Oil and Gas Revenues

Costs and Operating Expenses
Oil and gas production costs
Oil and gas production taxes
Depreciation, depletion & amortization
General and administrative expense

Total Costs and Operating Expenses

Other Income (Expense)
Gain from change in fair value of put options
Accretion expense
Interest expense

Net Other Expense

Income Before Provision for
Income Taxes and Cumulative Effect
of Change in Accounting Principle

Provision for Deferred Income Taxes

Income Before Cumulative Effect of Change in Accounting Principle

Cumulative Effect of Change in Accounting Principle

Income (Loss) Attributable to Common Shares

Basic Income (Loss)
   Per Common Share
Diluted Income (Loss)
   Per Common Share

Basic Weighted-Average
   Common Shares Outstanding
Diluted Weighted-Average
   Common Shares Outstanding