 Where is the vesting schedule set forth?
The installments provided for in the vesting schedule set forth in the Grant Notice are cumulative. Each such installment that becomes vested and exercisable pursuant to the vesting schedule set forth in the Grant Notice shall remain vested and exercisable until it becomes unexercisable under Section  3.3 hereof. Once the Option becomes unexercisable, it shall be forfeited immediately.
the Grant Notice