| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Camber Capital Management LP | 3.41% | 3,100,000 | 0 | 3,100,000 | /s/ Sean George | Sean George, Chief Financial Officer | |
| Stephen DuBois | 3.41% | 3,100,000 | 0 | 3,100,000 | /s/ Sean George | Sean George, Chief Financial Officer |