Company: BBVXF
Filing Date: 2025-10-15
Form Type: 425
Source: 0001193125-25-239522
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Company: BANCO BILBAO VIZCAYA ARGENTARIA, S.A.
Filing Date: 2025-10-15
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”), pursuant to the provisions of the Spanish
Securities Market Act, hereby proceeds by means of the present document to notify 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”)
and authorized by the Spanish Securities Market Commission (CNMV) on September 5, 2025 (the “Offer”), and whose acceptance period ended on October 10, 2025, BBVA, in response to a request from the CNMV and for information purposes
only, hereby announces that:

As stated in section II.4.1.1 of the Offer prospectus, the effectiveness of the Offer is subject to the condition that
the Offer is accepted by a number of Banco Sabadell shares that allows BBVA to acquire at least more than half of the voting rights of Banco Sabadell’s shares at the end of the acceptance period, excluding any treasury shares held by Banco
Sabadell at that time.

In relation to the foregoing, Banco Sabadell has informed CNMV, which in turn has communicated such information to BBVA,
that as of October 10, 2025, it directly and indirectly holds 26,280,538 treasury shares, representing 0.52% of its share capital. Therefore, the total number of Banco Sabadell shares excluding treasury stock amounts to 4,997,397,194 (4,997,397
voting rights).

Taking the above into account, it is announced that the minimum number of Banco Sabadell shares that must accept the Offer in order
for the aforementioned minimum acceptance condition to be met is 2,498,699,000 Banco Sabadell shares (2,498,699 voting rights).

Madrid,
October 14, 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