EQS — CMS: CANCOM SE: Release of a capital market information

EQS Post-admission Duties announcement: CANCOM SE / Buyback 2026 / 5th Interim Notification CANCOM SE: Release of a capital market information 12.10.2026 / 18:00 CET/CEST Dissemination of a Post-admission Duties announcement transmitted by 1 EQS News — a service of 2 EQS Group. The issuer is solely responsible for the content of this announcement. ══════════════════════════════════════════════════════════════════════════ Share buyback / 5th 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 05 October 2026 up to and including 09 October 2026, CANCOM SE acquired a total of 130,477 treasury shares as part of the share buyback program, of which the start date 07 September 2026 was announced in the ad hoc announcement of 01 September 2026 and the announcement of 02 September 2026 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 follow