Company: BBVXF
Filing Date: 2025-05-27
Form Type: 425
Source: 0001193125-25-127708
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Company: BANCO BILBAO VIZCAYA ARGENTARIA, S.A.
Filing Date: 2025-05-27
Form: 425
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Filed by Banco Bilbao Vizcaya Argentaria, S.A.

Pursuant to Rule 425 under the Securities Act of 1933

Subject Company: Banco de Sabadell, S.A.

Commission File
No.: 333-281111

Banco Bilbao Vizcaya Argentaria, S.A. (“BBVA”), in compliance with the Securities Market
legislation and further to the communication of other relevant information dated April 30, 2025 (with registration number 34482), hereby communicates the following:

### OTHER RELEVANT INFORMATION
In relation to
the voluntary tender offer launched by BBVA for the entire share capital of Banco de Sabadell, S.A. (“Banco Sabadell”) (the “Offer”), for which the prior announcement was published as inside information on
May 9, 2024 (with registration number 2241) and the request for authorisation was submitted to the Spanish Securities Market Commission (CNMV) on May 24, 2024, BBVA informs that, as of today, it has received the notification of the
decision of the Spanish Minister of Economy, Trade and Business to refer to the Council of Ministers the approval of the National Commission on Markets and Competition (CNMC) of the economic concentration resulting from the Offer.

In accordance with Article 36 of the Competition Defense Law, the Council of Ministers will have a period of one month to issue its decision in
accordance with the aforementioned Law.

Madrid, May 27, 2025

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. 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 THE PROPOSED TRANSACTION WHEN THEY BECOME AVAILABLE BECAUSE THEY WILL CONTAIN IMPORTANT INFORMATION. All such documents filed with the SEC will be available free of
charge at the SEC’s website at www.sec.gov.

This communication shall not constitute an offer to sell or the solicitation of an offer to buy any securities, nor shall there be any sale of securities in any
jurisdiction in which