Gran Tierra Energy to present at RBC Capital Markets Global Energy and Power Conference on June 1st, 2009

Gran Tierra Energy Inc. (NYSE Amex: GTE, TSX: GTE), a company focused on oil exploration and production in South America, today announced that Dana Coffield, the company's President and Chief Executive Officer, will be presenting at RBC Capital Market's Global Energy and Power Conference at the Ritz Carlton New York, Battery Park, on June 1st, 2009.

Dana Coffield will participate in the Latin America panel discussion entitled "Riding the Upstream Spending Wave" between 10:50 a.m. and 11:55 a.m. Eastern Daylight Time (EDT), in Salon 1. The webcast link for this panel discussion is:

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    http://www.wsw.com/webcast/rbc102/panel3

    This audio only webcast will be available for 30 days after the
    conference.
    >>

In addition, a breakout session with Dana Coffield will take place between 2:55 p.m. and 3:25 p.m. EDT in the Liberty room for conference participants that wish to learn more about Gran Tierra Energy. The breakout session will not be webcast.

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. 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.

SOURCE: Gran Tierra Energy Inc.

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