CALGARY, Sept. 9, 2011 /PRNewswire/ - Gran Tierra Energy Inc. (NYSE Amex: GTE) (TSX: GTE), a company focused on oil and gas exploration and production in South America, today announced its upcoming investor conference schedule. Mr. Dana Coffield, Gran Tierra Energy's President and Chief Executive Officer, will be presenting at the Raymond James Investing in Colombia Conference, taking place at the Le Méridien King Edward Hotel in Toronto, Ontario, on September, 14, 2011 at 10:00 AM Eastern Time. Also, Mr. Coffield will be presenting at the Peters & Co. Limited North American Oil & Gas Conference, taking place at The Four Seasons Hotel in Toronto, Ontario, on September 15, 2011 at 8:00 AM Eastern Time. Mr. Martin Eden, Gran Tierra Energy's Chief Financial Officer, will be presenting at the FirstEnergy / Société Générale Global Energy Conference, taking place at the the InterContinental Park Lane Hotel, London, England, on September 20, 2011 at 9:35 AM Greenwich Mean Time. Mr. Shane O'Leary, Gran Tierra Energy's Chief Operating Officer, will be presenting at the Independent Petroleum Association of America Oil & Gas Investment Symposium, taking place at The Palace Hotel in San Francisco, California, on September 27, 2011 at 9:10 AM Pacific Time. 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, Peru and 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. Gran Tierra Energy's Securities and Exchange Commission filings are available on a web site maintained by the Securities and Exchange Commission at http://www.sec.gov and on SEDAR at http://www.sedar.com. SOURCE Gran Tierra Energy Inc.