Feb 29 (Reuters) - Gran Tierra Energy Inc GTE.TO :
* Announces fourth quarter and year-end results for 2015
* Qtrly loss per share $0.29
* Qtrly oil and gas sales $54.8 million versus $98.9 million
* Says is expecting 2016 WI exit production of 29,000 to 30,000 boepd
* Future operating cost cuts expected as Gran Tierra installs third-party
natural gas fueled power generation in Costayaco Field
* Q4 earnings per share view $-0.04, revenue view $71.7 million -- Thomson
Reuters I/B/E/S
* Source text for Eikon Further company coverage GTE.TO