Diana Shipping Inc. (NYSE: DSX), (the "Company"), a global shipping company specializing in the ownership of dry bulk vessels, today announced that it has signed, through a separate wholly-owned subsidiary, a Memorandum of Agreement to sell to an unaffiliated third party, the 2006-built vessel "Sideris GS", with delivery to the buyer latest by January 20, 2021, for a sale price of US$11.5 million before commissions.