Exhibit 22 FIRST BANK SYSTEM, INC. BANKING AND NON-BANKING SUBSIDIARIES Bank and Trust Operations* -------------------------- MINNESOTA - --------- First Bank National Association First National Bank of East Grand Forks First Trust National Association ARIZONA - ------- First Trust Company of Arizona (Inactive) CALIFORNIA - ---------- First Trust of California, National Association COLORADO - -------- Colorado National Bank Colorado National Bank Aspen ILLINOIS - -------- First Bank National Association MONTANA - ------- First Bank Montana, National Association First Trust Company of Montana, National Association NEW YORK - -------- First Trust of New York, National Association NORTH DAKOTA - ------------ First Bank of North Dakota, National Association First Trust Company of North Dakota, National Association SOUTH DAKOTA - ------------ First Bank of South Dakota (National Association) WASHINGTON - ---------- First Trust Washington WISCONSIN - --------- First Bank (N.A.) NON-BANKING SUBSIDIARIES ------------------------ State of Subsidiary Incorporation - ---------- ------------- FBS Associated Properties, Inc. Minnesota FBS Capital Markets Limited - (Inactive) Great Britain FBS Card Services, Inc. Minnesota FBS Cayman Ltd. - (Inactive) Cayman Islands FBS Community Development Corporation Minnesota FBS Credit Services, Inc. Minnesota FBS Information Services Corporation Minnesota FBS Portfolio, Inc. Minnesota FBS Trade Services Limited Hong Kong FBS Venture Capital Corporation Minnesota First Bank System Foundation Minnesota First Building Corporation Minnesota First Group Royalties, Inc. Minnesota First System Agencies, Inc. Delaware First System Services, Inc. Minnesota Marquette Information Services, Inc. Minnesota Marquette Insurance Agency, Inc. Minnesota Colorado National Bankshares, Inc. Colorado Boulevard Bancorp, Inc. Delaware Boulevard Technical Services, Incorporated Illinois