GlobeNewswire Inc | Jun 3, 2021 06:00AM EDT

June 03, 2021

CALGARY, Alberta, June 03, 2021 (GLOBE NEWSWIRE) -- Gran Tierra Energy Inc. (Gran Tierra or the Company) (NYSE American:GTE) (TSX:GTE) (LSE:GTE) today announced the results of the Companys semi-annual credit facility redetermination and the voting results from its annual meeting of stockholders held on June 2, 2021.

Results of Semi-Annual Credit Facility Redetermination: The semi-annual redetermination of Gran Tierras bank-syndicated revolving credit facility has been completed, and the syndicate of lenders party to the facility has agreed to confirm the facility with no changes. The next redetermination is scheduled for November 2021.

Final Voting Results of Gran Tierras Annual Meeting of Stockholders: Stockholders elected all eight individuals nominated by Gran Tierra. In addition, stockholders voted FOR the ratification of the appointment of KPMG LLP as Gran Tierras independent registered public accounting firm for the fiscal year ending December 31, 2021, FOR the approval, on an advisory basis, of the compensation of Gran Tierras named executive officers, and FOR the approval of the 2007 Equity Incentive Plan, as amended. The detailed results of the vote are as follows:

Proposal 1 Election of Directors For % Against % Abstain Non VotesGary S. Guidry 108,336,328 92.6% 8,670,150 7.4% 14,281,873 66,720,244Peter Dey 108,030,207 93.5% 7,529,037 6.5% 15,729,107 66,720,244Evan Hazell 110,127,583 95.1% 5,646,499 4.9% 15,514,269 66,720,244Robert B. Hodgins 108,810,542 93.9% 7,084,199 6.1% 15,393,610 66,720,244Ronald Royal 110,309,757 95.1% 5,651,042 4.9% 15,327,552 66,720,244Sondra Scott 121,005,573 94.2% 7,418,539 5.8% 2,864,239 66,720,244David P. Smith 110,452,322 95.3% 5,401,104 4.7% 15,434,925 66,720,244Brooke Wade 108,887,133 94.0% 6,979,170 6.0% 15,422,048 66,720,244 Proposal 2 For % Against % Abstain Non VotesRatification ofAppointment ofthe Independent 189,164,308 96.5% 6,915,808 3.5% 1,928,479 0RegisteredPublic Accounting Firm Proposal 3 For % Against % Abstain Non VotesApproval of NamedExecutive 112,446,847 86.8% 17,087,380 13.2% 1,754,124 66,720,244Officer Compensation Proposal 4 For Against Abstain Non VotesApproval of 2007Equity 102,994,885 79.3% 26,931,958 20.7% 1,361,508 66,720,244Incentive Plan, asamended

About Gran Tierra Energy Inc.

Gran Tierra Energy Inc. together with its subsidiaries is an independent international energy company currently focused on oil and natural gas exploration and production in Colombia and Ecuador. The Company is currently developing its existing portfolio of assets in Colombia and Ecuador and will continue to pursue additional growth opportunities that would further strengthen the Companys portfolio. The Companys common stock trades on the NYSE American, the Toronto Stock Exchange and the London Stock Exchange under the ticker symbol GTE. Additional information concerning Gran Tierra is available at www.grantierra.com. Information on the Companys website (including the Sustainability Report) does not constitute a part of this press release. Investor inquiries may be directed to info@grantierra.com or (403) 265-3221.

Gran Tierras Securities and Exchange Commission filings are available on the SEC website 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 https://data.fca.org.uk/#/nsm/nationalstoragemechanism.

Contact Information

For investor and media inquiries please contact:

Gary Guidry, Chief Executive Officer

Ryan Ellson, Executive Vice President & Chief Financial Officer

Rodger Trimble, Vice President, Investor Relations

+1-403-265-3221

info@grantierra.com