Company: BBVXF
Filing Date: 2025-08-12
Form Type: DRS
Source: 0000950123-25-007520
Chunk: 213

Company: BANCO BILBAO VIZCAYA ARGENTARIA, S.A.
Filing Date: 2025-08-12
Form: DRS
Chunk 213
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as of the date of this offer to exchange/prospectus, Form 210) between January 1 and 20 of the year following accrual of the capital gain in question. In particular, where any of the exemptions mentioned above applies, the seller will be obliged to file with the Spanish tax authorities the relevant Spanish tax form together with the certificate of tax residence in the United States for the purposes of the United States-Spain Treaty, duly issued by the IRS evidencing its entitlement to the exemption. For Spanish tax purposes, such Tax Treaty Certificates are generally valid for one year from the date the certificate is issued. Spanish Standard Refund Procedure According to Spanish Regulations on NRIT, approved by Royal Decree 1776/2004, of July 20 and the Order dated December 17, 2010, a refund for the amount withheld in excess of the United States-Spain Treaty can be obtained from the relevant Spanish tax authorities. To pursue the refund claim, the Qualifying Shareholder is required to file:

| • |     | the applicable Spanish tax form (as of the date of this offer to exchange/prospectus, Form 210); |

| • |     | the certificate of tax residence issued by the IRS stating that, to their knowledge, the U.S. Qualifying 
 Shareholder is a tax resident of the United States within the meaning of the United States-Spain Treaty; |

| • |     | documentary evidence that NRIT was withheld with respect to such 
 non-Spanish tax resident shareholder; and                        |

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

For the purposes of this Spanish Standard Refund Procedure, a Qualifying Shareholder would need to file a Form 210 (together with the corresponding documentation) from February 1 following the year in which the NRIT was withheld, and up to the four-year period after the end of the corresponding filing period in which BBVA reported and paid such withholding taxes. The Spanish tax authorities may make the refund within the six months following the filing of the refund claim. 146

As confidentially submitted to the Securities and Exchange Commission on August 11, 2025.

This Amendment No. 4 has not been publicly filed with the Securities and Exchange Commission and all

information herein remains strictly confidential.

For further details, prospective Qualifying Shareholders should consult their tax advisors.

Wealth Tax

Unless
an applicable convention for the avoidance of double taxation on wealth taxes provides otherwise