Atlantic Union Bankshares Corp

INDEX

Glossary of Acronyms and Defined Terms

*In this Quarterly Report on Form 10-Q,*except as otherwise indicated or the context suggests otherwise, references to the “Company” refers to Atlantic Union Bankshares Corporation, a Virginia corporation, and the terms “we”, “us” and “our” refer to the Company and its direct and indirect subsidiaries, including Atlantic Union Bank, which we refer to as the “Bank.” The “Federal Reserve” refers to the Board of Governor of the Federal Reserve System, our primary federal regulator.

*“Our common stock” refers to the Company’s common stock, par value $1.33 per share, and the term “depositary shares” means the Company’s depositary shares, each representing a 1/400th ownership interest in a share of the Company’s Series A preferred stock, with a liquidation preference of $10,000 per share of Series A preferred stock (equivalent to $25 per depositary share). “Series A preferred stock” refers to the Company’s 6.875% Perpetual Non-Cumulative Preferred Stock, Series A, par value $10.00 per share.

*“Sandy Spring” refers toSandy Spring Bancorp, Inc., which we acquired on April 1, 2025, pursuant to the Agreement and Plan of Merger dated October 21, 2024, by and between the Company and Sandy Spring, which we refer to as the “Sandy Spring merger agreement.”

*“American National” refers to American National Bankshares Inc., which we acquired on April 1, 2024,

pursuant to the Agreement and Plan of Merger dated July 24, 2023, by and between the Company and American National, which we refer to as the “American National merger agreement.”

The “Forward Sale Agreements” refers to the forward sale agreements between the Company and Morgan Stanley & Co. LLC, as forward purchaser (the “Forward Purchaser”), each dated as of October 21, 2024, in connection with which the Forward Purchaser or its affiliate borrowed from third parties an aggregate of 11,338,028 shares of our common stock for sale in a registered public offering.