Shareholders and Investors General Information Shareholders Contact Shareholders Contact Santander Shareholder Relations www.santander.com accionistas@santander.com Shareholder Helpline: +34 91 276 92 90* WhatsApp: +34 91 276 92 90* Santander Group City. Av. Cantabria s/n 28660 Boadilla del Monte, Madrid (Spain) *Lines are open Monday to Friday from 8.00 a.m. to 7.00 p.m. and on Saturdays from 8.30 a.m. to 1:30 p.m. From 1 July to 30 September there will be no service on Saturdays. Holders of CREST Depositary Interests (CDIs) www.santandershareview.com santandershareholders@equiniti.com Shareholder Helpline: 0371 384 2000* *Lines are open Monday to Friday from 8.30 a.m. to 5.30 p.m. (excluding English and Welsh public holidays). Callers from overseas should contact +44 (0) 121 415 7188. Holders of American Depositary Receipts (ADRs) Citibank Shareholder Services PO Box 43077. Providence. RI 02940-3077 Phone: +1 888 810 7456 International phone: +1 781 575 4555 Lines open Monday to Friday 8:30am to 6:00pm EST citibank@shareholders-online.com www-us.computershare.com/investor MEET THE SHAREHOLDER RELATIONS TEAM 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