Gran Tierra Energy Inc. Appoints New Director

CALGARY, Alberta, Sept. 30, 2025 (GLOBE NEWSWIRE) -- Gran Tierra Energy Inc. (“Gran Tierra” or the “Company”) (NYSE American:GTE)(TSX:GTE)(LSE:GTE) is pleased to announce the appointment of Brad Virbitsky to the Company’s Board of Directors as an independent director, effective September 30, 2025.

• Virbitsky is a portfolio manager and partner at Equinox Partners LLC, a Connecticut-based investment firm with over 30 years of history in natural resources and emerging markets. Mr. Virbitsky has over a decade of experience working with management teams and boards to advise on long-term corporate and financial strategies. He has developed deep expertise in the global energy sector and has traveled extensively through the emerging markets conducting due diligence and assessing investment opportunities.

In addition to his role at Equinox, Mr. Virbitsky has served as a director of Crew Energy, where he represented Equinox’s significant investment and participated in the governance and audit committees, as well as the process that resulted in the successful sale of Crew to Tourmaline at a 70% premium through an all-stock corporate transaction. He also currently serves on the board of Canadian Premium Sand.

• Virbitsky earned a Bachelor of Arts in Philosophy with Honors from Princeton University, where he also obtained a Certificate in Finance from the Bendheim Center. He has also completed additional professional development including S&P valuation courses and oil and gas reserve analysis training with Sproule.

Gran Tierra’s Board Chair Robert Hodgins stated:

“We are very pleased to welcome Brad Virbitsky to Gran Tierra’s Board of Directors. He brings deep expertise in global energy markets, investment strategy, and corporate governance, developed through extensive experience working with companies across multiple regions and sectors. We believe Brad’s insights and perspectives will be highly valuable to the Board as we continue to advance Gran Tierra’s strategy and create long-term shareholder value.”

About Gran Tierra Energy Inc.