X0306 4 2015-03-01 0 0001273441 GRAN TIERRA ENERGY INC. GTE 0001615226 Coral Adrian C/O GRAN TIERRA ENERGY INC. 200, 150 13TH AVENUE S.W. CALGARY A0 T2R 0V2 ALBERTA, CANADA 0 1 0 0 Pres., GTE Colombia, Ltd. Common Stock 2015-03-01 4 A 0 25000 0.00 A 35531 D Stock Option (Rt to Buy) 2.75 2015-03-04 4 A 0 85000 0.00 A 2016-03-01 2020-03-04 Common Stock 85000 85000 D Reflects the receipt of a restricted stock unit. Each restricted stock unit represents a contingent right to receive one (1) share of Gran Tierra Energy Inc. common stock. The restricted stock units shall vest in three equal consecutive annual installments on March 1, 2016, March 1, 2017 and Mach 1, 2018, until fully vested. 1/3rd of the option shares shall vest on March 1, 2016, an additional 1/3rd of the option shares shall vest on March 1, 2017 and the balance of the option shares shall vest on March 1, 2018. /s/ Sonya Messner, Attorney-In-Fact 2015-03-04