MHR INSTITUTIONAL PARTNERS LP
By:	MHR Institutional Advisors LLC, its General Partner
By:	/s/ Hal Goldstein
	Name: Hal Goldstein
	Title: Vice President

Address: 40 West 57th Street, 24th Floor
New York, NY 10019

MHR INSTITUTIONAL ADVISORS LLC
By:	/s/ Hal Goldstein
	Name: Hal Goldstein
	Title: Vice President

Address: 40 West 57th Street, 24th Floor
New York, NY 10019

MHR INSTITUTIONAL PARTNERS IIA LP
By:	MHR Institutional Advisors II LLC, its General Partner
By:	/s/ Hal Goldstein
	Name: Hal Goldstein
	Title: Vice President

Address: 40 West 57th Street, 24th Floor
New York, NY 10019

MHR INSTITUTIONAL ADVISORS II LLC
By:	/s/ Hal Goldstein
	Name: Hal Goldstein
	Title: Vice President

Address: 40 West 57th Street, 24th Floor
New York, NY 10019

MHR FUND MANAGEMENT LLC
By:	/s/ Hal Goldstein
	Name: Hal Goldstein
	Title: Managing Principal

Address: 40 West 57th Street, 24th Floor
New York, NY 10019