POWER OF ATTORNEY Filing

This filing is a POWER OF ATTORNEY document filed by William F. Van Sant, III, the EVP, CHIEF WEALTH OFFICER of CITIZENS & NORTHERN CORP. The document grants power of attorney to Melinda S. Kilburn, Elizabeth A. Pivirotto, Amy T. Garraty, Mark A. Hughes, or Mark R. Long to sign and file any instruments and documents related to the sale of securities under Rule 144 of the Securities Act of 1933 and Section 16 of the Securities and Exchange Act of 1934. The attorney-in-fact is authorized to make all necessary filings and actions. The power of attorney remains effective until no longer required, unless revoked in writing. The document was signed on May 18, 2026.