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If the form is filed by more than one reporting person, see Instruction 5(b)(v). |
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Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a). |
(1) |
This option vested over four years measured from the vesting commencement date, May 9, 2005, with 1/4th vested on the first anniversary of the vesting commencement date and the remainder vested in 36 equal monthly installments thereafter. |
(2) |
This option, originally covering 19,615 shares, vests over four years measured from the vesting commencement date, August 13, 2007, with 1/4th vesting on the first anniversary of the vesting commencement date and the remainder vesting in 36 equal monthly installments thereafter, and was exercised in part prior to the date hereof. |
(3) |
This option, originally covering 25,000 shares, vests over four years measured from the vesting commencement date, May 7, 2008, with 1/4th vesting on the first anniversary of the vesting commencement date and the remainder vesting in 36 equal monthly installments thereafter, and was exercised in part prior to the date hereof. |
(4) |
This option, originally covering 70,000 shares, vests over three years measured from the vesting commencement date, January 21, 2009, with 1/3rd vesting on the first anniversary of the vesting commencement date and the remainder vesting in 24 equal monthly installments thereafter, and was exercised in part prior to the date hereof. |
(5) |
This option vests over four years measured from the vesting commencement date, March 8, 2010, with 1/4th vesting on the first anniversary of the vesting commencement date and the remainder vesting in 36 equal monthly installments thereafter. |
(6) |
100% of the restricted stock units are scheduled to vest on August 13, 2011, assuming continued employment through the vesting date. |
(7) |
Each restricted stock unit represents a contingent right to receive one share of common stock upon the vesting of the unit. |