MOST ACTIVE INVESTORS
| Audax Group | US | 1 |
| Riverstone Holdings LLC | US | 1 |
MOST ACTIVE ACQURERS
| Davis Selected Advisers LP | US | 1 |
| Southeastern Asset Management | US | 1 |
| Cascade Investment LLC | US | 1 |
| Audax Group | US | 1 |
| Riverstone Holdings LLC | US | 1 |
| Davis Selected Advisers LP | US | 1 |
| Southeastern Asset Management | US | 1 |
| Cascade Investment LLC | US | 1 |