Gran Tierra stockholders back sale of Colombia, Ecuador businesses to Maurel & Prom for about US$1.33 billion

• Gran Tierra stockholders backed the sale of its Colombia and Ecuador businesses to Maurel & Prom for about US$1.33 billion.
• Consideration includes debt assumption and adjustments; expected net cash proceeds total about US$315 million.
• Closing payment expected at about US$250 million, with about US$65 million due 364 days later.
• Transaction conditions now center on regulatory approvals in Colombia and Ecuador; targeted closing remains around Dec. 31, 2026.
• A share repurchase is contemplated using part of proceeds, subject to completion; Gran Tierra expects to be debt-free at closing.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Gran Tierra Energy Inc. published the original content used to generate this news brief via GlobeNewswire (Ref. ID: 202610091708PRIMZONEFULLFEED9843267) on October 09, 2026, and is solely responsible for the information contained therein.