Supplementary Data (Unaudited) (Tables)

12 Months Ended

Dec. 30, 2017

Supplemental Financial Information

	2017								2016
	4Q		3Q		2Q		1Q		4Q		3Q		2Q		1Q
Net revenue	$	440,610	$	574,387	$	478,368	$	259,044	$	387,389	$	480,210	$	412,636	$	208,039
Operating income (loss)		57,306		113,911		82,444		(32,784)		48,761		88,410		46,948		(29,457)
Net income (loss) (1)		44,510		84,287		52,088		(55,108)		6,049		61,106		21,505		(42,534)
Net income (loss) attributable to Summit Inc. (1)		43,010		81,264		50,000		(52,444)		(290)		44,820		13,371		(21,118)
Basic earnings per share attributable to Summit Inc. (1)	$	0.39	$	0.74	$	0.46	$	(0.49)	$	(0.00)	$	0.59	$	0.21	$	(0.40)
Diluted earnings per share attributable to Summit Inc. (1)		0.38		0.73		0.46		(0.49)		(0.00)		0.59		0.20		(0.40)

The third quarter of 2017 amounts are revised from prior disclosed amounts due to adjustments identified during the fourth quarter of 2017.

Summit Materials, LLC

Supplemental Financial Information

	2017								2016
	4Q		3Q		2Q		1Q		4Q		3Q		2Q		1Q
Net revenue	$	440,610	$	574,387	$	478,368	$	259,044	$	387,389	$	480,210	$	412,636	$	208,039
Operating income (loss)		57,306		113,911		82,444		(32,784)		48,761		88,410		46,948		(29,457)
Net income (loss)		52,435		82,633		53,827		(54,854)		21,211		61,360		21,759		(42,243)