Company: BCDRF
Filing Date: 2025-03-03
Form Type: 6-K
Source: 0000891478-25-000057
Chunk: 39

Company: Banco Santander, S.A.
Filing Date: 2025-03-03
Form: 6-K
Chunk 39
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 allow, from 2027, the competent authority to apply the higher of the two outcomes (national and EU scopes), which could increment the applicable D-SIB buffer surcharge accordingly. In the case of banking groups that are G-SIBs and are also categorised as D-SIBs, the higher of the two surcharges will apply at consolidated level. • Countercyclical capital buffer (CCyB) : Applied when National authorities consider that credit is growing excessively in a certain jurisdiction with the aim of slowing it down. Designed to be built up in periods of excessive credit growth and released in times of crisis and is therefore one of the few (apart from the SyRB) capital buffers that can be released in a discretionary manner if considered appropriate by the national authority. The CET1 surcharge implied by this capital buffer is calculated specifically for each institution or group and consists of the weighted average of the countercyclical buffer rates applied in the territories in which the entity's relevant lending exposures are located. The surcharges imposed by national authorities

in the several locations of the institution's exposures are generally applicable at a consolidated level. In line with the recommendations of the Basel Committee and the European Central Bank, national authorities in the EU are implementing the positive neutral countercyclical buffer, which activates the buffer at a minimum level greater that 0% in each jurisdiction, to give room to National authorities to perform an eventual reduction in institution's capital requirements in the event of a crisis. • Systemic risk buffer (SyRB): National authorities may require this buffer to address macroprudential or systemic risks that are not covered by other buffers and that could trigger a disturbance in the financial system with serious consequences for both the system itself and the real economy. Its application by the authorities is discretionary and may be required either for all institutions or for a subsets of institutions, for all exposures or a subset of exposures (domestic, third countries, mortgage sector etc.). The surcharges imposed by the National authorities on the different exposures or institutions of a country require the endorsement of the Spanish macroprudential authority to be applicable at consolidated level in Santander. The table below summarises the regulation that sets the buffer surcharge rates on the different capital buffers to be applied and the situation of Banco Santander in 2024:

| Application                                       |     | Buffers (% RWA) |     |                    |     |     |                              2024 |
| All institutions                                  |     |                 |     | -CCoB              |