Exhibit 99.1 UMB Financial Corporation News Release 1010 Grand Boulevard Kansas City, MO 64106 816.860.7000 umb.com //FOR IMMEDIATE RELEASE// Media Contact: Cynthia Simpson: 816.860.5637 Investor Relations Contact: Kay Gregory: 816.860.7106 UMB Financial Corporation Reports First Quarter 2025 Results First Quarter 2025 Financial Highlights (i) A non-GAAP financial measure reconciled later in this release to the nearest comparable GAAP measure. KANSAS CITY, Mo. (April 29, 2025) – UMB Financial Corporation (N ...