FirstMerit Corporation (FirstMerit) is a bank holding company. The Company’s principal business consists of owning and supervising its affiliates. As of December 31, 2013, FirstMerit Bank, N.A. (FirstMerit Bank), the Company’s principal subsidiary, operated a network of 404 banking offices and 431 automated teller machines (ATMs). FirstMerit operates primarily through FirstMerit Bank and its other subsidiaries, providing a range of banking, fiduciary, financial, insurance and investment services to corporate, institutional and individual customers throughout Ohio, Western Pennsylvania and Chicago, Illinois. The Company’s lines of business are commercial, retail, wealth and other. Banking services are primarily provided by FirstMerit’s national banking subsidiary, FirstMerit Bank. FirstMerit Bank's trust department offers wealth management and trust services. In April 2013, it consummated its acquisition of Flint, Michigan-based Citizens Republic Bancorp Inc.