Company: BCDRF
Filing Date: 2025-02-28
Form Type: 20-F
Source: 0000891478-25-000054
Chunk: 872

Company: Banco Santander, S.A.
Filing Date: 2025-02-28
Form: 20-F
Chunk 872
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 and to the discretion of Banco Santander. The 9.625% interest rate is set for the first ten years, revised every 5years thereafter by applying a margin of 529.8basis points on the five-yearUST Rate.

I. Payment is subject to certain conditions and to the discretion of Banco Santander. The 7.00% interest rate is set for the first six years, revised every 5years thereafter by applying a margin of 443.2basis points on the five-yearMid-Swap rate.

J. Payment is subject to certain conditions and to the discretion of Banco Santander. The 8.00% interest rate is set for the first ten years, revised every 5years thereafter by applying a margin of 391.1basis points on the five-yearMid-Swap rate.

Annual report 2024 828

| Contents |     | Auditor's report |     | Consolidated financial statements |     | Notes to the consolidated financial statements |     | Appendix |

### APPENDIX
Annual report 2024 829

| Contents |     | Auditor's report |     | Consolidated financial statements |     | Notes to the consolidated financial statements |     | Appendix |

#### Appendix I
| Subsidiaries of Banco Santander, S.A.1                   |     |                |     |                        |        |   |          |        |   |     |                                |        |   |           |        |   |                                  |
|                                                          |     |                |     | % of ownership held by 
 Banco Santander        |        |   |          |        |   |     | Percentage of voting power (d) |        |   |           |        |   |                                  |
| Company                                                  |     | Location       |     | Direct                 |        |   | Indirect |        |   |     | Year 2024                      |        |   | Year 2023 |        |   | Activity                         |
| 2 & 3 Triton Limited                                     |     | United Kingdom |     |                        |   0.00 | % |          | 100.00 | % |     |                                | 100.00 | % |           | 100.00 | % | Real estate                      |
| A & L CF (Guernsey) Limited (f)                          |     | Guernsey       |     |                        |   0.00 | % |          | 100.00 | % |     |                                | 100