DOVER, N.H.–(BUSINESS WIRE)–First Seacoast Bancorp (Nasdaq: "FSEA"), the holding company for First Seacoast Bank, announced today that the Board of Directors of its parent mutual holding company, First Seacoast Bancorp, MHC, has adopted a Plan of Conversion and Reorganization pursuant to which First Seacoast Bancorp, MHC will undertake a "second step" conversion from the mutual holding company structure to the stock holding company structure.