Imprint

Publisher

Telefónica Deutschland Holding AG
Georg-Brauchle-Ring 50
80992 Munich
Germany
Tel.: +49 89 2442 0
www.telefonica.de

Corporate Responsibility & Sustainability

Contact: cr-de@telefonica.com
https://www.telefonica.de/sustainability

Concept, editing and design

Telefónica Germany GmbH & Co. OHG,
Corporate Responsibility & Sustainability, Munich
Accenture GmbH, Munich
nexxar GmbH, Vienna

Publication

February 2026 – all figures were, unless otherwise stated, ascertained on 31 December 2025. The ESG Factbook 2025 is available in German and English and can be accessed online at https://reporting.telefonica.de/o2/sustainability/2025.

The 2025 annual report is available online at www.telefonica.de/annualreport

Picture credits

Cover: tempuraIimages, p. 3: Telefónica Deutschland, p. 7: Telefónica*, Fabian Wentzel:mf_guddyx via Getty Images, p. 8: Till Budde, p. 10: Telefónica*, p. 11: Telefónica*, p. 12: Abel Mitjà Varela_Morsa Images_Stone via Getty Images, p. 13: instamatics via Getty Images, p. 17: Telefónica*, p. 19: i3D_VR_via istock_getty images, p. 22: Telefónica*, p. 23: Till Budde, p. 25: Westend61 / Buero Monaco, p. 26: Telefónica*, p 27: Telefónica*, p. 30: Westend61 / Daniel Ingold via Getty Images, p. 31: Telefónica*

*The rights to use this resource are reserved exclusively for the brands registered by the Telefónica group in any of its markets. Within this framework, its use is covered in all channels or media, internal or external, with time limit.