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: Stephanie Hollander: 816.729.1027 Investor Relations Contact: Kay Gregory: 816.860.7106 UMB Financial Corporation Reports Second Quarter 2025 Results Second Quarter 2025 Financial Highlights (i) A non-GAAP financial measure reconciled later in this release to the nearest comparable GAAP measure. • GAAP net income available to common shareholders of $215 ...