Condensed Consolidating Balance Sheets
September 30, 2011
(in thousands)


										Non-
							Guarantor			Guarantor
	Parent			Issuer			Subsidiaries			Subsidiaries			Eliminations			Consolidated
ASSETS
Current assets:
Cash and cash equivalents	$	—		$	153,526		$	5,045		$	51,610		$	—		$	210,181
Short-term investments		—			223,592			—			—			—			223,592
Accounts receivable, net		—			1,486			405,564			111,426			(36,555	)		481,921
Income taxes receivable		—			—			—			4,155			(4,155	)		—
Prepaid expenses		62			7,099			11,966			16,524			—			35,651
Inventory and other current assets		—			1,579			205,449			13,009			—			220,037
Intercompany interest receivable		—			35,516			—			—			(35,516	)		—

Total current assets		62			422,798			628,024			196,724			(76,226	)		1,171,382

Property, plant and equipment, net		—			2,871			1,046,722			391,259			—			1,440,852
Goodwill, net		—			—			446,947			144,768			—			591,715
Notes receivable		—			—			72,406			—			—			72,406
Intercompany notes receivable		—			501,598			—			—			(501,598	)		—
Investments in subsidiaries		124,271			595,029			—			—			(719,300	)		—
Equity-method investments		—			69,674			—			1,832			—			71,506
Intangible and other long-term assets, net		—			28,243			77,870			29,768			—			135,881

Total assets	$	124,333		$	1,620,213		$	2,271,969		$	764,351		$	(1,297,124	)	$	3,483,742


LIABILITIES AND STOCKHOLDERS’ EQUITY
Current liabilities:
Accounts payable	$	—		$	3,699		$	77,672		$	73,842		$	(37,140	)	$	118,073
Accrued expenses		140			54,568			104,140			39,947			—			198,795
Income taxes payable		11,242			—			—			—			(4,155	)		7,087
Deferred income taxes		12,214			—			—			—			—			12,214
Current portion of decommissioning liabilities		—			—			17,090			—			—			17,090
Current maturities of long-term debt		—			395,623			—			810			—			396,433
Intercompany interest payable		—			—			—			35,516			(35,516	)		—

Total current liabilities		23,596			453,890			198,902			150,115			(76,811	)		749,692

Deferred income taxes		257,553			—			—			12,249			—			269,802
Decommissioning liabilities		—			—			105,372			—			—			105,372
Long-term debt, net		—			798,196			—			12,141			—			810,337
Intercompany notes payable		—			—			—			501,598			(501,598	)		—
Intercompany payables/(receivables)		(98,268	)		963,278			(215,454	)		(114,620	)		(534,936	)		—
Other long-term liabilities		8,260			31,117			27,065			46,906			—			113,348

Stockholders’ equity:
Preferred stock of $.01 par value		—			—			—			—			—			—
Common stock of $.001 par value		80			—			—			403			(403	)		80
Additional paid in capital		444,187			124,271			—			59,104			(183,376	)		444,186
Accumulated other comprehensive income (loss), net		—			—			—			(23,161	)		—			(23,161	)
Retained earnings (accumulated deficit)		(511,075	)		(750,539	)		2,156,084			119,616			—			1,014,086

Total stockholders’ equity		(66,808	)		(626,268	)		2,156,084			155,962			(183,779	)		1,435,191

Total liabilities and stockholders’ equity	$	124,333		$	1,620,213		$	2,271,969		$	764,351		$	(1,297,124	)	$	3,483,742

December 31, 2010
(in thousands)


										Non-
							Guarantor			Guarantor
	Parent			Issuer			Subsidiaries			Subsidiaries			Eliminations			Consolidated
ASSETS
Current assets:
Cash and cash equivalents	$	—		$	—		$	5,493		$	45,234		$	—		$	50,727
Accounts receivable, net		—			415			382,935			99,010			(29,910	)		452,450
Income tax receivable		—			—			—			2,024			(2,024	)		—
Prepaid expenses		18			4,128			8,948			12,734			—			25,828
Inventory and other current assets		—			1,678			222,822			10,547			—			235,047
Intercompany interest receivable		—			15,883			—			—			(15,883	)		—


Total current assets		18			22,104			620,198			169,549			(47,817	)		764,052


Property, plant and equipment, net		—			3,189			957,561			352,400			—			1,313,150
Goodwill, net		—			—			447,467			140,533			—			588,000
Notes receivable		—			—			69,026			—			—			69,026
Intercompany notes receivable		—			456,280			—			—			(456,280	)		—
Investments in subsidiaries		124,271			602,461			4,347			4,347			(735,426	)		—
Equity-method investments		—			43,947			—			15,375			—			59,322
Intangible and other long-term assets, net		—			22,455			61,722			29,806			—			113,983


Total assets	$	124,289		$	1,150,436		$	2,160,321		$	712,010		$	(1,239,523	)	$	2,907,533


LIABILITIES AND STOCKHOLDERS’ EQUITY
Current liabilities:
Accounts payable	$	—		$	6,654		$	71,790		$	64,636		$	(32,804	)	$	110,276
Accrued expenses		153			42,821			91,451			27,619			—			162,044
Income taxes payable		4,499			—			—			—			(2,024	)		2,475
Deferred income taxes		29,353			—			—			—			—			29,353
Current portion of decommissioning liabilities		—			—			16,929			—			—			16,929
Current maturities of long-term debt		—			184,000			—			810			—			184,810
Intercompany interest payable		—			—			—			15,883			(15,883	)		—


Total current liabilities		34,005			233,475			180,170			108,948			(50,711	)		505,887


Deferred income taxes		211,173			—			—			12,763			—			223,936
Decommissioning liabilities		—			—			100,787			—			—			100,787
Long-term debt, net		—			669,089			—			12,546			—			681,635
Intercompany notes payable		—			—			—			456,280			(456,280	)		—
Intercompany payables/(receivables)		(100,882	)		760,164			(1,407	)		(125,246	)		(532,629	)		—
Other long-term liabilities		8,260			37,537			19,427			49,513			—			114,737
Stockholders’ equity:
Preferred stock of $.01 par value		—			—			4,347			4,347			(8,694	)		—
Common stock of $.001 par value		79			—			—			176			(176	)		79
Additional paid in capital		415,278			124,271			—			66,762			(191,033	)		415,278
Accumulated other comprehensive loss, net		—			—			—			(25,700	)		—			(25,700	)
Retained earnings (accumulated deficit)		(443,624	)		(674,100	)		1,856,997			151,621			—			890,894

Total stockholders’ equity (deficit)		(28,267	)		(549,829	)		1,861,344			197,206			(199,903	)		1,280,551

Total liabilities and stockholders’ equity	$	124,289		$	1,150,436		$	2,160,321		$	712,010		$	(1,239,523	)	$	2,907,533

Condensed Consolidating Statements of Operations
Three Months Ended September 30, 2011
(in thousands)


									Non-
							Guarantor		Guarantor
	Parent			Issuer			Subsidiaries		Subsidiaries			Eliminations			Consolidated
Revenues	$	—		$	—		$	478,485	$	104,888		$	(18,031	)	$	565,342
Costs and expenses:
Cost of services (exclusive of items shown separately below)		—			—			239,282		79,716			(17,933	)		301,065
Depreciation, depletion, amortization and accretion		—			131			54,395		10,349			—			64,875
General and administrative expenses		81			18,344			59,540		17,524			(98	)		95,391


Income (loss) from operations		(81	)		(18,475	)		125,268		(2,701	)		—			104,011


Other income (expense):
Interest expense, net		—			(20,631	)		1,254		262			—			(19,115	)
Intercompany interest income/(expense)		—			6,822			—		(6,822	)		—			—
Earnings (losses) from equity-method investments, net		—			8,198			—		—			—			8,198


Income (loss) before income taxes		(81	)		(24,086	)		126,522		(9,261	)		—			93,094

Income taxes		35,021			—			—		(1,507	)		—			33,514


Net income (loss)	$	(35,102	)	$	(24,086	)	$	126,522	$	(7,754	)	$	—		$	59,580

Three Months Ended September 30, 2010
(in thousands)


									Non-
							Guarantor		Guarantor
	Parent			Issuer			Subsidiaries		Subsidiaries			Eliminations			Consolidated
Revenues	$	—		$	—		$	367,880	$	88,481		$	(21,008	)	$	435,353

Costs and expenses:
Cost of services (exclusive of items shown separately below)		—			—			185,533		67,783			(21,008	)		232,308
Depreciation, depletion, amortization and accretion		—			129			47,040		9,636			—			56,805
General and administrative expenses		62			22,092			49,400		13,358			—			84,912


Income (loss) from operations		(62	)		(22,221	)		85,907		(2,296	)		—			61,328


Other income (expense):
Interest income (expense), net		—			(12,806	)		1,287		(937	)		—			(12,456	)
Intercompany interest income/(expense)		—			3,903			—		(3,903	)		—			—
Earnings from equity-method investments, net		—			1,417			—		1,613			—			3,030

Income (loss) before income taxes		(62	)		(29,707	)		87,194		(5,523	)		—			51,902

Income taxes		19,027			—			—		(342	)		—			18,685


Net income (loss)	$	(19,089	)	$	(29,707	)	$	87,194	$	(5,181	)	$	—		$	33,217

Nine Months Ended September 30, 2011
(in thousands)


									Non-
							Guarantor		Guarantor
	Parent			Issuer			Subsidiaries		Subsidiaries			Eliminations			Consolidated
Revenues	$	—		$	—		$	1,264,360	$	280,720		$	(54,951	)	$	1,490,129

Costs and expenses:
Cost of services (exclusive of items shown separately below)		—			—			655,052		205,954			(54,726	)		806,280
Depreciation, depletion, amortization and accretion		—			388			154,827		32,337			—			187,552
General and administrative expenses		611			57,591			167,494		52,680			(225	)		278,151
Gain on sale of business		—			—			8,558		—			—			8,558


Income (loss) from operations		(611	)		(57,979	)		295,545		(10,251	)		—			226,704


Other income (expense):
Interest expense, net		—			(50,691	)		3,542		(791	)		—			(47,940	)
Intercompany interest income/(expense)		—			19,633			—		(19,633	)		—			—
Earnings (losses) from equity-method investments, net		—			12,598			—		1,126			—			13,724


Income (loss) before income taxes		(611	)		(76,439	)		299,087		(29,549	)		—			192,488

Income taxes		66,840			—			—		2,456			—			69,296


Net income (loss)	$	(67,451	)	$	(76,439	)	$	299,087	$	(32,005	)	$	—		$	123,192

Nine Months Ended September 30, 2010
(in thousands)


									Non-
							Guarantor		Guarantor
	Parent			Issuer			Subsidiaries		Subsidiaries			Eliminations			Consolidated
Revenues	$	—		$	—		$	1,037,981	$	242,453		$	(55,714	)	$	1,224,720
Costs and expenses:
Cost of services (exclusive of items shown separately below)		—			—			549,772		167,218			(55,714	)		661,276
Depreciation, depletion, amortization and accretion					386			134,205		27,561			—			162,152
General and administrative expenses		230			72,735			140,647		34,553			—			248,165


Income (loss) from operations		(230	)		(73,121	)		213,357		13,121			—			153,127


Other income (expense):
Interest income (expense), net		—			(40,139	)		3,244		(2,279	)		—			(39,174	)
Intercompany interest income/(expense)		—			9,576			—		(9,576	)		—			—
Earnings from equity-method investments, net		—			3,917			—		5,268			—			9,185


Income (loss) before income taxes		(230	)		(99,767	)		216,601		6,534			—			123,138

Income taxes		39,062			—			—		5,268			—			44,330


Net income (loss)	$	(39,292	)	$	(99,767	)	$	216,601	$	1,266		$	—		$	78,808

Condensed Consolidating Statements of Cash Flows
Nine Months Ended September 30, 2011
(in thousands)


										Non-
							Guarantor			Guarantor
	Parent			Issuer			Subsidiaries			Subsidiaries			Consolidated
Cash flows from operating activities:
Net income (loss)	$	(67,451	)	$	(76,439	)	$	299,087		$	(32,005	)	$	123,192
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation, depletion, amortization and accretion		—			388			154,827			32,337			187,552
Deferred income taxes		39,503			—			—			(603	)		38,900
Excess tax benefit from stock-based compensation		(10,262	)		—			—			—			(10,262	)
Stock-based and performance share unit compensation expense		—			10,273			—			—			10,273
Retirement and deferred compensation plans expense		—			1,994			—			—			1,994
(Earnings) losses from equity-method investments, net		—			(11,061	)		—			(1,126	)		(12,187	)
Amortization of debt acquisition costs and note discount		—			19,321			—			12			19,333
Gain on sale of business		—			—			(8,558	)		—			(8,558	)
Other reconciling items, net		—			(1,279	)		(3,380	)		—			(4,659	)
Changes in operating assets and liabilities, net of acquisitions and dispositions:
Accounts receivable		—			(1,072	)		(23,515	)		(4,012	)		(28,599	)
Inventory and other current assets		—			99			14,281			(2,965	)		11,415
Accounts payable		—			(2,956	)		2,830			3,190			3,064
Accrued expenses		(13	)		9,810			11,034			6,376			27,207
Income taxes		5,444			—			—			(4,667	)		777
Other, net		(44	)		(4,798	)		8,395			(870	)		2,683

Net cash provided by (used in) operating activities		(32,823	)		(55,720	)		455,001			(4,333	)		362,125

Cash flows from investing activities:
Payments for capital expenditures		—			(70	)		(263,983	)		(65,176	)		(329,229	)
Purchases of short-term investments, net		—			(223,491	)		—			—			(223,491	)
Acquisitions of businesses, net of cash acquired		—			—			(200	)		(548	)		(748	)
Cash proceeds from sale of business		—			—			22,349			—			22,349
Other, net		—			—			(720	)		—			(720	)
Intercompany receivables/payables		10,648			123,465			(212,895	)		78,782			—

Net cash provided by (used in) investing activities		10,648			(100,096	)		(455,449	)		13,058			(531,839	)

Cash flows from financing activities:
Net payments on revolving credit facility		—			(175,000	)		—			—			(175,000	)
Proceeds from long-term debt		—			500,000			—			—			500,000
Principal payments on long-term debt		—			—			—			(405	)		(405	)
Payment of debt acquisition costs		—			(9,558	)		—			—			(9,558	)
Proceeds from exercise of stock options		10,211			—			—			—			10,211
Excess tax benefit from stock-based compensation		10,262			—			—			—			10,262
Proceeds from issuance of stock through employee benefit plans		1,702			—			—			—			1,702
Other		—			(6,100	)		—			(2,353	)		(8,453	)

Net cash provided by (used in) financing activities		22,175			309,342			—			(2,758	)		328,759

Effect of exchange rate changes on cash		—			—			—			409			409

Net increase (decrease) in cash and cash equivalents		—			153,526			(448	)		6,376			159,454
Cash and cash equivalents at beginning of period		—			—			5,493			45,234			50,727

Cash and cash equivalents at end of period	$	—		$	153,526		$	5,045		$	51,610		$	210,181

Nine Months Ended September 30, 2010
(in thousands)


										Non-
							Guarantor			Guarantor
	Parent			Issuer			Subsidiaries			Subsidiaries			Consolidated
Cash flows from operating activities:
Net income (loss)	$	(39,292	)	$	(99,767	)	$	216,601		$	1,266		$	78,808
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, depletion, amortization and accretion		—			386			134,205			27,561			162,152
Deferred income taxes		2,236			—			—			(954	)		1,282
Excess tax benefit from exercise of stock options		(195	)		—			—			—			(195	)
Stock-based and performance share unit compensation expense		—			18,347			—			—			18,347
Retirement and deferred compensation plans expense		—			5,035			—			—			5,035
(Earnings) losses from equity-method investments, net		—			4,524			—			(4,108	)		416
Amortization of debt acquisition costs		—			17,857			—			—			17,857
Other reconciling items, net		—			(244	)		(3,499	)		—			(3,743	)
Changes in operating assets and liabilities, net of acquisitions and dispositions:
Accounts receivable		—			(338	)		(121,501	)		(9,665	)		(131,504	)
Inventory and other current assets		—			44			122,755			(4,180	)		118,619
Accounts payable		—			(1,202	)		1,035			(1,380	)		(1,547	)
Accrued expenses		11			2,249			14,144			5,306			21,710
Income taxes		38,940			—			—			(2,458	)		36,482
Other, net		(1,054	)		(1,956	)		17,508			(1,467	)		13,031

Net cash provided by operating activities		646			(55,065	)		381,248			9,921			336,750


Cash flows from investing activities:
Payments for capital expenditures		—			—			(153,336	)		(85,476	)		(238,812	)
Acquisitions of businesses, net of cash acquired		—			—			(55,276	)		(206,772	)		(262,048	)
Other, net		—			963			(6,980	)		(252	)		(6,269	)
Intercompany receivables/payables		(2,742	)		(128,846	)		(169,464	)		301,052			—


Net cash provided by (used in) investing activities		(2,742	)		(127,883	)		(385,056	)		8,552			(507,129	)


Cash flows from financing activities:
Net borrowings on revolving credit facility		—			16,500			—			—			16,500
Principal payments on long-term debt		—			—			—			(405	)		(405	)
Payment of debt acquisition costs		—			(5,164	)		—			—			(5,164	)
Proceeds from exercise of stock options		396			—			—			—			396
Excess tax benefit from stock-based compensation		195			—			—			—			195
Proceeds from issuance of stock through employee benefit plans		1,505			—			—			—			1,505
Other		—			—			—			(2,100	)		(2,100	)

Net cash provided by (used in) financing activities		2,096			11,336			—			(2,505	)		10,927

Effect of exchange rate changes on cash		—			—			—			328			328

Net increase (decrease) in cash and cash equivalents		—			(171,612	)		(3,808	)		16,296			(159,124	)
Cash and cash equivalents at beginning of period		—			171,903			4,871			29,731			206,505

Cash and cash equivalents at end of period	$	—		$	291		$	1,063		$	46,027		$	47,381