X0206 3 2015-05-11 0 0001273441 GRAN TIERRA ENERGY INC. GTE 0001642213 Ellson Ryan C/O GRAN TIERRA ENERGY INC. 200, 150 13 AVENUE SW CALGARY A0 T2R 0V2 ALBERTA, CANADA 0 1 0 0 CFO Common Stock 170030 I By West Face SPV (Cayman) I L.P. David Hardy, Attorney-In-Fact 2015-05-14