Company: BBVXF
Filing Date: 2025-08-12
Form Type: DRS
Source: 0000950123-25-007520
Chunk: 98

Company: BANCO BILBAO VIZCAYA ARGENTARIA, S.A.
Filing Date: 2025-08-12
Form: DRS
Chunk 98
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 been prepared, in the case of BBVA, in compliance with IFRS-IASB and, in the case of Banco Sabadell, in accordance with IFRS-EU.See “Note on Banco Sabadell Information—Description of Certain Differences Between IFRS-EUand IFRS-IASB”. The pro forma financial information presented herein includes:

| • |     | Accompanying explanatory notes describing the sources of information, assumptions and estimates for the 
 preparation of the pro forma financial information.                                                     |

For the preparation of the pro forma financial information included herein, IFRS 3 “Business Combinations” has been considered. Additionally, in order to complete such valuation and adjust the impacts of the business combination in accordance with paragraphs 45 and B67 of such standard, the standard establishes the possibility of extending the valuation measurement period to one year from the date the transaction takes place. Assumptions and Estimates Used The pro forma financial information reflects completion of the exchange offer under each of the Full Acquisition Scenario and the 50% Acceptance Scenario. The adjustments included in the pro forma financial information solely include those that are factually supportable on the basis of the information that is publicly available to BBVA. See “—Sources of Information” above. 59

As confidentially submitted to the Securities and Exchange Commission on August 11, 2025. This Amendment No. 4 has not been publicly filed with the Securities and Exchange Commission and all information herein remains strictly confidential. The main assumptions and estimates used in the preparation of the pro forma financial information are the following:

| • |     | There are 4,997,357,403 outstanding Banco Sabadell shares subject to the exchange offer, which is the number of                                                                                                                                     
 Banco Sabadell shares outstanding as of December 31, 2024 less 290,871,859 Banco Sabadell shares held in treasury as of August 1, 2025, based on information published by Banco Sabadell on August 4, 2025 with respect to shares repurchased under 
 the Banco Sabadell Share Buy-Back Programs.                                                                                                                                                                                                         |

| • |     | BBVA’s capital increase is carried out in the proportion of one newly-issued BBVA share for each 5.5483                                                                                                                                                 
 Banco Sabadell shares, without any further adjustment for any dividends paid. Therefore, the number of BBVA shares to be issued in the event of completion of the exchange offer under the Full Acquisition Scenario and