X0306 4 2013-08-05 0001464423 PennyMac Mortgage Investment Trust PMT 0001275713 SPECTOR DAVID C/O PENNYMAC MORTGAGE INVESTMENT TRUST 6101 CONDOR DRIVE MOORPARK CA 93021 1 1 President and COO Common Shares of Beneficial Interest 2013-08-05 4 S 0 500 21.83 D 237186 D Common Shares of Beneficial Interest 2013-08-05 4 S 0 600 21.85 D 236586 D Common Shares of Beneficial Interest 2013-08-05 4 S 0 300 21.86 D 236286 D Common Shares of Beneficial Interest 2013-08-05 4 S 0 100 21.87 D 236186 D Common Shares of Beneficial Interest 2013-08-05 4 S 0 100 21.89 D 236086 D Common Shares of Beneficial Interest 2013-08-05 4 S 0 100 21.91 D 235986 D Common Shares of Beneficial Interest 2013-08-05 4 S 0 100 21.915 D 235886 D Common Shares of Beneficial Interest 2013-08-05 4 S 0 1100 21.93 D 234786 D Common Shares of Beneficial Interest 2013-08-05 4 S 0 100 21.94 D 234686 D Common Shares of Beneficial Interest 2013-08-05 4 S 0 100 21.95 D 234586 D Common Shares of Beneficial Interest 2013-08-05 4 S 0 100 21.98 D 234486 D Common Shares of Beneficial Interest 2013-08-05 4 S 0 100 21.985 D 234386 D Common Shares of Beneficial Interest 2013-08-05 4 S 0 100 21.99 D 234286 D Common Shares of Beneficial Interest 2013-08-05 4 S 0 300 21.9933 D 233986 D Common Shares of Beneficial Interest 2013-08-05 4 S 0 100 22.01 D 233886 D Common Shares of Beneficial Interest 2013-08-05 4 S 0 200 22.015 D 233686 D Common Shares of Beneficial Interest 2013-08-05 4 S 0 500 22.03 D 233186 D Common Shares of Beneficial Interest 2013-08-05 4 S 0 300 22.04 D 232886 D Common Shares of Beneficial Interest 2013-08-05 4 S 0 900 22.05 D 231986 D Common Shares of Beneficial Interest 2013-08-05 4 S 0 200 22.06 D 231786 D Common Shares of Beneficial Interest 2013-08-05 4 S 0 300 22.0633 D 231486 D Common Shares of Beneficial Interest 2013-08-05 4 S 0 300 22.07 D 231186 D Common Shares of Beneficial Interest 2013-08-05 4 S 0 300 22.08 D 230886 D Common Shares of Beneficial Interest 2013-08-05 4 S 0 400 22.09 D 230486 D Common Shares of Beneficial Interest 2013-08-05 4 S 0 300 22.10 D 230186 D The common shares of beneficial interest were sold pursuant to a 10b5-1 plan in order to pay estimated tax obligations resulting from the vesting of 15,000 restricted share units on August 4, 2013. The reported amount consists of 128,250 restricted share units and 101,936 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. On August 4, 2013, 15,000 restricted share units vested and were settled in common shares of beneficial interest, of which 7,500 are included in the reported amount and 7,500 were sold pursuant to a 10b5-1 plan in order to pay estimated tax obligations that resulted from such vesting. /s/ Derek W. Stark, attorney-in-fact for Mr. Spector 2013-08-06