| Individual/Entity | Most Recent Trans. | Shares Owned as of Trans. Date | ARMSTRONG J HORD III Director | Acquisition (Non Open Market) 23-Mar-09 | 66,177 23-Mar-09 | CAMP BRETT S Officer | Acquisition (Non Open Market) 24-Mar-08 | 466,595 24-Mar-08 | CRAIN JAMES C Director | Acquisition (Non Open Market) 23-Mar-09 | 54,847 23-Mar-09 | GRAVES STANLEY L Director | Acquisition (Non Open Market) 23-Mar-09 | 52,347 23-Mar-09 | HAYNES CHARLES D Director | Acquisition (Non Open Market) 23-Mar-09 | 51,247 23-Mar-09 | KEENAN W HOWARD JR Director | Acquisition (Non Open Market) 13-Aug-08 | 14,279,732 13-Aug-08 | MALONE PHILIP G Officer | Purchase 24-Mar-09 | 502,665 24-Mar-09 | OVIEDO TONY Officer | Sale 23-Sep-08 | 37,187 23-Sep-08 | RANKIN WILLIAM C Officer | Acquisition (Non Open Market) 24-Mar-08 | 631,837 24-Mar-08 | SERE J DARBY Officer | Purchase 21-May-09 | 728,686 21-May-09 | YORKTOWN ENERGY PARTNERS IV LP Beneficial Owner (10% or more) | Disposition (Non Open Market) 13-Aug-08 | 14,187,072 13-Aug-08 | YORKTOWN IV CO LLC Beneficial Owner (10% or more) | Disposition (Non Open Market) 13-Aug-08 | 14,187,072
13-Aug-08 |
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