Common use of Service-Based Clause in Contracts

Service-Based. Subject to the Participant’s continued Employment as of such dates (except as otherwise provided herein with respect to death, Disability, Retirement or Change in Control), the Option shall vest and become exercisable with respect to twenty-five percent (25%) of the Shares initially covered by the Option on each of the first, second, third and fourth anniversaries of the Grant Date.

Service-Based. Subject to the Participant’s continued Employment as of such dates (except as otherwise provided herein with respect to death, Disability, Retirement or Change in ControlRetirement), the Option shall vest and become exercisable with respect to twenty-five percent (25%) of the Shares initially covered by the Option on each of the first, second, third and fourth anniversaries of the Grant Date.

Service-Based. Subject to the Participant’s continued Employment as of such dates (except as otherwise provided herein with respect to death, Disability, Retirement or Change in Control), the Option shall vest and become exercisable with respect to twenty-five percent (25%) of the Shares initially covered by the Option on each of the first, second, third and fourth anniversaries of the Grant Date.. {02784647.DOC;3 }