X0508 4 2026-02-24 0001464423 PennyMac Mortgage Investment Trust PMT 0001275713 SPECTOR DAVID C/O PENNYMAC MORTGAGE INVESTMENT TRUST 3043 TOWNSGATE ROAD WESTLAKE VILLAGE CA 91361 1 1 Chairman and CEO 0 Common Shares of Beneficial Interest 2026-02-24 4 F 0 7487 12.15 D 431533 D Represents shares withheld for taxes upon vesting of restricted share units. The reported amount consists of 126,984 restricted share units and 304,549 Common Shares of beneficial interest. The restricted share units are to be settled in an equal number of Common Shares of beneficial interest upon vesting. /s/ Derek W. Stark, attorney-in-fact for Mr. Spector 2026-02-26