Exhibit 99 MHR CAPITAL PARTNERS MASTER ACCOUNT LP By: MHR Advisors LLC, its General Partner By: /s/ Janet Yeung ------------------------------------------ Name: Janet Yeung Title: Authorized Signatory Address: 40 West 57th Street, 24th Floor New York, NY 10019 MHR ADVISORS LLC By: /s/ Janet Yeung ----------------------------------------- Name: Janet Yeung Title: Authorized Signatory Address: 40 West 57th Street, 24th Floor New York, NY 10019 MHR INSTITUTIONAL PARTNERS II LP By: MHR Institutional Advisors II LLC, its General Partner By: /s/ Janet Yeung ------------------------------------------ Name: Janet Yeung Title: Authorized Signatory 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/ Janet Yeung ------------------------------------------ Name: Janet Yeung Title: Authorized Signatory Address: 40 West 57th Street, 24th Floor New York, NY 10019 MHR INSTITUTIONAL ADVISORS II LLC By: /s/ Janet Yeung ------------------------------------------ Name: Janet Yeung Title: Authorized Signatory Address: 40 West 57th Street, 24th Floor New York, NY 10019 MHRC LLC By: /s/ Janet Yeung ------------------------------------------ Name: Janet Yeung Title: Authorized Signatory Address: 40 West 57th Street, 24th Floor New York, NY 10019 MHRC II LLC By: /s/ Janet Yeung ------------------------------------------ Name: Janet Yeung Title: Authorized Signatory Address: 40 West 57th Street, 24th Floor New York, NY 10019 MHR FUND MANAGEMENT LLC By: /s/ Janet Yeung ------------------------------------------ Name: Janet Yeung Title: Authorized Signatory Address: 40 West 57th Street, 24th Floor New York, NY 10019 MHR HOLDINGS LLC By: /s/ Janet Yeung ------------------------------------------ Name: Janet Yeung Title: Authorized Signatory Address: 40 West 57th Street, 24th Floor New York, NY 10019