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Exhibit 99.1

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Atlantic Union Bankshares Corporation Declares Quarterly Common Stock Dividend and Preferred Stock Dividend

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Richmond, Va., July 23, 2026 – The Board of Directors (the “Board”) of Atlantic Union Bankshares Corporation (the “Company”) has declared a quarterly dividend of $0.37 per share of common stock, which is the same as the second quarter of 2026 and a $0.03, or an 8.8%, increase from the dividend in the third quarter of 2025. Based on the Company’s common stock closing price of $42.34 on July 22, 2026, the dividend yield is approximately 3.5%. The common stock dividend is payable on August 21, 2026 to common shareholders of record as of August 7, 2026.

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The Board also declared a quarterly dividend on the outstanding shares of the Company’s 6.875% Perpetual Non-Cumulative Preferred Stock, Series A (the “Series A preferred stock”). The Series A preferred stock is represented by depositary shares, each representing a 1/400th ownership interest in a share of Series A preferred stock. The dividend of $171.88 per share (equivalent to $0.43 per outstanding depositary share) is payable on September 1, 2026 to holders of record as of August 17, 2026.

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About Atlantic Union Bankshares Corporation

Headquartered in Richmond, Virginia, Atlantic Union Bankshares Corporation (NYSE: AUB) is the holding company for Atlantic Union Bank. Atlantic Union Bank has branches and ATMs located in Virginia, Maryland, North Carolina and Washington D.C. Certain non-bank financial services affiliates of Atlantic Union Bank include: Atlantic Union Equipment Finance, Inc., which provides equipment financing; AUB Investments, Inc., which provides investment services; and Atlantic Union Capital Markets, Inc., which provides capital market services.

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Contact:

Bill Cimino, Senior Vice President and Head of Investor Relations 804.448.0937