Gran Tierra Energy Inc. Provides Operational Update - Seite 2

	Average Production Test Rates over Period
Well Name	Oil (BOPD)		Watercut (%)		Gas-Oil Ratio (scf*/bbl)		Producing Zones
CYC-54	1,464		41		137		Villeta & Caballos

^{*scf = standard cubic feet}

Second Quarter 2023 Financial Results: Gran Tierra will release second quarter financial results post-market on August 1, 2023, followed by a conference call the following day. Additional details, including how to participate in the conference call, will be press released during the week of July 24, 2023.

_{¹Gran Tierra's total 2023 year-to-date average production is for the period of January 1, 2023, to July 11, 2023.
²Gran Tierra's total current average production is for the period of July 1, 2023, to July 11, 2023.}

Corporate Presentation:

Gran Tierra’s Corporate Presentation is available on the Company website at www.grantierra.com.

Contact Information:

For investor and media inquiries please contact:

Gary Guidry
President & Chief Executive Officer

Ryan Ellson
Executive Vice President & Chief Financial Officer

Rodger Trimble
Vice President, Investor Relations

[phone]
[e-mail]

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 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. Additional information concerning Gran Tierra is available at www.grantierra.com. Information on the Company’s website (including the Corporate Presentation referenced above) does not constitute a part of this press release. Investor inquiries may be directed to [e-mail] or [phone].