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Form DEFA14A GRAN TIERRA ENERGY INC.

Wed, 07 Oct 2026 17:07:00 -0400

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Gran Tierra Energy Inc. Announces Ratification of its Onshore Exploration, Development and Production Sharing Agreement in Azerbaijan

Mon, 05 Oct 2026 17:07:00 -0400

CALGARY, Alberta, Oct. 05, 2026 (GLOBE NEWSWIRE) -- Gran Tierra Energy Inc. (“Gran Tierra” or the “Company”) (NYSE American:GTE)(TSX:GTE)(LSE:GTE) is pleased to announce that the Milli Majlis, the Parliament of the Republic of Azerbaijan, has ratified the exploration, development and production sharing agreement (the “EDPSA”) for the onshore Guba-Khazaryani region (the “Contract Area”) that the Company signed with the State Oil Company of the Republic of Azerbaijan on February 18, 2026.

“We would like to thank our partner, the State Oil Company of the Republic of Azerbaijan, the Government of the Republic of Azerbaijan and

Gran Tierra Energy Inc. Announces Ratification of its Onshore Exploration, Development and Production Sharing Agreement in Azerbaijan

Mon, 05 Oct 2026 17:07:00 -0400

“We would like to thank our partner, the State Oil Company of the Republic of Azerbaijan, the Government of the Republic of Azerbaijan and

Form 4/A GRAN TIERRA ENERGY INC. For: Oct 01 Filed by: Morin Sebastien

Mon, 05 Oct 2026 13:55:00 -0400

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Form 4 GRAN TIERRA ENERGY INC. For: Oct 01 Filed by: Abraham Phillip D

Fri, 02 Oct 2026 18:13:00 -0400

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Form 4 GRAN TIERRA ENERGY INC. For: Sep 30 Filed by: Abraham Phillip D

Fri, 02 Oct 2026 18:12:00 -0400

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Form 4 GRAN TIERRA ENERGY INC. For: Oct 01 Filed by: Morin Sebastien

Fri, 02 Oct 2026 18:11:00 -0400

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Form 4 GRAN TIERRA ENERGY INC. For: Oct 01 Filed by: Evans Jim

Fri, 02 Oct 2026 18:10:00 -0400

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Form 4 GRAN TIERRA ENERGY INC. For: Oct 01 Filed by: Guidry Gary

Fri, 02 Oct 2026 18:10:00 -0400

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Form 4 GRAN TIERRA ENERGY INC. For: Sep 24 Filed by: Wade Brooke N.

Mon, 28 Sep 2026 19:49:00 -0400

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Form DEFA14A GRAN TIERRA ENERGY INC.

Wed, 23 Sep 2026 14:01:00 -0400

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Gran Tierra Energy Inc. Announces Filing of Definitive Proxy Statement for Special Meeting of Stockholders to Consider Approval of Sale of Colombian and Ecuadorian Businesses

Wed, 23 Sep 2026 11:56:00 -0400

CALGARY, Alberta, Sept. 23, 2026 (GLOBE NEWSWIRE) -- Gran Tierra Energy Inc. ("Gran Tierra" or the "Company") (NYSE American:GTE) (TSX:GTE) (LSE:GTE) announces that it filed its definitive proxy statement (the "Proxy Statement") with the U.S. Securities and Exchange Commission (the "SEC") on September 15, 2026 in connection with the Company's special meeting of stockholders (the "Special Meeting"). At the Special Meeting, stockholders will be asked to approve the previously announced sale of Gran Tierra's Colombian and Ecuadorian businesses to Maurel & Prom for total consideration of approximately $1.33 billion, subject to adjustment (the "Sale"), pursuant to the

Gran Tierra Energy Inc. Announces Filing of Definitive Proxy Statement for Special Meeting of Stockholders to Consider Approval of Sale of Colombian and Ecuadorian Businesses

Wed, 23 Sep 2026 11:56:00 -0400

Gran Tierra Energy Inc. Announces Results of the Previously Announced Solicitation of Consents to Proposed Amendments to the Indenture Governing its Senior Secured Amortizing Notes due 2031

Tue, 22 Sep 2026 17:11:00 -0400

CALGARY, Alberta, Sept. 22, 2026 (GLOBE NEWSWIRE) -- Gran Tierra Energy Inc. (“Gran Tierra” or the “Company”) (NYSE American: GTE) (TSX:GTE) (LSE:GTE) today announced the results of its previously announced solicitation (the “Consent Solicitation”) of consents (the “Consents”) from Holders of its 9.750% Senior Secured Amortizing Notes due 2031 (the “Notes”) to effect certain proposed amendments (the “Proposed Amendments”) to the indenture dated as of February 18, 2026, under which the Notes were issued (the “Indenture”), pursuant to the terms and subject to the conditions set forth in the Consent Solicitation Statement, dated September 11, 2026 (the

Gran Tierra Energy Inc. Announces Results of the Previously Announced Solicitation of Consents to Proposed Amendments to the Indenture Governing its Senior Secured Amortizing Notes due 2031

Tue, 22 Sep 2026 17:11:00 -0400

Form 4 GRAN TIERRA ENERGY INC. For: Sep 17 Filed by: Guidry Gary

Mon, 21 Sep 2026 16:36:00 -0400

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Form 4 GRAN TIERRA ENERGY INC. For: Sep 17 Filed by: Morin Sebastien

Mon, 21 Sep 2026 16:35:00 -0400

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Form 4 GRAN TIERRA ENERGY INC. For: Sep 17 Filed by: Evans Jim

Mon, 21 Sep 2026 16:35:00 -0400

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Form 4 GRAN TIERRA ENERGY INC. For: Sep 17 Filed by: Abraham Phillip D

Mon, 21 Sep 2026 16:32:00 -0400

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Form 4 GRAN TIERRA ENERGY INC. For: Sep 15 Filed by: Redford Alison

Thu, 17 Sep 2026 20:35:00 -0400

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Form SCHEDULE 13G/A GRAN TIERRA ENERGY INC. Filed by: Equinox Partners Investment Management LLC

Thu, 17 Sep 2026 16:41:00 -0400

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Form DEFM14A GRAN TIERRA ENERGY INC.

Tue, 15 Sep 2026 06:08:00 -0400

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Gran Tierra Energy Inc. Announces Consent Solicitation for Senior Secured Amortizing Notes due 2031

Fri, 11 Sep 2026 15:20:00 -0400

CALGARY, Alberta, Sept. 11, 2026 (GLOBE NEWSWIRE) -- Gran Tierra Energy Inc. (“Gran Tierra” or the “Company”) (NYSE American:GTE) (TSX:GTE) (LSE: GTE) today announced that it is conducting a solicitation (the “Consent Solicitation”) of consents (the “Consents”) from Holders of its 9.750% Senior Secured Amortizing Notes due 2031 (the “Notes”) to effect certain proposed amendments (the “Proposed Amendments”) to the indenture dated as of February 18, 2026, under which the Notes were issued (the “Indenture”), pursuant to the terms and subject to the conditions set forth in the Consent Solicitation Statement, dated September 11, 2026 (the “Consent

Gran Tierra Energy Inc. Announces Consent Solicitation for Senior Secured Amortizing Notes due 2031

Fri, 11 Sep 2026 15:20:00 -0400

CALGARY, Alberta, Sept. 11, 2026 (GLOBE NEWSWIRE) -- Gran Tierra Energy Inc. (“Gran Tierra” or the “Company”) (NYSE American:GTE) (TSX:GTE) (LSE: GTE) today announced that it is conducting a solicitation (the “Consent Solicitation”) of consents (the “Consents”) from Holders of its 9.750% Senior Secured Amortizing Notes due 2031 (the “Notes”) to effect certain proposed amendments (the “Proposed Amendments”) to the indenture dated as of February 18, 2026, under which the Notes were issued (the “Indenture”), pursuant to the terms and subject to the conditions set forth in the Consent Solicitation Statement, dated September 11, 2026 (the “Consent

Gran Tierra Energy Inc. Announces Consent Solicitation for Senior Secured Amortizing Notes due 2031

Fri, 11 Sep 2026 15:20:00 -0400

CALGARY, Alberta, Sept. 11, 2026 (GLOBE NEWSWIRE) -- Gran Tierra Energy Inc. (“Gran Tierra” or the “Company”) (NYSE American:GTE) (TSX:GTE) (LSE: GTE) today announced that it is conducting a solicitation (the “Consent Solicitation”) of consents (the “Consents”) from Holders of its 9.750% Senior Secured Amortizing Notes due 2031 (the “Notes”) to effect certain proposed amendments (the “Proposed Amendments”) to the indenture dated as of February 18, 2026, under which the Notes were issued (the “Indenture”), pursuant to the terms and subject to the conditions set forth in the Consent Solicitation Statement, dated September 11, 2026 (the “Consent