Common use of Exercisability/Vesting Clause in Contracts

Exercisability/Vesting. The Option Holder may purchase the ------------------------ following percentages of the shares of Common Stock set forth in the Notice on or after the dates set forth below; provided that the Option Holder is employed by the Company or one of its Subsidiaries on the applicable vesting date: ============================================================================ Percent of Shares Commencing on the Date of this Option Subject to this Option that may be Purchased ---------------------------------------------------------------------------- After the First 6 months 10% ---------------------------------------------------------------------------- After the First year 10% ---------------------------------------------------------------------------- After each 6 months thereafter 20% ---------------------------------------------------------------------------- Fully vested after 3 years ============================================================================ The number of shares that may be purchased upon exercise of this Option shall in each case be calculated to the nearest full share.

Exercisability/Vesting. The Option Holder may purchase the ------------------------ following percentages of the shares of Common Stock set forth in the Notice on or after the dates set forth below; provided that the Option Holder is employed by the Company or one of its Subsidiaries on the applicable vesting date: Percent of Shares Commencing on the Date of this Option Subject to this Option that may be Purchased ============================================================================================== Percent of Shares Commencing on the Date of this Option Subject to this Option that may be Purchased ---------------------------------------------------------------------------- On and Before First Anniversary 0% ---------------------------------------------------------------------------------------------- After the First 6 months 10Anniversary 50% ---------------------------------------------------------------------------- ---------------------------------------------------------------------------------------------- After the First year 10Second Anniversary and Until the Expiration Date 100% ---------------------------------------------------------------------------- After each 6 months thereafter 20% ---------------------------------------------------------------------------- Fully vested after 3 years ============================================================================================== The number of shares that may be purchased upon exercise of this Option shall in each case be calculated to the nearest full share.

Exercisability/Vesting. The Option Holder may purchase the ------------------------ following percentages of the shares of Common Stock set forth in the Notice on or after the dates set forth below; provided that the Option Holder is employed by the Company or one of its Subsidiaries on the applicable vesting date: Percent of Shares Commencing on the Date of this Option Subject to this Option that may be Purchased ================================================================================================================= Percent of Shares Commencing on the Date of this Option Subject to this Option that may be Purchased ---------------------------------------------------------------------------- After the First 6 months 10% ---------------------------------------------------------------------------- ----------------------------------------------------------------------------------------------------------------- After the First year 10% ---------------------------------------------------------------------------- ----------------------------------------------------------------------------------------------------------------- After each 6 months thereafter 20% ---------------------------------------------------------------------------- ----------------------------------------------------------------------------------------------------------------- Fully vested after 3 years ================================================================================================================= The number of shares that may be purchased upon exercise of this Option shall in each case be calculated to the nearest full share.

Exercisability/Vesting. The Option Holder may purchase the ------------------------ following percentages of the shares of Common Stock set forth in the Notice on or after the dates set forth below; provided that the Option Holder is employed by the Company or one of its Subsidiaries on the applicable vesting date: ============================================================================ Percent of Shares Commencing on the Date of this Option Subject to this Option that may be Purchased ---------------------------------------------------------------------------- ------------------------------------------------------------------------- After the First 6 months 10% ---------------------------------------------------------------------------- ------------------------------------------------------------------------- After the First year 10% ---------------------------------------------------------------------------- ------------------------------------------------------------------------- After each 6 months thereafter 20% ---------------------------------------------------------------------------- ------------------------------------------------------------------------- Fully vested after 3 years ============================================================================ The number of shares that may be purchased upon exercise of this Option shall in each case be calculated to the nearest full share.