X0306 4 2021-02-26 0001790982 Arconic Corp ARNC 0001181685 Henderson Frederick A. 201 ISABELLA STREET PITTSBURGH PA 15212 1 0 0 0 Common Stock 2021-02-26 4 P 0 4400 22.3413 A 33247 D Mr. Henderson purchased these shares on the open market. The price reported is an average weighted price. These shares were purchased in multiple transactions, with prices ranging from $22.33 to $22.35, inclusive. Adam Wheeler, Assistant General Counsel and Assistant Corporate Secretary by Power of Attorney 2021-03-01