CALGARY, Alberta, Jan. 29, 2026 (GLOBE NEWSWIRE) -- Gran Tierra Energy Inc. (“Gran Tierra” or the “Company”) (NYSE American:GTE)(TSX:GTE)(LSE:GTE) today announced the commencement of an offer to Eligible Holders (as defined herein) to exchange (such offer, the “Exchange Offer”) any and all of the Company’s outstanding 9.500% Senior Notes due 2029 (CUSIP: 38500T AC5 / U37016 AC3; ISIN: US38500TAC53 / USU37016AC37) (the “Existing Notes”) for newly issued 9.500% Senior Secured Notes due 2031 (the “New Notes”), ...