EXHIBIT (21) FIRST INTERSTATE BANCORP SUBSIDIARIES OF THE REGISTRANT The following is a list of the consolidated subsidiaries of the Corporation as of December 31, 1995 with each name followed by the headquarters location, percentage of its voting securities owned by the Corporation, indication of Federal Reserve Bank membership and FRB district. Beneath the names of certain subsidiaries are the names of their subsidiaries followed by the percentage of voting securities owned by their parent. The Corporation has no parent within the meaning of section 12b-2 of the Securities and Exchange Act of 1934. First Interstate Bank of Alaska, N.A., Anchorage, Alaska 100% M 12 (Incorporated under the National Bank Act) 	 	First Interstate Annuities, Inc. (Alaska), Anchorage, Alaska 100% 	(Incorporated in Alaska) First Interstate Bank of Arizona, N.A., Phoenix, Arizona 100% M 12 (Incorporated under the National Bank Act) 	 	First Interstate Insurance Agency, Phoenix, Arizona 100% 	(Incorporated in Arizona) 	 	First Interstate Investments, Inc., Phoenix, Arizona 100% 	(Incorporated in Arizona) 		 		First Interstate Annuities, Inc. (Montana), Kalispell, Montana 100% 		(Incorporated in Montana) 		 		First Interstate Annuities, Inc. (Nevada), Las Vegas, Nevada 100% 		(Incorporated in Nevada) 		 		First Interstate Annuities, Inc. (Oregon), Tigard, Oregon 100% 		(Incorporated in Oregon) 		 		First Interstate Annuities, Inc. (Washington), Bellevue, Washington 100% 		(Incorporated in Washington) 		 		First Interstate Annuities, Inc. (Wyoming), Casper, Wyoming 100% 		(Incorporated in Wyoming) 	 	First Interstate Leasing Corp., Phoenix, Arizona 100% 	(Incorporated in Arizona) 	 	First Interstate Management Services Co., Scottsdale, Arizona 100% 	(Incorporated in Arizona) 	 	First Interstate Mortgage Holding Co., Phoenix, Arizona 100% 	(Incorporated in Arizona) 	 First Interstate Bank of California, Los Angeles, California 100% M 12 (Incorporated in California) 	 	Central Valley Security Corp., Los Angeles, California 100% 	(Incorporated in California) 	EZG Associates Limited Partnership, Los Angeles, California 94% 	(Incorporated in Delaware) 	First Interstate Capital Management, Inc., Los Angeles, California 100% 	(Incorporated in California) 		 		First Interstate Portfolio Lending Services, Inc. , Los Angeles, California 100% 		(Incorporated in California) 		 	First Interstate Mortgage Co., Pasadena, California 100% 	(Incorporated in California) 	First Interstate Southwest Corp., Houston, Texas 100% 	(Incorporated in California) 	 	Stonegate Partners, Inc., Los Angeles, California 100% 	(Incorporated in California) 	T.M.M. Realty Services, Los Angeles, California 100% 	(Incorporated in California) 	United California Bank Realty Corp., Los Angeles, California 100% 	(Incorporated in California) 		EZG Associates Limited Partnership, Los Angeles, California 6% 		(Incorporated in Delaware) 		First Interstate Bancard Co., Los Angeles, California 100% 		(Incorporated in California) 		First Interstate Tower, Los Angeles, California 50% 		(A Joint Venture) (E) 	707 Housing Corp., Los Angeles, California 100% 	(Incorporated in California) 	 First Interstate Bank of Denver, N.A., Denver, Colorado 100% M 12 (Incorporated under the National Bank Act) First Interstate Bank of Englewood, N.A., Englewood, Colorado 100% M 10 (Incorporated under the National Bank Act) First Interstate Bank of Idaho, N.A., Boise, Idaho 100% M 12 (Incorporated under the National Bank Act) First Interstate Bank, Ltd., Los Angeles, California 100% NM (Incorporated in California) First Interstate Bank of Montana, N.A., Kalispell, Montana 100% M 9 (Incorporated under the National Bank Act) 	 	First Interstate Insurance Agency of Montana, Inc., Kalispell, Montana 100% 	(Incorporated in Montana) First Interstate Bank of Nevada, N.A., Reno, Nevada 100% M 12 (Incorporated under the National Bank Act) 	 	First Interstate Cash Centers, Inc., Las Vegas, Nevada 100% 	(Incorporated in Nevada) First Interstate Bank of New Mexico, N.A., Santa Fe, New Mexico 100% M 10 (Incorporated under the National Bank Act) First Interstate Bank of Oregon, N.A., Portland, Oregon 100% M 12 (Incorporated under the National Bank Act) First Interstate Bank of Texas, N.A., Houston, Texas 100% M 11 (Incorporated under the National Bank Act) 	 	Idlewilde Co., Houston, Texas 100% 	(Incorporated in Texas) First Interstate Bank of Utah, N.A., Salt Lake City, Utah 100% M 12 (Incorporated under the National Bank Act) 	 	First Interstate Insurance Agency of Utah, Inc., Park City, Utah 100% 	(Incorporated in Utah) First Interstate Bank of Washington, N.A., Seattle, Washington 100% M 12 (Incorporated under the National Bank Act) 	 	Evergreen Marine Leasing, Inc., Seattle, Washington 100% 	(Incorporated in Washington) 	First Interstate Acco, Inc., Reno, Nevada 100% 	(Incorporated in Nevada) 	First Interstate Electronic Services Corp., Seattle, Washington 100% 	(Incorporated in Washington) 		 	Tacsea, Inc., Seattle, Washington 100% 	(Incorporated in Washington) First Interstate Bank of Wyoming, N.A., Casper, Wyoming 100% M 10 (Incorporated under the National Bank Act) 	 	First Wyoming Holdings, Inc., Casper, Wyoming 100% 	(Incorporated in Wyoming) First Interstate Central Bank, Calabasas, California 100% NM (Incorporated in California) DAG Management, Inc., Denver, Colorado 100% (Incorporated in Colorado) 	 	First Interstate Commercial Corp., Denver, Colorado 100% 	(Incorporated in California) 	First Interstate Commercial Mortgage Co., Chicago, Illinois 100% 	(Incorporated in Illinois) 	Regency Land Co., Denver, Colorado 100% 	(Incorporated in Colorado) FIL Holding Co., London England 100% (Incorporated in Delaware) 	First Interstate Holding (UK) Ltd., London, England 100% 	(Incorporated in the United Kingdom) First Interstate Resource Finance Associates, Newport Beach, California 100% (Incorporated in California) First Interstate Services Co. (UK) Ltd., London, England 100% (Incorporated in the United Kingdom) Western Bonding & Casualty Co., Burlington, Vermont 100% (Incorporated in Vermont) 	 <FN> M: member of Federal Reserve System NM: nonmember of Federal Reserve System E: included in the consolidated financial statements on the basis 	of equity in total capital accounts and results of operations This listing excludes inactive subsidiaries of the Corporation.