X0306 4 2013-05-15 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 2013-05-15 4 S 0 100 23.56 D 245961 D Common Shares of Beneficial Interest 2013-05-15 4 S 0 100 23.55 D 245861 D Common Shares of Beneficial Interest 2013-05-15 4 S 0 200 23.57 D 245661 D Common Shares of Beneficial Interest 2013-05-15 4 S 0 200 23.58 D 245461 D Common Shares of Beneficial Interest 2013-05-15 4 S 0 200 23.61 D 245261 D Common Shares of Beneficial Interest 2013-05-15 4 S 0 100 23.628 D 245161 D Common Shares of Beneficial Interest 2013-05-15 4 S 0 200 23.63 D 244961 D Common Shares of Beneficial Interest 2013-05-15 4 S 0 300 23.6433 D 244661 D Common Shares of Beneficial Interest 2013-05-15 4 S 0 100 23.66 D 244561 D Common Shares of Beneficial Interest 2013-05-15 4 S 0 1500 23.70 D 243061 D Common Shares of Beneficial Interest 2013-05-15 4 S 0 1100 23.71 D 241961 D Common Shares of Beneficial Interest 2013-05-15 4 S 0 800 23.72 D 241161 D Common Shares of Beneficial Interest 2013-05-15 4 S 0 200 23.73 D 240961 D Common Shares of Beneficial Interest 2013-05-15 4 S 0 300 23.7367 D 240661 D Common Shares of Beneficial Interest 2013-05-15 4 S 0 675 23.74 D 239986 D Common Shares of Beneficial Interest 2013-05-15 4 S 0 300 23.75 D 239686 D Common Shares of Beneficial Interest 2013-05-15 4 S 0 200 23.715 D 239486 D Common Shares of Beneficial Interest 2013-05-15 4 S 0 300 23.76 D 239186 D Common Shares of Beneficial Interest 2013-05-15 4 S 0 100 23.77 D 239086 D Common Shares of Beneficial Interest 2013-05-15 4 S 0 100 23.79 D 238986 D Common Shares of Beneficial Interest 2013-05-15 4 S 0 100 23.78 D 238886 D Common Shares of Beneficial Interest 2013-05-15 4 S 0 200 23.85 D 238686 D Common Shares of Beneficial Interest 2013-05-15 4 S 0 300 23.8233 D 238386 D Common Shares of Beneficial Interest 2013-05-15 4 S 0 100 23.91 D 238286 D Common Shares of Beneficial Interest 2013-05-15 4 S 0 600 23.88 D 237686 D The reported amount consists of 143,250 restricted share units and 94,436 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 May 15, 2013, 16,750 restricted share units vested and were settled in common shares of beneficial interest, of which 8,375 are included in the reported amount and 8,375 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 2013-05-17