| Date | Owner | Type | Security | Price | Units | Value | |
|---|---|---|---|---|---|---|---|
| First Reserve Corp | A | Common Stock Options | |||||
| Guill Ben A | A | Common Stock Options | |||||
| Edwards Joseph R | A | Common Stock Options | |||||
| First Reserve GP VII L P | A | Common Stock Options | |||||
| First Reserve Fund VII L P | A | Common Stock Options |