On April 17, 2009 , cominvest Asset Management GmbH, 60327 Frankfurt am Main, Deutschland has informed

AIXTRON AG / Release of two announcements according to Article 21, Section 1 of the WpHG [the German Securities Trading Act] (share)

Release of a Voting Rights announcement, transmitted by DGAP - a company of
EquityStory AG.
The issuer is solely responsible for the content of this announcement.
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On April 17, 2009 , cominvest Asset Management GmbH, 60327 Frankfurt am
Main, Deutschland has informed us according to Article 21, Section 1 of the
WpHG that via shares its Voting Rights on AIXTRON AG, Aachen, Deutschland,
ISIN: DE000A0WMPJ6, WKN: A0WMPJ, have fallen below the 5% limit of the
Voting Rights on April 16, 2009  and now amount to 4.98% (this corresponds
to 4528382 Voting Rights).
According to Article 22, Section 1, Sentence 1, No. 6 of the WpHG, 2.34% of
the Voting Rights (this corresponds to 2129882 Voting Rights) is to be
attributed to the company.

Furthermore, on April 20, 2009 , cominvest Asset Management GmbH, 60327
Frankfurt am Main, Deutschland has informed us according to Article 21,
Section 1 of the WpHG that via shares its Voting Rights on AIXTRON AG,
Aachen, Deutschland, ISIN: DE000A0WMPJ6, WKN: A0WMPJ, have exceeded the 5%
limit of the Voting Rights on April 17, 2009 and now amount to 5.01% (this
corresponds to 4556836 Voting Rights).
According to Article 22, Section 1, Sentence 1, No. 6 of the WpHG, 2.41% of
the Voting Rights (this corresponds to 2188336 Voting Rights) is to be
attributed to the company.

21.04.2009  Financial News transmitted by DGAP
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Language:     English
Issuer:       AIXTRON AG
              Kackertstr. 15-17
              52072 Aachen
              Deutschland
Internet:     www.aixtron.com
 
End of News                                     DGAP News-Service
 
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