4.2 Partial Exercise. Any exercisable portion of the Option or the entire Option, if then wholly exercisable, may be exercised in whole or in part at any time prior to the time when the Option or portion thereof becomes unexercisable under Section 3.3.
4.3 Manner of Exercise. The Option, or any exercisable portion thereof, may be exercised solely by delivery to the Secretary of the Company or the Secretary’s office of all of the following prior to the time when the Option or such portion thereof becomes unexercisable under Section 3.3:
(a) An Exercise Notice in writing signed by Participant or any other person then entitled to exercise the Option or portion thereof, stating that the Option or portion thereof is thereby exercised, such notice complying with all applicable rules established by the Administrator. Such notice shall be substantially in the form attached as Exhibit B to the Grant Notice (or such other form as is prescribed by the Administrator); and
(b) Subject to Section 5.1(c) of the Plan:
(i) Full payment (in cash or by check) for the shares with respect to which the Option or portion thereof is exercised; or
(ii) With the consent of the Administrator, by delivery of a full recourse promissory note on such terms and conditions as may be approved by the Administrator; or
(iii) With the consent of the Administrator, by delivery of shares of Stock then issuable upon exercise of the Option having a Fair Market Value on the date of delivery equal to the aggregate exercise price of the Option or exercised portion thereof; or
(iv) On and after the Public Trading Date, such payment may be made, in whole or in part, through the delivery of shares of Stock which have been owned by Participant for at least six months (or such other period of time as may be determined by the Administrator, in its sole discretion), duly endorsed for transfer to the Company with a Fair Market Value on the date of delivery equal to the aggregate exercise price of the Option or exercised portion thereof; or
(v) On and after the Public Trading Date, through the delivery of a notice that Participant has placed a market sell order with a broker with respect to shares of Stock then issuable upon exercise of the Option, and that the broker has been directed to pay a sufficient portion of the net proceeds of the sale to the Company in satisfaction of the Option exercise price; provided, that payment of such proceeds is made to the Company upon settlement of such sale; or
(vi) Subject to any applicable laws, any combination of the consideration provided in the foregoing paragraphs (i), (ii) and (iii); and
(c) A bona fide written representation and agreement, in such form as is prescribed by the Administrator, signed by Participant or the other person then entitled to exercise such Option or portion thereof, stating that the shares of Stock are being acquired for Participant’s own account, for investment and without any present intention of distributing or reselling said shares or any of them except as may be permitted under the Securities Act and then applicable rules and regulations thereunder, and that Participant or other person then entitled to exercise such Option or portion thereof will indemnify the Company against and hold it free and harmless from any loss, damage, expense or liability resulting to the
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