EQS Voting Rights Announcement: AIXTRON SEAIXTRON SE: Release according to Article 40, Section 1 of the WpHG [the German Securities Trading Act] with the objective of Europe-wide distribution20.10.2025 / 10:00 CET/CESTDissemination of a Voting Rights Announcement transmitted by EQS News - a service of EQS Group. Reason for notification Acquisition/disposal of shares with voting rights X Acquisition/disposal of instruments Change of breakdown of voting rights Other reason:3. Details of person subject to the notification obligation Legal entity: The Goldman Sachs Group, Inc.City of registered office, country: Wilmington, DE, United States of America (USA)4. Names of shareholder(s)holding directly 3% or more voting rights, if different from 3. % % % Goldman Sachs Group UK Limited % % % Goldman Sachs International % % %9.