Gran Tierra Energy stockholders re-elect five directors, ratify KPMG, approve say-on-pay

Proposal 2 - Ratification of Appointment of Independent Registered Public Accounting Firm Gran Tierra’s stockholders ratified the selection of KPMG LLP as Gran Tierra’s independent registered public accounting firm for the fiscal year ending December 31, 2026. The tabulation of votes on this matter was as follows: Shares voted for: 17,093,544 Shares voted against: 5,687,961 Shares abstaining: 28,484 Broker non-votes: 0

Proposal 3 – Advisory Vote to Approve Named Executive Officer Compensation Gran Tierra’s stockholders approved, on an advisory basis, the compensation of Gran Tierra’s named executive officers, as disclosed in the Proxy Statement. The tabulation of votes on this matter was as follows: Shares voted for: 12,483,761 Shares voted against: 5,918,465 Shares abstaining: 97,513 Broker non-votes: 4,310,250

Proposal 1 - Election of Directors Gran Tierra’s stockholders duly elected each of the five nominees proposed by Gran Tierra to serve until Gran Tierra’s 2027 Annual Meeting of Stockholders or until their respective successor has been duly elected and qualified. The tabulation of votes on this matter was as follows: Nominee Shares Voted For Shares Voted Against Shares Abstaining Broker Non-Votes Gary S. Guidry 12,614,259 5,823,845 61,635 4,310,250 Robert B. Hodgins 12,644,729 5,805,015 49,995 4,310,250 Alison Redford 12,559,307 5,852,219 88,213 4,310,250 Ronald W. Royal 12,498,040 5,932,519 69,180 4,310,250 Brooke Wade 12,558,581 5,857,907 83,251 4,310,250