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 21.04.2025 / 20:00 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.

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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 21, 2025 Share buy-back program – 2nd Interim Notification In the period from April 14, 2025 until, and including, April 17, 2025 Deutsche Telekom AG has purchased a number of 1,050,072 shares within the framework of its current share buy-back program which has been published by the announcement of April 10, 2025 pursuant to Art. 5 (1) lit. a) Regulation (EU) Nr.596/2014 and Art. 2 (1) Delegated Regulation (EU) Nr. 2016/1052. The total number of shares bought back daily is as follows: Date Total number of shares Daily weighted average price (€) Total purchase price without additional acquisition costs (€) 2025-04-14 275,902 31.2454 8,620,668 2025-04-15 259,435 31.5672 8,189,637 2025-04-16 256,872 31.8822 8,189,644 2025-04-17 257,863 31.7597 8,189,652 Total 1,050,072 31.6136 33,189,601 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.