X0306 4 2023-02-07 0001464423 PennyMac Mortgage Investment Trust PMT 0001717888 Sullivan Marianne C/O PENNYMAC MORTAGE INVESTMENT TRUST 3043 TOWNSGATE ROAD WESTLAKE VILLAGE CA 91361 1 Common Shares of Beneficial Interest 2023-02-07 4 P 0 9900 14.00 A 11600 I OptimX Advisors 401K Common Shares of Beneficial Interest 2023-02-08 4 P 0 10340 14.25 A 21940 I OptimX Advisors 401K Common Shares of Beneficial Interest 16395 D Common Shares of Beneficial Interest 40550 I Marianne E Sullivan Revocable Trust Common Shares of Beneficial Interest 8050 I Roth Contributory IRA The reported amount consists of 11,696 restricted share units and 4,699 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 Ms. Sullivan 2023-02-08