X0306 4 2021-03-01 0000040888 AEROJET ROCKETDYNE HOLDINGS, INC. AJRD 0001635474 Drake Eileen P. 222 N. PACIFIC COAST HIGHWAY, SUITE 500 EL SEGUNDO CA 90245 1 1 CEO and President Common Stock 2021-03-01 4 D 0 12761 0 D 181142 D Common Stock 2021-03-01 4 F 0 5605 51.82 D 175537 D Common Stock 218181 I EPD 2018 Trust dated August 7, 2018 46,073 shares that were previously reported as directly owned on the Reporting Person's Form 4 filed December 28, 2020 have been transferred to the EPD 2018 Trust dated August 7, 2018 since that filing and are now being reported as indirectly owned. /s/ Rebecca A. Bauer, attorney-in-fact 2021-03-03