X0304 4 2011-08-04 0001464423 PennyMac Mortgage Investment Trust PMT 0001486334 Hendry Gregory L C/O PENNYMAC MORTGAGE INVESTMENT TRUST 27001 AGOURA ROAD, THIRD FLOOR CALABASAS CA 91301 1 Chief Accounting Officer Common Shares of Beneficial Interest 2011-08-04 4 S 0 138 16.6577 D 4177 D The common shares of beneficial interest were sold in order to pay the estimated tax withholding obligation that resulted from the vesting of 360 restricted share units on August 4, 2011. The reported amount consists of 3,720 restricted share units and 457 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. A total of 360 restricted share units vested on August 4, 2011 and were settled in common shares of beneficial interest, of which 138 were sold as described in the preceding footnote and 222 are included in the reported amount. /s/ Gregory L. Hendry 2011-08-30