Shelleigh Birlingmair Joins Commerce Bank as Branch Manager and Assistant Vice President

Bloomington, IL - July 31, 2003 - Shelleigh Birlingmair recently joined Commerce Bank as an Assistant Vice President. As Branch Manager, Birlingmair is responsible for overseeing banking activities at Commerce Bank's Bloomington East location. "We are excited to have Shelleigh as a part of our team here in Bloomington. Her enthusiasm and commitment to customer service fit in well with the Commerce philosophy," remarked Sandra Beneventi, Retail Manager for the Illinois Region..

About Commerce Bank
Commerce Bank is the principal subsidiary of Commerce Bancshares Inc. (NASDAQ: CBSH), a $13.4 billion regional bank holding company. For more than 135 years, Commerce has been meeting the financial services needs of individuals and businesses. Commerce provides a diversified line of financial services, including business and personal banking, wealth management and estate planning and investments through its affiliated companies. Commerce Bancshares operates across three states with more than 330 locations and also has operating subsidiaries involved in mortgage banking, credit related insurance, venture capital and real estate activities.

For additional information, please visit www.commercebank.com or email mymoney@commercebank.com

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