13D Filing: Harbert Discovery Fund, Lp and Key Technology Inc (NASDAQ:KTEC)

Exhibit A

The undersigned agree that this Schedule 13D, dated April 6, 2017, relating to the Common Stock, no par value of Key Technology, Inc. shall be filed on behalf of the undersigned.

		April 6, 2017
		(Date)
		Harbert Discovery Fund, LP By:          Harbert Discovery Fund GP, LLC, its General Partner By:          Harbert Management Corporation, its Managing Member By:          /s/ John McCullough           Executive Vice President and General Counsel Harbert Discovery Fund GP, LLC By:          Harbert Management Corporation, its Managing Member By:          /s/ John McCullough           Executive Vice President and General Counsel Harbert Fund Advisors, Inc. By:          /s/ John McCullough           Executive Vice President and General Counsel Harbert Management Corporation By:          /s/ John McCullough           Executive Vice President and General Counsel /s/ Jack Bryant           Jack Bryant /s/ Kenan Lucas           Kenan Lucas /s/ Raymond Harbert           Raymond Harbert