Schedule II - Valuation And Qualifying Accounts

12 Months Ended

Dec. 31, 2011

SCHEDULE II — VALUATION AND QUALIFYING ACCOUNTS

MARTIN MARIETTA MATERIALS, INC. AND CONSOLIDATED SUBSIDIARIES


Col A	Col B			Col C					Col D			Col E
				Additions
Description	Balance at beginning of period			(1) Charged to costs and expenses		(2) Charged to other accounts— describe			Deductions— describe			Balance at end of period
	(Amounts in Thousands)
Year ended December 31, 2011
Allowance for doubtful accounts	$	3,578		$	1,717	$	—		$	—		$	5,295
Allowance for uncollectible notes receivable		179			116		—			—			295
Inventory valuation allowance		87,044			7,882		2,154	^(a)		4,599	^(b)		92,481
Accumulated amortization of intangible assets		14,322			1,812		—			984 2,328	^(c) ^(b)		12,822
Year ended December 31, 2010
Allowance for doubtful accounts	$	4,622		$	—	$	—		$	1,044	^(d)	$	3,578
Allowance for uncollectible notes receivable		151			28		—			—			179
Inventory valuation allowance		82,674	^(e)		4,370		—						87,044	^(e)
Accumulated amortization of intangible assets		13,155			1,453		—			286	^(c)		14,322

Year ended December 31, 2009
Allowance for doubtful accounts	$	4,696		$	—	$	—		$	74	^(d)	$	4,622
Allowance for uncollectible notes receivable		—			151		—			—			151
Inventory valuation allowance		80,854	^(e)		1,820					—			82,674	^(e)
Accumulated amortization of intangible assets		12,644			1,711		—			1,200	^(c)		13,155

(a)	Acquisitions.

(b)	Divestitures.

(c)	Write off of fully amortized intangible assets.

(d)	To adjust allowance for change in estimates.

(e)	Reflects the gross up of certain finished products and the related inventory allowances.