Business Description

Howmet Aerospace Inc. is a Delaware corporation with its principal office in Pittsburgh, Pennsylvania. In this report, unless the context otherwise requires, “Howmet”, the “Company”, “we”, “us”, and “our” refer to Howmet Aerospace Inc. and its consolidated subsidiaries. The Company’s Internet address is https://www.howmet.com. Howmet makes available free of charge on or through its website its annual report on Form 10-K, quarterly reports on Form 10-Q, current reports on Form 8-K, and amendments to those reports filed or furnished pursuant to Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as well as proxy statements, as soon as reasonably practicable after the Company electronically files such material with, or furnishes it to, the Securities and Exchange Commission (“SEC”). The Company’s website is included in this annual report on Form 10-K as an inactive textual reference only. The information on, or accessible through, the Company’s website is not a part of, or incorporated by reference in, this annual report on Form 10-K. The SEC maintains an Internet site that contains these reports at https://www.sec.gov. Background As described below, Howmet Aerospace Inc. was previously named Arconic Inc. and, prior to that, Alcoa Inc., a company formed in 1888. The Arconic Inc. Separation Transaction. On April 1, 2020, Arconic Inc. separated its businesses (the “Arconic Inc. Separation Transaction”) into two independent, publicly traded companies: Howmet Aerospace Inc. (the new name for Arconic Inc.) and Arconic Corporation. Following this separation, Howmet retained the Engine Products, Fastening Systems, Engineered Structures, and Forged Wheels businesses; and its prior Rolled Products, Aluminum Extrusions, and Building and Construction Systems businesses were spun-off to Arconic Corporation. In connection with the Arconic Inc. Separation Transaction, Howmet and Arconic Corporation entered into several agreements that govern their post-separation relationship. The 2017 Reincorporation in Delaware. On December 31, 2017, Arconic Inc., then a Pennsylvania corporation, changed its jurisdiction of incorporation from Pennsylvania to Delaware. The Alcoa Inc. Separation Transaction. On November 1, 2016, Alcoa Inc. completed the separation of its businesses (the “Alcoa Inc. Separation Transaction”) into two independent, publicly traded companies: Arconic Inc. (the new name for Alcoa Inc., which, through the transactions described above, later became Howmet Aerospace Inc.) and Alcoa Corporation. Following this separation, the Company retained the Engineered Products and Solutions, Global Rolled Products, and Transportation and Construction Solutions businesses. In connection with the Alcoa Inc. Separation Transaction, the two companies entered into several agreements that govern their post-separation relationship. Recent Developments Consolidated Aerospace Manufacturing, LLC Acquisition Transaction . On December 22, 2025, the Company entered into an agreement with Stanley Black & Decker, Inc. (“Stanley Black & Decker”) to acquire Consolidated Aerospace Manufacturing, LLC (“CAM”), a wholly owned subsidiary of Stanley Black & Decker, for a cash purchase price of approximately $1.8 billion (the “Proposed CAM Acquisition”). The Proposed CAM Acquisition is expected to close in the first half of 2026, subject to customary closing conditions and regulatory approvals. See also “Liquidity and Capital Resources—Planned Financing for the Proposed CAM Acquisition” in Part II, Item 7 (Management’s Discussion and Analysis of Financial Condition and Results of Operations). Brunner Manufacturing Co. Inc. Acquisition Transaction . On February 6, 2026, the Company acquired Brunner Manufacturing Co. Inc., a small privately-held manufacturer of high-quality fastener products located in the U.S., for an all-cash purchase price (the “Brunner acquisition”). Overview Howmet is a leading global provider of advanced engineered solutions for the aerospace and transportation industries. The Company’s primary businesses focus on jet engine components, aerospace fastening systems, and airframe structural components necessary for mission-critical performance and efficiency in aerospace and defense applications, as well as forged aluminum wheels for commercial transportation. Howmet’s technological capabilities support the innovation and growth of next-generation aerospace programs.…