CANCOM SE / DE0005419105

Share buyback / 2st 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 29 September 2025 up to and including 03 October 2025, CANCOM SE acquired a total of 81,477 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)
29.09.2025	17,115	25.4443
30.09.2025	17,293	25.9701
01.10.2025	16,645	26.1904
02.10.2025	16,908	26.2087
03.10.2025	13,516	26.0601

This brings the total volume of treasury shares repurchased by CANCOM SE under the share buyback program since 22 September 2025 to 165,514. 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, 06 October 2025 CANCOM SE The Executive Board