EQS Voting Rights Announcement: IONOS Group SEIONOS Group SE: Release according to Article 40, Section 1 of the WpHG [the German Securities Trading Act] with the objective of Europe-wide distribution26.06.2025 / 18:36 CET/CESTDissemination of a Voting Rights Announcement transmitted by EQS News - a service of EQS Group. Reason for notification X Acquisition/disposal of shares with voting rights Acquisition/disposal of instruments Change of breakdown of voting rights X Other reason:Equity collateral returned3. Names of shareholder(s)holding directly 3% or more voting rights, if different from 3. 1 WpHG Type of instrument Expiration or maturity date Exercise or conversion period Voting rights absolute Voting rights in % 0 0.00 % Total 0 0.00 %b.2. 2 WpHG Type of instrument Expiration or maturity date Exercise or conversion period Cash or physical settlement Voting rights absolute Voting rights in % 0 0.00 % Total 0 0.00 %8.