RBKB · Quarterly Report (Form 10-Q) · Filed August 13, 2026

Rhinebeck Bancorp Inc — 10-Q exhibit

rbkb-20260630xex32d1.htm

Rhinebeck Bancorp Inc on Boardroom Alpha

Exhibit 32.1

CERTIFICATE PURSUANT TO

18 U.S.C. SECTION 1350

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

Pursuant to 18 U.S.C. § 1350, Matthew J. Smith, President and Chief Executive Officer of Rhinebeck Bancorp, Inc. (the “Company”), and Kevin Nihill, Chief Financial Officer of the Company, each certify in their capacity as officers of the Company that they have reviewed the Company’s Quarterly Report on Form 10-Q for the period ended June 30, 2026 (the “Report”) and that, to the best of their knowledge:

(1) the Report fully complies with the requirements of Sections 13(a) of the Securities Exchange Act of 1934; and

(2) the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.


August 13, 2026	/s/ Matthew J. Smith
	Matthew J. Smith
	President and Chief Executive Officer

August 13, 2026	/s/ Kevin Nihill
	Kevin Nihill
	Chief Financial Officer

The foregoing certification is being furnished solely pursuant to 18 U.S.C. § 1350 and is not being filed as part of the Report or as a separate disclosure document.

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