Company: BCDRF
Filing Date: 2025-10-31
Form Type: 424B5
Source: 0001193125-25-260533
Chunk: 72

Company: Banco Santander, S.A.
Filing Date: 2025-10-31
Form: 424B5
Chunk 72
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 that is not a U.S. registered broker-dealer intends to effect sales of Notes in the United States, it will do so through one or more U.S. registered broker-dealers or otherwise in accordance with the applicable U.S. securities laws and regulations. Commissions and Discounts The Underwriters propose to offer the Notes directly to the public at the public offering prices set forth on the cover page of this prospectus supplement. We estimate that the expenses of the offering payable by us, excluding the underwriting discount, will be approximately $1.5 million. The Underwriters have agreed to reimburse us for approximately $0.3 million of such expenses. S-44

Matters Relating to the Initial Offering and Market-Making Resales

After the initial offering, the public offering prices or any other term of the offering may be changed.

The Notes will be offered in the United States through those Underwriters who are registered to offer the Notes for sale in the United States
either directly or indirectly through their U.S. broker-dealer affiliates, or such other registered dealers as may be designated by the Underwriters. We intend to apply for the listing of the Notes on the New York Stock Exchange in accordance with
its rules. The Notes are a new issue of securities with no established trading market. We have been advised by the Underwriters that the Underwriters, with the exception of Santander US Capital Markets LLC, intend to make a market in the Notes, but
they are not obligated to do so and may discontinue market-making at any time without notice. No assurance can be given as to the liquidity of the trading market for the Notes. If an active trading market for the Notes does not develop, the market
price and liquidity of the Notes may be adversely affected. If the Notes are traded, they may trade at a discount from their initial offering price, depending on prevailing interest rates, the market for similar securities, Banco Santander’s
operating performance and financial condition, general economic conditions and other factors.

In this prospectus supplement, the term
“the offering” means the initial offering of the Notes made in connection with their original issuance and not any subsequent resales of Notes in market-making transactions.

Settlement

The Notes will settle through
the facilities of DTC and its direct and indirect participants (including Euroclear and Clearstream Luxembourg). The initial CUSIP number for the 2030 Floating Rate Notes is 05971KAT6 and the ISIN is US05971KAT60. The initial