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 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 Bank Washington * WISCONSIN - --------- First Bank (N.A.) ARIZONA - ------- First Trust Company of Arizona (Inactive) MONTANA - ------- First Bank Montana, National Association First Trust Company of Montana, National Association COLORADO - -------- Colorado National Bank Colorado National Bank Aspen <FN> * These entities are national banking associations with the exception of First Bank Washington, which is a state banking association. 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. Cayman Islands FBS Community Development Corporation Minnesota FBS Credit Services, Inc. Minnesota FBS Information Services Corporation Minnesota FBS Portfolio, Inc. Minnesota FBS Venture Capital Corporation Minnesota FBS Washington Bancorporation Minnesota First Bank System Foundation Minnesota First Building Corporation Minnesota First Group Royalties, Inc. Minnesota First System Agencies, Inc. Delaware First System Agencies of Montana, Inc. Montana First System Services, Inc. Minnesota Marquette Information Services, Inc. Minnesota Marquette Insurance Agency, Inc. Minnesota Colorado National Bankshares, Inc. Colorado