Mr. Gary Guidry reports

GRAN TIERRA ENERGY INC. PROVIDES RELEASE DATE FOR ITS 2023 THIRD QUARTER RESULTS AND DETAILS OF CONFERENCE CALL AND WEBCAST

Gran Tierra Energy Inc. will release its third quarter 2023 financial and operating results on Tuesday, Oct. 31, 2023, after market close. Gran Tierra will host its third quarter 2023 results conference call on Wednesday, Nov. 1, 2023, at 9 a.m. Mountain Time or 11 a.m. Eastern Time.

Interested parties may register for the conference call. Please note that there is no longer a general dial-in number to participate, and each individual party must register. Once parties have registered, they will be provided a unique PIN and call-in details. There is also a feature that allows parties to elect to be called back through the call-me function on the platform.

Interested parties can also continue to listen to the live webcast from their mobile or desktop devices by clicking on the link available on Gran Tierra's website. An audio replay of the conference call will be available two hours following the call and will be available until Oct. 31, 2024.

About Gran Tierra Energy Inc.

Gran Tierra, 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 company's portfolio. The company's common stock trades on the NYSE American, the Toronto Stock Exchange and the London Stock Exchange under the ticker symbol GTE.