Company: BCDRF
Filing Date: 2025-10-31
Form Type: 424B5
Source: 0001193125-25-260533
Chunk: 199

Company: Banco Santander, S.A.
Filing Date: 2025-10-31
Form: 424B5
Chunk 199
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 supplement and/or free writing prospectus with the SEC, which investors should read carefully. The prospectus supplement and/or free writing prospectus will summarize specific financial terms of your security and may contain additional or different terms of those contingent convertible capital securities to those described in this prospectus. All references in this prospectus to a prospectus supplement in respect of any series of securities include references to a free writing prospectus if a free writing prospectus is filed to set forth any terms of such series. The terms presented here, together with the terms contained in the prospectus supplement, will be a description of the material terms of the contingent convertible capital securities, but if there is any inconsistency between the terms presented here and those in the prospectus supplement, those in the prospectus supplement will apply and will replace those presented here. Therefore, the statements made below in this section may not apply to each investor’s contingent convertible capital security. Contingent convertible capital securities will be issued by Banco Santander under a contingent convertible capital securities indenture. The contingent convertible capital securities indenture is a contract between Banco Santander, as issuer, and The Bank of New York Mellon, London Branch as Trustee. The contingent convertible capital securities indenture does not limit Banco Santander’s ability to incur additional indebtedness, including the issuance of further contingent convertible capital securities. Investors should also read the contingent convertible capital securities indenture and any related supplemental indenture establishing such contingent convertible capital convertible securities, which have been filed with the SEC as an exhibit to the registration statement of which this prospectus is a part. General The contingent convertible capital securities are Banco Santander’s perpetual subordinated convertible debt securities mandatorily convertible into Banco Santander’s ordinary shares only upon the occurrence of certain events. The contingent convertible capital securities are not deposits and are not insured or guaranteed by the U.S. Federal Deposit Insurance Corporation or any other government agency of the United States or the Kingdom of Spain. Banco Santander may issue contingent convertible capital securities in one or more series. The relevant prospectus supplement for any particular series of contingent convertible capital securities will describe the terms of the offered contingent convertible capital securities, including, but not limited to, some or all of the following terms, to the extent such terms differ from or are in addition to those set forth in this prospectus:

| • |     | the specific designation and Liquidation Preference of the contingent convertible capital securities; |

| • |     | how to calculate Distributions; |

| • |     | the date or dates from which D