THE CORPORATE LIBRARY

Related Party Transactions and Outside Related Director Information

UMB Financial Corporation (UMBF)

3/15/2006 Proxy Information

In 2005, the Company made the following payments to Miriam M. Allison (a former director whose term expired April 26, 2005) and certain members of her immediate family. Such payments represent installment payments of a portion of the purchase price to be paid for the capital stock of Sunstone Financial Group Inc. (“Sunstone”) acquired by the Company from her and other parties in 2001, and in settlement of Sunstone’s obligations to certain of its employees under a Parallel Stock Unit Plan, in connection with the acquisition. The recipients of the payments were: Miriam M. Allison—$748,886; Sarah Hammond (Ms. Allison’s daughter)—$5,870; Peter Hammond (Ms. Allison’s son-in-law)—$26,107; Rebekah Allison (Ms. Allison’s daughter)—$5,870; Mathew Allison (Ms. Allison’s son)—$5,870; William Meyer (Ms. Allison’s brother)—$16,854. It is anticipated that similar payments (representing the final installment of the purchase price and settlement referred to above) will be made in 2006, although the amounts of such payments cannot be determined at this time.

The Company’s subsidiary, UMB Funds Services Inc., employs Peter J. Hammond, a son-in-law of Miriam M. Allison, as Executive Vice President & Chief Administrative Officer. Mr. Hammond received compensation of $121,500 during 2005, and it is anticipated that he will receive similar compensation during 2006.

R. Crosby Kemper, a holder of more than 5% of the Company’s voting securities and father of directors J. Mariner Kemper and Alexander C. Kemper, received $186,152 in consulting fees (including expense reimbursement) pursuant to a consulting agreement. The Company anticipates paying Mr. Kemper $12,500 per month under the consulting agreement during 2006. The Company will also provide Mr. Kemper with expense reimbursement, an automobile, secretarial and administrative support and office facilities during 2006.

Heather K. Miller, a sister of J. Mariner Kemper and Alexander C. Kemper, and a daughter of R. Crosby Kemper, is employed by the Company as Senior Vice President and member of the Management Committee, and received compensation of $123,438 during 2005. It is anticipated that Ms. Miller will receive similar compensation during 2006.

R. Crosby Kemper, Alexander C. Kemper and J. Mariner Kemper together with certain other members of their immediate family, own a majority of the stock of Pioneer Service Corporation, and they serve as executive officers of such company. During 2005, Pioneer Service Corporation leased three highway billboards and one parking lot to the Company and its subsidiaries under lease agreements running through the end of 2006 and 2007, respectively, on terms no less favorable to the Company than those which could be obtained from non-affiliated parties. The total lease payments made to such company during 2005 were $201,000, and the lease agreements provide that payments in the same amounts will be made during 2006.

The Company is a very small shareholder of Perfect Commerce, Inc., (a company that is the successor of a company (eScout LLC) originally established by the Company and since spun off to venture capitalists and other investors). Perfect Commerce Inc. (“Perfect”) provides licenses, software and hosting services by which participating businesses can purchase goods and services from manufacturers or other third parties; it also provides other software and applications for related business purchasing functions. Director Alexander C. Kemper is CEO and a shareholder of Perfect, and R. Crosby Kemper Jr. and his spouse are small shareholders of Perfect. During 2005, the Company paid the sum of $149,000 to Perfect, representing payment of license fees and consulting services to enable the Company to electronically purchase goods and services from third parties, and to conduct “reverse auctions” (specialized requests for proposals that are conducted and processed electronically) through Perfect’s system. It is anticipated that the Company and its subsidiaries will make similar license fee and consulting services payments to Perfect during 2006. In 2005, Perfect paid the sum of $154,826 to the Company in consideration for being permitted to locate and operate its servers in the Company’s operations and technology building. The Company believes that the sum paid to it by Perfect is fair and is equal to, or higher than, the price that would be paid by an unrelated third party in an arms-length transaction. It is contemplated that such arrangements will continue in 2006.

During 2005, many of the directors, nominee directors, executive officers, as well as members of their immediate families and companies with which they are associated, were customers of, and had credit and other banking transactions with, the Company’s affiliate banks in the ordinary course of each respective bank’s business. Such relationships were, and continue to be, conducted on substantially the same terms as those prevailing at the same time for comparable transactions with other persons. All loans made to them by such affiliate banks were made in the ordinary course of business, made on substantially the same terms, including interest rates and collateral, as those prevailing at the time for comparable transactions with other persons, and did not involve more than the normal risk of collectibility or present other unfavorable features.

3/21/2005 Proxy Information

In 2004, the Company made the following payments to director Miriam M. Allison and certain members of her immediate family. Such payments represent installment payments of a portion of the purchase price to be paid for the capital stock of Sunstone Financial Group Inc. (“Sunstone”) acquired by the Company from her and other parties in 2001, and in settlement of Sunstone’s obligations to certain of its employees under a Parallel Stock Unit Plan. The recipients of the payments were: Miriam M. Allison—$1,293,432; Sarah Hammond (Ms. Allison’s daughter)—$10,138; Peter Hammond (Ms. Allison’s son-in-law)—$45,089; Rebekah Allison (Ms. Allison’s daughter)—$10,138; Mathew Allison (Ms. Allison’s son)—$10,138; William Meyer (Ms. Allison’s brother)—$29,126. It is anticipated that similar payments will be made with respect to the 2005 fiscal year, although the amounts of such payments cannot be determined at this time.

Thomas J. Wood, III is the nephew of R. Crosby Kemper.

The Company’s subsidiary, UMB Funds Services Inc., employs Peter J. Hammond, a son-in-law of director Miriam M. Allison, as Executive Vice President & Chief Administrative Officer. Mr. Hammond received compensation of $120,000 in salary and $34,951 in incentive compensation during 2004.

During 2004, the Company and its subsidiaries purchased promotional products and other goods totaling $84,428 from Grapevine Designs, a company in which director Thomas J. Wood and his spouse own a significant equity interest and of which such spouse serves as manager. The Company anticipates that similar purchases may be made during the 2005 fiscal year.

R. Crosby Kemper, former Senior Chairman of the Company and father of J. Mariner Kemper and Alexander Kemper, received compensation of $259,617 in salary and $850 in parking during 2004. R. Crosby Kemper also received $54,307 in consulting fees (including expense reimbursement) pursuant to a consulting agreement. The Company will pay Mr. Kemper $12,500 per month under the consulting agreement for 2005. The Company will also provide Mr. Kemper with an automobile, secretarial and administrative support and office facilities during 2005.

R. Crosby Kemper III, former CEO and President of the Company and brother of J. Mariner Kemper and Alexander Kemper, was employed by the Company until May 2004 and received compensation during 2004 of $198,314 in salary, $67,631 for unused leave, and $236,877 in severance pay. Sheila Kemper Dietrich, a former executive officer of the Company and a sister of J. Mariner Kemper and Alexander Kemper, was employed by the Company’s subsidiary, UMB Bank n.a., as Executive Vice President & Divisional Manager of Trust and Wealth Management until June 2004, and received compensation of $91,137 in salary, $24,443 in unused leave, and $70,962 in severance pay during 2004. Heather C. Kemper, also a sister of J. Mariner Kemper and Alexander Kemper, is employed by the Company as Senior Vice President, and received compensation of $120,000 during 2004.

Alexander C. Kemper and J. Mariner Kemper together with certain other members of their immediate family, own a majority of the stock of Pioneer Service Corporation, and they serve as executive officers of such company. During 2004, Pioneer Service Corporation leased four parcels of real estate to the Company and its subsidiaries under a two-year lease that expired on December 31, 2004, on terms no less favorable to the Company than those which could be obtained from non-affiliated parties. The total lease payments made to such company during 2004 were $191,400. It is anticipated that the Company may renew the lease for 2005 with payments being equal to the fair market value for such services.

The Company is a small minority shareholder of, and director Alexander C. Kemper is the Chairman and CEO of, Perfect Commerce, Inc. (formerly known as eScout, LLC), a company that operates an electronic marketplace through which participating businesses can purchase goods and services from manufacturers or other third parties. During 2004, the Company and its subsidiaries purchased $1,040,820 worth of goods and services from unrelated vendors, utilizing the electronic marketplace operated by Perfect Commerce, Inc., such purchases being made on terms and conditions no less favorable than those that could be obtained from unrelated third parties. Also, in 2004, the Company’s subsidiary UMB Bank, n.a. paid the sum of $135,057 to Perfect Commerce, Inc. representing payment of license fees and consulting services to enable the Bank to utilize certain software and related services of Perfect Commerce, Inc.

The Company made payments to J. E. Dunn Construction Company, a company for which Terrence Dunn serves as CEO, in the amount of $2,220,468 during 2004 for the construction of a branch. The contract for the construction of the branch was entered into in the ordinary course of business and on terms prevailing at the time for comparable transactions with other companies.

During 2004, many of the directors, nominee directors, executive officers, as well as members of their immediate families and companies with which they are associated, were customers of, and had credit and other banking transactions with, the Company’s affiliate banks in the ordinary course of each respective bank’s business. Such relationships were, and continue to be, conducted on substantially the same terms as those prevailing at the same time for comparable transactions with other persons. All loans made to them by such affiliate banks were made in the ordinary course of business, made on substantially the same terms, including interest rates and collateral, as those prevailing at the time for comparable transactions with other persons, and did not involve more than the normal risk of collectibility or present other unfavorable features.

3/19/2004 Proxy Information

Mr. Kemper is the father of director Alexander C. Kemper and director R. Crosby Kemper III, and is the uncle of director Thomas J. Wood, III.

In 2003, the Company made the following payments to director Miriam M. Allison and certain members of her immediate family. Such payments represent installment payments of a portion of the purchase price to be paid for the capital stock of Sunstone Financial Group Inc. acquired by the Company from her and other parties in 2001. The recipients of the payments were: Miriam M. Allison-$2,361,474; Sarah Hammond (Ms. Allison’s daughter)-$18,509; Peter Hammond (Ms. Allison’s son-in-law)-$82,322; Rebekah Allison (Ms. Allison’s daughter)-$18,509; Mathew Allison (Ms. Allison’s son)-$18,509; and William Meyer (Ms. Allison’s brother)-$53,177. It is anticipated that similar payments will be made with respect to the 2004 fiscal year, although the amounts of such payments cannot be determined at this time.

In 2003, the Company made payments totaling $60,239 to director H. Alan Bell and members of his immediate family to satisfy certain obligations of the Company incurred in connection with its acquisition of the stock of Citizens Bank & Trust Company from Mr. Bell.

During 2003, the Company’s subsidiary, UMB Bank n.a., made payments totaling $75,056 to the law firm of Kelly Haglund Garnsey & Kahn LLC in Denver, Colorado, representing legal fees incurred primarily in connection with a lawsuit filed against UMB Bank n.a. in connection with its provision of employee benefit services to an unrelated bank customer. A member of such law firm, Walter Garnsey, is the father-in-law of Company executive officer J. Mariner Kemper.

The Company’s subsidiary, UMB Funds Services Inc., employs Peter J. Hammond, a son-in-law of director Miriam M. Allison, as Executive Vice President & Chief Administrative Officer. Mr. Hammond received compensation of $121,999 during 2003. William Meyer, a brother of director Miriam M. Allison, was also employed by such entity, as Senior Vice President and Chief Information Officer, and received compensation of $104,000 during 2003.

The Company paid $149,000 in fees during 2003 to a subsidiary of The Western Group (of which William Bishop was Chief Executive Officer) for waterproofing various Company buildings.

During 2003, the Company and its subsidiaries purchased promotional products and other goods totaling $79,890 from Grapevine Designs, a company in which director Thomas J. Wood and his spouse own a significant equity interest and of which such spouse serves as manager. The Company anticipates that similar purchases may be made during the 2004 fiscal year.

Sheila Kemper Dietrich, an executive officer of the Company and a daughter of director R. Crosby Kemper, was employed by the Company’s subsidiary, UMB Bank n.a., as Executive Vice President & Divisional Manager of Trust and Wealth Management, and received compensation of $199,776 during 2003. Heather C. Kemper, also a daughter of R. Crosby Kemper, was employed by the Company’s subsidiary, UMB Bank Colorado n.a., as Senior Vice President, and received compensation of $107,115 during 2003. J. Mariner Kemper, an executive officer of the Company and a son of R. Crosby Kemper, was employed by the Company’s subsidiary, UMB Bank Colorado n.a., as Chairman and Chief Executive Officer, and received compensation of $235,362 during 2003.

R. Crosby Kemper, Alexander C. Kemper, R Crosby Kemper III, Sheila Kemper Dietrich, and J. Mariner Kemper, all of who are directors and/or executive officers of the Company or its affiliates, together with certain other members of R. Crosby Kemper’s immediate family, own a majority of the stock of Pioneer Service Corporation, and several of such individuals serve as executive officers of such company. During 2003, Pioneer Service Corporation leased three parcels of real estate to the Company and its subsidiaries under a two-year lease expiring December 31, 2004, and one parcel under a five-year lease expiring December 31, 2007 on terms no less favorable to the Company than those which could be obtained from non-affiliated parties. The total lease payments made to such company during 2003 were $192,400, and the Company anticipates that similar lease payments will be made to such company in 2004.

The Company is a small minority shareholder of, and director Alexander C. Kemper is the Chairman and CEO of, Perfect Commerce, Inc. (formerly known as eScout, LLC), a company that provides supplier relationship management (SRM) solutions to businesses to facilitate their purchases of goods and services from third parties. During 2003, the Company and its subsidiaries used such SRM solutions to purchase $1,423,978 worth of goods and services from unrelated vendors, such purchases being made on terms and conditions no less favorable than those that could be obtained from unrelated third parties. Also, in 2003, the Company’s subsidiary UMB Bank, n.a. paid the sum of $149,400 to Perfect Commerce, Inc. representing payment of fees for its SRM software and sourcing applications.

During 2003, many of the directors, nominee directors, executive officers, as well as members of their immediate families and companies with which they are associated, were customers of, and had credit and other banking transactions with, the Company’s affiliate banks in the ordinary course of each respective bank’s business. Such relationships were, and continue to be, conducted on substantially the same terms as those prevailing at the same time for comparable transactions with other persons. All loans made to them by such affiliate banks were made in the ordinary course of business, made on substantially the same terms, including interest rates and collateral, as those prevailing at the time for comparable transactions with other persons, and did not involve more than the normal risk of collectibility or present other unfavorable features.

3/12/2003 Proxy Information

R. Crosby Kemper, Alexander C. Kemper, R Crosby Kemper III, Sheila Kemper Dietrich, and J. Mariner Kemper who are directors and/or executive officers of the Company or its affiliates, and certain other members of Mr. R. Crosby Kemper’s immediate family own approximately 75% of the stock of Pioneer Service Corporation. During 2002, Pioneer Service Corporation leased four parcels of real estate to the Company and its subsidiaries under a two year lease expiring December 31, 2002, on terms no less favorable to the Company than those which could be obtained from non-affiliated parties. In December 2001, $190,946 was paid as rent for the 2002 annual rental period under the lease. In January 2003, the Board authorized a renewal of the leases on the basis of a $191,400 annual rental payment (covering a two-year lease period for three of the parcels of real estate, and a five-year lease period for the fourth parcel of real estate) and other terms, concluding that such rents and terms were no less favorable to the Company than those which could be obtained from non-affiliated parties.

The Company is a minority shareholder, and Alexander C. Kemper is the Chairman and CEO, of eScout, LLC, a limited liability company that operates an electronic marketplace. During 2002 the Company and its subsidiaries purchased $1,423,410 worth of goods and services from unrelated vendors through the marketplace operated by eScout, LLC, such purchases being made on terms and conditions no less favorable than those that could be obtained from unrelated third parties.

Rufus Crosby Kemper is the father of R. Crosby Kemper, III and Alexander C. Kemper and the uncle of Thomas J. Wood, III.

H. Alan Bell is a former employee of a UMBF subsidiary.

C. N. Hoffman, III is current chairman and former president of UMBF subsidiary.

Alan W. Rolley is a former employee of a UMBF subsidiary.