1 From: Brad Virbitsky Sent: March 12, 2026 10:41 AM To: Bob Hodgins Cc: Eva Di Diodoro Subject: [EXTERNAL] Board resignation - Brad Virbitsky EXTERNAL EMAIL: This email originated from outside of the organization - do not click links or open attachments unless you recognize the sender and know the content is safe. 3/12/2026 Chair of the Board Gran Tierra Dear Bob, I'm writing to formally resign from my position as a member of the Board of Directors of Gran Tierra, effective immediately. I strongly disagree with the decision of the audit committee to end the third party investigation of the whistleblower complaint and handle it internally. Sincerely, Brad Virbitsky

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