Gran Tierra Energy Clarifies Security Incident in Colombia

          Gran Tierra Energy Clarifies Security Incident in Colombia

PR Newswire

CALGARY, Jan. 30, 2013

CALGARY, Jan. 30, 2013  /PRNewswire/ - Gran Tierra  Energy Inc. ("Gran  Tierra 
Energy") (NYSE MKT: GTE, TSX: GTE),  a company focused on oil exploration  and 
production in  South America,  clarifies  reports of  a security  incident  in 
Colombia.

Colombia

Gran Tierra  Energy confirms  that three  employees of  contractors  providing 
services to  Gran  Tierra  Energy  have been  illegally  detained  by  unknown 
individuals in  the Putumayo  Basin, Colombia.  No employees  of Gran  Tierra 
Energy were involved in the incident.

Relevant authorities have been  advised and are  managing the situation.  Gran 
Tierra Energy looks forward to the safe and secure release of the contractors.

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.

Contact:

For investor and media inquiries please contact:
Jason Crumley
Director, Investor Relations
403-265-3221
info@grantierra.com
www.grantierra.com