Deutsche Telekom AG: Release of a capital market information

EQS Post-admission Duties announcement: Deutsche Telekom AG / Announcement pursuant to Art. 5 (1) lit. b) and (3) of Regulation (EU) No 596/2014 in conjunction with Art. 2 (2) and (3) of Delegated Regulation (EU)No 2016/1052 Deutsche Telekom AG: Release of a capital market information 17.11.2025 / 16:49 CET/CEST Dissemination of a Post-admission Duties announcement transmitted by EQS News - a service of EQS Group. The issuer is solely responsible for the content of this announcement.

---

Announcement pursuant to Art. 5 (1) lit. b) and (3) of Regulation (EU) No 596/2014 in conjunction with Art. 2 (2) and (3) of Delegated Regulation (EU)No 2016/1052 Deutsche Telekom AG, Bonn, Germany ISIN: DE0005557508 Bonn, November 17, 2025 Share buy-back program – 7th Interim Notification In the period from November 10, 2025 until, and including, November 14, 2025 Deutsche Telekom AG has purchased a number of 1,901,740 shares within the framework of its current share buy-back program which has been published by the announcement of October 1, 2025 pursuant to Art. 5 (1) lit. a) Regulation (EU) Nr.596/2014 and Art. 2 (1) Delegated Regulation (EU) Nr. 2016/1052. Date Total number of shares Daily weighted average price (€) Total purchase price without additional acquisition costs (€) 2025-11-14 376,472 27.3564 10,298,919 2025-11-13 378,360 27.2199 10,298,921 2025-11-12 378,003 27.2456 10,298,919 2025-11-11 381,989 26.9613 10,298,920 2025-11-10 386,916 26.6180 10,298,930 Total 1,901,740 27.0776 51,494,609 An overview of the underlying individual trades per day is published on the company website under: https://www.telekom.com/en/investor-relations/investor-relations/announcement-of-share-buy-back-2025-1085520.