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Stock Performance Graph
The following graph compares the cumulative total stockholder return of our common stock with the cumulative
total return of the S&P 500 Index and the Dow Jones US Technology Hardware & Equipment Index for the five years
ended June 28, 2013. The graph assumes that $100 was invested in our common stock at the close of market on
June 27, 2008, and that all dividends were reinvested. Stockholder returns over the indicated period should not be
considered indicative of future stockholder returns.
TOTAL RETURN TO STOCKHOLDERS
(Assumes $100 investment on 6/27/08)
WESTERN DIGITAL CORPORATION
S&P 500
DOW JONES US TECHNOLOGY
HARDWARE & EQUIPMENT
D
O
L
L
A
R
S
0
50
100
150
200
6/28/13
6/29/12
7/1/11
7/2/10
7/3/09
6/27/08
Total Return Analysis
6/27/08
7/3/09
7/2/10
7/1/11
6/29/12
6/28/13
Western Digital Corporation
$100.00
$75.19
$86.61
$105.08
$ 87.41
$182.07
S&P 500 Index
100.00
73.79
84.43
110.35
116.36
140.32
Dow Jones US Technology Hardware & Equipment
Index
100.00
80.39
98.63
120.52
136.37
132.15
The stock performance graph shall not be deemed soliciting material or to be filed with the SEC or
subject to Regulation 14A or 14C under the Securities Exchange Act of 1934 or to the liabilities of Section 18
of the Securities Exchange Act of 1934, nor shall it be incorporated by reference into any past or future filing
under the Securities Act of 1933 or the Securities Exchange Act of 1934, except to the extent we specifically
request that it be treated as soliciting material or specifically incorporate it by reference into a filing under
the Securities Act of 1933 or the Securities Exchange Act of 1934.
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