The two tables that follow reflect the unaudited quarterly results of operations for 2011 and 2010.


	52 Weeks Ended August 28, 2011⁽¹⁾
	First Quarter 12 Weeks			Second Quarter 12 Weeks			Third Quarter 12 Weeks			Fourth Quarter 16 Weeks			Total 52 Weeks
REVENUE
Net sales	$	18,823		$	20,449		$	20,188		$	27,588		$	87,048
Membership fees		416			426			435			590			1,867

Total revenue		19,239			20,875			20,623			28,178			88,915
OPERATING EXPENSES
Merchandise costs		16,757			18,235	⁽²⁾		18,067	⁽²⁾		24,680	⁽²⁾		77,739
Selling, general and administrative		1,941			2,038			1,991			2,712			8,682
Preopening expenses		12			4			8			22			46
Provision for impaired assets and closing costs, net		4			2			1			2			9

Operating income		525			596			556			762			2,439
OTHER INCOME (EXPENSE)
Interest expense		(26	)		(27	)		(27	)		(36	)		(116	)
Interest income and other, net		5			4			5			46			60

INCOME BEFORE INCOME TAXES		504			573			534			772			2,383
Provision for income taxes		172			204			193			272			841

Net income including noncontrolling interests		332			369			341			500			1,542
Net income attributable to noncontrolling interests		(20	)		(21	)		(17	)		(22	)		(80	)

NET INCOME ATTRIBUTABLE TO COSTCO	$	312		$	348		$	324		$	478		$	1,462

NET INCOME PER COMMON SHARE ATTRIBUTABLE TO COSTCO:
Basic	$	0.72		$	0.80		$	0.74		$	1.09		$	3.35

Diluted	$	0.71		$	0.79		$	0.73		$	1.08		$	3.30

Shares used in calculation (000's)
Basic		434,099			436,682			436,977			436,596			436,119
Diluted		441,360			443,186			443,570			443,518			443,094
Dividends per share	$	0.205		$	0.205		$	0.240		$	0.240		$	0.89

(1)	As discussed in Note 1, the Company began consolidating Mexico on August 30, 2010.

(2)	Includes a $6, $49, and $32 increase to merchandise costs for a LIFO inventory adjustment for the second, third and fourth quarters, respectively. (See note 1—Merchandise Inventories).


	52 Weeks Ended August 29, 2010
	First Quarter 12 Weeks			Second Quarter 12 Weeks			Third Quarter 12 Weeks			Fourth Quarter 16 Weeks			Total 52 Weeks
REVENUE
Net sales	$	16,922		$	18,356		$	17,385		$	23,592		$	76,255
Membership fees		377			386			395			533			1,691

Total revenue		17,299			18,742			17,780			24,125			77,946
OPERATING EXPENSES
Merchandise costs		15,081			16,396			15,494			21,024			67,995
Selling, general and administrative		1,777			1,873	⁽³⁾		1,789			2,401			7,840
Preopening expenses		11			3			3			9			26
Provision for impaired assets and closing costs, net		2			0			3			3			8

Operating income		428			470			491			688			2,077
OTHER INCOME (EXPENSE)
Interest expense		(24	)		(26	)		(27	)		(34	)		(111	)
Interest income and other, net		18			30			10			30			88

INCOME BEFORE INCOME TAXES		422			474			474			684			2,054
Provision for income taxes		152			169			163			247			731

Net income including noncontrolling interests		270			305			311			437			1,323
Net income attributable to noncontrolling interests		(4	)		(6	)		(5	)		(5	)		(20	)

NET INCOME ATTRIBUTABLE TO COSTCO	$	266		$	299		$	306		$	432		$	1,303

NET INCOME PER COMMON SHARE ATTRIBUTABLE TO COSTCO:
Basic	$	0.61		$	0.68		$	0.69		$	0.99		$	2.97

Diluted	$	0.60		$	0.67		$	0.68		$	0.97		$	2.92

Shares used in calculation (000's)
Basic		437,173			439,786			440,973			437,071			438,611
Diluted		444,849			446,918			448,391			444,289			445,970
Dividends per share	$	0.180		$	0.180		$	0.205		$	0.205		$	0.77

(3)	Includes a $22 charge related to a change in employee benefits whereby certain unused time off will now be paid annually to our employees.