Company: BCDRF
Filing Date: 2025-12-02
Form Type: 6-K
Source: 0000950103-25-015596
Chunk: 1

Company: Banco Santander, S.A.
Filing Date: 2025-12-02
Form: 6-K
Chunk 1
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 customary
exemptions. The lock-up also allows for the completion of the Erste transaction.

Settlement of the Placement is expected
to occur on a T+2 basis on 4 December 2025, on usual settlement terms.

Banco Santander, S.A. (in its capacity
as a manager and not as shareholder selling the shares), Santander Bank Polska S.A. – Santander Brokerage House (Santander Biuro
Maklerskie), Bank Handlowy w Warszawie S.A. – Brokerage Office of Bank Handlowy, Citigroup Global Markets Europe AG, BofA Securities
Europe SA and Goldman Sachs Bank Europe SE acted as Joint Global Coordinators and Joint Bookrunners for the Placement. Erste Group Bank
AG and Erste Securities Polska S.A. acted as the co-managers.

Boadilla del Monte (Madrid), 2
December 2025

1

<div align='center'>IMPORTANT INFORMATION</div>

Forward-looking statements

Santander hereby warns that this document contains “forward-looking statements” as per the meaning of the U.S. Private Securities Litigation Reform Act of 1995. Such statements can be understood through words and expressions like “expect”, “project”, “anticipate”, “should”, “intend”, “probability”, “risk”, “VaR”, “RoRAC”, “RoRWA”, “TNAV”, “target”, “goal”, “objective”, “estimate”, “future”, “commitment”, “commit”, “focus”, “pledge” and similar expressions. They include (but are not limited to) statements on future business development, shareholder remuneration policy and non financial information.

While these forward-looking statements represent our judgement and future expectations concerning our business developments and results may differ materially from those anticipated, expected, projected or assumed in forward-looking statements.

In particular, forward looking statements are based on current expectations and future estimates about Santander’s and third-parties’ operations and businesses and address matters that are uncertain to varying degrees and may change, including, but not limited to (a) expectations, targets, objectives, strategies and goals relating to environmental, social, safety and governance performance, including expectations regarding future execution of Santander’s and third-parties’ (including governments and other public actors) energy and climate strategies, and the underlying assumptions and estimated impacts on Santander’s and third-parties’ businesses related thereto; (b) Santander’s