X0306 4 2021-03-12 0001464423 PennyMac Mortgage Investment Trust PMT 0001468932 Chang Andrew S C/O PENNYMAC MORTGAGE INVESTMENT TRUST 3043 TOWNSGATE ROAD WESTLAKE VILLAGE CA 91361 1 Chief Operating Officer Common Shares of Beneficial Interest 2021-03-12 4 F 0 1055 19.60 D 103984 D Represents shares withheld for taxes upon vesting of restricted share units. The reported amount consists of 15,934 restricted share units and 88,050 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. Chang 2021-03-16