| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Fresnillo plc | 0.9% | 896,760 | 0 | 896,760 | /s/ Gustavo Alarcon | Gustavo Alarcon / General Counsel | 0001446732 |
| Industrias Penoles, S.A.B. de C.V. | 2.3% | 2,374,853 | 621,577 | 1,753,276 | /s/ Mauricio I. Garcia Torres | Chief Financial Officer / Mauricio I. Garcia Torres | 0001435970 |
| Minas Penoles, S.A. de C.V. | 0.8% | 856,516 | 0 | 856,516 | /s/ Mauricio I. Garcia Torres | Chief Financial Officer / Mauricio I. Garcia Torres |