| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Impax Asset Management Group plc | 2.2% | 3,726,264 | 3,726,264 | 0 | Karen Cockburn | Chief Financial Officer | |
| Impax Asset Management LTD | 2.1% | 3,691,581 | 3,691,581 | 0 | Karen Cockburn | Chief Financial Officer | |
| Impax Asset Management (AIFM) Ltd | 0.1% | 34,683 | 34,683 | 0 | Karen Cockburn | Chief Financial Officer |