X0306 4 2021-10-25 0001464423 PennyMac Mortgage Investment Trust PMT 0001469228 Carnahan Scott W. C/O PENNYMAC MORTGAGE INVESTMENT TRUST 3043 TOWNSGATE ROAD WESTLAKE VILLAGE CA 91361 1 Common Shares of Beneficial Interest 2021-10-25 4 S 0 4796 20.33 D 43664 D Common Shares of Beneficial Interest 20008 I Carnahan Black Pearl Partnership Common Shares of Beneficial Interest 7700 I Schwab IRA Common Shares of Beneficial Interest 8222 I Schwab Roth IRA Common Shares of Beneficial Interest 5135 I Schwab SEP IRA Common Shares of Beneficial Interest 27500 I UBS IRA Common Shares of Beneficial Interest 950 I Wells Roth IRA The common shares of beneficial interest were sold pursuant to a 10b5-1 plan. The reported amount consists of 9,691 restricted share units and 33,973 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. Carnahan 2021-10-27