Exhibit 99.1 UMB Financial Corporation Reports Third Quarter Net Income of $109.6 Million and Net Operating Income (i) of$110.4 Million. Third Quarter 2024 Financial Highlights KANSAS CITY, Mo. (October 29, 2024) – UMB Financial Corporation (Nasdaq: UMBF), a financial services company, announced net income for the third quarter of 2024 of $109.6 million, or$2.23 per diluted share, compared to $101.3 million, or$2.07 per diluted share, in the second quarter (linked quarter) and $96.6 million, or$1.98 per ...