Exhibit 99.1 UMB Financial Corporation News Release 1010 Grand Boulevard Kansas City, MO 64106 816.860.7000 umb.com KANSAS CITY, Mo. (January 27, 2026) – UMB Financial Corporation (Nasdaq: UMBF), a financial services company, announced net income available to common shareholders for the fourth quarter of 2025 of $209.5 million, or$2.74 per diluted share, compared to $180.4 million, or$2.36 per diluted • GAAP net income available to common shareholders of $209.5 million, or$2.74 per diluted common share, ...