X0306 4 2019-02-15 0000004281 Arconic Inc. ARNC 0001241599 DOTY ELMER L 390 PARK AVENUE NEW YORK, NY 10022 1 1 0 0 Chief Operating Officer Restricted Stock Unit 2019-02-15 4 A 0 385000 0 A Common Stock 385000 385000 D Each restricted stock unit represents a contingent right to receive one share of common stock of Arconic Inc. ("Arconic") or, at Arconic's election, cash equivalent to the fair market value thereof. The restricted stock units generally vest in two equal installments on the first and second anniversary of February 6, 2019, contingent on Mr. Doty's continued service as Chief Operating Officer through each applicable vesting date and subject to prorated or full vesting upon the occurrence of certain events. Vested restricted stock units will be settled in shares or cash, as applicable, within 30 days following each applicable vesting date. /s/ Margaret Lam (Assistant Secretary), by power of attorney 2019-02-19