144 0001136562 XXXXXXXX LIVE 0000004281 Howmet Aerospace, Inc. 001-03610 201 Isabella Street, Suite 200 Pittsburgh PA 15212 412-553-1940 John Plant Executive Chairman and CEO Common J.P. Morgan Securities LLC

390 Madison Avenue - 6th Floor New York NY 10017

800000 125928000 403674062 05/12/2025 NYSE Common 06/09/2021 Compensation Issuer N 91374 06/09/2021 N/A Common 03/31/2021 Compensation Issuer N 188400 03/31/2021 N/A Common 03/09/2021 Compensation Issuer N 34619 03/09/2021 N/A Common 12/17/2020 Compensation Issuer N 34940 12/17/2020 N/A Common 02/06/2020 Compensation Issuer N 283361 02/06/2020 N/A Common 08/06/2020 Compensation Issuer N 17306 08/06/2020 N/A Common 12/06/2022 Gift JCP Annuity Trust 2020 Y 02/06/2020 150000 12/06/2022 N/A Y Up to 150,000 shares filed today will be sold by Plant Remainder Trust 2003 and up to 650,000 shares will be sold by John C. Plant Revocable Living Trust, John Plant as Trustee 05/12/2025 /s/ J.P. Morgan Securities LLC as agent and attorney-in-fact for John Plant