Company: BCDRF
Filing Date: 2025-10-31
Form Type: 424B5
Source: 0001193125-25-260533
Chunk: 26

Company: Banco Santander, S.A.
Filing Date: 2025-10-31
Form: 424B5
Chunk 26
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 in accordance with the laws of the State of New York, except that the authorization and execution by Banco Santander of the Base Indenture, the 
 Third Supplemental Indenture and the Notes, and certain provisions of the Notes, the Base Indenture and the Third Supplemental Indenture related to the ranking of the Notes, shall be governed by and construed in accordance with Spanish law.     |

| We, the Trustee and the holders of the Notes (by their acceptance of the Notes) irrevocably submit only to the jurisdiction of            
 (i) any Federal or State court in the Borough of Manhattan, The City of New York, New York and (ii) the courts of a European Union member |

S-13

| state or states that are parties to the Lugano II Convention and which have jurisdiction pursuant to the Brussels Ia Regulation and/or the Lugano II Convention, in any suit, action or proceeding                                                      
 arising out of or relating to the Base Indenture, the Third Supplemental Indenture, the Notes or the transactions contemplated thereby. We, the Trustee and the holders of the Notes (by their acceptance of the Notes) irrevocably and unconditionally 
 waive any objection to the laying of venue of any such suit, action or other proceeding in any such courts.                                                                                                                                             |

| “Brussels Ia Regulation” means Regulation (EU) No. 1215/2012 of the European Parliament and of the Council of 12 December 2012 on jurisdiction and the recognition and enforcement of judgments in 
 civil and commercial matters, as amended.                                                                                                                                                          |

| “Lugano II Convention” means the Convention on jurisdiction and the recognition and enforcement of judgments in civil and commercial matters, signed on 30 October 2007. |

| Risk Factors | You should carefully consider all of the information in this prospectus supplement and the accompanying prospectus, which includes information incorporated by reference. In particular, you should evaluate the specific factors under 
 “Risk Factors” beginning on page S-15 of this prospectus supplement, page 7 of the accompanying prospectus, as well as those discussed under the heading “Risk                                                                          
 Factors” in the Group’s Annual Report on Form 20-F for the year ended December 31, 2024, and under the heading “Part 2. Supplemental Information—Item 4. Risk                                                                           
 Factors” in the Group’s Report on Form 6-K filed with the SEC on July 31,