X0303 4 2011-01-15 0 0001092289 TRANSATLANTIC PETROLEUM LTD. TAT 0001437038 Larsen Scott C 5910 N. CENTRAL EXPRESSWAY SUITE 1755 DALLAS TX 75206 1 1 0 0 Executive Vice President Common Shares 2011-01-15 4 M 0 80648 A 529383 D Common Shares 2011-01-15 4 F 0 22672 3.35 D 506711 D Restricted Stock Units 2011-01-15 4 M 0 50000 0 D Common Shares 50000 50000 D Restricted Stock Units 2011-01-15 4 M 0 27473 0 D Common Shares 27473 0 D Restricted Stock Units 2011-01-15 4 M 0 3175 0 D Common Shares 3175 6352 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 50,000 restricted stock units vested on January 15, 2010, the second annual installment of 50,000 restricted stock units vested on January 15, 2011, and the third annual installment of 50,000 restricted stock units will vest on January 15, 2012. The restricted stock units vested in full on January 15, 2011. The restricted stock units vest in three equal annual installments. The first annual installment of 3,175 restricted stock units vested on January 15, 2011, the second annual installment of 3,176 restricted stock units will vest on January 15, 2012, and the third annual installment of 3,176 restricted stock units will vest on January 15, 2013. Represents restricted stock units withheld for the payment of withholding taxes. Jeffrey S. Mecom, Attorney-in-Fact 2011-01-19