| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Encompass Capital Advisors LLC | 8.44% | 8,397,316 | 0 | 8,397,316 | Todd J. Kantor | Todd J. Kantor | Managing Member | |
| Todd J. Kantor | 8.44% | 8,397,316 | 0 | 8,397,316 | Todd J. Kantor | Todd J. Kantor | |
| Encompass Capital Partners LLC | 6.71% | 6,679,328 | 0 | 6,679,328 | Todd J. Kantor | Todd J. Kantor | Managing Member |