Quarterly report pursuant to Section 13 or 15(d)

CONSOLIDATED CONDENSED STATEMENTS OF CASH FLOWS

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CONSOLIDATED CONDENSED STATEMENTS OF CASH FLOWS - USD ($)
$ in Thousands
 6 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Cash flows from operating activities:    
Net income (loss) $ (51,673) $ (69,697)
Adjustments to reconcile net income (loss):    
Depreciation and amortization 55,685 63,184
(Gain) loss on disposition of assets, net 135 465
Deferred tax expense (benefit) (896) (934)
Expenses not requiring cash 4,030 4,948
Change in assets and liabilities:    
Accounts and notes receivable (392) (6,853)
Other assets 8,112 (1,722)
Accounts payable and accrued liabilities (6,026) (8,235)
Accrued income taxes (944) 1,276
Net cash provided by (used in) operating activities 8,031 (17,568)
Cash flows from investing activities:    
Capital expenditures (32,549) (26,559)
Proceeds from the sale of assets 851 185
Net cash provided by (used in) investing activities (31,698) (26,374)
Cash flows from financing activities:    
Payments of debt issuance costs (1,440) 0
Convertible preferred stock dividend (1,813) (1,239)
Shares surrendered in lieu of tax (170) (612)
Proceeds from the issuance of common stock 0 25,200
Proceeds from the issuance of convertible preferred stock 0 50,000
Payment of equity issuance costs 0 (2,864)
Net cash provided by (used in) financing activities (3,423) 70,485
Net increase (decrease) in cash and cash equivalents (27,090) 26,543
Cash and cash equivalents at beginning of period 141,549 119,691
Cash and cash equivalents at end of period 114,459 146,234
Supplemental cash flow information:    
Interest paid 20,588 20,588
Income taxes paid $ 5,359 $ 4,262