Western Digital (WDC) 8-K Entry into a Material Definitive Agreement

Exhibit 99.3

WESTERN DIGITAL CORPORATION
INVESTOR INFORMATION SUMMARY
Q1 FY2007(All amounts in millions, except ASPs and headcount)

	Q1 FY06			Q2 FY06			Q3 FY06			Q4 FY06			Q1 FY07
HARD DRIVE UNITS:		17.1			18.1			18.8			19.2			22.7
REVENUE:	$	1,010		$	1,117		$	1,129		$	1,086		$	1,264
AVERAGE SELLING PRICE:	$	59		$	62		$	60		$	56		$	56
GROSS MARGIN %:		17.7	%		20.4	%		19.3	%		18.8	%		17.3	%
REVENUE BY CHANNEL:
OEM		55	%		56	%		53	%		54	%		52	%
DISTRIBUTORS		39	%		39	%		40	%		37	%		37	%
RETAIL		6	%		5	%		7	%		9	%		11	%
REVENUE BY GEOGRAPHY:
AMERICAS		36	%		32	%		39	%		38	%		35	%
EUROPE		29	%		34	%		27	%		22	%		28	%
ASIA		35	%		34	%		34	%		40	%		37	%
WORLDWIDE HEADCOUNT:		24,211			24,591			24,235			24,750			25,687
CASH RELATED INFORMATION:
CASH FLOW FROM OPERATIONS	$	40		$	117		$	119		$	126		$	128
CAPITAL ADDITIONS, NET*	$	50		$	52		$	104		$	96		$	72
DEPRECIATION AND AMORTIZATION	$	36		$	39		$	42		$	44		$	45
DAYS SALES OUTSTANDING		42			35			39			40			44
INVENTORY METRICS:
RAW MATERIALS	$	14		$	18		$	16		$	23		$	33
WORK IN PROCESS		54			58			63			62			81
FINISHED GOODS		105			92			99			120			102
TOTAL INVENTORY, NET	$	173		$	168		$	178		$	205		$	216
INVENTORY TURNS		19			21			21			17			19

* Capital additions exclude equipment acquired under capital leases.