DGAP-Stimmrechtsanteile: ROFIN-SINAR Technologies Inc.

DGAP-PVR: ROFIN-SINAR Technologies Inc.: Release according to Article 26, Section 1 of the WpHG [the German Securities Trading Act] with the objective of Europe-wide distribution

Rofin-Sinar Technologies Inc.

07.04.2016 11:22

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

Rofin-Sinar Technologies Inc. 40984 Concept Drive MI 48170 Plymouth United States

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: Voluntary Group Disclosure

3. Details of person subject to the notification obligation

Name: City and country of registered office: BlackRock, Inc. Wilmington, DE United States of America (USA)

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

iShares Trust

5. Date on which threshold was crossed or reached

30 March 2016

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- 7.37 % 0.47 % 7.84 % 33379287 ing situat- ion Previo- 7.26 % 0.58 % 7.84 % / 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) US7750431022 0 2461440 0.00 % 7.37 % Total 2461440 7.37 %

b.1. Instruments according to Sec. 25 para. 1 No. 1 WpHG

Type of Expiration or Exercise or Voting Voting instrument maturity date conversion rights rights in period absolute % Lent N/A N/A 156351 0.47 % Securities Total 156351 0.47 %

b.2. Instruments according to Sec. 25 para. 1 No. 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 at least least held 3% (if at least held 5% held 5% or or more) or more) more) BlackRock, Inc. % % % Trident Merger, % % % LLC BlackRock % % % Investment Management, LLC BlackRock, Inc. % % % BlackRock Holdco % % % 2, Inc. BlackRock % % % Financial Management, Inc. BlackRock, Inc. % % % BlackRock Holdco % % % 2, Inc. BlackRock % % % Financial Management, Inc. BlackRock Holdco % % % 4, LLC BlackRock Holdco % % % 6, LLC BlackRock Delaware % % % Holdings Inc. BlackRock % % % Institutional Trust Company, National Association BlackRock, Inc. % % % BlackRock Holdco % % % 2, Inc. BlackRock % % % Financial Management, Inc. BlackRock Holdco % % % 4, LLC BlackRock Holdco % % % 6, LLC BlackRock Delaware % % % Holdings Inc. BlackRock Fund 5.002 % % 5.32 % Advisors BlackRock, Inc. % % % BlackRock Holdco % % % 2, Inc. BlackRock % % % Financial Management, Inc. BlackRock Capital % % % Holdings, Inc. BlackRock % % % Advisors, LLC BlackRock, Inc. % % % BlackRock Holdco % % % 2, Inc. BlackRock % % % Financial Management, Inc. BlackRock Capital % % % Holdings, Inc. BlackRock % % % Advisors, LLC BlackRock Capital % % % Management, Inc. BlackRock, Inc. % % % BlackRock Holdco % % % 2, Inc. BlackRock % % % Financial Management, Inc. BlackRock % % % International Holdings, Inc. BR Jersey % % % International Holdings L.P. BlackRock % % % Australia Holdco Pty. Ltd. BlackRock % % % Investment Management (Australia) Limited BlackRock, Inc. % % % BlackRock Holdco % % % 2, Inc. BlackRock % % % Financial Management, Inc. BlackRock % % % International Holdings, Inc. BR Jersey % % % International Holdings L.P. BlackRock Holdco % % % 3, LLC BlackRock Canada % % % Holdings LP BlackRock Canada % % % Holdings ULC BlackRock Asset % % % Management Canada Limited BlackRock, Inc. % % % BlackRock Holdco % % % 2, Inc. BlackRock % % % Financial Management, Inc. BlackRock % % % International Holdings, Inc. BR Jersey % % % International Holdings L.P. BlackRock Group % % % Limited BlackRock Advisors % % % (UK) Limited BlackRock, Inc. % % % BlackRock Holdco % % % 2, Inc. BlackRock % % % Financial Management, Inc. BlackRock % % % International Holdings, Inc. BR Jersey % % % International Holdings L.P. BlackRock Group % % % Limited BlackRock % % % Luxembourg Holdco S.à r.l. BlackRock % % % Investment Management Ireland Holdings Limited BlackRock Asset % % % Management Ireland Limited BlackRock, Inc. % % % BlackRock Holdco % % % 2, Inc. BlackRock % % % Financial Management, Inc. BlackRock % % % International Holdings, Inc. BR Jersey % % % International Holdings L.P. BlackRock Group % % % Limited BlackRock % % % (Netherlands) B.V. BlackRock, Inc. % % % BlackRock Holdco % % % 2, Inc. BlackRock % % % Financial Management, Inc. BlackRock % % % International Holdings, Inc. BR Jersey % % % International Holdings L.P. BlackRock Group % % % Limited BlackRock % % % Investment Management (UK) Limited

9. In case of proxy voting according to Sec. 22 para. 3 WpHG

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

07.04.2016 The DGAP 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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