Exhibit 99.1 United Maritime Reports First Quarter 2023 Financial Results and Declares Quarterly Dividend of 0.075PerShareFinancialHighlightsoftheFirstQuarterof2023:OtherHighlightsandDevelopments:May18,2023−Glyfada,Greece–UnitedMaritimeCorporation("United"orthe"Company")(NASDAQ:USEA),announcedtodayitsfinancialresultsforthefirstquarterendedMarch31,2023anddeclaredaquarterlydividendof0.075 per share for the first quarter of 2023. For the quarter ended March 3 ...