| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Kopernik Global Investors, LLC | 6.6% | 13,124,612 | 0 | 12,417,019 | /s/ Sarah L. Bertrand | Sarah L. Bertrand, General Counsel and Chief Compliance Officer | |
| David B. Iben | 6.6% | 13,124,612 | 0 | 12,417,019 | /s/ David B. Iben | David B. Iben by Sarah L. Bertrand, power of attorney |