 Ottawa, Ill., Sept. 27, 2021 GLOBE NEWSWIRE -- Ottawa Bancorp, Inc. the Company OTCQX: OTTW, the holding company for Ottawa Savings Bank, FSB the Bank, today announced that the Bank has converted from a federally-chartered savings bank to an Illinois-chartered commercial bank. In connection with the charter conversion, the Bank has changed its name to OSB Community Bank and the Company has converted from a savings and loan holding company to a bank holding company. 