On November 03, 2008, Oppenheimer Funds, Centennial, CO 801112-3924, USA has informed us according to

AIXTRON AG / Release of an announcement 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 November 03, 2008, Oppenheimer Funds, Centennial, CO 801112-3924, USA
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 October 30, 2008  and now amount to 5.08% (this corresponds to 4612929
Voting Rights).

Furthermore, on November 03, 2008, Massachusetts Mutual Life Insurance
Company, Springfield, MA 01111-0001, USA 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 October 30, 2008 and now
amount to 5.08% (this corresponds to 4612929 Voting Rights).
According to Article 22, Section 1, Sentence 1, No. 1 of the WpHG, 5.08% of
the Voting Rights (this corresponds to 4612929 Voting Rights) is to be
attributed to the company  from Oppenheimer Funds, Centennial, CO
801112-3924, USA.

04.11.2008  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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