Summarized quarterly financial data for December 31, 2017 and 2016:



	Year Ended December 31, 2017
	Quarter
	First			Second			Third			Fourth

	(in thousands, except per unit data)
Net sales	$	85,321		$	97,896		$	69,393		$	78,192
Operating costs and expenses:
Cost of materials and other – Affiliates	2,146			1,664			1,774			1,889
Cost of materials and other – Third parties	19,591			20,477			17,721			19,612
	21,737			22,141			19,495			21,501
Direct operating expenses (exclusive of depreciation and amortization) – Affiliates	832			1,038			978			1,029
Direct operating expenses (exclusive of depreciation and amortization) – Third parties	35,078			36,783			39,290			40,502
	35,910			37,821			40,268			41,531
Depreciation and amortization	15,412			19,982			19,483			19,109
Cost of sales	73,059			79,944			79,246			82,141

Selling, general and administrative expenses – Affiliates	3,886			3,596			3,917			4,216
Selling, general and administrative expenses – Third parties	3,028			2,158			2,166			2,663
	6,914			5,754			6,083			6,879
Total operating costs and expenses	79,973			85,698			85,329			89,020
Operating income (loss)	5,348			12,198			(15,936		)	(10,828		)
Other income (expense):
Interest expense and other financing costs	(15,706		)	(15,696		)	(15,737		)	(15,756		)
Interest income	3			13			14			20
Other income, net	42			16			22			(585		)
Total other expense	(15,661		)	(15,667		)	(15,701		)	(16,321		)
Loss before income tax expense (benefit)	(10,313		)	(3,469		)	(31,637		)	(27,149		)
Income tax expense (benefit)	23			(24		)	(35		)	256
Net loss	$	(10,336	)	$	(3,445	)	$	(31,602	)	$	(27,405	)
Net loss per common unit – basic and diluted	$	(0.09	)	$	(0.03	)	$	(0.28	)	$	(0.24	)
Weighted-average common units outstanding:
Basic and diluted	113,283			113,283			113,283			113,283



	Year Ended December 31, 2016
	Quarter
	First			Second			Third			Fourth

	(in thousands, except per unit data)
Net sales	$	73,092		$	119,797		$	78,474		$	84,921
Operating costs and expenses:
Cost of materials and other – Affiliates	821			536			529			758
Cost of materials and other – Third parties	15,560			35,513			19,282			20,794
	16,381			36,049			19,811			21,552
Direct operating expenses (exclusive of depreciation and amortization) – Affiliates	852			1,249			1,106			1,017
Direct operating expenses (exclusive of depreciation and amortization) – Third parties	22,838			52,895			31,460			36,851
	23,690			54,144			32,566			37,868
Depreciation and amortization	6,976			17,559			16,452			17,259
Cost of sales	47,047			107,752			68,829			76,679

Selling, general and administrative expenses – Affiliates	3,462			3,917			3,560			4,050
Selling, general and administrative expenses – Third parties	2,930			4,426			3,701			3,230
	6,392			8,343			7,261			7,280
Total operating costs and expenses	53,439			116,095			76,090			83,959
Operating income	19,653			3,702			2,384			962
Other income (expense):
Interest expense and other financing costs	(1,635		)	(15,552		)	(15,633		)	(15,737		)
Interest income	2			2			—			2
Gain (loss) on extinguishment of debt	—			(5,116		)	—			254
Other income, net	23			34			26			20
Total other expense	(1,610		)	(20,632		)	(15,607		)	(15,461		)
Income (loss) before income tax expense	18,043			(16,930		)	(13,223		)	(14,499		)
Income tax expense	1			76			207			45
Net income (loss)	$	18,042		$	(17,006	)	$	(13,430	)	$	(14,544	)
Net income (loss) per common unit – basic and diluted	$	0.25		$	(0.15	)	$	(0.12	)	$	(0.13	)
Weighted-average common units outstanding:
Basic and diluted	73,128			113,283			113,283			113,283