 DALLAS, May 18, 2021 PRNewswire -- Marine Petroleum Trust NASDAQ: MARPS Marine today declared a quarterly cash distribution to the holders of its units of beneficial interest of 0.028228 per unit, payable on June 28, 2021, to unitholders of record on May 28, 2021. Marines 2020 tax information, cash distribution history, current and prior year financial reports, a link to filings made with the Securities and Exchange Commission and more can be found on its website at 