Company: BCDRF
Filing Date: 2025-07-31
Form Type: 6-K
Source: 0000891478-25-000111
Chunk: 89

Company: Banco Santander, S.A.
Filing Date: 2025-07-31
Form: 6-K
Chunk 89
---
 |     |                          |      — |     |     -5 |     |       |      -5 |
| Share-based payment                             |     |             |     — |     |               |      — |     |                                         | — |     |                          | -66 |     |                               |      — |     |                      | — |     |                |      — |     |            |      — |     |                                                   |       — |     |                   |      — |     |                            |       — |     |                          |      — |     |      — |     |       |     -66 |
| Others increases or (-) decreases of the equity |     |             |     — |     |               |      — |     |                                         | — |     |                          | 120 |     |                               |      — |     |                      | — |     |                |   -510 |     |            |      — |     |                                                   |       — |     |                   |      — |     |                            |       — |     |                          |      — |     |    -16 |     |       |    -406 |
| Balance as at 30-06-2025                        |     |             | 7,443 |     |               | 38,492 |     |                                         | — |     |                          | 271 |     |                               | 91,954 |     |                      | — |     |                | -6,922 |     |            |     -5 |     |                                                   |   6,833 |     |                   |      — |     |                            | -37,565 |     |                          | -2,032 |     | 10,516 |     |       | 108,985 |

<div align='center'>(*) Presented for comparison purposes only (see Note 1.e).

The accompanying explanatory Notes 1 to 17 are an integral part of the condensed consolidated statement of changes in total equity

for the six-month period ended 30 June 2025.</div>

| 104 |     | January - June 2025 |

<div align='center'>Translation of interim condensed consolidated financial statements originally issued in Spanish and prepared in accordance with the regulatory financial reporting framework applicable to the Group in Spain (see Notes 1 and 17). In the event of a discrepancy, the Spanish-language version prevails.</div>

### GRUPO SANTANDER

### CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN TOTAL EQU