THE COMMERCE TRUST COMPANY AND THE KANSAS CITY CHIEF AMBASSADORS HOSTED YMCA TEENS

(Springfield, MO – August 8, 2007) – The Commerce Trust Company and The Kansas City Chief Ambassadors hosted YMCA teens for an autograph session. Commerce Bank partnered with the Kansas City Chief’s Ambassadors for a private Commerce Trust event. Prior to the event the Ambassadors agreed to sign autographs for the YMCA teens.

The Kansas City Chiefs Ambassadors is a group of retired Chief’s players designed to support the team, organization and former players. Walter White, Bud Stallworth, Curtis McClinton, Charlie Getty and Jerry Cornelison signed over forty autographs for the YMCA teens group.

Korrie Kirk, the YMCA Teen Director said, “This was a great opportunity for our Y-teens who normally may not have the chance to attend a Chief’s game. This is a great way to help build their self esteem and we appreciate the opportunity to bring them to Commerce Bank to meet the Ambassadors.”

About Commerce Bank

Commerce Bancshares, Inc. (NASDAQ: CBSH), is a $15.5 billion regional bank holding company. For more than 140 years, Commerce has been meeting the financial services needs of individuals and businesses throughout the Midwest region. 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 maintains approximately 360 locations throughout the Midwest, primarily in Missouri, Illinois, Kansas, Oklahoma and Colorado. Commerce also has operating subsidiaries involved in mortgage banking, leasing, credit-related insurance, venture capital and real estate activities.

The Commerce Trust Company, a division of Commerce Bank, N.A., provides asset management, trust, private banking and other financial advisory services to affluent individuals and their families, as well as to corporations, non-profit institutions and employee benefit plans. Today, Commerce Trust administers more than $22 billion in total assets, with investment responsibility for more than $15 billion.

For additional information contact:

Jenny Stanley, Regional Marketing Manager
PO Box 419248, Kansas City, MO
417-837-5333
jenny.stanley@commercebank.com†

For additional information contact:

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