Gran Tierra to List on the TSX Under the Symbol 'GTE'

Gran Tierra Energy Inc., a company focused on oil exploration and production in South America, reported that its application has been granted for the original listing of its common shares on the Toronto Stock Exchange ("TSX"). The common shares of Gran Tierra Energy will be listed and posted for trading under the symbol "GTE" on Tuesday, February 19, 2008.

"A listing on the Toronto Stock Exchange represents a significant milestone for Gran Tierra Energy, our shareholders, and our employees. We take great pride in this accomplishment which is one more step in the building of a solid foundation upon which we can continue to grow our business", commented Dana Coffield, President and Chief Executive Officer of Gran Tierra Energy. "We expect this listing will provide the opportunity to create greater visibility for "GTE," broaden our investor base, and potentially create additional liquidity for our shareholders. In the United States, the company's shares will continue to trade on the OTC Bulletin Board under the symbol "GTRE."