Results of Operations and Financial Condition On July 29, 2026 Hexcel Corporation (the “Company”) issued a press release in which the Company announced its financial results for its fiscal quarter ended June 30, 2026. A copy of this earnings press release is being furnished as Exhibit 99.1 and is incorporated herein by reference. Section 7 – Regulation FD

Termination of a Material Definitive Agreement. Hexcel Corporation (the “Company”) filed a Current Report on Form 8-K on April 30, 2026, disclosing its public offering of $400 million aggregate principal amount of 4.900% Senior Notes due 2031 (the “2031 Notes”). Also on such date, the Company disclosed that it had elected to redeem its 3.950% Senior Notes due 2027 (the “2027 Notes”). On May 28, 2026, the Company applied the net proceeds from the issuance of the 2031 Notes, together with cash…

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Other Events. On April 30, 2026, Hexcel Corporation (the “Company”) issued $400,000,000 aggregate principal amount of its 4.900% Senior Notes due 2031 (the “Notes”). The Notes were registered under the Securities Act of 1933, as amended (the “Act”), pursuant to the Company’s shelf registration statement on Form S-3ASR (File No. 333-278173) (the “Registration Statement”) filed on March 22, 2024. On April 29, 2026, the Company filed with the Securities and Exchange Commission (the “SEC”) a pros…

Results of Operations and Financial Condition On April 22, 2026 Hexcel Corporation (the “Company”) issued a press release in which the Company announced its financial results for its fiscal quarter ended March 31, 2026. A copy of this earnings press release is being furnished as Exhibit 99.1 and is incorporated herein by reference. Section 7 – Regulation FD

Creation of a Direct Financial Obligation . The information with respect to the Credit Agreement set forth in

Termination of a Material Definitive Agreement. The information with respect to the Terminated Credit Facility set forth in

Entry into a Material Definitive Agreement. On March 31, 2026, Hexcel Corporation (“Hexcel”) entered into a new credit agreement (the “Credit Agreement”) governing its $750 million revolving credit facility (the “Revolver”), which matures on March 31, 2031. The Credit Agreement was entered into by and among Hexcel, as borrower, the lenders party thereto, Bank of America, N.A., as agent for the lenders, and the other parties party thereto. On March 31, 2026, Hexcel borrowed $300 million under…

Chief Financial Officer — James Coogan: James Coogan was appointed as the new Chief Financial Officer, with Michael Lenz transitioning to a Senior Advisor role.

Entry into a Material Definitive Agreement. On March 3, 2026, Hexcel Corporation (the “ Company ”) entered into a cooperation agreement (the “ Cooperation Agreement ”) with Vision One Fund, LP and certain of its affiliates (the “ Vision One Parties ”). Pursuant to the Cooperation Agreement, the Company agreed to (i) appoint Neal J. Keating to the Company’s Board of Directors (the “ Board ”) and the Audit Committee of the Board (the “ Audit Committee ”) promptly after executing the Cooperation…

Director — Mr. Keating: Mr. Keating was appointed to the Board and the Audit Committee of the Board.

Results of Operations and Financial Condition On January 28, 2026 Hexcel Corporation (the “Company”) issued a press release in which the Company announced its financial results for its fiscal quarter and year ended December 31, 2025. A copy of this earnings press release is being furnished as Exhibit 99.1 and is incorporated herein by reference. Section 7 – Regulation FD

CFO — Michael C. Lenz: The filing discloses the resignation of the sitting CFO and the appointment of an external interim successor, representing a genuine executive departure that is being managed through an orderly transition.

Director — Jeffrey C. Campbell: The Lead Director announced he will not stand for reelection, representing a planned departure from the board without any dispute or negative cause.

Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant. As previously reported, on April 25, 2023, the Company entered into a senior unsecured revolving credit agreement (the “Credit Agreement”) providing for a $750 million revolving credit facility (the “Revolver”). On October 21, 2025, the Company provided notice to the lenders pursuant to the Credit Agreement to borrow $350 million under the Revolver to fund the initial settlement…

Other Events. On October 22, 2025, the Board approved an additional $600 million authorization to purchase shares of Common Stock under the 2025 Share Repurchase Program. This amount is in addition to the amount that currently remains available for repurchases under the prior share repurchase program approved by the Board in February 2024 (together with the 2025 Share Repurchase Program, the “Share Repurchase Programs”). The purchases of such shares under the 2025 Share Repurchase Program are…

Entry into a Material Definitive Agreement. On October 22, 2025, Hexcel Corporation (the “Company”) entered into a master confirmation (each, a “Master Confirmation”) and supplemental confirmation (together with the related Master Confirmation, collectively, the “ASR Agreements”), with each of Bank of America, N.A. (“Bank of America”) and Goldman Sachs & Co. LLC (together with Bank of America, the “Counterparties”). Under the ASR Agreements, the Company will repurchase an aggregate of $350 mi…

Results of Operations and Financial Condition. On October 22, 2025 Hexcel Corporation (the “Company”) issued a press release in which the Company announced its financial results for its fiscal quarter ended September 30, 2025. A copy of this earnings press release is being furnished as Exhibit 99.1 and is incorporated herein by reference. Section 7 – Regulation FD

Executive Vice President, Chief Financial Officer — Patrick Winterlich: Mr. Winterlich resigned to pursue another professional opportunity.

Results of Operations and Financial Condition On July 24, 2025 Hexcel Corporation (the “Company”) issued a press release in which the Company announced its financial results for its fiscal quarter ended June 30, 2025. A copy of this earnings press release is being furnished as Exhibit 99.1 and is incorporated herein by reference. Section 7 – Regulation FD

President — Thierry Merlot: The President announced a planned retirement in 2026 with an immediate internal transition to a strategy role and a successor expected to be in place, indicating an orderly succession rather than a sudden loss.

Results of Operations and Financial Condition On April 21, 2025 Hexcel Corporation (the “Company”) issued a press release in which the Company announced its financial results for its fiscal quarter ended March 31, 2025. A copy of this earnings press release is being furnished as Exhibit 99.1 and is incorporated herein by reference. Section 7 – Regulation FD

Termination of a Material Definitive Agreement. Hexcel Corporation (the “Company”) filed a Current Report on Form 8-K on February 12, 2025 disclosing its pricing of a public offering of $300 million aggregate principal amount of 5.875% Senior Notes due 2035 (the “2035 Notes”). Also on such date, the Company disclosed that it had elected to redeem its 4.700% Senior Notes due 2025 (the “2025 Notes”). On March 14, 2025, the Company applied the net proceeds from the issuance of the 2035 Notes to…

Other Events. On February 26, 2025, Hexcel Corporation (the “Company”) issued $300 million aggregate principal amount of its 5.875% Senior Notes due 2035 (the “Notes”). The Notes were registered under the Securities Act of 1933, as amended (the “Act”), pursuant to the Company’s shelf registration statement on Form S-3ASR (File No. 333-278173) (the “Registration Statement”) filed on March 22, 2024. On February 13, 2025, the Company filed with the Securities and Exchange Commission (the “SEC”)…

Other Events. On February 11, 2025, Hexcel Corporation (the “Company”) entered into an underwriting agreement (the “Underwriting Agreement”) with BofA Securities, Inc., Goldman Sachs & Co. LLC and J.P. Morgan Securities LLC acting as representatives of the several underwriters named therein (collectively the “Underwriters”), relating to the Company’s offering of $300,000,000 aggregate principal amount of its unsecured 5.875% Senior Notes due 2035 (the “Notes”) in a registered public offering.…