13D Filing: Hudson Executive Capital and Cabot Microelectronics Corp (NASDAQ:CCMP)

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SIGNATURE
After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.
Date:  April 4, 2017
HUDSON EXECUTIVE CAPITAL LP
By: HEC Management GP LLC, its general partner
By:  /s/ Douglas L. Braunstein*
Name: Douglas L. Braunstein
Title: Managing Member
DOUGLAS L. BRAUNSTEIN
By:  /s/ Douglas L. Braunstein*
* by John F. Brown, attorney-in-fact

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