[IRANNOTICE] Banco Santander, S.A. SEC Filing

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27 February 2026

Securities and Exchange Commission
100 F Street N.E.
Washington, DC 20549

Re:			Annual Report on Form 20-F for the Year Ended 31 December 2025;
			Notice of disclosure under Section 13(r) of the Securities Exchange Act of 1934

Ladies and Gentlemen:

We give notice to the Commission that we have provided disclosure under Section 13(r) of the Securities Exchange Act of 1934 in our Annual Report on Form 20-F for the year ended 31 December 2025.

Very truly yours,

Banco Santander S.A.

By:			/s/ David Hazell
			David Hazell
			Chief Compliance Officer