Note 16 – Quarterly Information (Unaudited)

The following table presents selected unaudited quarterly operating results for the years ended December 31, 2017 and 2016 (in millions, except per share data). The Company believes that all necessary adjustments have been included in the amounts stated below to present fairly the quarterly results when read in conjunction with the consolidated financial statements and notes thereto. The sum of the individual quarterly amounts to the full year amounts as disclosed below may contain slight summation differences due to rounding.



	For the 2017 Quarters Ended								For the 2016 Quarters Ended
	March 31		June 30		September 30		December 31		March 31			June 30		September 30		December 31
Revenue	$	1,158.2	$	1,890.2	$	1,955.8	$	1,602.9	$	974.2		$	1,232.4	$	1,586.2	$	1,341.9
Costs of revenue, excluding depreciation and amortization	$	971.1	$	1,626.3	$	1,726.2	$	1,421.7	$	884.4		$	1,068.2	$	1,369.0	$	1,120.6
Net income (loss)	$	40.6	$	83.3	$	64.2	$	160.7	$	(2.9	)	$	24.4	$	56.5	$	55.9
Net income (loss) attributable to MasTec, Inc.	$	41.0	$	81.7	$	63.8	$	160.8	$	(2.7	)	$	24.1	$	56.3	$	53.6
Earnings (loss) per share:
Basic	$	0.51	$	1.01	$	0.79	$	1.98	$	(0.03	)	$	0.30	$	0.70	$	0.67
Diluted	$	0.50	$	0.99	$	0.77	$	1.95	$	(0.03	)	$	0.30	$	0.69	$	0.66

Certain transactions affecting comparisons of the Company’s quarterly results, which may not represent the amounts recognized for the full year for such transactions, include the following:


(i)	Project losses on a proportionately consolidated non-controlled Canadian joint venture, pretax, totaling $7.0 million in the first quarter of 2017, respectively, and totaling $5.1 million in the third quarter of 2016;


(ii)	Excess tax benefits from share-based compensation of $5.6 million in the fourth quarter of 2017;


(iii)	An income tax benefit of $120.1 million from tax reform legislation in the fourth quarter of 2017;


(iv)	Restructuring charges, pretax, totaling $4.1 million, $5.1 million, $4.7 million and $1.4 million in the first, second, third, and fourth quarters of 2016, respectively.