The following tables set forth unaudited financial information on a quarterly basis for each of the last two years. The adoption of ASU 2016-09 affected our previously reported first quarter 2016 results. For additional information see Note 2. First quarter 2016 includes impairment expense of $43.0 million related to oil and gas properties in Western Oklahoma. Second quarter, third quarter and fourth quarter 2016 include a total of $37.2 million of expenses related to the MRD Merger. Fourth quarter 2015 includes a loss of $407.7 million from the sale of our Virginia and West Virginia oil and gas properties and impairment expense of $87.9 million related to oil and gas properties in the Texas Panhandle and South Texas. Third quarter 2015 includes impairment expense of $502.2 million related to our Northern Oklahoma and legacy shallow Northwest Pennsylvania assets (in thousands, except per share data):

	2016
	March			June			September			December			Total
Revenues and other income:
Natural gas, NGLs and oil sales	$	209,487		$	224,606		$	304,477		$	458,645		$	1,197,215
Derivative fair value income (loss)		86,908			(162,798	)		64,556			(250,057	)		(261,391	)
Brokered natural gas, marketing and other		35,018			39,989			44,174			44,934			164,115
Total revenue and other income		331,413			101,797			413,207			253,522			1,099,939
Costs and expenses:
Direct operating		24,054			20,671			22,387			30,276			97,388
Transportation, gathering and compression		125,263			136,844			138,764			164,338			565,209
Production and ad valorem taxes		5,887			6,049			6,717			6,790			25,443
Brokered natural gas and marketing		36,558			40,925			44,622			46,471			168,576
Exploration		4,913			6,785			6,943			13,684			32,325
Abandonment and impairment of unproved properties		10,628			7,059			6,082			6,307			30,076
General and administrative		40,657			46,064			41,024			57,027			184,772
MRD Merger expenses		—			2,621			33,791			813			37,225
Termination costs		162			5			136			(822	)		(519	)
Deferred compensation plan		16,056			25,746			(11,636	)		(11,013	)		19,153
Interest		37,739			37,758			45,967			46,749			168,213
Loss on early extinguishment of debt		—			—			—			—			—
Depletion, depreciation and amortization		120,561			122,390			131,489			149,662			524,102
Impairment of proved properties and other		43,040			—			—			—			43,040
Loss (gain) on sale of assets		1,643			3,304			2,597			(470	)		7,074
Total costs and expenses		467,161			456,221			468,883			509,812			1,902,077

(Loss) income before income taxes		(135,748	)		(354,424	)		(55,676	)		(256,290	)		(802,138	)
Income tax expense (benefit):
Current		—			—			—			98			98
Deferred		(41,976	)		(129,488	)		(13,705	)		(95,679	)		(280,848	)
		(41,976	)		(129,488	)		(13,705	)		(95,581	)		(280,750	)
Net (loss) income	$	(93,772	)	$	(224,936	)	$	(41,971	)	$	(160,709	)	$	(521,388	)
Net (loss) income per common share:
Basic	$	(0.56	)	$	(1.35	)	$	(0.23	)	$	(0.66	)	$	(2.75	)
Diluted	$	(0.56	)	$	(1.35	)	$	(0.23	)	$	(0.66	)	$	(2.75	)

	2015
	March			June			September			December			Total
Revenues and other income:
Natural gas, NGLs and oil sales	$	325,483		$	258,053		$	252,065		$	254,043		$	1,089,644
Derivative fair value income (loss)		122,839			(34,791	)		202,004			126,312			416,364
Brokered natural gas, marketing and other		14,485			21,339			25,864			30,372			92,060
Total revenue and other income		462,807			244,601			479,933			410,727			1,598,068
Costs and expenses:
Direct operating		37,137			34,780			35,058			29,388			136,363
Transportation, gathering and compression		89,426			95,198			99,634			112,481			396,739
Production and ad valorem taxes		9,928			9,242			7,336			7,354			33,860
Brokered natural gas and marketing		21,562			27,031			32,331			34,942			115,866
Exploration		7,886			5,025			4,235			4,260			21,406
Abandonment and impairment of unproved properties		11,491			12,330			12,366			11,432			47,619
General and administrative		48,329			55,964			46,178			43,544			194,015
Termination costs		5,950			417			(77	)		8,780			15,070
Deferred compensation plan		(5,624	)		(7,282	)		(43,705	)		(21,016	)		(77,627	)
Interest		39,207			43,479			42,904			40,849			166,439
Loss on early extinguishment of debt		—			—			22,495			—			22,495
Depletion, depreciation and amortization		147,290			151,895			153,993			127,977			581,155
Impairment of proved properties and other		—			—			502,233			87,941			590,174
Loss (gain) on sale of assets		175			(2,909	)		681			408,909			406,856
Total costs and expenses		412,757			425,170			915,662			896,841			2,650,430

Income (loss) before income taxes		50,050			(180,569	)		(435,729	)		(486,114	)		(1,052,362	)
Income tax expense (benefit):
Current		—			—			—			29			29
Deferred		22,366			(61,975	)		(134,781	)		(164,316	)		(338,706	)
		22,366			(61,975	)		(134,781	)		(164,287	)		(338,677	)
Net income (loss)	$	27,684		$	(118,594	)	$	(300,948	)	$	(321,827	)	$	(713,685	)
Net income (loss) per common share:
Basic	$	0.16		$	(0.71	)	$	(1.81	)	$	(1.93	)	$	(4.29	)
Diluted	$	0.16		$	(0.71	)	$	(1.81	)	$	(1.93	)	$	(4.29	)