 10.5

 10.127

 Amendment 21 to B787 Special Business Provisions BCA-MS-65530-0019, dated July 1, 2014, between The Boeing Company and Spirit AeroSystems, Inc.
 Quarterly Report on Form 10-Q (File No. 001-33160), filed November 3, 2017, Exhibit 10.6

 10.128
 Amendment 22 Revision 1 to B787 Special Business Provisions BCA-MS-65530-0019, dated December 4, 2014, between The Boeing Company and Spirit AeroSystems, Inc.
 Quarterly Report on Form 10-Q (File No. 001-33160), filed November 3, 2017, Exhibit 10.7

 10.129
 Amendment 23 to B787 Special Business Provisions BCA-MS-65530-0019, dated August 3, 2015, between The Boeing Company and Spirit AeroSystems, Inc.
 Quarterly Report on Form 10-Q (File No. 001-33160), filed November 3, 2017, Exhibit 10.8

 10.130
 Amendment 24 to B787 Special Business Provisions BCA-MS-65530-0019, dated December 16, 2015, between The Boeing Company and Spirit AeroSystems, Inc.
 Quarterly Report on Form 10-Q (File No. 001-33160), filed November 3, 2017, Exhibit 10.9

 10.131
 Amendment 25 to B787 Special Business Provisions (SBP) BCA-MS-65530-0019, dated September 22, 2017, between The Boeing Company and Spirit AeroSystems, Inc.
 Quarterly Report on Form 10-Q (File No. 001-33160), filed November 3, 2017, Exhibit 10.10

 10.132
 Amendment 26 to B787 Special Business Provisions (SBP) BCA-MS-65530-0019, dated December 14, 2017, between The Boeing Company and Spirit AeroSystems, Inc.
 Annual Report on Form 10-K (File No. 001-33160), filed February 9, 2018, Exhibit 10.71

 10.133
 Amendment 27 to B787 Special Business Provisions BCA-MS-65530-0019, between The Boeing Company and Spirit AeroSystems, Inc., dated as of August 17, 2018
 Quarterly Report on Form 10-Q (File No. 001-33160), filed October 31, 2018, Exhibit 10.2

 10.134
 Amendment 28 to B787 Special Business Provisions (SBP) BCA-MS-65530-0019, between The Boeing Company and Spirit AeroSystems, Inc., dated as of January 30, 2019
 Quarterly Report on Form 10-Q (File No. 001-33160), filed May 1, 2019, Exhibit 10.4

 10.135
 Amendment 29 to B787 Special Business Provisions (CBP) BCA-MS-65530-0019, between the Boeing Company and Spirit AeroSystems, Inc., dated as of May 14, 2019

 Quarterly Report on Form 10-Q (File No. 001-33160), filed July 31, 2019, Exhibit 10.3

 10.136
 Amendment 30 to B787 Special Business Provisions (CBP) BCA-MS-65530-0019, between the Boeing Company and Spirit AeroSystems, Inc., dated as of August 12, 2019

 Quarterly Report on Form 10-Q (File No. 001-33160), filed October 31, 2019, Exhibit 10.2

 10.137
 Amendment 31 to B787 Special Business Provisions (CBP) BCA-MS-65530-0019, between the Boeing Company and Spirit AeroSystems, Inc., dated as of October 3, 2019

 Annual Report on Form 10-K (File No. 001-33160), filed February 28, 2020, Exhibit 10.84

 10.138
 Amendment 32 to B787 Special Business Provisions BCA-MS-65530-0019, between the Boeing Company and Spirit AeroSystems, Inc., dated as of April 15, 2020

 Quarterly Report on Form 10-Q (File No. 001-33160), filed August 4, 2020, Exhibit 10.8

 10.139
 Amendment 33 to Special Business Provisions BCA-MS-65530-0019 between The Boeing Company and Spirit AeroSystems, Inc.

 Quarterly Report on Form 10-Q (File No. 001-33160), filed May 5, 2021, Exhibit 10.9

 10.140
 Amendment No. 34 to Special Business Provisions BCA-MS-65530-0019, dated June 30, 2021, by and between Spirit AeroSystems, Inc. and The Boeing Company

 Quarterly Report on Form 10-Q (File No. 001-33160), filed August 4, 2021, Exhibit 10.2

 10.141
 Amendment No. 35 to Special Business Provisions BCA-MS-65530-0019, dated June 30, 2021, by and between Spirit AeroSystems, Inc. and The Boeing Company

 Annual Report on Form 10-K (File No. 001-33160), filed February 15, 2022, Exhibit 10.113

 10.142
 Amendment 36 to Special Business Provisions BCA-MS-65530-0019, dated February 9, 2022, by and between Spirit AeroSystems, Inc. and The Boeing Company

 Quarterly Report on Form 10-Q (File No. 001-33160), filed May 4, 2022, Exhibit 10.3

 10.143
 Amendment 37, dated August 24, 2022, to Special Business Provisions BCA-MS-65530-0019, dated June 16, 2005, by and between Spirit AeroSystems, Inc. and The Boeing Company

 Quarterly Report on Form 10-Q (File No. 001-33160), filed November 3, 2022, Exhibit 10.1

 10.144
 Amendment 38, dated July 10, 2023, to Special Business Provisions BCA-MS-65530-0019, dated June 16, 2005, between The Boeing Company and Spirit AeroSystems, Inc.

 Quarterly Report on Form 10-Q (File No. 001-33160), filed November 1, 2023, Exhibit 10.1

 10.145

 Amendment 39, dated December 21, 2023, to Special Business Provisions BCA-MS-65530-0019, dated June 16, 2005, between The Boeing Company and Spirit AeroSystems, Inc.

 Annual Report on Form 10-K (File No. 001-33160), filed February 22, 2024, Exhibit 10.127

 10.146

 Amendment 40, dated December 19, 2024, to Special Business Provisions BCA-MS-65530-0019, dated June 16, 2005, between The Boeing Company and Spirit AeroSystems, Inc.

 *

 10.147
 737 Recalculated Pre-Payment Letter Agreement, dated February 5, 2021, by and between Spirit AeroSystems, Inc. and The Boeing Company
 Quarterly Report on Form 10-Q (File No. 001-33160), filed August 4, 2021, Exhibit 10.3

 10.148

 Agreement for the Sale and Purchase of (1) the Entire Issued Share Capital of Short Brothers plc and Bombardier Aerospace North Africa SAS and (2) Certain Other Assets, dated October 31, 2019, by and between Bombardier Inc., Bombardier Aerospace UK Limited, Bombardier Finance Inc., Bombardier Services Corporation, Spirit AeroSystems Global Holdings Limited, and Spirit AeroSystems, Inc.
 Annual Report on Form 10-K (File No. 001-33160), filed February 28, 2020, Exhibit 10.94

 10.149
 Deed of Amendment, dated as of October 16, 2020, by and among Spirit AeroSystems, Inc. and Spirit AeroSystems Global Holdings Limited, and Bombardier Inc., Bombardier Aerospace UK Limited, Bombardier Finance Inc. and Bombardier Services Corporation

 Current Report on Form 8-K (File No. 001-33160), filed October 30, 2020, Exhibit 10.2

 10.150
 Amendment, dated as of October 26, 2020, by and among Spirit AeroSystems, Inc., and Spirit AeroSystems Global Holdings Limited, and Bombardier Inc., Bombardier Aerospace UK Limited, Bombardier Finance Inc. and Bombardier Services Corporation

 Current Report on Form 8-K (File No. 001-33160), filed October 26, 2020, Exhibit 10.1)

 10.151

 Separation Agreement and General Release, dated as of January 26, 2023, by and among Spirit AeroSystems, Inc., Spirit AeroSystems Holdings, Inc. and Kevin Matthies

 Current Report on Form 8-K (File No. 001-33160), filed January 27, 2023, Exhibit 10.1)

 10.152
 Amended and Restated Employee Stock Purchase Plan, effective October 21, 2022

 Quarterly Report on Form 10-Q (File No. 001-33160), filed May 3, 2023, Exhibit 10.2

 10.153

 Amended and Restated 2014 Omnibus Incentive Plan

 Quarterly Report on Form 10-Q (File No. 001-33160), filed August 2, 2023, Exhibit 10.1

 10.154
 Separation Agreement and General Release, dated November 30, 2023, by and between Samantha J. Marnick and Spirit AeroSystems, Inc.

 Current Report on Form 8-K (File No. 001-33160), filed December 1, 2023, Exhibit 10.1

 10.155

 Spirit AeroSystems Holdings, Inc. amended and restated 2014 omnibus incentive plan form of time-based restricted stock unit award agreement

 Annual Report on Form 10-K (File No. 001-33160), filed February 22, 2024, Exhibit 10.136

 10.156

 Spirit AeroSystems Holdings, Inc. amended and restated 2014 omnibus incentive plan form of performance-based restricted stock unit award agreement

 Annual Report on Form 10-K (File No. 001-33160), filed February 22, 2024, Exhibit 10.137

 10.157
 Amended and Restated Spirit AeroSystems Employee Stock Purchase Plan, effective as of February 26, 2024

 Current Report on Form 8-K (File No. 001-33160), filed April 29, 2024, Exhibit 10.1

 10.158
 Delayed-Draw Bridge Credit Agreement, dated as of June 30, 2024, among Spirit AeroSystems, Inc., as borrower, the lenders party thereto from time to time, and Morgan Stanley Senior Funding, Inc., as administrative agent and as collateral agent

 Current Report on Form 8-K (File No. 001-33160), filed July 1, 2024, Exhibit 10.1

 10.159
 First Amendment, dated as of February 14, 2025, to Delayed-Draw Bridge Credit Agreement, dated as of June 30, 2024, among Spirit AeroSystems Holdings, Inc., Spirit AeroSystems, Inc., Spirit AeroSystems North Carolina, Inc., and Morgan Stanley Senior Funding, Inc., as lender and as administrative agent

 Current Report on Form 8-K (File No. 001-33160), filed February 14, 2025, Exhibit 10.1

 10.160

 Form of Section 280G Acceleration and Clawback Acknowledgement

 Current Report on Form 8-K (File No. 001-33160), filed October 17, 2024, Exhibit 10.1

 10.161

 Advance Payments Agreement, dated as of November 8, 2024, by and among Spirit AeroSystems, Inc., Spirit AeroSystems Holdings, Inc., and The Boeing Company

 *

 10.162

 Second Amended and Restated Memorandum of Agreement, entered into November 12, 2024, and effective November 8, 2024, between Spirit AeroSystems, Inc. and Airbus S.A.S.

 *

 10.163

 Amendment 1, dated January 17, 2025, to Second Amended and Restated Memorandum of Agreement, entered into November 12, 2024, and effective November 8, 2024, between Spirit AeroSystems, Inc. and Airbus S.A.S.

 *

 19.1

 Insider Trading Policy of Spirit AeroSystems Holdings, Inc.

 *

 21.1

 Subsidiaries of Spirit AeroSystems Holdings, Inc.
 *

 22.1
 Guarantors and Issuers of Guaranteed Securities
 Quarterly Report on Form 10-Q (File No. 001-33160), filed May 5, 2021, Exhibit 22.1

 23.1

 Consent of Ernst & Young LLP
 *

 31.1

 Certification of Chief Executive Officer pursuant to Section 302 of Sarbanes-Oxley Act of 2002
 *

 31.2

 Certification of Chief Financial Officer pursuant to Section 302 of Sarbanes-Oxley Act of 2002
 *

 32.1

 Certification of Chief Executive Officer pursuant to Section 906 of Sarbanes-Oxley Act of 2002
 **

 32.2

 Certification of Chief Financial Officer pursuant to Section 906 of Sarbanes-Oxley Act of 2002
 **

 Spirit AeroSystems Holdings, Inc. Mandatory Recoupment Policy.

 *

 101.INS@
 *

 101.SCH@
 *

 101.CAL@
 *

 101.DEF@
 *

 101.LAB@
 *

 101.PRE@
 *

 _______________________________________
 Indicates management contract or compensation plan or arrangement
 Indicates that confidential portions of the exhibit have been omitted in accordance with the rules of the Securities and Exchange Commission

 * Filed herewith
 ** Furnished herewith

 SIGNATURES

 Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the Registrant has duly caused this Annual Report on Form 10-K to be signed on its behalf by the undersigned, thereunto duly authorized, in the City of Wichita, State of Kansas on February 28, 2025.

 SPIRIT AEROSYSTEMS HOLDINGS, INC.

 By:
 /s/ Irene M. Esteves

 Irene M. Esteves
 Executive Vice President and Chief Financial Officer

 Pursuant to the requirements of the Securities Act of 1934, this Annual Report on Form 10-K has been signed by the following persons in the capacities and on the dates indicated.

 Signature

 Title

 Date

 /s/ Patrick M. Shanahan

 President and Chief Executive

 Patrick M. Shanahan

 Officer (Principal Executive Officer)

 /s/ Irene M. Esteves

 Executive Vice President and Chief Financial

 Irene M. Esteves

 Officer (Principal Financial Officer)

 /s/ Damon C. Ward

 Vice President, Corporate Controller

 Damon C. Ward

 (Principal Accounting Officer)

 /s/ Robert D. Johnson

 Director, Chairman of the Board

 Robert D. Johnson

 /s/ Stephen A. Cambone

 Stephen A. Cambone

 /s/ Jane P. Chappell

 Jane P. Chappell

 /s/ William A. Fitzgerald

 William A. Fitzgerald

 /s/ Paul E. Fulchino

 Paul E. Fulchino

 /s/ James R. Ray

 James R. Ray

 /s/ Ronald T. Kadish

 Ronald T. Kadish

 /s/ John L. Plueger

 John L. Plueger

 /s/ Laura H. Wright

 Laura H. Wright