Consent of Person Named as About to Become Director (Form 8-K)

Consent of Person Named as About to Become Director

In accordance with Rule 438 under the Securities Act of 1933, as amended, the undersigned hereby consents to being named as a person who is anticipated to become a director of Burke & Herbert Financial Services Corp. ("Burke & Herbert") following the consummation of the merger of LINKBANCORP, Inc. ("LNKB") with and into Burke & Herbert in accordance with the Agreement and Plan of Merger, dated as of December 18, 2025, between Burke & Herbert and LNKB, as described in the joint proxy statement/prospectus, which forms a part of the Registration Statement on Form S-4 of Burke & Herbert, and any amendment or supplement thereto (File No. 333-292956, the "Registration Statement"), and to being named in this Current Report on Form 8-K, as may be amended from time-to-time (the "Form 8-K"), and also consents to the filing of this consent as an exhibit to the Form 8-K and to the incorporation by reference of this consent as an exhibit to the Registration Statement.

/s/ Diane Poillon

March 05, 2026

Diane Poillon

Date