Gran Tierra Energy Inc. Announces Capital Markets Days

CALGARY, ALBERTA--(Marketwired - May 12, 2016) - Gran Tierra Energy Inc. ("Gran Tierra" or the "Company") (TSX:GTE)(NYSE MKT:GTE) today announced the Company's schedule of upcoming Capital Markets Days for analysts and institutional investors. Gary Guidry, President and Chief Executive Officer, and Ryan Ellson, Chief Financial Officer, will host the events and be joined by members of Gran Tierra's Senior Management team. The events will focus on Gran Tierra's development and exploration programs in Colombia.

The schedule for Gran Tierra's Capital Market Days is as follows:

• London, UK, Friday, June 10, 2016, 11:00 a.m. - 2:00 p.m. BST, Savoy Hotel, Strand
• Toronto, Monday, June 13, 2016, 11:00 a.m. - 2:00 p.m. EDT, Royal York Hotel, 100 Front Street West
• New York, Thursday, June 23, 2016, immediately following Gran Tierra's Annual General Meeting at the Andaz Hotel, 75 Wall Street

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.