December 2020

Telefónica, S.A. Shareholder Office

Postal Address: Distrito Telefónica – Edificio Central, Pl. 2ª, C/Ronda de la Comunicación s/n 28050 Madrid

Toll-free number (for Spain): 900 111 004

Important notice

The mailbox of the Shareholders Office will only respond to questions from Shareholders & Investors about Telefónica. Please note that this mailbox is not a valid recipient for notification purposes and no other queries will be addressed.

The mailbox is attended Monday to Friday from 9.00 to 18.00 (CET), excluding local bank holidays.