Option Expiration Date. Unless otherwise provided by the Option Grant Certificate , the “Expiration Date” with respect to an Incentive Stock Option or any portion thereof awarded to a Participant under the Plan means the earliest of:

Vesting Schedule: [Note: Company to elect vesting schedule; following is an example of a standard vesting provision] This Option shall become exercisable for 25% of the maximum number of shares granted on the first anniversary of the Vesting Start Date, and shall become exercisable for an additional 2.0833% of the maximum number of shares granted on the last day of each one month period thereafter; so that the Option shall be fully vested on the fourth anniversary of the Vesting Start Date. All vesting shall cease upon the date of termination of employment with or provision of services to the Company.

Awards Previously Granted. Unless required by law, no termination, amendment, or modification of the Plan shall in any material manner adversely affect any Award previously provided under the Plan, without the written consent of the Participant holding the Award.

Term. The term of each stock option granted to a Non-Employee Director shall be ten (10) years from the date the option is granted.

Option Term. The term of a Stock Option shall be determined by the Administrator at the time of grant and set forth in the applicable option agreement, provided, however, that no Stock Option shall be exercisable more than 10 years after the date that the Stock Option is granted (or more than five years after the date that the Stock Option is granted in the case of an Incentive Stock Option granted to an individual who is a Ten Percent Holder).

Exercise Period. Each Option granted under this Plan will be exercisable in whole or in part at such time or times as set forth in the related Option Certificate, but no Option Certificate may make an Option exercisable on or after the tenth anniversary of the date the Option is granted.

Period of Option. The period of each Option shall be 10 years from the date it is granted.

Terms of Awards Granted to Non-Employee Directors # Purchase Price of Stock Options. The per share exercise price of each option granted to a Non-Employee Director shall equal the Fair Market Value of a share of common stock on the date the option is granted.

at least six months has elapsed since the later of the date such Option was granted and the date the exercise price for such Option was last amended; and

Exercise Price. The exercise price per share of Stock purchasable under a Stock Option shall be determined by the Administrator at the time of grant and set forth in the applicable option agreement; provided, however, that the exercise price per share shall be not less than the Fair Market Value per share on the date the Stock Option is granted, or in the case of an Incentive Stock Option granted to an individual who is a Ten Percent Holder, not less than 110% of such Fair Market Value per share on the date the Stock Option is granted.