Directors’ Dealings | 30 May 2008 12:40

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: Schulte, Dr. First name: Bernd 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: DE0005066203 Type of transaction: Disposal Date: 29.05.2008 Price: 9.549 Currency: EUR No. of items: 6875 Total amount traded: 65649.38 Place: XETRA Explanation for publication: Receipt and disposal of shares by execution of options out of 2003 stock option program Information about the company with duty of publication Issuer: AIXTRON AG Kackertstr. 15-17 52072 Aachen Deutschland ISIN: DE0005066203 WKN: 506620 End of Directors’ Dealings Notification (c) DGAP 30.05.2008 Financial News transmitted by DGAP ID 6117