(in thousands, except per share amounts)	First Quarter			Second Quarter			Third Quarter			Fourth Quarter
2017
Net sales	$	103,516		$	110,550		$	103,886		$	114,449
Gross profit^(a)		18,853			18,533			16,591			20,752
Net loss attributable to Ampco-Pittsburgh^(b)		(4,783	)		(1,913	)		(2,202	)		(3,191	)
Net loss per common share attributable to Ampco-Pittsburgh:
Basic^(b)		(0.39	)		(0.16	)		(0.18	)		(0.26	)
Diluted^(b)		(0.39	)		(0.16	)		(0.18	)		(0.26	)
Comprehensive (loss) income attributable to Ampco-Pittsburgh		(1,808	)		2,952			1,660			7,320
2016
Net sales	$	63,578		$	93,301		$	82,861		$	92,126
Gross profit^(a)		12,473			15,849			15,594			11,454
Net loss attributable to Ampco-Pittsburgh^(c)		(2,890	)		(6,486	)		(27,382	)		(43,062	)
Net loss per common share attributable to Ampco-Pittsburgh:
Basic^(c)		(0.26	)		(0.53	)		(2.23	)		(3.51	)
Diluted^(c)		(0.26	)		(0.53	)		(2.23	)		(3.51	)
Comprehensive loss attributable to Ampco-Pittsburgh^(d)		(1,501	)		(10,739	)		(22,894	)		(47,972	)

(a)	Gross profit excludes depreciation and amortization.

(b)	The fourth quarter of 2017 includes an unfavorable net impact of approximately $1,565 or $0.13 per common share related to the new U.S. Tax Cuts and Jobs Act legislation.

(c)

The second, third and fourth quarters of 2016 include valuation allowances of $1,419, $26,903 and $2,083, respectively, to recognize existing net deferred income tax assets to their estimated net realizable value. Fourth quarter of 2016 also includes an after-tax charge of $4,565 or $0.38 per common share for estimated costs of asbestos-related litigation through 2026, net of estimated insurance recoveries, and a settlement with an insurance carrier for an amount greater than originally estimated, and an after-tax charge of $26,676 or $2.23 per common share primarily for the write-off of goodwill in the Forged and Cast Engineered Products reporting unit deemed to be impaired.

(d)

Third quarter of 2016 includes an adjustment to recognize the effect of a plan amendment to one of its other postretirement benefit plans of $4,762. No income tax benefit was recognized due to the Corporation having a valuation allowance recorded against the deferred income tax assets for the jurisdiction affected by the plan amendment.