Exhibit 99.2

JOINT FILING AGREEMENT

The undersigned hereby agree that the statement on Schedule 13D with respect to the Common Stock, $0.01 par value, of Quantum Corporation, a Delaware corporation, dated as of February 6, 2017 is, and any further amendments thereto signed by each of the undersigned shall be, filed on behalf of each of the undersigned pursuant to and in accordance with the provisions of Rule 13d-1(k) under the Securities Exchange Act of 1934, as amended.

Dated:  February 6, 2017

	VIEX Opportunities Fund, LP - Series One
	By:	VIEX GP, LLC General Partner
	By:	/s/ Eric Singer
		Name:	Eric Singer
		Title:	Managing Member

	VIEX Opportunities Fund, LP - Series Two
	By:	VIEX GP, LLC General Partner
	By:	/s/ Eric Singer
		Name:	Eric Singer
		Title:	Managing Member

	VIEX GP, LLC
	By:	/s/ Eric Singer
		Name:	Eric Singer
		Title:	Managing Member

	VIEX Special Opportunities Fund III, LP
	By:	VIEX Special Opportunities GP III, LLC General Partner
	By:	/s/ Eric Singer
		Name:	Eric Singer
		Title:	Managing Member

	VIEX Special Opportunities GP III, LLC
	By:	/s/ Eric Singer
		Name:	Eric Singer
		Title:	Managing Member

	VIEX Capital Advisors, LLC
	By:	/s/ Eric Singer
		Name:	Eric Singer
		Title:	Managing Member