On October 26, 2011 William Blair & Company, LLC, Cicago, USA has informed us according to Article 21,

AIXTRON SE 

31.10.2011 14:48

Dissemination 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 October 26, 2011 William Blair & Company, LLC, Cicago, USA has informed
us according to Article 21, Section 1 of the WpHG that via shares its
Voting Rights on AIXTRON SE, Herzogenrath, Deutschland, ISIN: DE000A0WMPJ6,
WKN: A0WMPJ, have exceeded the 3% threshold of the Voting Rights on
September 19, 2011 and on that day amounted to 3.01% (this corresponds to
3069367 Voting Rights).

According to Article 22, Section 1, Sentence 1, No. 6 of the WpHG, 3.01% of
the Voting Rights (this corresponds to 3069367 Voting Rights) is to be
attributed to the company.



31.10.2011 DGAP's Distribution Services include Regulatory Announcements,
Financial/Corporate News and Press Releases.
Media archive at www.dgap-medientreff.de and www.dgap.de

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Language:     English
Company:      AIXTRON SE
              Kaiserstr. 98
              52134 Herzogenrath
              Germany
Internet:     www.aixtron.com
 
End of Announcement                             DGAP News-Service
 
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