CALGARY, Alberta, Sept. 18, 2024 (GLOBE NEWSWIRE) -- Gran Tierra Energy Inc. ("Gran Tierra" or the "Company") (NYSE American:GTE)(TSX:GTE)(LSE:GTE) today announced that it has completed its previously announced offering of an additional $150 million aggregate principal amount of its previously issued 9.500% Senior Secured Amortizing Notes due 2029 (the "Notes") in a private placement to persons reasonably believed to be qualified institutional buyers in the United States pursuant to Rule 144A under the Secu ...