CANCOM SE / DE0005419105

Share buyback / 1st Interim Report – Announcement pursuant to Art. 5 para. 1 lit. b) and para. 3 of Regulation (EU) No. 596/2014 in conjunction with Art. 2 para. 2 and 3 of Delegated Regulation (EU) No. 2016/1052 In the period from 22 September 2025 up to and including 26 September 2025, CANCOM SE acquired a total of 84,037 treasury shares as part of the share buyback program, of which the start date 22 September 2025 was announced in the ad hoc announcement of 09 September 2025 and the announcement of 18 September 2025 in accordance with Article 5 para. 1 a) of Regulation (EU) No. 596/2014 in conjunction with Article 2 para. 1 of Delegated Regulation (EU) No. 2016/1052 and Article 2 para.1 of Delegated Regulation (EU) No. 2016/1052. The shares were acquired as follows:

Date	Aggregated volume (number of shares)	Volume-weighted average price in XETRA trading, commercially rounded to four decimal places (in EUR)
22.09.2025	16,391	24.0925
23.09.2025	16,752	24.7453
24.09.2025	16,773	25.3608
25.09.2025	17,329	24.8994
26.09.2025	16,792	25.2711

  This brings the total volume of treasury shares repurchased by CANCOM SE under the share buyback program since 22 September 2025 to 84,037. Further information on the transactions pursuant to Art. 5 para.1 lit. b) and para. 3 of Regulation (EU) No. 596/2014 in conjunction with. Art. 2 para. 2 and 3 of Delegated Regulation (EU) No. 2016/1052 is published on the internet at https://investors.cancom.com/share-buyback-2025/. The treasury shares were acquired by a credit institution commissioned by CANCOM SE exclusively via the stock exchange in electronic trading on the Frankfurt Stock Exchange (XETRA).   Munich, Germany, 29 September 2025 CANCOM SE The Executive Board