Beacon Credit Union and Mid-Southern Bancorp, Inc. ("Mid-Southern Bancorp") (OTCQX: MSVB), the holding company for Mid-Southern Savings Bank, FSB ("Mid-Southern Bank"), announced today that Beacon Credit Union, Mid-Southern Bancorp and Mid-Southern Bank have signed a definitive purchase and assumption agreement whereby Beacon Credit Union will acquire substantially all of the assets and assume substantially all of the liabilities (including all of the deposit account liabilities) of Mid-Southern