CFS Bancorp, Inc. serves as the holding company for Citizens Financial Services, FSB (the Bank). The Bank is a federally chartered stock savings bank that was originally organized in 1934. It is primarily engaged in attracting deposits from the general public and using those funds to originate loans and invest in securities. Citizens Financial Services, FSB operates out of its headquarters in Munster, Indiana, which is located in Lake County in northwest Indiana. The Bank also maintains 23 banking centers in Lake and Porter counties in northwest Indiana and in Cook, DuPage and Will counties in Illinois. The areas served by the Bank are part of the Chicago metropolitan statistical area (MSA).