1 Consent of Independent Auditors We consent to the incorporation by reference into each registration statement listed below of our report dated January 19, 1995 (except for the pooling of interests with Worthen Banking Corporation, as described in Note 3, for which the date is February 28, 1995) with respect to the supplemental consolidated financial statements of Boatmen's Bancshares, Inc. for the years ended December 31, 1994 and 1993 and for each of the three years in the period ended December 31, 1994 included therein by reference in its Current Report (Form 8-K) dated April 28, 1995. Form No. ---- --- S-3 33-50525 Dividend Reinvestment and Stock Purchase Plan S-8 33-15717 1987 Non-Qualified Stock Option Plan S-8 33-15715 Amended 1981 Incentive Stock Option Plan S-8 33-25945 Centerre Bancorporation 1983 Incentive Stock Option Plan Centerre Bancorporation 1980 Stock Option Plan S-8 33-25946 Centerre Bancorporation 1987 Stock Incentive Plan S-8 33-50451 1990 Stock Purchase Plan for Employees S-8 33-37862 Thrift Incentive 401(k) Plan S-8 33-44546 1991 Incentive Stock Option Plan S-8 33-46730 First Interstate of Iowa, Inc. S-8 33-55168 Sunwest Financial Services, Inc. 1983 Incentive Stock Option Plan S-8 33-55110 Sunwest Financial Services, Inc. 1987 Incentive Stock Option Plan S-8 33-51635 First Amarillo Bancorporation, Inc. and Subsidiaries Incentive Stock Option Plan (Number 1) S-8 33-51637 First Amarillo Bancorporation, Inc. and Subsidiaries Incentive Stock Option Plan (Number 2) S-8 33-58399 Worthen Banking Corporation 1993 Stock Option Plan S-8 33-58395 Worthen Banking Corporation Amended and Substituted Stock Option Plan /s/ Ernst & Young LLP St. Louis, Missouri April 28, 1995