Directors’ Dealings | 20 March 2007 17:11

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: Jürgensen First name: Dr. Holger Company: CAMMA GmbH Function: Member of an administrative or supervisory body Information about the transaction with duty of notification Description of the financial instrument: Shares ISIN of the financial instrument: DE0005066203 Type of transaction: Sale Date: 19.03.2007 Price: 5.06 Currency: EUR No. of items: 75000 Total amount traded: 379500.00 Place: Information about the company with duty of publication Issuer: AIXTRON AG Kackertstr. 15 – 17 52072 Aachen Germany ISIN: DE0005066203 WKN: 506620 Index: TecDAX End of Director’s Dealings Notification (c)DGAP 20.03.2007 The registration of this notification was carried out on http://www.dd-meldung.de or http://www.directors-dealings.de ID 1721