Segments and Related Information (Tables)

3 Months Ended

Mar. 31, 2017

Schedule of Financial Information by Reportable Segment

Summarized financial information for MasTec’s reportable segments is presented and reconciled to consolidated financial information for total MasTec in the following tables (in millions):



	For the Three Months Ended March 31,
Revenue:	2017			2016
Communications ^(a)	$	559.5		$	511.6
Oil and Gas	455.9			292.7
Electrical Transmission	98.8			86.3
Power Generation and Industrial	46.6			81.4
Other	1.7			3.4
Eliminations	(4.3		)	(1.2		)
Consolidated revenue	$	1,158.2		$	974.2


(a)	Revenue generated primarily by utilities customers represented 13.4% and 10.4% of Communications segment revenue for the three month periods ended March 31, 2017 and 2016, respectively.



	For the Three Months Ended March 31,
EBITDA:	2017			2016
Communications	$	48.4		$	61.7
Oil and Gas	93.9			16.2
Electrical Transmission	3.2			(23.8		)
Power Generation and Industrial	0.8			2.9
Other	(5.3		)	0.2
Corporate	(17.5		)	(11.0		)
Consolidated EBITDA	$	123.5		$	46.2



	For the Three Months Ended March 31,
Depreciation and Amortization:	2017		2016
Communications	$	12.0	$	12.3
Oil and Gas	21.9		18.2
Electrical Transmission	5.8		5.2
Power Generation and Industrial	1.5		1.5
Other	0.0		0.0
Corporate	1.7		1.8
Consolidated depreciation and amortization	$	42.9	$	39.0

Reconciliation of Consolidated Income (Loss) before Income Taxes to EBITDA

The following table, which may contain slight summation differences due to rounding, presents a reconciliation of consolidated income (loss) before income taxes to EBITDA (in millions):



	For the Three Months Ended March 31,
EBITDA Reconciliation:	2017		2016
Income (loss) before income taxes	$	68.0	$	(5.0	)
Plus:
Interest expense, net	12.6		12.2
Depreciation and amortization	42.9		39.0
Consolidated EBITDA	$	123.5	$	46.2

Schedule of Significant Customers, Revenue Concentration Information

Revenue concentration information for significant customers as a percentage of total consolidated revenue was as follows:



	For the Three Months Ended March 31,
Customer:	2017	2016
AT&T (including DIRECTV^®) ^(a)	36%	39%
Energy Transfer affiliates ^(b)	17%	18%

(a)

The Company’s relationship with AT&T is based upon multiple separate master service and other service agreements, including for installation and maintenance services, as well as construction/installation contracts for AT&T’s: (i) wireless business; (ii) wireline/fiber businesses; and (iii) various install-to-the-home businesses, including DIRECTV®. Revenue from AT&T is included in the Communications segment.


(b)	The Company's relationship with Energy Transfer affiliates is based upon various construction contracts for pipeline activities with Energy Transfer Partners L.P., Sunoco Logistics Partners L.P., and their subsidiaries and affiliates, all of which are consolidated by Energy Transfer Equity, L.P. Revenue from Energy Transfer affiliates is included in the Oil and Gas segment.