EXHIBIT 21 AMBANC CORP. LIST OF SUBSIDIARIES 1. AmBank Indiana, N.A., Vincennes, Indiana, is a wholly owned subsidiary of AMBANC Corp. and is a national banking association. 2. AmBank Illinois, N.A., Robinson, Illinois, is a wholly owned subsidiary of AMBANC Corp. and is a national banking association. 3. American National Realty Corp. is a wholly owned subsidiary of AMBANC Corp. and is incorporated under the laws of the State of Indiana.