GRAN TIERRA ENERGY INC.

Report Publication Announcement • Feb 21, 2019

National Storage Mechanism | Additional information

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CALGARY, Alberta, Feb. 21, 2019 (GLOBE NEWSWIRE) -- Gran Tierra Energy Inc. (“Gran Tierra”) (NYSE American:GTE) (TSX:GTE) (LSE:GTE), announces that the Company will release its 2018 fourth quarter and full year financial and operating results on Wednesday, February 27, 2019, before market open. A conference call to discuss the 2018 fourth quarter and full year results will be held at 1:00 p.m. Eastern Time (11:00 a.m. Mountain Time) the same day, Wednesday, February 27, 2019. Details of the conference call are as follows:

Date:	Wednesday, February 27, 2019
Time:	1:00 p.m. Eastern Time (11:00 a.m. Mountain Time)
North America:	+1-844-348-3792 (Toll-Free)
United Kingdom:	+44 (0)80 0028 8438
International:	+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 March 6, 2019. In addition, an audio replay of the conference call will be available following the call until March 7, 2019.  To access the replay, dial toll-free 1-855-859-2056 (North America), or 1-404-537-3406 (outside of Canada and USA), conference ID: 2099134.

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.

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 and UK regulatory filings are available on the National Storage Mechanism website at www.morningstar.co.uk/uk/nsm.

Contact Information

For investor and media inquiries please contact:

Gary Guidry

Chief Executive Officer

Ryan Ellson

Chief Financial Officer

Rodger Trimble

Vice President, Investor Relations

+1-403-265-3221

[email protected]

www.grantierra.com