Valuation and Qualifying Accounts

12 Months Ended

Dec. 31, 2013

Valuation and Qualifying Accounts

TERADYNE, INC.

SCHEDULE II—VALUATION AND QUALIFYING ACCOUNTS

Column A	Column B		Column C		Column D		Column E			Column F
Description	Balance at Beginning of Period		Additions Charged to Cost and Expenses		Other		Deductions			Balance at End of Period
	(in thousands)
Valuation reserve deducted in the balance sheet from the asset to which it applies:
Accounts receivable:
2013 Allowance for doubtful accounts	$	4,118	$	69	$	—	$	1,275	(1)	$	2,912
2012 Allowance for doubtful accounts	$	4,102	$	78	$	—	$	62		$	4,118
2011 Allowance for doubtful accounts	$	3,752	$	—	$	429	$	79		$	4,102

(1) Based upon an improvement in the aging of accounts receivables in 2013, Teradyne reduced its allowance for doubtful accounts by approximately $1 million.

Column A	Column B		Column C		Column D		Column E		Column F
Description	Balance at Beginning of Period		Additions Charged to Cost and Expenses		Other		Deductions		Balance at End of Period
	(in thousands)
Valuation reserve deducted in the balance sheet from the asset to which it applies:
Inventory:
2013 Inventory reserve	$	141,838	$	16,592	$	2,568	$	45,141	$	115,857
2012 Inventory reserve	$	123,512	$	26,849	$	5,353	$	13,876	$	141,838
2011 Inventory reserve	$	122,434	$	11,601	$	6,815	$	17,338	$	123,512