REG-Gran Tierra Energy Inc. Provides Release Date for its 2025 Fourth Quarter & Year End Results and Details of Conference Call and Webcast

Gran Tierra EnergyAnnouncement

24/02/2026 22:30

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CALGARY, Alberta, Feb. 24, 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 2025 fourth quarter and year ended
December 31, 2025, financial and operating results on Tuesday, March 3, 2026,
after market close. Gran Tierra will host its conference call on Wednesday,
March 4, 2026, at 9:00 a.m. Mountain Time, 11:00 a.m. Eastern Time and 4:00
p.m. Greenwich Mean Time.

Interested parties may register for the conference call by clicking on this
link
(https://www.globenewswire.com/Tracker?data=H9zdSH5c9LGkUxiZZjXLEnOEZqPdskEkbtTVFDTDs0bVhU9dp1yRlTbZGagMxcxXzv8ZiPe8uVHmb98fdvKUMstQXPayDlypzBl5m8IZincuCILzBmlui4YzRqzR7EDrQLkznRgyf9x6Wn3EqRX5Q-otGOgzWLBkcf6sVRzfseE=).
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 link
(https://www.globenewswire.com/Tracker?data=H9zdSH5c9LGkUxiZZjXLEt0ptYZQVoLbFKTMsLAuE_KJzJZbupzLJfuNhcinAlIKde6V0k5h-8gGsZe3nztWhiqgnSKV2SYAXRwbm0tKG4s=),
which is also available on Gran Tierra's website at
https://www.grantierra.com/investor-relations/presentations-events/. 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 March 4, 2027.

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 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 (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. The
Company’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.

Contact Information

For investor and media inquiries please contact:

Gary Guidry
President & Chief Executive Officer

Ryan Ellson
Executive Vice President & Chief Financial Officer
+1-403-265-3221, info@grantierra.com