X0306 4 2020-12-31 0001790982 Arconic Corp ARNC 0001182337 ONEAL E STANLEY 201 ISABELLA STREET PITTSBURGH PA 15212 1 0 0 0 Common Stock 2020-12-31 4 A 0 1132 29.8 A 115769 D Represents restricted stock units (RSUs) granted to the reporting person as a result of his previous election to participate in the Arconic Corporation 2020 Deferred Fee Plan for Directors. The number of RSUs granted was calculated based on the amount of retainer payable and the closing price on the date the retainer was paid to directors. Adam Wheeler, Assistant General Counsel and Assistant Corporate Secretary, by Power of Attorney 2020-12-31