| OIL AND GAS REVENUES | 111.18M |
| Lease operating | 24.28M |
| Production tax | 4.89M |
| Ad valorem tax | |
| Depreciation, depletion and amortization | 48.95M |
| Impairment of oil and gas properties | 105.06M |
| General and administrative (inclusive of stock-based compensation expense of $6,805 and $3,156 for the three months ended June 30, 2011 and 2010, respectively, and $10,655 and $5,320 for the six months ended June 30, 2011 and 2010, respectively) | 18.12M |
| Accretion related to asset retirement obligations | |
| TOTAL COSTS AND EXPENSES | |
| OPERATING INCOME | |
| Gain (loss) on derivative instruments, net | -11.74M |
| Loss on extinguishment of debt | 0 |
| Interest expense | |
| Capitalized interest | |
| Other income (expense), net | 499K |
| INCOME BEFORE INCOME TAXES | |
| INCOME TAX EXPENSE | 313K |
| NET INCOME | -101.17M |
| Increase in market value of investment in Pinnacle Gas Resources, Inc., net of income taxes | |
| COMPREHENSIVE INCOME | |
| BASIC | -1.72 |
| DILUTED | -1.72 |
| BASIC | 58.95M |
| DILUTED | 58.95M |