Schedule II - Valuation And Qualifying Accounts

12 Months Ended

Dec. 31, 2011

MASTEC, INC.

SCHEDULE II – VALUATION AND QUALIFYING ACCOUNTS

(in millions)


	Balance at Beginning of Period		Charges			(Deductions)			Balance at End of Period
Year ended December 31, 2011
Deducted from asset accounts:
Allowance for doubtful accounts	$	8.5	$	2.0	⁽¹⁾	$	(2.8	)⁽³⁾	$	7.7
Unrealized losses on securities available for sale		0.8		0.7	⁽²⁾		(0.5	)⁽⁴⁾		1.0
Valuation allowance for deferred tax assets		5.6		0.4	⁽⁵⁾		(3.2	)⁽⁸⁾		2.8

Total	$	14.9	$	3.1		$	(6.5	)	$	11.5

Year ended December 31, 2010
Deducted from asset accounts:
Allowance for doubtful accounts	$	10.3	$	2.9	⁽¹ ⁾	$	(4.7	)⁽³⁾	$	8.5
Unrealized losses on securities available for sale		3.0		—			(2.2	)⁽⁶⁾		0.8
Valuation allowance for deferred tax assets		5.4		0.2	⁽⁵⁾		—			5.6

Total	$	18.7	$	3.1		$	(6.9	)	$	14.9

Year ended December 31, 2009
Deducted from asset accounts:
Allowance for doubtful accounts	$	11.6	$	2.4	⁽¹⁾	$	(3.7	)⁽³ ⁾	$	10.3
Unrealized losses on securities available for sale		13.1		—			(10.1	)⁽⁷⁾		3.0
Valuation allowance for deferred tax assets		24.2		—			(18.8	)⁽⁸⁾		5.4

Total	$	48.9	$	2.4		$	(32.6	)	$	18.7

(1)	Provision for doubtful accounts.

(2)	Unrealized losses and reductions to unrealized gains recorded in other comprehensive income.

(3)	Write-offs and reversals of uncollectible accounts.

(4)	Represents reversal of unrealized losses upon redemption of security.

(5)	Increase in the foreign tax loss carryforward.

(6)	Represents $1.2 million of credit and other losses recognized in earnings, $0.9 million of reversal of unrealized losses upon sale of securities and $0.1 million, net, of unrealized gains recognized in other comprehensive income.

(7)	Represents $4.0 million of unrealized gains recorded in other comprehensive income, and $6.1 million of credit losses recognized in earnings.

(8)	Decrease in valuation allowance for deferred tax assets is due primarily to the utilization of tax loss carryforwards and other tax benefits.