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. Marine's 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 www.marps-marine.com/. Additionally, printed reports can be requested and are mailed free of charge.