If the Participant uses the cashless sell-all method of exercise, then no registration is required because no funds are remitted from Colombia and no shares are held abroad.

repurchases of Equity Securities deemed to occur upon the “cashless exercise” of stock options or warrants or upon the vesting of restricted stock units if such Equity Securities represents the exercise price of such options or warrants or represents withholding taxes due upon such exercise or vesting shall be permitted;

For purposes of determining when shares are acquired by an Optionee, shares obtained by cashless exercise will be deemed to have been acquired when the Optionee was originally granted the option. Otherwise, the Optionee will be deemed to have acquired the shares upon exercise of the option.

​ the cancellation of such number of Option Shares as is necessary, in accordance with the formula set forth in [subsection 1(c)], to exercise this Option with respect to the number of Option Shares recited above pursuant to the cashless exercise procedure set forth in [subsection 1(c)].

For purposes of Rule 144 promulgated under the 1933 Act, it is intended, understood and acknowledged that the Option Shares issued in a cashless exercise transaction in the manner described above shall be deemed to have been acquired by the Option Holder, and the holding period for the Option Shares shall be deemed to have commenced, on the date of this Amendment. . "Date of Exercise" means the date on which the Company shall have received # this Option (or any new option, as applicable), # the Election Notice (or attached to such new option) appropriately completed and duly signed, and # payment of the Exercise Price for the number of Option Shares so indicated by the Option Holder to be purchased or for which cashless exercise has been elected.

Delivery of Certificates Upon Exercise. Certificates for shares purchased hereunder shall be transmitted by the Issuer to the Holder by physical delivery to the address specified by the Holder in the Notice of Exercise within 5 business days from the delivery to the Company of the Notice of Exercise Form, surrender of this Option (if required) and payment of the aggregate Exercise Price as set forth above. This Option shall be deemed to have been exercised on the date the Exercise Price or notice of cashless exercise is received by the Company. The Option Shares shall be deemed to have been issued, and Holder or any other person so designated to be named therein shall be deemed to have become a holder of record of such shares for all purposes, as of the date the Option has been exercised by payment to the Company of the Exercise Price (or by cashless exercise).

Exercise. Provided that no monetary or material non-monetary Event of Default has occurred and is continuing at the time of exercise of an Extension Option (defined below), and Tenant has not assigned this Lease (except to a Permitted Transferee or an Affiliate, as permitted by Article VII) either at the time of exercise or at the commencement of the applicable Extension Period, (defined below), Tenant shall have two (2) options (each, an “Extension Option”) to extend the Term of this Lease, each for an additional five (5) year period (each, an “Extension Period”) after the expiration of the initial Term, or the initial Extension Period, as applicable. Tenant may extend the Term for the entire Premises only. Each Extension Option shall be exercisable only by written notice given by Tenant to Landlord (the “Extension Election Notice”) not later than twenty-four (24) months, nor earlier than thirty-sixth (36th) months, prior to the expiration of the initial Term or the first Extension Period, as applicable. In the event that Tenant does not timely exercise an Extension Option, then such Extension Option (and the second Extension Option, if applicable) shall be null and void and of no further force or effect, time being of the essence in the exercise of each Extension Option and it being acknowledged and agreed by Tenant that Landlord shall be entitled to rely on any failure by Tenant to give written notice of its exercise of its Extension Option by the date set forth herein for such exercise thereof.

Exercise. Each Option shall become and be exercisable at such time or times and during such period or periods, in full or in such installments as may be determined by the Board at the Option Date. In addition, if permitted by the Board or the terms of the Option Grant Certificate evidencing such Stock Option, Participants may elect to pay the purchase price of shares of Stock purchased upon the exercise of Incentive Stock Options in cash or through delivery at the time of such exercise of shares of Stock (valued at Fair Market Value as of the date of exercise) already owned by the Participant, or any combination thereof, equivalent to the purchase price of such Incentive Stock Options. A Participant’s payment of the purchase price in connection with the exercise of an Incentive Stock Option through delivery of share of Stock (“ISO Stock”) that were acquired through the exercise of an Incentive Stock Option and that have not been held for more than one year will be considered a disposition (within the meaning of Code Section 422(c)) of ISO Stock, resulting in the disqualification of the ISO Stock from treatment as an Incentive Stock Option under Code Section 422, and the Participant’s recognition of ordinary income. Participants should consult with their tax advisors prior to electing to exercise an Incentive Stock Option by this method.

Exercise. A Stock Appreciation Right shall entitle the holder of a Stock Option to receive, upon the exercise of the Stock Appreciation Right, shares of Stock (valued at their Fair Market Value at the time of exercise), cash or a combination thereof, in the discretion of the Board, in an amount equal in value to the excess of the Fair Market Value of the shares of Stock subject to the Stock Appreciation Right as of the date of such exercise over the purchase price of the Stock Appreciation Right, as shall be prescribed by the Board in its sole discretion and as shall be contained in the Participant’s Award Agreement. If granted in tandem with an option, the exercise of a Stock Appreciation Right will result in the surrender of the related Incentive Stock Option or Non-Qualified Stock Option and, unless otherwise provided by the Board in its sole discretion, the exercise of a Stock Option will result in the surrender of a related Stock Appreciation Right, if any.

Exercise. Options may be exercised by giving written notice of the exercise to the Company, stating the Option being exercised and the number of shares the Participant has elected to purchase under the Option.