Supplementary Data (Unaudited)

12 Months Ended

Dec. 30, 2017

Supplementary Data (Unaudited)

(21) Supplementary Data (Unaudited)

Supplemental financial information (unaudited) by quarter is shown below for the years ended December 30, 2017 and December 31, 2016. The basic and diluted earnings per share amounts for each period shown reflect retroactive application of 1,521,056 and 1,135,962 shares of Class A common stock issued as stock dividends in 2017 and 2016, respectively.

	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)

(1) 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

Supplementary Data (Unaudited)

(21) Supplementary Data (Unaudited)

Supplemental financial information (unaudited) by quarter is as follows for the years ended December 30, 2017 and December 31, 2016:

	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)