Shareholders and Investors General Information Universal Registration Document Universal Registration Document This is the current Issuer Prospectus or Universal Registration Document (''Documento de Registro Universal'' formerly ''Folleto Informativo Continuado'' or ''Documento de Registro de Acciones''), which was registered with the National Securities Market Commission (''C.N.M.V.'') on the 30th March 2021. Universal Registration Document (PDF 21.2 Mb) (Only available in Spanish) First supplement to the Universal Registration Document (PDF 518 Kb) (only available in Spanish) USEFUL LINKS LEGAL LINKS OF INTEREST © Banco Santander S.A. All rights reserved. Corporate Headquarters: CGS Av. Cantabria s/n 28660 Boadilla del Monte, Madrid (Spain) COOKIE CONFIGURATION For Banco Santander, it is important to adapt to your tastes and preferences. To this end, we use proprietary and third-party cookies to differentiate your experience from that of other users, for analytical purposes and to deliver personalised advertising based on a profile drawn from your browsing habits. You can configure cookies or accept all of them. This banner will remain active until you run one of the two options. For further information, please consult our Cookie Policy. CONFIGURE COOKIES It only takes you a few seconds ACCEPT ALL COOKIES

Shareholders and Investors Corporate governance By-laws By-laws This page shows the By-laws in force and the last amendments approved. By-laws in force. Last amendment registered in the Mercantile Register on 15 June 2021 (PDF 375 Kb) USEFUL LINKS LEGAL LINKS OF INTEREST © Banco Santander S.A. All rights reserved. Corporate Headquarters: CGS Av. Cantabria s/n 28660 Boadilla del Monte, Madrid (Spain) COOKIE CONFIGURATION For Banco Santander, it is important to adapt to your tastes and preferences. To this end, we use proprietary and third-party cookies to differentiate your experience from that of other users, for analytical purposes and to deliver personalised advertising based on a profile drawn from your browsing habits. You can configure cookies or accept all of them. This banner will remain active until you run one of the two options. For further information, please consult our Cookie Policy. CONFIGURE COOKIES It only takes you a few seconds ACCEPT ALL COOKIES