EQS-News:Voluntary public acquisition offer to the shareholders of Telefónica Deutschland Holding AG

Telefónica Deutschland Holding AG / Key word(s): Offer Voluntary public acquisition offer to the shareholders of Telefónica Deutschland Holding AG 05.12.2023 / 13:31 CET/CEST The issuer is solely responsible for the content of this announcement.

MUNICH, 5 December 2023 Voluntary public acquisition offer to the shareholders of Telefónica Deutschland Holding AG Telefónica Local Services GmbH (“Bidder”), a wholly-owned subsidiary of Telefónica, S.A. with registered office in Madrid/Spain, today submitted a voluntary public acquisition offer to the shareholders of Telefónica Deutschland Holding AG in the form of a partial offer to acquire shares (ISIN DE000A1J5RX9) against payment of a consideration of EUR 2.35 per share ("Acquisition Offer"). The offer document for the Acquisition Offer published today is available on the Bidder's website at https://www.td-offer.com. The Management Board and the Supervisory Board of Telefónica Deutschland Holding AG will comprehensively review the offer document and publish a reasoned statement on the Acquisition Offer following their evaluation in accordance with the statutory provisions.

Further information Telefónica Deutschland Holding AG Investor Relations Georg-Brauchle-Ring 50 80992 München Christian Kern, Director Investor Relations; (m) +49 179 9000 208 Marion Polzer, CIRO, Head of Investor Relations; (m) +49 176 7290 1221 Eugen Albrecht, CIRO, Senior Investor Relations Officer; (m) +49 176 3147 5260 (t) +49 89 2442 1010 ir-deutschland@telefonica.com www.telefonica.de/investor-relations

05.12.2023 CET/CEST Dissemination of a Corporate News, transmitted by EQS News - a service of EQS Group AG. The issuer is solely responsible for the content of this announcement. The EQS Distribution Services include Regulatory Announcements, Financial/Corporate News and Press Releases. Archive at www.eqs-news.com Language: English Company: Telefónica Deutschland Holding AG Georg-Brauchle-Ring 50 80992 München Germany Phone: +49 (0)89 24 42 0 Internet: www.telefonica.de ISIN: DE000A1J5RX9 WKN: A1J5RX Indices: MDAX Listed: Regulated Market in Frankfurt (Prime Standard); Regulated Unofficial Market in Berlin, Dusseldorf, Hamburg, Munich, Stuttgart, Tradegate Exchange EQS News ID: 1789773 MDAX TecDAX End of News EQS News Service 1789773 05.12.2023 CET/CEST