Davis Polk advised the representatives of the initial purchasers in connection with a Rule 144A/Regulation S offering by Gran Tierra Energy International Holdings Ltd., of $300 million aggregate principal amount of its 6.25% senior notes due 2025.

Headquartered in Calgary, Alberta, Canada, Gran Tierra Energy Inc. is an independent energy company focused on oil and natural gas exploration and production in Colombia.

The Davis Polk capital markets team included partners Joseph A. Hall, Maurice Blanco and Byron B. Rooney and associates Christopher Nairn and Andrew J. Terjesen. Partner Lucy W. Farr and associate Gil Savir provided tax advice. The environmental team included counsel David A. Zilberberg and associate Yuko Masunaga. All members of the Davis Polk team are based in the New York office.