Company: BCDRF
Filing Date: 2025-12-02
Form Type: 6-K
Source: 0000950103-25-015596
Chunk: 3

Company: Banco Santander, S.A.
Filing Date: 2025-12-02
Form: 6-K
Chunk 3
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 representation or warranty, express or implied, as to the truth, accuracy or completeness of the information in this announcement (or whether any information has been omitted from the announcement).

Past performance does not indicate future outcomes

Statements about historical performance or growth rates must not be construed as suggesting that future performance, share price or results (including earnings per share) will necessarily be the same or higher than in a previous period. Nothing in this document should be taken as a profit and loss forecast.

2

<div align='center'>SIGNATURE</div>

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

| Date: | December 2, 2025 | Banco Santander, S.A. 
 By:                   | /s/ Pedro de Mingo Kaminouchi |                              |
|:------|:-----------------|:----------------------|:------------------------------|:-----------------------------|
|       |                  |                       | Name:                         | Pedro de Mingo Kaminouchi    |
|       |                  |                       | Title:                        | Head of Corporate Compliance |