TODD STOUT JOINS COMMERCE BANK BOARD OF DIRECTORS

(Joplin, MO – February 1, 2010) – Fred Osborn, President, Commerce Bank, Missouri-Kansas Region, recently announced the election of Joplin community and business leader, Todd Stout, to the bank’s local Advisory Board of Directors. Stout is a Partner and Vice President of Operations at Standard Transportation Services, Inc.

Stout is a graduate of Missouri Southern State University, Joplin. Native to the area he is also active in civic and professional organizations, currently serving as Vice President of the Board of Directors for the Twins Hills Golf and Country Club and is an active member at St. Paul’s United Methodist Church.

"We are very pleased to have Todd join our advisory board and build on a tradition of excellence in attracting quality board members to our bank," said Osborn. "In addition, his strong commitment to the community will guide us in providing our customers with financial services that will help our community prosper."

About Commerce Bank

Commerce Bank, N.A. is a subsidiary of Commerce Bancshares, Inc. (NASDAQ: CBSH), a $18.1 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 approximately 370 locations in the Central United States. Commerce Bancshares also has operating subsidiaries involved in mortgage banking, leasing, credit-related insurance, private equity and real estate activities.

For additional information contact:

Email: mymoney@commercebank.com†