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: BAASEL First name: Carl Ferdinand

Position: Member of an administrative or supervisory body

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 Date: 01.12.2015 Price: 28.21 Currency: USD No. of items: 25000 Total amount traded: 705250.00 Place: USA

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 02.12.2015

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