Davis Polk advised the representatives of the initial purchasers in connection with a Rule 144A/Regulation S offering by Gran Tierra Energy Inc. of $300 million aggregate principal amount of its 7.75% senior notes due 2027.

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 and Byron B. Rooney and associates Win Rutherfurd and David Li. Partner Lucy W. Farr and associate Liang Zhang provided tax advice. The environmental team included counsel David A. Zilberberg and associate Rachel Hoberman. All members of the Davis Polk team are based in the New York office.