Quarterly report pursuant to Section 13 or 15(d)

CONDENSED CONSOLIDATED STATEMENTS OF INCOME

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CONDENSED CONSOLIDATED STATEMENTS OF INCOME (USD $)
In Thousands, except Per Share data, unless otherwise specified
 3 Months Ended 6 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2012
Jun. 30, 2011
Revenues $ 215,513 $ 252,922 $ 451,399 $ 463,777
Operating costs and expenses:        
Lease operating expenses 60,276 48,597 116,938 101,002
Production taxes 1,335 845 2,821 1,133
Gathering and transportation 4,110 3,797 8,330 8,350
Depreciation, depletion, amortization and accretion 85,941 83,370 174,432 157,462
General and administrative expenses 14,623 18,002 44,102 36,131
Derivative (gain) loss (49,872) (17,332) (10,238) 6,508
Total costs and expenses 116,413 137,279 336,385 310,586
Operating income 99,100 115,643 115,014 153,191
Interest expense:        
Incurred 14,706 12,047 28,612 22,176
Capitalized (3,326) (2,079) (6,517) (3,491)
Loss on extinguishment of debt   20,663   20,663
Income before income tax expense 87,720 85,012 92,919 113,843
Income tax expense 34,153 29,837 36,134 40,019
Net income $ 53,567 $ 55,175 $ 56,785 $ 73,824
Basic and diluted earnings per common share $ 0.70 $ 0.73 $ 0.75 $ 0.98
Dividends declared per common share $ 0.08 $ 0.04 $ 0.16 $ 0.08