Company: UMBFO
Filing Date: 2025-03-14
Form Type: DEF 14A
Source: 0001193125-25-054504
Chunk: 75

Company: UMB FINANCIAL CORP
Filing Date: 2025-03-14
Form: DEF 14A
Chunk 75
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 on November 14, 2025, and not earlier than the close of business on October 15, 2025. This includes notice of shareholder nominees for which proxies are intended to be solicited under Rule 14a-19. In addition, with respect to nominations made under Rule 14a-19 of the Exchange Act, if any nominating shareholder, after providing the notices required thereunder, subsequently fails to comply with the requirements of Rule 14a-19 promulgated under the Exchange Act, then the Company shall disregard any proxies or votes solicited for such shareholder’s director nominees.

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This Proxy Statement is provided to you by order of the Board of Directors.

Megan L. Mercer

Corporate Secretary

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| Using a black ink pen, mark your votes with an X as shown in this example. Please do not write outside the designated areas. |

| Your vote matters - here’s how to vote! You may vote online or by phone instead of mailing this card. |     |                                                                                                                      |
|                                                                                                       |     | Online   Go to www.envisionreports.com/UMBF or scan the QR code – login details are located in the shaded bar below. |
|                                                                                                       |     | Phone Call toll free 1-800-652-VOTE (8683) within the USA, US territories and Canada                                 |
|                                                                                                       |     | Save paper, time and money! Sign up for electronic delivery at www.envisionreports.com/UMBF                          |

| Annual Meeting Proxy Card |

q IF VOTING BY MAIL, SIGN, DETACH AND RETURN THE BOTTOM PORTION IN THE ENCLOSED ENVELOPE. q _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ __ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

| A |     | Proposals — The Board of Directors recommends a vote FOR all nominees listed, and FOR Proposals 2 and 3. |

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