The price at which a share of Common Stock may be purchased upon exercise of an Option shall be determined by the Committee but, subject to the special limitations on Incentive Stock Options set forth in Paragraph VII(c) and to adjustment as provided in Paragraph X, such purchase price shall not be less than the Fair Market Value of a share of Common Stock on the date such Option is granted. The Option or portion thereof may be exercised by delivery of an irrevocable notice of exercise to the Company, as specified by the Committee. The purchase price of the Option or portion thereof shall be paid in full in the manner prescribed by the Committee. Separate stock certificates shall be issued by the Company for those shares acquired pursuant to the exercise of an Incentive Stock Option and for those shares acquired pursuant to the exercise of any Option that does not constitute an Incentive Stock Option.