Howmet Aerospace Inc.

Item 1. Legal Proceedings.

Pendency and Proposed Settlement of Shareholder Derivative Action, Raul v. Albaugh et al.

As discussed in Note P to the Consolidated Financial Statements in Part I, Item 1 of this Form 10-Q, a shareholder derivative action captioned Raul v. Albaugh et al., C.A. No. 18-930-JLH (United States District Court for the District of Delaware) was nominally filed on behalf of Arconic Inc. by a purported Arconic Inc. stockholder against then-members of Arconic Inc.’s Board of Directors and certain then-officers of Arconic Inc. on June 22, 2018. In May 2025, the parties executed a Stipulation of Settlement, including all exhibits thereto (the “Stipulation of Settlement”) and thereafter submitted the settlement documentation for court approval. On October 8, 2025, the court granted preliminary approval of the settlement and set February 10, 2026 as the date of the final settlement approval hearing. The Stipulation of Settlement and a Notice of Pendency and Proposed Settlement of Shareholder Derivative Action is available on the investor relations page of the Company’s website, under the “Shareholder Information” tab, at https://www.howmet.com/shareholder-information/. The information on the Company’s website is included as an inactive textual reference only and is not a part of, or incorporated by reference in, this Quarterly Report on Form 10-Q. The Stipulation of Settlement has no material impact on the Company’s results of operations.