Each such grant or sale of restricted stock may be made without additional consideration or in consideration of a payment by the participant that is less than the faiff r market value per Common Share on the date of grant. 21 EQUITY PLAN Any grant of restricted stock may specify management objectives that, if achieved, will result in termination or early termination of the restrictions applicable to the restricted stock. No grant will be made under this Plan on or afteff r the tenth anniversary of the Effective Date, but all grants made prior to such date will continue in effecff t thereafteff r subject to the terms thereof and of this Plan. 21. c) Except with respect to Section 21(e) of this Plan, to the extent that any provision of this Plan would prevent any Option Right that was intended to qualify as an Incentive Stock Option from qualifying as such, that provision will be null and void with respect to such Option Right.

ELECTION OF BOARD OF DIRECTORS PROXY STATEMENT 2024 | Annual Meeting of Shareholders 21 Patricia Verduin, Ph.D.

ELECTION OF BOARD OF DIRECTORS PROXY STATEMENT 2024 | Annual Meeting of Shareholders 21 Patricia Verduin, Ph.D.