SCHEDULE II - CONSOLIDATED VALUATION AND QUALIFYING ACCOUNTS

12 Months Ended

Dec. 31, 2013

SCHEDULE II - CONSOLIDATED VALUATION AND QUALIFYING ACCOUNTS

SCHEDULE II - CONSOLIDATED VALUATION AND QUALIFYING ACCOUNTS

SCHEDULE II — CONSOLIDATED VALUATION AND QUALIFYING ACCOUNTS

MELLANOX TECHNOLOGIES, LTD.

Description:	Balance atBeginning ofYear		Charged (Credited)to Costsand Expenses			Deductions (Recovery)			Balance atEnd of Year
	(in thousands)
Year ended December 31, 2013:
Deducted from asset accounts:
Allowance for doubtful accounts	$	639	$	—		$	—		$	639
Allowance for sales returns and adjustments	79		(79		)	—			—
Income tax valuation allowance	28,039		—			(674		)	27,365
Total	$	28,757	$	(79	)	$	(674	)	$	28,004
Year ended December 31, 2012:
Deducted from asset accounts:
Allowance for doubtful accounts	$	557	$	82		$	—		$	639
Allowance for sales returns and adjustments	337		(258		)	—			79
Income tax valuation allowance	22,095		5,944			—			28,039
Total	$	22,989	$	5,768		$	—		$	28,757
Year ended December 31, 2011:
Deducted from asset accounts:
Allowance for doubtful accounts	$	402	$	155		$	—		$	557
Allowance for sales returns and adjustments	75		262			—			337
Income tax valuation allowance	3,245		18,871			(21		)	22,095
Total	$	3,722	$	19,288		$	(21	)	$	22,989

The Company identified and corrected errors in the roll-forward of the income tax valuation allowance for each of the three years in the period ended December 31 2013 included in the Valuation and Qualifying Accounts Schedule. Prior to the correction of the errors, the income tax valuation allowance was $29.1 million, $32.1 million and $28.5 million as of December 31, 2013, December 31, 2012, and December 31, 2011, respectively. The amount of recovery was $(2.9) million for the year ended December 31, 2013. The amounts charged to costs and expenses were $3.6 million and $25.3 million for the years ended December 31, 2012 and December 31, 2011, respectively.