Gran Tierra Energy to Host Third Quarter 2009 Results Conference Call on November 6th at 10:00 a.m. Eastern Time

Gran Tierra Energy to Host Third Quarter 2009 Results Conference Call on
November 6th at 10:00 a.m. Eastern Time

CALGARY, Oct. 29 /PRNewswire-FirstCall/ - Gran Tierra Energy Inc. (NYSE Amex:
GTE, TSX: GTE), a company focused on oil exploration and production in South
America, announced today that it will host its third quarter 2009 results
conference call on Friday, November 6th at 10:00 a.m. Eastern Time (ET). Prior
to the conference call, Gran Tierra Energy will release its financial results
at 7:00 a.m. ET.
President and CEO Dana Coffield, CFO Martin Eden, and COO Shane O'Leary will
discuss Gran Tierra Energy's financial and operating results for the quarter
and then take questions from securities analysts and institutional
shareholders.
To pre-register for this conference call, please visit:
https://www.theconferencingservice.com/prereg/key.process?key=PQUBDX7UL
Interested parties may access the conference call by dialing 1-888-713-4213
(domestic) or +1 (617) 213-4865 (international), pass code 17088675. 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. on November 13,
2009. To access the replay dial 888-286-8010 (domestic) or +1 (617) 801-6888
(international) pass code 73530543.
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 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. Investor
inquiries may be directed to info@grantierra.com or (866) 973-4873.
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 media and investor inquiries please contact David Feick, Equicom Group,
(866) 973-4873, (403) 218-2839, info@grantierra.com