Company: BCDRF
Filing Date: 2025-10-31
Form Type: 424B5
Source: 0001193125-25-260533
Chunk: 316

Company: Banco Santander, S.A.
Filing Date: 2025-10-31
Form: 424B5
Chunk 316
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, dated July 30 and the Order of the Ministry of Finance and Order dated December 17, 2010, a refund of an amount withheld in excess of any applicable NRIT (taking into account an available exemption or reduction under the NRIT Law or applicable DTT) can be requested and obtained directly from the relevant Spanish tax authorities. To pursue the refund claim, the shareholder (who is the beneficial owners entitled to receive the income payments in respect of the ordinary shares) is required to file inter alia:

| • |     | the corresponding Spanish tax refund form (currently, tax form 210); |

| • |     | a valid certificate of tax residence issued by the relevant tax authorities of the country of residence of the                                                                                                                                           
 relevant shareholder stating that the shareholder is a resident of such country (and, in case an exemption or reduction of NRIT is claimed pursuant to a DTT, such certificate must indicate that the relevant investor is a resident therein within the 
 meaning of the relevant DTT) or, as the case may be, the equivalent DTT form; and                                                                                                                                                                        |

| • |     | documentary evidence of the bank account to which the excess amount withheld should be paid. |

For further details, prospective shareholders should consult their own tax advisors. 154

Taxation of capital gains Capital gains derived from the transfer or sale of the ordinary shares will be deemed to be income arising in Spain, and, therefore, subject to NRIT, at the applicable rate (currently set at 19%). Gains arising from the sale of the ordinary shares are not currently subject to withholding tax on account of NRIT. As a general rule, capital gains and losses will be calculated separately for each transaction and it is not possible to offset losses derived from a given transfer of shares against capital gains obtained upon another transfer of shares. However, capital gains derived from the transfer of ordinary shares will be exempt from NRIT in Spain in any of the three following cases:

| • |     | Capital gains derived from the transfer of the shares on an official Spanish secondary stock market (such as the                                                                                      
 Madrid, Barcelona, Bilbao or Valencia stock exchanges) by any non-Spanish tax resident shareholder who is tax resident of a country that has entered into a DTT with Spain containing an “exchange of 
 information” clause. This exemption is not applicable to capital gains obtained by a non-Spanish shareholder through a country or territory that is defined as a                                      
 non-cooperative jurisdiction (jurisdicción no cooperativa