Guidry Gary Acquires Gran Tierra Energy Inc. Common Stock

Gary Guidry, President and CEO of Gran Tierra Energy Inc., acquired 547 shares of the company's common stock on April 16, 2026, through the Gran Tierra Inc. Employee Stock Purchase Plan. This transaction was exempt under Rule 16b-3(d) and Rule 16b-3(c). The acquisition price was 7.78 Canadian dollars per share, which was converted to U.S. currency. Following this transaction, Guidry holds 504,243 shares of common stock. The filing is a Form 4, indicating a change in beneficial ownership.