Atlantic Union Bankshares Corp

Other Information**

**Given the timing of the following event, the following information is included in this Quarterly Report pursuant to Item 5.03 of Form 8-K, “Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year” in lieu of filing a Form 8-K.

Amendment of Bylaws

On October 30, 2025, the Company’s Board of Directors (the “Board”) adopted amended and restated bylaws of the Company (the “Amended and Restated Bylaws”), effective as of such date, in order to, among other things: (i) enhance procedural mechanics and information requirements in connection with shareholder nominations of directors and submissions of proposals regarding other business at shareholder meetings, including to clarify the scope of information required regarding proposing shareholders, proposed nominees and other related persons; (ii) clarify the powers of the Board and the chair of a shareholder meeting to regulate conduct at a meeting; (iii) require any director candidate to make themselves available to be interviewed by members of the Board; and (iv) make certain other clarifying, conforming and ministerial changes.

The foregoing description does not purport to be complete and is qualified in its entirety by reference to the complete text of the Amended and Restated Bylaws, a copy of which is filed as Exhibit 3.2 to this Quarterly Report and incorporated herein by reference.

**Trading Arrangements

During the three months ended September 30, 2025, none of our directors or officers (as defined in Rule 16a-1(f) of the Exchange Act) informed us of theadoption ortermination of any Rule 10b5-1 trading arrangement ornon-Rule 10b5-1 trading arrangement (as such terms are defined in Item 408 of Regulation S-K of the Securities Act of 1933).

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