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transactions may have on them personally. Under the Change of Control Severance Plan, all of our executives are
eligible to receive severance benefits if the executive is terminated by us without "cause" as well as if the executive
voluntarily terminates his employment for "good reason" within one year after a "change in control" or prior to and
in connection with, or in anticipation of, a change of control transaction. In the context of a change of control, we
believe that severance is appropriate if an executive voluntarily terminates employment with us for a "good reason"
because in these circumstances we believe that a voluntary termination for good reason is essentially equivalent to
an involuntary termination by us without cause. Good reason generally includes certain materially adverse changes
in responsibilities, compensation, benefits or location of work place. In such circumstances, we provide severance
benefits to our named executive officers under our Change of Control Severance Plan generally consisting of an
amount equal to two times the executive's annual base salary and target bonus, accelerated vesting of certain equity
awards and certain continued health and welfare benefits.
We believe that the severance benefits provided to our executive officers under the Executive Severance
Plan and the Change of Control Severance Plan are appropriate in light of severance protections available to
executives at our peer group companies and are an important component of each executive's overall
compensation as they help us to attract and retain our key executives who could have other job alternatives that
may appear to them to be more attractive absent these protections. Our severance arrangements do not include
tax gross-up provisions.
Under our standard terms and conditions for stock options, restricted stock and RSU awards granted to our
executive officers prior to September 2011, such awards generally will immediately vest upon the occurrence of
a change in control event as defined in our 2004 Performance Incentive Plan. In addition, the standard terms and
conditions of long-term performance cash awards granted to our executive officers prior to September 2011
provide that the long-term performance cash award will become immediately payable at its target level in the
event of a change in control event. However, we generally do not believe that severance benefits should be paid
unless there is an actual or, in the context of a change of control, constructive termination of an executive's
employment without cause. As such, in September 2011, the Compensation Committee approved new forms of
award agreement under the 2004 Performance Incentive Plan applicable to executive officers that provide, in
general and in relevant part, for accelerated vesting of the awards only if there is both (1) a change in control
event, and (2) the awards are to be terminated in connection with the change in control event or, within one year
after the change in control event, the officer's employment is terminated by the company without cause or by the
officer for good reason. We believe these provisions are appropriate so that, in these circumstances, executives
will remain focused on the best interests of Western Digital and its stockholders despite that the fact that, in
change in control circumstances, equity awards could be terminated and the future terms of executives'
employment are often uncertain.
Please see the "Potential Payments Upon Termination or Change in Control" section beginning on page 58
below for a description and quantification of the potential payments that may be made to the executive officers in
connection with their termination of employment or a change in control.
Other Executive Compensation Program Policies
Employment Agreements
The Compensation Committee does not have an established policy for entering into employment agreements
with executive officers. Generally, absent other factors, the Compensation Committee's intent is to retain the
flexibility to review and adjust compensation to our executive officers on at least an annual basis. In certain
circumstances, however, we have entered into employment agreements with our executive officers where we
determined that the retention of the executive during the term of the agreement was critical to our future success.
In these cases, we may agree to fix some or all of the executive's compensation for the term of the agreement.
On September 10, 2012, we announced that Mr. Coyne had decided to retire from the company on
January 2, 2013 and that Mr. Milligan would succeed Mr. Coyne as our President and Chief Executive Officer
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