144 0001791786 XXXXXXXX LIVE 0000004281 Howmet Aerospace Inc. 001-03610 201 Isabella Street, Suite 200 Pittsburgh PA 15212-5872 412-553-1940 Elliott Investment Management L.P. (1) Shareholder Common stock, par value $1.00 per share J.P. Morgan Securities LLC

383 Madison Avenue New York NY 10179

1871492 91272665.00 412208006 08/16/2023 NYSE Common stock, par value $1.00 per share 11/01/2016 Open Market Purchases Open Market Purchases N 1871492 11/01/2016 Cash N Elliott Investment Management L.P. (1)

360 S. Rosemary Ave, 18th Floor West Palm Beach FL 33401

Common stock, par value $1.00 per share 05/22/2023 168176 7572965.00 Elliott Investment Management L.P. (1)

360 S. Rosemary Ave, 18th Floor West Palm Beach FL 33401

Common stock, par value $1.00 per share 05/25/2023 203792 8816042.00 Elliott Investment Management L.P. (1)

360 S. Rosemary Ave, 18th Floor West Palm Beach FL 33401

Common stock, par value $1.00 per share 05/26/2023 658662 28694281.00 Elliott Investment Management L.P. (1)

360 S. Rosemary Ave, 18th Floor West Palm Beach FL 33401

Common stock, par value $1.00 per share 05/30/2023 489046 21249049.00 Elliott Investment Management L.P. (1)

360 S. Rosemary Ave, 18th Floor West Palm Beach FL 33401

Common stock, par value $1.00 per share 06/01/2023 825960 36135750.00 Elliott Investment Management L.P. (1)

360 S. Rosemary Ave, 18th Floor West Palm Beach FL 33401

Common stock, par value $1.00 per share 06/02/2023 846332 37881820.00 Elliott Investment Management L.P. (1)

360 S. Rosemary Ave, 18th Floor West Palm Beach FL 33401

Common stock, par value $1.00 per share 06/07/2023 120000 5548740.00 Elliott Investment Management L.P. (1)

360 S. Rosemary Ave, 18th Floor West Palm Beach FL 33401

Common stock, par value $1.00 per share 06/08/2023 55000 2561900.00 Elliott Investment Management L.P. (1)

360 S. Rosemary Ave, 18th Floor West Palm Beach FL 33401

Common stock, par value $1.00 per share 08/03/2023 310000 14967265.00 Elliott Investment Management L.P. (1)

360 S. Rosemary Ave, 18th Floor West Palm Beach FL 33401

Common stock, par value $1.00 per share 08/04/2023 1400000 68600000.00 Elliott Investment Management L.P. (1)

360 S. Rosemary Ave, 18th Floor West Palm Beach FL 33401

Common stock, par value $1.00 per share 08/04/2023 210000 10320702.00 Elliott Investment Management L.P. (1)

360 S. Rosemary Ave, 18th Floor West Palm Beach FL 33401

Common stock, par value $1.00 per share 08/07/2023 2980000 149864200.00 Elliott Investment Management L.P. (1)

360 S. Rosemary Ave, 18th Floor West Palm Beach FL 33401

Common stock, par value $1.00 per share 08/08/2023 1302235 65736823.00 Elliott Investment Management L.P. (1)

360 S. Rosemary Ave, 18th Floor West Palm Beach FL 33401

Common stock, par value $1.00 per share 08/10/2023 300499 14979875.00 Elliott Investment Management L.P. (1)

360 S. Rosemary Ave, 18th Floor West Palm Beach FL 33401

Common stock, par value $1.00 per share 08/11/2023 107266 5301086.00 Elliott Investment Management L.P. (1)

360 S. Rosemary Ave, 18th Floor West Palm Beach FL 33401

Common stock, par value $1.00 per share 08/14/2023 225000 11103750.00 Elliott Investment Management L.P. (1)

360 S. Rosemary Ave, 18th Floor West Palm Beach FL 33401

Common stock, par value $1.00 per share 08/15/2023 340000 16585200.00 Elliott Investment Management L.P. (1)

360 S. Rosemary Ave, 18th Floor West Palm Beach FL 33401

Common stock, par value $1.00 per share 08/16/2023 242124 11854391.00 (1) Elliott Investment Management L.P., a Delaware limited partnership, serves as the investment manager of Elliott Associates, L.P., a Delaware limited partnership and Elliott International, L.P., a Cayman Islands limited partnership ("Elliott International" and together with Elliott, the "Elliott Funds"). The shares of common stock covered by this Form 144 are held by the Elliott Funds and/or their respective subsidiaries. (2) The shares reported herein to be sold were acquired in open market transactions on various dates ranging from November 2016 to May 2018. (3) On the Form 144 filed on August 7, 2023, the Table II entries for the "Amount of Securities Sold" and "Gross Proceeds" on August 7, 2023 should have been 2,668,014 and $134,178,960, respectively, rather than the amounts reported therein. 08/16/2023 Elliott Investment Management L.P., By: /s/ Elliot Greenberg, Vice President