Deutsche Telekom AG: Release of a capital market information

EQS Post-admission Duties announcement: Deutsche Telekom AG / Deutsche Telekom AG, Bonn, Deutschland 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 Deutsche Telekom AG: Release of a capital market information 10.04.2026 / 22:12 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, April 10, 2026 Share buy-back program – 1st Interim Notification In the period from April 2, 2026 until, and including, April 10, 2026 Deutsche Telekom AG has purchased a number of  1,324,431 shares within the framework of its current share buy-back program which has been published by the announcement of April 2, 2026 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 (€) 2026-04-02 270,822 30.2660 8,196,699 2026-04-07 265,019 30.9288 8,196,720 2026-04-08 263,411 31.1175 8,196,692 2026-04-09 262,600 31.2137 8,196,718 2026-04-10 262,579 31.2162 8,196,719 Total 1,324,431 30.9443 40,983,546 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/annou ....