X0303 4 2011-07-15 0 0001092289 TRANSATLANTIC PETROLEUM LTD. TAT 0001437038 Larsen Scott C 5910 N. CENTRAL EXPRESSWAY SUITE 1755 DALLAS TX 75206 0 1 0 0 Executive Vice President Common Shares 2011-07-15 4 M 0 8997 A 510908 D Common Shares 2011-07-15 4 F 0 2759 1.69 D 508149 D Restricted Stock Units 2011-07-15 4 M 0 6021 0 D Common Shares 6021 6022 D Restricted Stock Units 2011-07-15 4 M 0 2976 0 D Common Shares 2976 5953 D Each restricted stock unit represents a contingent right to receive one share of TransAtlantic Petroleum Ltd. common stock. The restricted stock units vest in three equal annual installments. The first annual installment of 6,021 restricted stock units vested on July 15, 2010, the second annual installment of 6,021 restricted stock units vested on July 15, 2011 and the third annual installment of 6,022 restricted stock units will vest on July 15, 2012. The restricted stock units vest in three equal annual installments. The first annual installment of 2,976 restricted stock units vested on July 15, 2011, the second annual installment of 2,976 restricted stock units will vest on July 15, 2012 and the third annual installment of 2,977 restricted stock units will vest on July 15, 2013. Represents restricted stock units withheld for the payment of withholding taxes. Jeffrey S. Mecom, Attorney-in-Fact 2011-07-19