X0609 4 2026-05-01 0 0001964333 Burke & Herbert Financial Services Corp. BHRB 0001945031 Poillon Diane false 100 SOUTH FAIRFAX STREET ALEXANDRIA VA 22314 1 0 0 0 0 Common Stock 2026-05-01 4 A 0 1928 A 1928 D Stock Options 74.08 2026-05-01 4 A 0 675 A 2020-06-14 2029-06-14 Common Stock 675 675 D Pursuant to the Agreement and Plan of Merger dated December 18, 2025 (the "Merger Agreement") by and between LINKBANCORP, Inc. ("LNKB") and BHRB, effective May 1, 2026 (the "Closing Date") LNKB merged into BHRB (the "merger") with BHRB surviving. Pursuant to the Merger Agreement, each of the Reporting Person's 14,285 directly held shares of LNKB common stock outstanding at the Closing Date was converted into the right to receive 0.1350 shares of BHRB common stock, with cash to be received in lieu of fractional shares Pursuant to the Merger Agreement by and between LNKB and BHRB, effective as of the Closing Date, each of the Reporting Person's LNKB options outstanding at the Closing Date were converted into the right to receive an option of Burke & Herbert, subject to the same terms and conditions as applied to the corresponding LNKB Option immediately prior to the Closing Date, as adjusted pursuant to the Merger Agreement. /s/ Matthew Rucker, as Attorney-in-Fact for Diane Poillon 2026-05-01