Company: BCDRF
Filing Date: 2025-01-08
Form Type: 424B5
Source: 0001193125-25-003514
Chunk: 70

Company: Banco Santander, S.A.
Filing Date: 2025-01-08
Form: 424B5
Chunk 70
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abilities                                             |     |      | 170 |
| Where You Can Find More Information                                          |     |      | 171 |
| Incorporation of Documents by Reference                                      |     |      | 171 |
| Cautionary Statement on Forward-Looking Statements                           |     |      | 172 |

ABOUT THIS PROSPECTUS This prospectus is part of a registration statement on Form F-3that we filed with the Securities and Exchange Commission (“SEC”) using a “shelf” registration or continuous offering process. Under this shelf process, we may sell the securities described in this prospectus in one or more offerings of an unspecified amount in one or more foreign currencies or currency units. This prospectus provides you with a general description of the debt securities and contingent convertible capital securities (convertible into ordinary shares upon a trigger event) we may offer, which we will refer to collectively as the “securities”. Each time we sell securities, we will provide a prospectus supplement that will contain specific information about the terms of that offering. The prospectus supplement will provide information regarding certain tax consequences of the purchase, ownership and disposition of the offered securities. The prospectus supplement may also add to, update or change information contained in this prospectus. If there is any inconsistency between the information in this prospectus and any prospectus supplement, you should rely on the information in that prospectus supplement. We will file each prospectus supplement with the SEC. You should read both this prospectus, the applicable prospectus supplement and any related issuer free writing prospectus, together with the additional information described under the headings “Where You Can Find More Information” and “Incorporation of Documents by Reference”. The registration statement containing this prospectus, including exhibits to the registration statement, provides additional information about us and the securities offered under this prospectus. Statements contained in this prospectus and the applicable prospectus supplement about the provisions or content of any agreement or other document are only summaries. If SEC rules require that any agreement or document be filed as an exhibit to the registration statement, you should refer to that agreement or document for its complete contents. The registration statement can be read at the SEC’s offices or obtained from the SEC’s website mentioned under the heading “Where You Can Find More Information”. Certain Terms In this prospectus, the following terms will have the meanings set forth below, unless otherwise indicated or the context otherwise requires

| • |     | “Banco Santander” means Banco Santander, S.A. and the term “Group”