X0306 4 2020-01-23 0 0001675149 Alcoa Corp AA 0001573449 Oplinger William F 201 ISABELLA STREET SUITE 500 PITTSBURGH PA 15212-5858 0 1 0 0 EVP & CFO Common Stock, par value $0.01 per share 2020-01-23 4 A 0 39290 0.00 A 148004 D Common Stock, par value $0.01 per share 543 I By Company 401(k) plan Award of restricted stock units, which are settled in stock upon vesting, generally on the third anniversary of the date of grant. Fluctuations in 401(k) share amounts reflect the plan's unit reporting method; units represent interests in the Company's stock fund. /s/ Marissa P. Earnest, attorney-in-fact for William F. Oplinger 2020-01-27