X0609 4 2026-08-27 0001675149 Alcoa Corp AA 0001808037 Jones Tammi A false 201 ISABELLA STREET, SUITE 500 PITTSBURGH PA 15212 false true false false EVP & CHRO false Common Stock, par value $0.01 per share 2026-08-27 4 S false 15628 50.5972 D 39819 D Common Stock, par value $0.01 per share 11965 I By Spouse Common Stock, par value $0.01 per share 62 I By Company 401(k) The price reported in column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $50.5000 - $50.7315. The reporting person undertakes to provide to Alcoa Corporation, any security holder of Alcoa Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each price within the range set forth in this footnote. Fluctuations in 401(k) share amounts reflect the plan's unit reporting method; units represent interests in the Company's stock fund. /s/ Megan C. Yancey, attorney-in-fact for Tammi A. Jones 2026-08-28