Gran Tierra Energy Announces Final Voting Results from its Annual Meeting of Stockholders

All Eight Nominees Elected to Gran Tierra Energy's Board

CALGARY, June 24, 2015 /CNW/ - Gran Tierra Energy Inc. ("Gran Tierra") (NYSE MKT: GTE, TSX: GTE), a company focused on oil exploration and production in South America, today announces the voting results from its 2015 annual meeting of stockholders held earlier today.

Stockholders elected all eight individuals nominated by Gran Tierra to its Board of Directors.  In addition, stockholders voted "FOR" the approval, on an advisory basis, of the compensation of Gran Tierra's named executive officers and "FOR" the ratification of the selection by the Audit Committee of the Board of Directors of Deloitte LLP as Gran Tierra's independent registered public accounting firm for the fiscal year ending December 31, 2015. The detailed results of the votes are as follows:

Proposal 1 – Election of Directors	For	Withheld	Non Votes
Peter Dey	187,881,289	3,268,210	39,565,152
Gary S. Guidry	187,660,830	3,488,669	39,565,152
Evan Hazell	172,828,665	18,320,834	39,565,152
Robert B. Hodgins	176,493,690	14,655,809	39,565,152
J. Scott Price	184,616,209	4,843,607	39,565,152
Ronald Royal	188,037,636	3,111,863	39,565,152
David P. Smith	188,037,123	3,112,376	39,565,152
Brooke Wade	188,049,434	3,100,065	39,565,152
Proposal 2	For	Against	Abstain	Non Votes
Advisory Vote on Executive	182,894,762	6,967,112	1,287,625	39,565,152
Compensation
Proposal 2	For	Against	Abstain	Non Votes
Ratification of Selection	228,449,624	2,037,514	227,513	0
of Independent Auditors

About Gran Tierra Energy Inc.

Gran Tierra is an international oil and gas exploration and production company, headquartered in Calgary, Canada, incorporated in the United States, trading on the NYSE MKT (GTE) and the Toronto Stock Exchange (GTE), and operating in South America. Gran Tierra holds interests in producing and prospective properties in Colombia, Peru, and Brazil. Gran Tierra has a strategy that focuses on establishing a portfolio of producing properties, plus production enhancement and exploration opportunities to provide a base for future growth.

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.

SOURCE Gran Tierra Energy Inc.

For investor and media inquiries please contact: Gary Guidry, Chief Executive Officer, 403-767-6500; Ryan Ellson, Chief Financial Officer, 403-767-6501, [email protected]