CALGARY, ALBERTA--(Marketwired - Feb. 22, 2017) - Gran Tierra Energy Inc. ("Gran Tierra") (NYSE MKT:GTE)(TSX:GTE), announces that the Company will release its 2016 fourth quarter and full year financial and operating results on Wednesday, March 1, 2017 at approximately 6:00 a.m. Eastern Time (4:00 a.m. Mountain Time). A conference call to discuss the 2016 fourth quarter and full year results will be held at 11:00 a.m. Eastern Time (9:00 a.m. Mountain Time) on the same day. Details of the conference call are as follows:

Date:   Wednesday, March 1, 2017
Time:   11:00 a.m. Eastern Time (9:00 a.m. Mountain Time)
North American participants call:   1-844-348-3792 (Toll-Free)
Outside of Canada & USA call:   1-614-999-9309

Interested parties may also access the live webcast on the investor relations page of Gran Tierra's website at www.grantierra.com. An archive of the webcast will be available on Gran Tierra's website until the next earnings call. For interested parties unable to participate, an audio replay of the call will be available following the call until March 3, 2017. To access the replay, dial 1-855-859-2056 or 1-404-537-3406 (North America) and use passcode 71220946.

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.

For investor and
media inquiries please contact:

Gary Guidry
Chief Executive Officer
403-767-6500

Ryan Ellson
Chief Financial Officer
403-767-6501

Rodger Trimble
Vice President, Investor Relations
403-698-7941
info@grantierra.com
www.grantierra.com