Admission to listing of the new shares

Banco Santander, S.A. ("Banco Santander" or the "Bank"), pursuant to the provisions of the Spanish Securities Market Act (Ley del Mercado de Valores), hereby announces the following:

OTHER RELEVANT INFORMATION

In accordance with the informative document relating to the Bank's capital increase against reserves that was published as other relevant information on 12 November 2020 (reference number 5702), the National Securities Market Commission (Comisión Nacional del Mercado de Valores) has positively assessed the admission to listing of the 722,526,720 new ordinary shares of Banco Santander issued in said capital increase, and the Stock Exchanges of Madrid, Barcelona, Valencia and Bilbao have authorized the admission to listing of such shares. Ordinary trading of the new shares shall commence tomorrow, December 11. Authorization for the admission to listing of the new shares in the other Stock Exchanges where Banco Santander shares are traded has also been requested.

After the capital increase, the share capital of Banco Santander amounts to 8,670,320,651 Euro, represented by 17,340,641,302 shares, with a nominal value of 0.50 Euro each.

Boadilla del Monte (Madrid), December 10, 2020