| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| MHR INSTITUTIONAL PARTNERS III LP | 10% | 1.68M | 1.68M | 0 | /s/ Janet Yeung | Authorized Signatory | |
| MHR INSTITUTIONAL ADVISORS III LLC | 10% | 1.68M | 1.68M | 0 | /s/ Janet Yeung | Authorized Signatory | |
| MHR FUND MANAGEMENT LLC | 17.1% | 2.86M | 2.86M | 0 | /s/ Janet Yeung | Authorized Signatory | 0001277742 |
| MHR HOLDINGS LLC | 17.1% | 2.86M | 2.86M | 0 | /s/ Janet Yeung | Authorized Signatory | |
| MARK H. RACHESKY, M.D. | 17.2% | 2.88M | 2.88M | 0 | /s/ Janet Yeung | Attorney-in-Fact |