Company: BCDRF
Filing Date: 2025-06-24
Form Type: 6-K
Source: 0000950103-25-007723
Chunk: 14

Company: Banco Santander, S.A.
Filing Date: 2025-06-24
Form: 6-K
Chunk 14
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 to sue the company
or its officers or directors in a Spanish court for violations of the U.S. securities laws. Finally, it may be difficult to compel the
company and its affiliates to subject themselves to a U.S. court’s judgment.

You should be aware that the company
may purchase subject securities otherwise than under the proposed transaction, such as in open market or privately negotiated purchases,
at any time during the pendency of the proposed transaction.

The New Preferred Securities will be
offered outside the United States to non-U.S. persons, pursuant to the provisions of Regulation S. The New Preferred Securities will not
be registered under the Securities Act or the securities laws of any state or other jurisdiction of the United States and may not be offered
or sold in the United States or delivered, directly or indirectly, within the United States or to, or for the account or benefit of, U.S.
persons absent registration or an applicable exemption from the registration requirements of the Securities Act. Any investment decision
to purchase any New Preferred Securities should be made solely on the basis of the information contained in the preliminary offering circular
relating to the New Preferred Securities that will be made available to investors together with pricing details (when available).

<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: | June 24, 2025 |     | Banco Santander, S.A. 
 By:                   | /s/ Pedro de Mingo Kaminouchi |                              |
|:------|:--------------|:----|:----------------------|:------------------------------|:-----------------------------|
|       |               |     |                       | Name:                         | Pedro de Mingo Kaminouchi    |
|       |               |     |                       | Title:                        | Head of Corporate Compliance |