DGAP-DD: Rofin-Sinar Technologies Inc.

DGAP-DD: Rofin-Sinar Technologies Inc. english

Notification concerning transactions by persons performing managerial responsibilities pursuant to section 15a of the WpHG

Directors' Dealings notification transmitted by DGAP - a service of EQS Group AG. The person with duty of notification is solely responsible for the content of this announcement. ---------------------------------------------------------------------------

Details of the person subject to the disclosure requirement Last name: Molnar First name: Louis Company: Rofin-Sinar Technologies Inc.

Position: Senior executive

Information about the transaction with duty of notification

Description of the financial instrument: Common Stock ISIN/WKN of the financial instrument: US7750431022 Type of transaction: Disposal after Exercise of Stock Options Date: 30.11.2015 Price: 29.1871 Currency: USD No. of items: 10000 Total amount traded: 291871.00 Place: USA

Explanation for publication:

5000 options exercised at USD 15,04 and sold at USD 29,1871 5000 options exercised at USD 22,75 and sold at USD 29,1871

Information about the company with duty of publication

Issuer: Rofin-Sinar Technologies Inc. 40984 Concept Drive MI 48170 Plymouth United States ISIN: US7750431022 WKN: 902757

End of Directors' Dealings Notification (c) DGAP 01.12.2015

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