Exhibit 99.1 Contact: Alexander D. Dodd - (804) 486-2634 Executive Vice President / Chief Financial Officer ATLANTIC UNION BANKSHARES REPORTS FIRST QUARTER FINANCIAL RESULTS Richmond, Va., April 21, 2026 – Atlantic Union Bankshares Corporation (the "Company" or "Atlantic Union") (NYSE: AUB) reported net income available to common shareholders of $119.2 million and both basic and diluted earnings per common share of $0.84, for the first quarter of 2026 and adjusted operating earnings available to common shar ...