DGAP-Stimmrechtsanteile: AIXTRON SE

DGAP-PVR: AIXTRON SE: Release according to Article 26, Section 1 of the WpHG [the German Securities Trading Act] with the objective of Europe-wide distribution

AIXTRON SE

08.12.2015 23:13

Dissemination of a Voting Rights Announcement, transmitted by DGAP - a service of EQS Group AG. The issuer is solely responsible for the content of this announcement. ---------------------------------------------------------------------------

Notification of Major Holdings

1. Details of issuer

AIXTRON SE Dornkaulstraße 2 52134 Herzogenrath Germany

2. Reason for notification

X Acquisition/disposal of shares with voting rights Acquisition/disposal of instruments Change of breakdown of voting rights X Other reason: Consequent decrease of Trading Book holdings below 5%

3. Details of person subject to the notification obligation

Name: City and country of registered office: UBS Group AG Zurich Switzerland

4. Names of shareholder(s) holding directly 3% or more voting rights, if different from 3.



5. Date on which threshold was crossed or reached

30.11.2015

6. Total positions

% of voting % of voting rights total of total number rights attached through instruments both in % of voting to shares (total (total of 7.b.1 + (7.a. + rights of of 7.a.) 7.b.2) 7.b.) issuer Result- 0,15 % 0,37 % 0,52 % 112720355 ing situat- ion Previo- % % 9,87 % / us notifi- cation

7. Notified details of the resulting situation a. Voting rights attached to shares (Sec.s 21, 22 WpHG)

ISIN absolute in % direct (Sec. indirect (Sec. direct (Sec. indirect 21 WpHG) 22 WpHG) 21 WpHG) (Sec. 22 WpHG) DE000A0WMPJ6 0 174536 0 % 0,15 % Total 174536 0,15 %

b.1. Instruments according to Sec. 25 Abs. 1 Nr. 1 WpHG

Type of instrument Expiration Exercise or Voting Voting or maturity conversion rights rights date period absolute in % Right to recall lent at any time 90847 0,08 % shares Right to substitute at any time 323515 0,29 % shares delivered as collaterals Total 414362 0,37 %

b.2. Instruments according to Sec. 25 Abs. 1 Nr. 2 WpHG

Type of Expiration Exercise or Cash or Voting Voting instrume- or maturity conversion physical rights rights nt date period settlement absolute in % Total %

8. Information in relation to the person subject to the notification obligation

Person subject to the notification obligation is not controlled and does itself not control any other undertaking(s) holding directly or indirectly an interest in the (underlying) issuer (1.). X Full chain of controlled undertakings starting with the ultimate controlling natural person or legal entity:

Name % of voting % of voting rights Total of both rights (if at through instruments (if (if at least least held 3% or at least held 5% or held 5% or more) more) more) UBS Group AG % % % UBS AG % % % UBS Americas % % % Inc. UBS Financial % % % Services Inc. UBS Group AG % % % UBS AG % % % UBS Americas % % % Inc. UBS Asset % % % Management (Americas) Inc. UBS Asset % % % Management Trust Company UBS Group AG % % % UBS AG % % % UBS Asset % % % Management (Australia) Ltd UBS Group AG % % % UBS AG % % % UBS Asset % % % Management Holding (No. 2) Ltd UBS Asset % % % Management Holding Ltd UBS Asset % % % Management (UK) Limited UBS Group AG % % % UBS AG % % % UBS Fund % % % Management (Luxembourg) S.A. UBS Group AG % % % UBS AG % % % UBS Fund % % % Management (Switzerland) AG UBS Group AG % % % UBS AG % % % UBS % % % Switzerland AG

9. In case of proxy voting according to § 22 Abs. 3 WpHG

Date of general meeting: Holding position after general meeting: % (equals voting rights)

08.12.2015 The DGAP Distribution Services include Regulatory Announcements, Financial/Corporate News and Press Releases. Media archive at www.dgap-medientreff.de and www.dgap.de

--------------------------------------------------------------------------- Language: English Company: AIXTRON SE Dornkaulstraße 2 52134 Herzogenrath Germany Internet: www.aixtron.com End of Announcement DGAP News-Service ---------------------------------------------------------------------------