Company: BBVXF
Filing Date: 2025-10-03
Form Type: 6-K
Source: 0001193125-25-229346
Chunk: 1

Company: BANCO BILBAO VIZCAYA ARGENTARIA, S.A.
Filing Date: 2025-10-03
Form: 6-K
Chunk 1
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-2. |

| ● |     | Upgraded by one notch long-term Counterparty Risk Rating (CRR) to A1 from A2. |

| ● |     | Confirmed short-term CRR at P-1. |

| ● |     | Confirmed long-term deposit rating at A2 and outlook changed to RUR for Possible Upgrade from RUR Uncertain. |

| ● |     | Confirmed short-term deposit rating at P-1. |

| ● |     | Upgraded by one notch long-term Counterparty Risk Assessment (CRA) to A2(cr) from A3(cr). |

| ● |     | Upgraded by one notch short-term CRA to P-1(cr) from P-2(cr). |

Madrid, October 3rd 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: October 3, 2025 |     | Banco Bilbao Vizcaya Argentaria, S.A. |
|:----------------------|:----|:--------------------------------------|
|                       |     | By: /s/ Patricia Bueno Olalla         |
|                       |     | Name: Patricia Bueno Olalla           |
|                       |     | Title: Head of Investor Relations     |