DGAP-PVR: Publication according to §26 paragraph. 1 WpHG with the objective of Europe-wide distribution

| Source: EQS Group AG EQS Group AG 

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

25.07.2008 

Release of a Voting Rights announcement
---------------------------------------------------------------------------


On July 22, 2008 , DWS Investment GmbH, Frankfurt am Main, Germany has
informed us according to Article 21, Section 1 of the WpHG that via shares
its Voting Rights on AIXTRON AG, Aachen, Germany, ISIN: DE0005066203, WKN:
506620, have exceeded the 3% limit of the Voting Rights on July 03, 2008 
and now amount to 3.13% (this corresponds to 2849531 Voting Rights).

At the same time, DWS Investment GmbH, Frankfurt am Main, Germany has
informed us on July 22, 2008 according to Article 21, Section 1 of the WpHG
that via shares its Voting Rights on AIXTRON AG, Aachen, Germany, ISIN:
DE0005066203, WKN: 506620, have fallen below the 3% limit of the Voting
Rights on July 21, 2008 and now amount to 2.997% (this corresponds to
2724531 Voting Rights).

DGAP 25.07.2008 
---------------------------------------------------------------------------
Language:     English
Issuer:       AIXTRON AG
              Kackertstr. 15-17
              52072 Aachen
              Deutschland
Internet:     www.aixtron.com
End of News                                     DGAP News-Service
---------------------------------------------------------------------------