EXHIBIT 21 SUBSIDIARIES OF THE CORPORATION The following bank subsidiary is a national bank and is organized under the laws of the United States: First National Bank in Manitowoc The following non-bank subsidiary is organized under the laws of the State of Wisconsin and is a subsidiary of First National Bank in Manitowoc: United Financial Services, Inc. (data center subsidiary) Insurance Center of Manitowoc, Inc. (insurance agency subsidiary) The following non-bank subsidiary is organized under the laws of the State of Nevada and is a subsidiary of First National Bank in Manitowoc: FNBM Investment Corp. (investment subsidiary)