Banco Santander, S.A. (the "Bank" or "Banco Santander"), in compliance with the Securities Market legislation, hereby communicates the following:
OTHER RELEVANT INFORMATION
Further to the notice of other relevant information registered with the Spanish National Securities Market Commission (Comisión Nacional del Mercado de Valores) on 21 August 2026 (registry number 42494), it is communicated that, following the execution of the capital reduction referred to in such notice by decision of the Bank's executive committee at its meeting held on 1 September, on 9 September 2026 the public deed of capital reduction (and consequent Bylaw amendment) for the amount of EUR 231,341,569.50, through the cancellation of 462,683,139 own shares, representing approximately 3.08% of the Bank's share capital, was registered with the Commercial Registry of Santander.
Consequently, the Bank's share capital has been set at EUR 7,278,241,400.50, represented by 14,556,482,801 shares with a nominal value of EUR 0.50 each. All of the shares belong to the same class and have the same rights.
It is stated for the record that, the accumulated share capital reduction of Banco Santander resulting from the execution of the share buyback programmes and the corresponding share capital reductions carried out since 2021 amounts to EUR 1,557,002,469.50. The Bank has repurchased and cancelled 3,114,004,939 shares since that date, representing approximately 18% of its outstanding shares as of the start of such period.
Boadilla del Monte (Madrid), 9 September 2026