Quarterly Financial Data (Unaudited)

12 Months Ended

Dec. 31, 2016

The following tables present the unaudited financial data for each of the interim periods in 2016 and 2015 (in millions of dollars, except per share amounts):



	Quarter Ended 31-Mar			Quarter Ended 30-Jun			Quarter Ended 30-Sep			Quarter Ended 31-Dec
2016
Net sales	$	343.2		$	334.9		$	320.6		$	331.9
Cost of products sold, excluding depreciation, amortization and other items	262.0			250.4			254.7			252.4
Lower of cost or market inventory write-down	4.9			—			—			—
Unrealized gain on derivative instruments	(4.0		)	(10.9		)	(2.0		)	(1.8		)
Gross profit	80.3			95.4			67.9			81.3
Operating income	44.8			57.9			29.8			45.3
Net income	$	26.3		$	26.0		$	14.9		$	24.5
Net income per common share, Basic	$	1.47		$	1.45		$	0.84		$	1.39
Net income per common share, Diluted	$	1.44		$	1.43		$	0.82		$	1.37



	Quarter Ended 31-Mar¹			Quarter Ended 30-Jun		Quarter Ended 30-Sep		Quarter Ended 31-Dec
2015
Net sales	$	371.7		$	367.2	$	336.4	$	316.6
Cost of products sold, excluding depreciation, amortization and other items	302.3			294.8		267.3		251.0
Lower of cost or market inventory write-down	—			—		—		2.6
Unrealized loss (gain) on derivative instruments	4.5			1.5		1.7		(4.3		)
Gross profit	64.9			70.9		67.4		67.3
Operating (loss) income	(458.6		)	37.0		40.5		35.2
Net (loss) income	$	(292.2	)	$	20.2	$	22.1	$	13.3
Net (loss) income per common share, Basic	$	(16.85	)	$	1.19	$	1.29	$	0.76
Net (loss) income per common share, Diluted	$	(16.85	)	$	1.11	$	1.21	$	0.73

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^1.	The quarter ended March 31, 2015 includes the loss recognized on removal of the Union VEBA net assets. See Note 6 for additional information.