Company: BCDRF
Filing Date: 2025-10-31
Form Type: 424B5
Source: 0001193125-25-260533
Chunk: 158

Company: Banco Santander, S.A.
Filing Date: 2025-10-31
Form: 424B5
Chunk 158
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AC or any equivalent or successor principles, then
applicable to Banco Santander and/or the Group including, without limitation to the generality of the foregoing, the CRD IV, the BRRD, the SRM Regulation and those regulations, requirements, guidelines and policies relating to capital adequacy,
resolution and/or solvency of the Regulator then applicable to Banco Santander and/or the Group including, among others, those giving effect to the MREL and the TLAC or any equivalent or successor principles, in each case to the extent then in
effect in the Kingdom of Spain (whether or not such regulations, requirements, guidelines or policies have the force of law and whether or not they are applied generally or specifically to Banco Santander and/or the Group).

“Bail-in Power” means any power existing from time to time under, and exercised in
compliance with, any laws, regulations, rules or requirements in effect in the Kingdom of Spain, relating to (i) the transposition of the BRRD, including its articles 48 and 59 (including but not limited to, Law 11/2015, RD 1012/2015 and any
other implementing regulations), (ii) the SRM Regulation and (iii) the instruments, rules or standards created thereunder, pursuant to which any obligation of a Regulated Entity (or an affiliate of such Regulated Entity) can be reduced,
cancelled, suspended, modified, or converted into shares, other securities, or other obligations of such Regulated Entity (or affiliate of such Regulated Entity).

48

“BRRD” means Directive 2014/59/EU of 15 May establishing the framework for
the recovery and resolution of credit institutions and investment firms or such other directive as may come into effect in place thereof, as amended from time to time.

“Business Day” means, unless otherwise provided for in the applicable prospectus supplement, any day, other than Saturday or
Sunday, that is not a legal holiday nor a day on which banking institutions are authorized or required by law, regulation or executive order to close in the City of New York or London nor a day when the Trans-European Automated Real-time Gross
Settlement Express Transfer system (the “TARGET2 System”), or any successor thereto, is closed for business.

“Calculation Agent” means the Trustee or such other person authorized by Banco Santander as the party responsible for calculating
the rate(s) of interest and interest amount(s) and/or such other