Company: BBVXF
Filing Date: 2025-09-29
Form Type: 6-K
Source: 0001193125-25-223301
Chunk: 1

Company: BANCO BILBAO VIZCAYA ARGENTARIA, S.A.
Filing Date: 2025-09-29
Form: 6-K
Chunk 1
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 share capital of Banco
de Sabadell, S.A. (the “Offer”) has been positive but has not been effectively settled, the payment date of the interim dividend shall not take place on 7 November 2025, and such payment shall instead be made three Spanish trading
days after the date on which the Offer is effectively settled, in such a manner that, in any case, the “ex-dividend” date shall be subsequent to the effective settlement date of the Offer, ensuring the right of BBVA’s new
shareholders, resulting from the Offer, to participate in the dividend.

Madrid, 29 September 2025

SIGNATURE Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

| Date: September 29, 2025 |     | Banco Bilbao Vizcaya Argentaria, S.A.                           |
|:-------------------------|:----|:----------------------------------------------------------------|
|                          |     | By: /s/ Ignacio Fernández-Palomero Morales                      |
|                          |     | Name: Ignacio Fernández-Palomero Morales                        |
|                          |     | Title: Global Head of Capital & Active Balance Sheet Management |