Except as set forth below, and subject to the discretion of the Administrator to accelerate the vesting schedule, this Stock Option shall become vested with respect to the number of Option Shares on the dates indicated on Exhibit A ; provided that , Optionee’s Employment is through the applicable vesting date set forth on Exhibit A . In addition, if this Stock Option is subject to a Performance Measure (but not otherwise), Section 1(b) shall apply. For the avoidance of doubt, the vesting of this Stock Option may be accelerated automatically in certain circumstances described herein.