On April 20, 2011, Ameriprise Financial, Inc., Minneapolis, USA has informed us according to Article

AIXTRON SE 

21.04.2011 17:38

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 April 20, 2011, Ameriprise Financial, Inc., Minneapolis, 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% limit of the Voting Rights
on April 14, 2011 and on that day amounted to 3.04% (this corresponds to
3084173 Voting Rights).
According to Article 22, Section 1, Sentence 1, No. 6 of the WpHG in
connection with sentence 2 of the WpHG, 3.04% of the Voting Rights (this
corresponds to 3084173 Voting Rights) is to be attributed to the company.
Furthermore, 0.02% of the Voting Rights is also to be attributed to the
company according to Article 22, Section 1, Sentence 1, No. 1 of the WpHG,
(this corresponds to 17170 Voting Rights).



21.04.2011 DGAP's Distribution Services include Regulatory Announcements, 
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Language:     English
Company:      AIXTRON SE
              Kaiserstr. 98
              52134 Herzogenrath
              Deutschland
Internet:     www.aixtron.com
 
End of Announcement                             DGAP News-Service
 
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