CALGARY, ALBERTA--(Marketwired - May 4, 2017) - Gran Tierra Energy Inc. ("Gran Tierra" or the "Company") (NYSE MKT:GTE)(TSX:GTE) today announces the voting results from its annual meeting of stockholders held on May 3, 2017.

Stockholders elected all seven individuals nominated by Gran Tierra. In addition, stockholders voted "FOR" the ratification of the appointment of Deloitte LLP as Gran Tierra's independent registered public accounting firm for 2017, "FOR" the approval, on an advisory basis, of the compensation of Gran Tierra's named executive officers, and "EVERY YEAR" as the preferred frequency of solicitation of stockholder advisory votes on the compensation of Gran Tierra's Named Executive Officers. The detailed results of the vote are as follows:

Proposal 1 - Election of Directors For Against Abstain Non Votes  
Peter Dey 201,469,239 6,711,700 133,328 47,242,801  
Gary S. Guidry 168,954,809 39,220,856 138,602 47,242,801  
Evan Hazell 207,117,628 1,058,111 138,528 47,242,801  
Robert B. Hodgins 159,933,362 48,244,587 136,318 47,242,801  
Ronald Royal 206,960,369 1,228,030 125,868 47,242,801  
David P. Smith 207,135,217 1,058,632 120,418 47,242,801  
Brooke Wade 196,865,119 4,159,134 137,007 47,242,801  
           
Proposal 2 For Against Abstain Non Votes  
Ratification of Appointment of the Independent Registered Public Accounting Firm 215,470,860 39,958,108 128,100 0  
           
Proposal 3 For Against Abstain Non Votes  
Approval of Named Executive Officer Compensation 191,055,465 9,441,616 7,817,186 47,242,801  
           
Proposal 4 Every Year Every Two Years Every Three Years Abstain Non Votes
Approval of the Preferred Frequency of Solicitation of Stockholder Advisory Votes on the Compensation of Gran Tierra's Named Executive Officers 192,947,715 220,592 8,658,481 1,044,981 47,242,801

About Gran Tierra Energy Inc.

Gran Tierra Energy Inc. together with its subsidiaries is an independent international energy company focused on oil and natural gas exploration and production in Colombia. The Company also has business activities in Peru and Brazil.

Gran Tierra's Securities and Exchange Commission filings are available on a web site maintained by the Securities and Exchange Commission at http://www.sec.gov and on SEDAR at http://www.sedar.com.

Gran Tierra Energy Inc.
Gary Guidry
Chief Executive Officer
403-767-6500

Gran Tierra Energy Inc.
Ryan Ellson
Chief Financial Officer
403-767-6501

Gran Tierra Energy Inc.
Rodger Trimble
Vice President, Investor Relations
403-698-7941
info@grantierra.com