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 19.05.2025 / 18:15 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, May 19, 2025 Share buy-back program – 6th Interim Notification In the period from May 12, 2025 until, and including, May 16, 2025 Deutsche Telekom AG has purchased a number of 1,252,359 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 (€) 2025-05-12 257,357 31.8221 8,189,640 2025-05-13 257,579 31.7947 8,189,647 2025-05-14 257,140 31.8490 8,189,652 2025-05-15 243,533 31.8585 7,758,596 2025-05-16 236,750 32.7713 7,758,605 Gesamt 1,252,359 32.0085 40,086,140 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.