Gran Tierra Energy Inc. Announces Establishment of Automatic Securities Purchase Plan

CALGARY, Alberta, Nov. 07, 2018 (GLOBE NEWSWIRE) -- Gran Tierra Energy Inc. (“Gran Tierra” or the “Company”) (NYSE American: GTE)(TSX:GTE)(LSE:GTE) today announced in connection with its previously announced normal course issuer bid (“NCIB”) to purchase up to 19,269,732 of its shares of common stock (“Shares”), it entered into an Automatic Securities Purchase Plan (“ASPP”) with a designated broker. The ASPP is intended to allow for the purchase of Shares under the NCIB when the Company would ordinarily not be permitted to purchase shares due to regulatory restrictions and customary self-imposed blackout periods.

Pursuant to the ASPP, outside of a trading blackout period, Gran Tierra may, but is not required to, instruct the designated broker to make purchases under the NCIB in accordance with the terms of the ASPP. Such purchases will be determined by the designated broker at its sole discretion based on purchasing parameters set by Gran Tierra in accordance with the rules of the Toronto Stock Exchange (“TSX”), applicable securities laws and the terms of the ASPP. The ASPP has been pre-cleared by the TSX and will be implemented on November 9, 2018.

Outside of blackout periods, Shares may be purchased under the NCIB based on management’s discretion, in compliance with TSX rules and applicable securities laws. The NCIB commenced on March 12, 2018 and ends on March 11, 2019. All purchases made under the ASPP will be included in computing the number of Shares purchased under the NCIB.

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 is focused on its existing portfolio of assets in Colombia and will pursue new growth opportunities throughout Colombia, leveraging its financial strength. The Company’s shares of common stock trade on the NYSE American, the TSX and the London Stock Exchange under the ticker symbol GTE. Additional information concerning Gran Tierra is available at Information on the Company’s website does not constitute a part of this press release. Investor inquiries may be directed to or (403) 265-3221.

Gran Tierra’s Securities and Exchange Commission filings are available on the SEC website at and on SEDAR at and UK regulatory filings are available on the National Storage Mechanism website at .

Forward-Looking Statements and Advisories

This press release contains statements about future events that constitute forward-looking statements within the meaning of the United States Private Securities Litigation Reform Act of 1995, Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended, and forward looking information within the meaning of applicable Canadian securities laws (collectively, “forward-looking statements”). Such forward-looking statements include, but are not limited to, potential purchases of the Shares for cancellation or redeployment under the NCIB and pursuant to the ASPP. There can be no assurance as to how many Shares, if any, will ultimately be acquired by Gran Tierra under the NCIB and pursuant to the ASPP or what impact the NCIB will have.

The forward-looking statements contained in this news release are subject to risks, uncertainties and other factors that could cause actual results or outcomes to differ materially from those contemplated by the forward-looking statements, including, among others: unexpected changes in general market and economic conditions. Accordingly, readers should not place undue reliance on the forward-looking statements contained herein. Further information on potential factors that could affect Gran Tierra are included in risks detailed from time to time in Gran Tierra’s reports filed with the Securities and Exchange Commission, including, without limitation, under the caption “Risk Factors” in Gran Tierra’s Annual Report on Form 10-K filed February 27, 2018 and its subsequent quarterly reports on Form 10-Q. These filings are available on the SEC website at and on SEDAR at

All forward-looking statements are made as of the date of this press release and the fact that this press release remains available does not constitute a representation by Gran Tierra that Gran Tierra believes these forward-looking statements continue to be true as of any subsequent date. Actual results may vary materially from the expected results expressed in forward-looking statements. Gran Tierra disclaims any intention or obligation to update or revise any forward-looking statements, whether as a result of new information, future events or otherwise, except as expressly required by applicable securities laws. Gran Tierra’s forward-looking statements are expressly qualified in their entirety by this cautionary statement.

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

(403) 265-3221