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: Simmroß First name: Britta Relationship to a person performing managerial responsibilities: Spouse or registered partner Details of the person performing managerial responsibilities Position: Member of an administrative or supervisory body Information about the transaction with duty of notification Description of the financial instrument: Share ISIN/WKN of the financial instrument: DE000A0WMPJ6 Type of transaction: Purchase Date: 09.10.2008 Price: 3.35 Currency: EUR No. of items: 1000 Total amount traded: 3350 Place: XETRA Information about the company with duty of publication Issuer: AIXTRON AG Kackertstr. 15-17 52072 Aachen Deutschland ISIN: DE000A0WMPJ6 WKN: A0WMPJ End of Directors' Dealings Notification (c) DGAP 22.10.2008 Financial News transmitted by DGAP ID 7717

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