X0206 3 2018-05-16 0 0000004281 Arconic Inc. ARNC 0001490905 Alving Amy E 390 PARK AVENUE NEW YORK, NY 10022 1 0 0 0 Common Stock 5213 D On December 31, 2017, Arconic Inc., a Delaware corporation, became the successor of Arconic Inc., a Pennsylvania corporation, pursuant to a merger. The merger had the effect of changing Arconic Inc.'s domicile, but did not alter the proportionate interests of security holders. Exhibit List Exhibit 24 - Power of Attorney - ALVING AMY E /s/ Margaret Lam (Assistant Secretary), by power of attorney 2018-05-17