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: Joachim Position: Member of an administrative or supervisory body Information about the transaction with duty of notification Description of the financial instrument: Discount certificate classic ISIN/WKN of the financial instrument: DE000CM0W353 Type of transaction: Purchase Date: 10.02.2010 Price: 15.14 Currency: EUR No. of items: 3300 Total amount traded: 49962.00 Place: over the counter Description of the derivative Description of the underlying instrument: Share Underlying (WKN/ISIN): DE000A0WMPJ6 Price multiplier: 1 Strike price: 18.00 Currency: EUR Expiration date: 24.03.2011 Information about the company with duty of publication Issuer: AIXTRON AG Kaiserstr. 98 52134 Herzogenrath Deutschland ISIN: DE000A0WMPJ6 WKN: A0WMPJ End of Directors' Dealings Notification (c) DGAP 18.02.2010 Ad hoc announcement, Financial News and Media Release distributed by DGAP. Media archive at www.dgap-medientreff.de and www.dgap.de ID 10909

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