Company: BCDRF
Filing Date: 2025-04-30
Form Type: 6-K
Source: 0000891478-25-000084
Chunk: 4

Company: Banco Santander, S.A.
Filing Date: 2025-04-30
Form: 6-K
Chunk 4
---
 -221 |     |            |    — |     |                                                   |       — |     |                   |      — |     |                            |       — |     |                          |      — |     |      5 |     |       |    -213 |
| Balance as at 03-31-2025                        |     |             | 7,576 |     |               | 40,079 |     |                                         | — |     |                          | 215 |     |                               | 94,871 |     |                      | — |     |                | -6,450 |     |            | -597 |     |                                                   |   3,402 |     |                   | -1,532 |     |                            | -36,179 |     |                          | -1,888 |     | 11,017 |     |       | 110,514 |

<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 three-month period ended 31 March 2025.</div>

| January - March 2025 |     | 9 |

<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 EQUITY
<div align='center'>FOR THE THREE-MONTH PERIODS ENDED 31 MARCH 2025 AND 2024

(EUR million)</div>

|                                                 |     | Capital     |       |     | Share premium |        |     | Equity instruments issued (not capital) |     |     | Other equity instruments |     |     | Accumulated retained earnings |        |     | Revaluation reserves |   |     | Other reserves |        |     | Own shares |        |     | Profit Attributable to shareholders of the parent |         |     | Interim dividends |        |     | Other comprehensive income |         |     | Non-Controlling interest |        |     |        |     | Total |         |
| Other comprehensive income                      |     | Other items |       |     |               |        |     |                                         |