| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Camber Capital Management LP | 6.8% | 1,885,000 | 0 | 1,885,000 | /s/ Sean George | Chief Financial Officer | |
| Stephen DuBois | 6.8% | 1,885,000 | 0 | 1,885,000 | /s/ Stephen DuBois | Individual |