X0508 4 2026-02-24 0001745916 PennyMac Financial Services, Inc. PFSI 0001275713 SPECTOR DAVID C/O PENNYMAC FINANCIAL SERVICES, INC. 3043 TOWNSGATE ROAD WESTLAKE VILLAGE CA 91361 1 1 Chairman & CEO 0 Common Stock 2026-02-24 4 F 0 3106 90.33 D 544934 D Common Stock 90604 I ST Family Investment Company LLC Represents shares withheld for taxes upon vesting of restricted stock units. The reported amount consists of 43,998 restricted stock units and 500,936 shares of Common Stock. The restricted stock units are to be settled in an equal number of shares of Common Stock upon vesting. /s/ Derek W. Stark, attorney-in-fact for Mr. Spector 2026-02-26