09:52 AM EST - Gran Tierra Energy Inc. : said average daily consolidated light and medium crude oil and natural gas production net after royalty (NAR) before inventory adjustments for the three months ended March 31, increased 21% to approximately 21,860 barrels of oil equivalent per day NAR compared with 18,148 barrels of oil equivalent per day NAR for the corresponding period in 2012. Gran Tierra Energy Inc.
shares T.GTE are trading up $0.13 at $5.65.
