Burke & Herbert Financial Services Corp.

Item 7.01 Regulation FD Disclosures. Attached as Exhibit 99.1 is a presentation containing information that certain members of Burke & Herbert Financial Services Corp. (the “Company”) management will use during meetings with investors, analysts, and other interested parties to assist their understanding of the Company from time to time during the third quarter of 2026. Other presentations and related materials will be made available as they are presented. The information in this Item 7.01 of this Current Report on Form 8-K, including Exhibit 99.1 attached hereto, is being furnished and shall not be deemed “filed” for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that Section, nor shall it be deemed subject to the requirements of amended Item 10 of Regulation S-K, nor shall it be deemed incorporated by reference into any filing of the Company under the Securities Act of 1933, as amended, or the Exchange Act, whether made before or after the date hereof, regardless of any general incorporation language in such filing. The furnishing of this information hereby shall not be deemed an admission as to the materiality of any such information.