Company: BCDRF
Filing Date: 2025-10-29
Form Type: 6-K
Source: 0000891478-25-000132
Chunk: 19

Company: Banco Santander, S.A.
Filing Date: 2025-10-29
Form: 6-K
Chunk 19
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2025, at EUR 3,504 million, and Q2 2025, at EUR 3,431 million. Compared to Q2 2025 , profit in Q3 2025 increased 2%. In constant euros it increased 3%, including a 1 pp impact from the depreciation of the Argentine peso observed during the quarter. For further information, see the 'Alternative performance measures' section in this report. By line and in constant euros: • Total income remained above EUR 15 billion, but declined 1%, due to the impact of Argentina (excluding it, total income was flat), with the following breakdown by line: • Net interest income decreased 2%, strongly impacted by the exchange rate in Argentina. Excluding it, the NII was flat, as the good performance in Consumer (driven by good margin management) and CIB offset lower results in Retail (affected by negative sensitivity in Brazil and changes in inflation in Chile). • Net fee income increased 1% quarter-on-quarter, supported by good performances mainly in Consumer and Payments which more than offset the decrease in Retail (affected by the macroeconomic environment in Brazil and seasonality in Spain). • Gains on financial transactions grew 63%, mainly boosted by a positive performance in CIB and the Corporate Centre. • Operating expenses in Q3 2025 improved 1% quarter-on-quarter due to good results in Retail in most countries and favoured in part by the impact of the Argentine peso depreciation. • Net loan-loss provisions improved 3% driven by good performances in Retail and in the Corporate Centre, due to provisions recorded in Q2 2025 related to our plan to accelerate NPL ratio reductions. • Other gains (losses) and provisions recorded a EUR 871 million loss in Q3 2025, compared to a EUR 964 million loss in Q2 2025, due to lower provisions related to CHF mortgage portfolio in Poland.

| 16 |     | January- September2025 |

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

#### Grupo Santander's balance sheet
Since Q2 2025, as a result of the announcement of the Poland disposal and in accordance with IFRS 5 requirements, in the Group’s consolidated balance