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: Discount Certificate Classic ISIN/WKN of the financial instrument: DE000CM0W353 Type of transaction: Purchase Date: 27.08.2010 Price: 15.86 Currency: EUR No. of items: 2200 Total amount traded: 35046.06 Place: Stuttgart Description of the derivative Description of the underlying instrument: AIXTRON Share Underlying (WKN/ISIN): DE000A0WMPJ6 Price multiplier: 1 Strike price: 18.00 Currency: EUR Expiration date: 24.03.2011 Explanation for publication: The payout of the 'Discount Certificate Classic' depends on the AIXTRON shareprice at the call date of March 17, 2011. If the shareprice at that date is above EUR 18.00; EUR 18.00 will be paid out. If it is below EUR 18.00 the issuer commerzbank has two choices; either the market value will be paid out or an AIXTRON share will be delivered. 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 30.08.2010 Ad hoc announcement, Financial News and Media Release distributed by DGAP. Media archive at www.dgap-medientreff.de and www.dgap.de ID 11862

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