Company: BCDRF
Filing Date: 2025-07-31
Form Type: 6-K
Source: 0000891478-25-000111
Chunk: 2

Company: Banco Santander, S.A.
Filing Date: 2025-07-31
Form: 6-K
Chunk 2
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 associated with the business subject to the Poland disposal are reported under a single line in the consolidated income statement — 'profit/(loss) after tax from discontinued operations' — for results corresponding to both 2025 and 2024. Consequently, the results from the Poland disposal perimeter are excluded line by line from the breakdown of continuing operations in both periods.

However:

• In the underlying income statement, both at the Group and the primary and secondary segment levels (which are presented on an underlying basis only), the results from Poland continue to be reported line by line and disaggregated, as they were in previous quarterly disclosures given the fact that the management of Santander Polska remains unchanged until the Poland disposal is completed. This reporting approach is consistent with the information used internally in management reporting, as well as with other public Group disclosures.

• For the same reason, all management metrics included in this report have been calculated including Poland, i.e. maintaining the same perimeter that existed at the time of the announcement of the Poland disposal. However, if we were to exclude Poland, the Group's main management ratios would not be materially affected.

For further information, see the ' Alternative performance measures ' section in the appendix to this report.

Additionally, after the close of Q2 2025, Santander announced it has reached an agreement to acquire 100% of TSB Banking Group plc's (TSB) share capital from Banco de Sabadell, S.A. (Sabadell) with a valuation of GBP 2.65 billion (approximately EUR 3.1 billion) in an all-cash transaction. This agreement does not impact the information presented is this report nor is it expected to affect future publications until the transaction is completed. The transaction is subject to Sabadell shareholder approval and the corresponding regulatory approvals.

| January - June 2025 |     | 3 |

| Significant events    
 Key consolidated data 
 Business model        |     | Group financial information |     | Financial information by segment |     | Sustainability       
 Corporate governance |     | Appendix |     | Index |

### KEY CONSOLIDATED DATA
| BALANCE SHEET (EUR million)                                                                                                                                                                                                                           |     |           | Jun-25 |     |           | Mar-25 |     |      | % |     |           | Jun-25 |     |           | Jun-24 |     |      | % |     |           | Dec-24 |
| Total assets                                                                                                                                                                                                                                          |     | 1,815,888 |        |     | 1,