X0306 4 2023-02-15 0 0000040888 AEROJET ROCKETDYNE HOLDINGS, INC. AJRD 0001498607 James Deborah L 222 N. PACIFIC COAST HIGHWAY, SUITE 500 EL SEGUNDO CA 90245 1 0 0 0 Common Stock 2023-02-15 4 A 0 504 56.15 A 504 I By Rabbi Trust Common Stock 2023-02-15 4 A 0 252 56.15 A 756 I By Rabbi Trust Common Stock 4000 D Common Stock 1442 I Deborah Lee James Living Trust Effective March 24, 2010, the Board of Directors approved a Director Compensation Program which allows Directors to elect to receive Aerojet Rocketdyne Holdings, Inc. common stock in lieu of their cash compensation. The number of shares of common stock shown reflects the common stock this Reporting Person is entitled to receive in lieu of their annual cash retainer fee paid quarterly. Shares of common stock held by a "rabbi trust" receipt of which has been deferred by the Reporting Person pursuant to the Aerojet Rocketdyne Holdings, Inc. Deferred Compensation Plan for Directors. Pursuant to the Director Compensation Program, if a Director elects to receive common stock in lieu of at least 50% of their cash compensation, the Company will grant restricted shares equal in value to 50% of the amount of cash compensation they elect to receive in common stock. Such restricted shares will vest on the earlier of (i) the date of the Director's retirement from the Board, and (ii) one year after the grant date. The number of shares of common stock shown reflects the grant of restricted shares. 1,413 shares that were previously reported as directly owned on the Reporting Person's Form 4 filed November 17, 2022 have been transferred to the Deborah Lee James Living Trust and are now being reported as indirectly owned. /s/ Tony Shin, attorney-in-fact 2023-02-17