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UMB Financial Corporation Reports Second Quarter 2011 Earnings of $26.3 Million, an Increase of 14.4 Percent

Kansas City, Mo. (July 26, 2011) – UMB Financial Corporation (NASDAQ: UMBF), a diversified financial holding company, announced earnings for the three months ended June 30, 2011 of $26.3 million or $0.66 per share ($0.65 diluted). This is an increase of $3.3 million, or 14.4 percent, compared to second quarter 2010 earnings of $23.0 million or $0.57 per share ($0.57 diluted). Earnings for the six months ended June 30, 2011 were $57.2 million or $1.43 per share ($1.42 diluted). This is an increase of $8.0 million, or 16.2 percent, compared to the prior year-to-date earnings of $49.2 million or $1.23 per share ($1.22 diluted).

“Our second quarter earnings demonstrated strong performance across most of our businesses and in many of our key metrics,” said Mariner Kemper, Chairman and Chief Executive Officer. “We posted industry-leading revenue and net income improvement through increased noninterest income and steady growth in our balance sheet from both deposit and loan growth. The revenue gains and balance sheet growth outpaced margin pressure originating from the continued low interest rate environment. We achieved record total revenue for the second quarter of $187.8 million, which demonstrates that our recent acquisitions have paid off through strong sales. Noninterest expense increases were led by investments in our businesses which hampered operating leverage this quarter; however, we expect this metric to improve over time. Despite fairly significant headwinds, we are poised to benefit from our diversified business model and believe future opportunities exist for UMB.”

Net Interest Income and Margin

Net interest income for the second quarter of 2011 increased $2.3 million, or 2.9 percent, compared to the same period in 2010. Average earning assets increased by $1.4 billion, or 14.0 percent, compared to the second quarter of 2010. This increase was due to a $791.0 million, or 16.1 percent, increase in average total securities, including trading securities and a $305.2 million, or 6.9 percent, increase in average loans. Net interest margin decreased 31 basis points to 2.98 percent for the three months ended June 30, 2011 compared to the same quarter in 2010.

Noninterest Income and Expense

Noninterest income increased $18.8 million, or 21.1 percent, for the three months ended June 30, 2011 compared to the same period in 2010. This increase is primarily attributed to increased trust and

securities processing income of $15.0 million, or 38.9 percent, for the three months ended June 30, 2011 compared to the same period in 2010. The increase in trust and securities processing income was primarily due to a $4.7 million, or 39.1 percent, increase in advisory fee income from the Scout Funds; a $2.6 million, or 16.3 percent, increase in fund administration and custody services; and a $7.5 million, or 791.3 percent, increase in fees related to institutional and personal investment management services. Bankcard fees increased $2.6 million, or 18.4 percent, compared to the second quarter of 2010 from increased processing fee income. Gains of $6.0 million on securities available for sale were recognized in the second quarter of 2011 compared to $1.1 million during the same period in 2010.

Noninterest expense increased $19.5 million, or 15.4 percent, for the three months ended June 30, 2011 compared to the same period in 2010. The primary driver of this increase is higher salary and benefits expense of $9.4 million, or 14.7 percent, due to higher base salary, commission and health insurance costs. Of this increase in salary and benefits expense, approximately $4.0 million, or 42.6 percent, is related to salary and benefits from acquisitions. Amortization of intangible assets increased $1.7 million, or 70.3 percent, compared to the second quarter of 2010. These increases are largely driven by acquisition activity in the last two quarters of 2010. Processing fees increased $2.1 million, or 18.8 percent, due primarily to fees paid by the advisor to third-party distributors of the Scout Funds. During the second quarter of 2011, the company and its subsidiary banks entered into an agreement to settle a class action lawsuit and established a $7.8 million escrow fund in accordance with this agreement.

“Total revenue increased in the second quarter largely because of the strength of our fee businesses,” said Peter deSilva, President and Chief Operating Officer. “Noninterest income increased 21.1 percent and was 57.4 percent of total revenue, compared to 53.4 percent in the same period a year ago. A continued success story within our Institutional Financial Services segment is Scout Investments. Net flows to our mutual funds were $315 million during the second quarter, driven primarily by mutual fund select list placement in the intermediary distribution channel. Increases in UMB Fund Services revenue and card purchase volume also contributed to our strong noninterest income growth. We are pleased with the results our businesses generated this quarter.”

Balance Sheet

Average total assets for the three months ended June 30, 2011 were $12.4 billion compared to $10.9 billion for the same period in 2010, an increase of $1.5 billion, or 13.9 percent. Average earning assets increased by $1.4 billion for the period, or 14.0 percent.

Actual loan balances on June 30, 2011 were $4.7 billion, an increase of $282.9 million, or 6.4 percent, compared to June 30, 2010. Commercial real estate loans increased $94.2 million, or 7.6 percent, and commercial loans increased $140.3 million, or 7.5 percent. Average loan balances for the three months ended June 30, 2011 increased $305.2 million, or 6.9 percent compared to the same period in 2010.

Nonperforming loans decreased to $15.4 million on June 30, 2011 from $23.1 million on June 30, 2010. As a percentage of loans, nonperforming loans decreased to 0.33 percent as of June 30, 2011 compared to 0.52 percent on June 30, 2010. Nonperforming loans are defined as nonaccrual loans and restructured loans. By comparison, the industry median for nonperforming loans as of March 31, 2011 was 3.88 percent. The company’s allowance for loan losses totaled $72.4 million, or 1.53 percent of loans, as of June 30, 2011 compared to $70.1 million, or 1.58 percent of loans, as of June 30, 2010.

For the three months ended June 30, 2011, average securities, including trading securities, totaled $5.7 billion. This is an increase of $791.0 million, or 16.1 percent, from the same period in 2010.

Average total deposits increased $1.2 billion, or 14.9 percent, to $9.5 billion for the three months ended June 30, 2011 compared to the same period in 2010. Average money market accounts increased by $688.7 million, or 40.5 percent, in 2011 as compared to 2010. Average noninterest-bearing demand deposits increased $439.8 million, or 15.9 percent, compared to 2010. Total deposits

as of June 30, 2011 were $9.9 billion, compared to $8.4 billion as of June 30, 2010, a 17.7 percent increase. Also, as of June 30, 2011, noninterest-bearing demand deposits were 38.5 percent of total deposits.

“The growth in our balance sheet continues to be driven by the growth in deposits,” said Mike Hagedorn, Chief Financial Officer. “Average deposits increased 14.9 percent, compared to the second quarter 2010 and the related cost of funds declined from 0.53 percent to 0.34 percent. We continue to actively manage our $5.6 billion investment portfolio, positioning it for rising interest rates. The well-documented challenges in the financial markets continue to make this difficult.”

As of June 30, 2011, UMB had total shareholders’ equity of $1.1 billion, an increase of 6.0 percent as compared to the same period in 2010. The company declared its regular quarterly cash dividend of $0.195 cents per share to be paid on October 3, 2011, to shareholders of record at the close of business on September 9, 2011.

Year-to-Date

Earnings for the six months ended June 30, 2011 were $57.2 million or $1.43 per share ($1.42 diluted). This is an increase of $8.0 million, or 16.2 percent, compared to the prior year-to-date earnings of $49.2 million or $1.23 per share ($1.22 diluted).

Net interest income for the six months ended June 30, 2011 increased $4.9 million, or 3.2 percent, compared to the same period in 2010. Net interest margin decreased to 2.94 percent for the six months ended June 30, 2011 as compared to 3.24 percent for the same period in 2010.

Noninterest income increased $40.1 million, or 22.9 percent, to $215.6 million for the six months ended June 30, 2011 as compared to the same period in 2010. Trust and securities processing income increased $31.2 million, or 42.0 percent, for year-to-date June 30, 2011 as compared to the same period in 2010. Gains from the sale of securities available for sale of $13.5 million were recognized during the first six months of 2011 compared to $6.5 million for the first six months of 2010.

Noninterest expense increased $37.6 million, or 15.5 percent, for the six months ended June 30, 2011 compared to the same period in 2010. Salary and employee benefit expense increased by $20.0 million, or 15.9 percent. Amortization of intangible assets increased $3.6 million, or 80.1 percent. Processing fees increased $3.3 million, or 14.6 percent. Additionally, during the second quarter, the company established a $7.8 million escrow fund to settle a class action lawsuit.

Interested parties may access the call by dialing (toll-free) 877-941-9205 or (U.S.) 480-629-9835. The live call can also be accessed by following the link http://event.on24.com/r.htm?e=333724&s=1&k=549D1134D7C06433E65E0B316B08B1D4 or by visiting the investor relations area of umb.com.

A replay of the conference call may be heard until August 10, 2011, by calling (toll-free) 800-406-7325 or (U.S.) 303-590-3030. The replay pass code required for playback is conference identification number 4455422. The call replay may also be accessed via the company's Web site, umb.com, by visiting the investor relations area.

Forward-Looking Statements:

This release contains forward-looking statements within the meaning of Section 27A of the Securities Act of 1933, Section 21E of the Securities Exchange Act of 1934, and within the meaning of the Private Securities Litigation Reform Act of 1995. Such forward-looking statements rely on a number of assumptions concerning future events and are subject to risks and uncertainties, which could cause actual results to differ materially from those contemplated by the forward-looking statements in this Current Report on Form 8-K, any exhibits to this Current Report and other public statements the company may make. While management of UMB believes their assumptions are reasonable, UMB cautions that changes in general economic conditions, changes in interest rates, changes in the

securities markets, changes in operations, changes in competition, technology changes, legislative or regulatory changes, the ability of customers to repay loans, changes in loan demand, increases in employee costs, its ability to integrate acquisitions and other risks and uncertainties detailed in UMB’s filings with the Securities and Exchange Commission, may cause actual results to differ materially from those discussed in this release. UMB has no duty to update such statements, and undertakes no obligation to update or supplement forward-looking statements that become untrue because of new information, future events or otherwise.

About UMB:

UMB Financial Corporation (NASDAQ: UMBF) is a diversified financial holding company headquartered in Kansas City, Mo., offering complete banking, asset management, health spending solutions and related financial services to commercial, institutional and personal customers nationwide. Its banking subsidiaries own and operate banking centers throughout Missouri, Illinois, Colorado, Kansas, Oklahoma, Nebraska and Arizona. Subsidiaries of the holding company and the lead bank, UMB Bank, n.a., include mutual fund and alternative investment services groups, single-purpose companies that deal with brokerage services and insurance, and Scout Investments, offering equity and fixed income investment strategies for institutions and individual investors. For more information, visit umb.com or follow us on Twitter at @UMBFinancial