Gran Tierra Energy to Host Second Quarter 2012 Results Conference Call

CALGARY, July 30, 2012 /CNW/ - Gran Tierra Energy Inc. (NYSE MKT: GTE) (TSX: GTE) ("Gran Tierra Energy"), a company focused on oil and gas exploration and production in South America, today announced that it will host its 2012 second quarter results conference call on August 7, 2012 at 1:00 pm Eastern Time.

President and CEO Dana Coffield, COO Shane O'Leary, and CFO James Rozon will discuss Gran Tierra Energy's financial and operating results for the quarter and then take questions from securities analysts and institutional shareholders.

Interested parties may access the conference call by dialing 1 [phone] (domestic) or 1 [phone] (international), passcode 32994248. The call will also be available via web cast at www.grantierra.com, www.streetevents.com, or www.fulldisclosure.com. The web cast will be available on Gran Tierra Energy's website until the next earnings call.

If you are unable to participate, an audio replay of the call will be available beginning two hours after the call until 11:59 p.m. Eastern Time on August 21, 2012. To access the replay dial 1 [phone] (domestic) or 1 [phone] (international) pass code 32994248.

Please connect at least 15 minutes prior to the conference call to ensure adequate time for any software to download that may be required to join the webcast.

About Gran Tierra Energy Inc.

Gran Tierra Energy is an international oil and gas exploration and production company, headquartered in Calgary, Canada, incorporated in the United States, trading on the NYSE MKT (GTE) and the Toronto Stock Exchange (GTE), and operating in South America. Gran Tierra Energy holds interests in producing and prospective properties in Colombia, Argentina, 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.

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.

For investor and media inquiries please contact:

Jason Crumley
Director, Investor Relations
403-265-3221
[email protected]