GEORGE JOINS COMMERCE AS RESIDENTIAL LENDING OFFICER

(Columbia, MO – October 26, 2009) – Teresa Maledy, president and CEO, Commerce Bank, Central Missouri Region, recently announced that Brooke George has joined Commerce Bank as a residential real estate lending officer. George comes to Columbia from Commerce Bank in Arnold, Missouri where she also served as a residential lending representative. In her position, she is responsible for business development and customer service related to the bank’s full line of mortgage loan products for Columbia and the surrounding area.

A 2004 graduate of Columbia College, George received a Bachelor of Science degree in business administration with a major in financial services. Active in the community, she is a member of the Columbia Chamber of Commerce Women’s Network and an affiliate member of the Women’s Council of Realtors and the Columbia Board of Realtors.

About Commerce Bank

Commerce Bank, N.A. is a subsidiary of Commerce Bancshares, Inc. (NASDAQ: CBSH), an $18 billion regional bank holding company. For more than 140 years, Commerce Bank has been meeting the financial services needs of individuals and businesses throughout the Midwest region. Commerce Bank provides a diversified line of financial services, including business and personal banking, wealth management and estate planning, and investments through its affiliated companies. Commerce Bank operates in 350 locations in the Central United States. 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†