No shares of Common Stock may be purchased under this option, unless prior to the purchase thereof, the Corporation shall have received an opinion of counsel to the effect that the issuance and sale of such shares by the Corporation to the Participant will not constitute a violation of the U.S. Securities Act of 1933, as amended. As a condition of exercise, the Participant shall, if requested by the Corporation, submit a written statement in form satisfactory to counsel for the Corporation, to the effect that any shares of Common Stock purchased upon exercise of this option will be purchased for investment and not with a view to the distribution thereof within the meaning of the U.S. Securities Act of 1933, as amended, and the Corporation shall have the right, in its discretion, to cause the certificates representing shares of Common Stock purchased hereunder to be appropriately legended to refer to such undertaking or to any legal restrictions imposed upon the transferability thereof by reason of such undertaking.