EXHIBIT A JOINT FILING AGREEMENT

EXHIBIT A

JOINT FILING AGREEMENT

     The undersigned hereby agree that this Amendment No. 1 on Schedule 13G with respect to the shares of common stock of Lions Gate Entertainment Corp., dated as of June 22, 2007, is, and any amendments thereto (including amendments on Schedule 13D) 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.

Date: June 22, 2007

	MHR INSTITUTIONAL PARTNERS IIA LP
	By:	MHR Institutional Advisors II LLC, its General Partner
	By:	/s/ Xxx Xxxxxxxxx
		Name:	Xxx Xxxxxxxxx
		Title:	Vice President
	MHR INSTITUTIONAL ADVISORS II LLC
	By:	/s/ Xxx Xxxxxxxxx
		Name:	Xxx Xxxxxxxxx
		Title:	Vice President
	MHR FUND MANAGEMENT LLC
	By:	/s/ Xxx Xxxxxxxxx
		Name:	Xxx Xxxxxxxxx
		Title:	Vice President
	XXXX X. XXXXXXXX, M.D.
	By:	/s/ Xxxx X. Xxxxxxxx, M.D.

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