18 January 2010

Gran Tierra Energy Announces Upcoming Conference Schedule

CALGARY, Alberta, January 18, 2010, Gran Tierra Energy Inc. (NYSE Amex: GTE, TSX: GTE), a company focused on oil exploration and production in South America, today announced its upcoming investor conference schedule and live webcast events.

Mr. Dana Coffield, the Company’s President and Chief Executive Officer, will be presenting at the IPAA Oil and Gas Investment Symposium, taking place at the Westin Diplomat Resort & Spa, Hollywood, Florida, on January 20, 2010 at 2:30pm ET, in the Diplomat Ballroom 3.

The live webcast presentation will be available at the link below:

Mr. Shane O’Leary, the Company’s Chief Operating Officer, will be presenting at the CIBC World Markets Institutional Investor Conference, taking place at the Fairmont Chateau Whistler, Whistler, BC, on January 21, 2010 at 10:35am PT, in the MacDonald D room.

The live webcast presentation will be available at the link below:

The webcasts will be available for 30 days after the conference.

About Gran Tierra Energy Inc.

Gran Tierra Energy Inc. is an international oil and gas exploration and production company, headquartered in Calgary, Canada, incorporated in the United States, trading on the NYSE Amex Exchange (GTE) and the Toronto Stock Exchange (GTE), and operating in South America. Gran Tierra Energy holds interests in producing and prospective properties in Argentina, Colombia and Peru, and has opened a business development office in Rio de Janeiro, Brazil. Gran Tierra Energy has a strategy that focuses on establishing a portfolio of producing properties, plus production enhancement and exploration opportunities to provide a base for future growth. Additional information concerning Gran Tierra Energy is available at www.grantierra.com.

Contact Information

For media and investor inquiries please contact David Feick, Equicom Group, 866-973-4873, 403-218-2862, info@grantierra.com.