Directors’ Dealings | 1 June 2007 13:40

DGAP-DD: AIXTRON AG english

Notification concerning transactions by persons performing managerial responsibilities pursuant to section 15a of the WpHG Directors’ Dealings notification transmitted by DGAP – a company of EquityStory AG. The person with duty of notification is solely responsible for the content of this announcement. —————————————————————————— Details of the person subject to the disclosure requirement Last name: Elder First name: William W.R. Company: AIXTRON AG Position: Member of a managing body Information about the transaction with duty of notification Description of the financial instrument: Shares ISIN/WKN of the financial instrument: US0096061041 Type of transaction: Sale Date: 30.05.2007 Price: 7.8036 Currency: USD No. of items: 2782 Total amount traded: 21709.62 Place: Information about the company with duty of publication Issuer: AIXTRON AG Kackertstr. 15 – 17 52072 Aachen Germany ISIN: DE0005066203 WKN: 506620 Index: TecDAX Listed: Geregelter Markt in Frankfurt (Prime Standard); Freiverkehr in Berlin-Bremen, Düsseldorf, Hamburg, Hannover, München und Stuttgart End of Directors’ Dealings Notification (c) DGAP 01.06.2007 ID 2454