| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Encompass Capital Advisors LLC | 5.2% | 2,559,543 | 0 | 2,559,543 | Todd J. Kantor | Todd J. Kantor | Managing Member | |
| Todd J. Kantor | 5.2% | 2,559,543 | 0 | 2,559,543 | Todd J. Kantor | Todd J. Kantor | Self | |
| Encompass Capital Partners LLC | 4.3% | 2,089,951 | 0 | 2,089,951 | Todd J. Kantor | Todd J. Kantor | Managing Member |