Gran Tierra holders approve $1.33B sale of Colombian and Ecuadorian assets to Maurel & Prom

GRAN TIERRA ENERGY INC.

Sale Proposal approved 19,351,115 for vs 32,492 against and 7,328 abstaining; advisory compensation proposal failed 9,557,007 for to 9,658,068 against.
Total consideration ~US$1.33B including assumed debt; Gran Tierra expects ~US$315M net cash — ~US$250M at closing and ~US$65M payable 364 days later.
Closing targeted on or about December 31, 2026; remaining conditions are regulatory approvals in Colombia and Ecuador plus customary items; noteholder consents for 9.750% notes due 2031 obtained.
CEO Gary Guidry said on closing Gran Tierra expects to be debt free, with flexibility to return capital to stockholders and fund Canadian and Azerbaijan portfolios.
Special Meeting held October 9, 2026; 19,390,935 shares (54.81% of 35,380,429 outstanding) present or by proxy, constituting a quorum.

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