EXHIBIT 21 TO FORM 10-K UMB FINANCIAL CORPORATION Subsidiaries of the Registrant Subsidiary Jurisdiction of ---------- Organization ------------ WESTERN MISSOURI BANKS UMB Bank, n.a. (Kansas City) U.S. UMB Bank, Cass County (Peculiar) Missouri UMB Bank Northwest (St. Joseph) Missouri EASTERN MISSOURI AND ILLINOIS BANKS UMB Bank of St. Louis, n.a. U.S. UMB Bank, Northeast (Monroe City) Missouri UMB First State Bank of Morrisonville (Illinois) Illinois SOUTHWESTERN MISSOURI BANKS UMB Bank, Southwest (Springfield) Missouri UMB Bank, Warsaw Missouri CENTRAL MISSOURI BANKS UMB Bank, Boonville Missouri UMB Bank, Jefferson City Missouri UMB Bank, North Central (Brookfield) Missouri UMB Bank, Warrensburg Missouri COLORADO BANK UMB Bank Colorado Colorado KANSAS BANKS UMB Bank Kansas Kansas UMB National Bank of America U.S. OKLAHOMA BANK UMB National Bank Oklahoma BANKING--RELATED SUBSIDIARIES Scout Brokerage Services, Inc. Missouri UMB Community Development Corporation Missouri UMB Consulting Services, Inc. Missouri UMB Data Corporation Missouri UMB Properties, Inc. Missouri United Missouri Bank, U.S.A. Delaware United Missouri Insurance Company Arizona City Bond and Mortgage Company Missouri TIERED BANK HOLDING COMPANIES FCB Corp. Delaware Valley Bank Holding Co. Colorado United Kansas Bancshares, Inc. Kansas First Sooner Bancshares, Inc. Oklahoma