COMMERCE BANCSHARES, INC. (CBSH) ANNOUNCES PRESENTATION TO ANALYSTS AND INVESTORS IN NEW YORK JANUARY 26-28, 2009

(St. Louis, MO – January 16, 2009) – Commerce Bancshares, Inc. announced today that Chief Financial Officer, Bayard Clark, will make a presentation to small groups of analysts and investors in New York on January 26-28, 2009. The presentation will be an update of the company’s 2008 financial performance and general business plan.

The presentation will also be available at www.commercebank.com under the investor relations section beginning Monday morning, January 26.

About Commerce Bank

Commerce Bank, N.A. is a subsidiary of Commerce Bancshares, Inc. (NASDAQ: CBSH), a $17.5 billion regional bank holding company. For more than 140 years, Commerce Bank has been meeting the financial services needs of individuals and businesses. Commerce Bank provides a diversified line of financial services, including business and personal banking, wealth management and estate planning and investments through its subsidiary and affiliated companies. Commerce Bank currently operates in approximately 350 locations in Missouri, Kansas, Illinois, Oklahoma and Colorado. Commerce Bancshares also has operating subsidiaries involved in mortgage banking, leasing, credit-related insurance, venture capital and real estate activities.

For additional information contact:

Email: mymoney@commercebank.com†