PROFFITT PROMOTED TO ASSISTANT VICE PRESIDENT, COMMERCE BROKERAGE SERVICES, INC.

PITTSBURG, KS – June 16, 2006 – Wendell Wilkinson, president, Commerce Bank, Pittsburg, announces that Missy Proffitt has been promoted to assistant vice president, Commerce Brokerage Services, Inc., a non-bank subsidiary of Commerce Bank, N.A. A regional Financial Consultant based in Pittsburg, she is responsible for providing clients with personalized investment strategies designed to meet their financial goals.

Proffitt has 10 years of experience in finance and banking. She is a 1996 graduate of Pittsburg State University, with a bachelor’s degree in finance and economics.

Proffitt is located at Commerce Brokerage Services, Inc., inside the Commerce Bank Main Banking Center at 100 S. Broadway.

About Commerce Bank

Commerce Brokerage Services, Inc., is a wholly owned non-bank subsidiary of Commerce Bank, who in turn is a principal subsidiary of Commerce Bancshares, Inc. For more information on Commerce Brokerage Services, please visit www.commercebank.com/brokerage.

For additional information contact:

Wendell Wilkinson, President
Commerce Bank, Pittsburg
620-231-8400

Susan Kirkman, Regional Marketing Manager
417 837-5333
Email: susan.kirkman@commercebank.com

For additional information contact:

Web Site: www.commercebank.com
Email: mymoney@commercebank.com