Company: BBVXF
Filing Date: 2025-09-22
Form Type: 425
Source: 0001193125-25-210709
Chunk: 2

Company: BANCO BILBAO VIZCAYA ARGENTARIA, S.A.
Filing Date: 2025-09-22
Form: 425
Chunk 2
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 & Transactions, S.L.U., as an independent expert, dated                                                                
 September 22, 2025, for the purpose of evidencing the improvement in the consideration in accordance with the provisions of Article 31.1 of Royal Decree 1066/2007. |

| (iv) | Documentation evidencing the constitution of an additional unavailable cash deposit to guarantee the cash payment of 
 the “peaks” (“picos”) resulting from the exchange ratio.                                                             |

| (v) | Template of the announcement of the amendment of the Offer to be published in the Listing Bulletins of the Madrid, 
 Barcelona, Bilbao and Valencia Stock Exchanges and in a national newspaper.                                        |

| (vi) | Copy of the independent auditor’s special report on the compilation of the summarized proforma combined 
 financial information.                                                                                  |

| 3. | Notifications |

BBVA indicates below the address for notifications and communications in relation to this request for authorization and the corresponding file with the CNMV: J&A Garrigues, S.L.P. Fernando Vives Ruiz Álvaro López-Jorrín Hernández Leticia Comin Fernández-Cuesta Plaza de Colón, 228046 Madrid Tel.: +34 915 145 200 alvaro.lopez-jorrin@garrigues.com leticia.comin@garrigues.com 2

Unofficial English translation for information purposes only

By virtue of the above,

### REQUESTS
To the National
Securities Market Commission to consider this document as submitted, together with the supplement to the prospectus of the Offer and other ancillary documentation, to consider that the statements contained herein have been made and to admit them for
processing and authorize the modification of the Offer.

In Madrid, on September 22, 2025.

Banco Bilbao Vizcaya Argentaria, S.A.

P.p.

Victoria del Castillo Marchese

3

IMPORTANT INFORMATION FOR INVESTORS

In connection with the proposed transaction, Banco Bilbao Vizcaya Argentaria, S.A. has filed with the U.S. Securities and Exchange Commission
(the “SEC”) a Registration Statement on Form F-4 that includes an offer to exchange/prospectus (the “Registration Statement”). INVESTORS AND SECURITY HOLDERS ARE URGED TO READ THE REGISTRATION
STATEMENT, OFFER TO EXCHANGE/PROSPECTUS AND ALL OTHER RELEVANT DOCUMENTS THAT HAVE BEEN OR WILL BE FILED WITH THE SEC REGARDING