| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Impax Asset Management Group plc | 4% | 1.09M | 1.09M | 0 | Karen Cockburn | Chief Financial Officer | |
| Impax Asset Management LTD | 3.5% | 964K | 964K | 0 | Karen Cockburn | Chief Financial Officer | |
| Impax Asset Management (AIFM) Ltd | 0.5% | 127K | 127K | 0 | Karen Cockburn | Chief Financial Officer |