Company: BCDRF
Filing Date: 2025-10-31
Form Type: 424B5
Source: 0001193125-25-260533
Chunk: 48

Company: Banco Santander, S.A.
Filing Date: 2025-10-31
Form: 424B5
Chunk 48
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6 and November 6 of each year (each a “2030 Fixed Interest Payment Date”), commencing on May 6, 2026, up to and including November 6, 2030 (the “2030
Fixed Rate Notes Maturity Date”) or any date of earlier redemption. Interest will be paid to holders of record of the 2030 Fixed Rate Notes in respect of the principal amount thereof outstanding as of the close of business 15 calendar days
preceding the relevant 2030 Fixed Interest Payment Date, whether or not a Business Day.

Interest on the 2030 Fixed Rate Notes will be
calculated on the basis of a 360-day year consisting of twelve 30-day months and, in the case of an incomplete month, on the basis of the actual number of days elapsed
in such

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month. If any scheduled 2030 Fixed Interest Payment Date is not a Business Day, we will pay interest on the next Business Day, but interest on that payment will not accrue during the period from
and after the scheduled 2030 Fixed Interest Payment Date. If the 2030 Fixed Rate Notes Maturity Date or date of redemption or repayment is not a Business Day, we may pay interest and principal on the next succeeding Business Day, but interest on
that payment will not accrue during the period from and after the 2030 Fixed Rate Notes Maturity Date or date of redemption or repayment.

The 2035 Fixed Rate Notes

The 5.127% Senior Non Preferred Fixed Rate Notes due 2035 (the “2035 Fixed Rate Notes” and, together with the 2030 Floating Rate
Notes and the 2030 Fixed Rate Notes, the “Notes”) will be issued in an initial aggregate principal amount of $1,250,000,000 and will mature on November 6, 2035. From and including the date of issuance, which is expected to be
November 6, 2025, interest will accrue on the 2035 Fixed Rate Notes at a rate of 5.127% per annum. Interest will be payable semi-annually in arrears on May 6 and November 6 of each year (each a “2035 Fixed Interest Payment
Date” and, each of the Floating Interest Payment Date, the 2030 Fixed Interest Payment Date and the 2035 Fixed Interest Payment Date, an “Interest Payment Date”), commencing on May 6, 2026, up to