Common use of Option Acceleration Clause in Contracts

Option Acceleration. (a) during the Term (as hereinafter ------------------- defined), if within twenty-four (24) months following a Change in Control there is a Termination Event (as hereinafter defined), all of Employee's unvested Options granted prior to, on, or after the date hereof (but only (I) such Options as have been granted to Employee by Teradyne as of the date of the Change in Control or (II) such Options as have been assumed by an acquiring company at the time of a Change in Control or such new options that have been substituted by an acquiring company for Options existing at the time of a Change in Control, each pursuant to the terms of any Teradyne option plan) shall automatically become fully vested as of the date of such Termination Event. The parties hereto acknowledge that the terms of this Agreement are intended to modify the terms of Employee's existing Option agreements and to be a supplement to future Option agreements.

Option Acceleration. (a) during During the Term (as hereinafter ------------------- defined), if within twenty-four (24) months following a Change in Control there is a Termination Event (as hereinafter defined), all of Employee's ’s unvested Options granted prior to, on, or after the date hereof (but only (I) such Options as have been granted to Employee by Teradyne as of the date of the Change in Control or (II) such Options as have been assumed by an acquiring company at the time of a Change in Control or such new options that have been substituted by an acquiring company for Options existing at the time of a Change in Control, each pursuant to the terms of any Teradyne option plan) shall automatically become fully vested as of the date of such Termination Event. The parties hereto acknowledge that the terms of this Agreement are intended to modify the terms of Employee's ’s existing Option agreements and to be a supplement to future Option agreements.

Option Acceleration. (a) during the Term (as hereinafter ------------------- defined), if within twenty-four (24) months following a Change in Control there is a Termination Event (as hereinafter defined), all of Employee's unvested Options granted prior to, on, or after the date hereof (but only (I) such Options as have been granted to Employee by Teradyne as of the date of the Change in Control or (II) such Options as have been assumed by an acquiring company at the time of a Change in Control or such new options that have been substituted by an acquiring company for Options existing at the time of a Change in Control, each pursuant to the terms of any Teradyne option plan) shall automatically become fully vested as of the date of such Termination Event. The parties hereto acknowledge that the terms of this Agreement are intended to modify the terms of Employee's existing Option agreements and to be a supplement to future Option agreements.