CALGARY, Alberta, May 28, 2024 (GLOBE NEWSWIRE) -- Gran Tierra Energy Inc. ("Gran Tierra" or the "Company") (NYSE American:GTE) (TSX:GTE) (LSE:GTE) today announced an operational update. All dollar amounts are in United States dollars, and production amounts are on an average working interest before royalties ("WI") basis unless otherwise indicated. Per barrel ("bbl") and bbl of oil per day ("BOPD") amounts are based on WI sales before royalties. Message to Shareholders Gary Guidry, President and Chief Exec ...