<img src="https://ml.globenewswire.com/Resource/Download/816ac1b1-2e12-4a8a-904d-9b98ddf3ac03?size=2" nborder="0" align="left" hspace="5" vspace="5" title="GRANTIERRA_LOGO2018-RGB.png" alt="Gran Tierra Energy Inc."/>CALGARY, Alberta, July 28, 2026 (GLOBE NEWSWIRE) -- Gran Tierra Energy Inc. (“Gran Tierra” or the “Company”) (NYSE American:GTE)(TSX:GTE)(LSE:GTE) announces that the Company will release its 2026 second quarter financial and operating results on Tuesday, August 4, 2026, post-market. Gran Tierra will host its second quarter 2026 results conference call on Wednesday, August 5, 2026, at 9:00 a.m. Mountain Time, 11:00 a.m. Eastern Time. How to Participate in the 2026 Second Quarter Conference Call Interested parties may register for the 2026 second quarter conference call by clicking on this <a href="https://www.globenewswire.com/Tracker?data=Uh1ZJb8nxxeXkIvOYSridlS28bQjZwHgZNRcUyT3-9nve0vTg7pj45vIuVD_1ACYcgVfPy0J5LiiHBjsKbR1t6bEzjZE_kZ3XFmSk5basm8ZTuDYOZMujM1hBSrDw3Mq4ml7_P5cEozGwtomF0nKzsf_GtePQqgx4KLbQXBOvsc=" rel="nofollow" target="_blank" title="link">link</a>. Please note that there is no longer a general dial-in number to participate, and each individual party must register through the provided link. 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 access the live webcast from their mobile or desktop devices by clicking on this <a href="https://www.globenewswire.com/Tracker?data=Uh1ZJb8nxxeXkIvOYSridmnK8mbh2LanohuY8EIgjE_KMgeH14Puc-JlWbPdIoVXnZXxFLtvTWHpGGOtU7xpaB6vFYRDXYCzGrXynnYsbDo=" rel="nofollow" target="_blank" title="link">link</a>, which is also available on Gran Tierra's website at <a href="https://www.globenewswire.com/Tracker?data=Vx8q8EK1S8AmvIbqSyij71rSJWeU2AkrUbB2JTAVC56upWoQKjIfs61JVKCcHVUiDfOw67pYqHq0hQJ-xkGfnFxlKgib2v_OSMDdNhK1p8DBkr3RKz9i41lSPeuOwrANCqXwbcwAzhQ2pScqi32AUo8O-3y0x4HmrgtFFbgiKLLJHyErb80rtITUrcxhL3Dn7cexV2ydLHiqFvfboyrC2xTtrC4QPfLVOkZNhWq_PAA=" rel="nofollow" target="_blank" title="">https://www.grantierra.com/investor-relations/presentations-events/</a>. An audio replay of the conference call will be available at the same webcast link two hours following the call and will be available until August 5, 2027. Contact Information For investor and media inquiries please contact: Gary Guidry President &amp; Chief Executive Officer Ryan Ellson Executive Vice President &amp; Chief Financial Officer +1 (403) 265-3221 info@grantierra.com 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 Canada, Colombia and Ecuador. The Company is currently developing its existing portfolio of assets in Canada, Colombia and Ecuador; however, we have recently entered into an exploration, development and production sharing agreement with the State Oil Company of the Azerbaijan Republic (“SOCAR”) and may eventually expand our operations into Azerbaijan and will continue to pursue additional new 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. Except to the extent expressly stated otherwise, information on the Company’s website or accessible from our website or any other website is not incorporated by reference into and should not be considered part of this press release. Investor inquiries may be directed to info@grantierra.com or +1 (403) 265-3221. Gran Tierra’s filings with the U.S. Securities and Exchange Commission (the “SEC”) are available on the SEC website at http://www.sec.gov. Gran Tierra’s Canadian securities regulatory filings are available on SEDAR+ at http://www.sedarplus.ca and UK regulatory filings are available on the National Storage Mechanism website at https://data.fca.org.uk/#/nsm/nationalstoragemechanism. <img alt="" src='https://ml.globenewswire.com/media/NjQ1YTJkZjctZTA5Zi00YmQ0LWFiMmMtM2ExYWQ1MTZjODRkLTEwMjAwMjEtMjAyNi0wNy0yOC1lbg==/tiny/Gran-Tierra-Energy-Inc-.png' referrerpolicy='no-referrer-when-downgrade' />

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Gran Tierra Energy Inc. Provides Release Date for its 2026 Second Quarter Results

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