Manner of Exercise. Options may be exercised in such manner as approved by the Company from time to time, including by delivery to the Company of a written exercise notice or by an exercise election made by a Participant through an electronic procedure authorized by the Company (which method or procedure need not be the same for each Participant), stating the number of shares of Common Stock being purchased, the method of payment and such other matters as may be deemed appropriate by the Company in connection with the issuance of shares of Common Stock upon exercise of the Option, together with payment in full of the exercise price for the number of shares of Common Stock being purchased and satisfaction of the tax withholding provisions described in Section 16.

Exercise of Option. Options may be exercised by delivery to the Company of a written notice of exercise signed by the proper person or by any other form of notice (including electronic notice) approved by the Board together with payment in full as specified in Section 5(f) for the number of shares of Common Stock for which the Option is exercised. Shares of Common Stock subject to the Option will be delivered by the Company following exercise as soon as practicable.

Method of Exercising Options. The Options may be exercised from time to time by written or electronic notice (in the form prescribed by the Company) delivered to and received by the Company, which notice shall be signed by the Option Holder and shall state the election to exercise the Options and the number of whole shares of Common Stock with respect to which the Options are being exercised. Such notice must be accompanied by a check payable to the Company, or such other consideration allowed pursuant to the Plan, in payment of the full Option Price for the number of shares purchased. Options may also be exercised by the delivery of shares in payment of the Option Price or pursuant to a “cashless” exercise procedure, subject to securities law restrictions, or by any other means the Compensation Committee of the Company (the “Committee”), in its sole discretion, determines is consistent with the Plan’s purpose and applicable law. The delivery of previously acquired shares may be made by attestation. Payment of any withholding taxes due upon exercise of Options may be made by withholding shares.

Form of Exercise. Each election to exercise this Option may be in writing, signed by the Participant, and received by the Company at its principal office, accompanied by this Agreement, and payment in full in the manner provided in this Agreement. Alternatively, the Participant may complete the on-line exercise procedure established by the Company and/or the Company's designated broker. The Participant may purchase less than the number of shares of Common Stock covered hereby, provided that no partial exercise of this Option may be for any

Exercise of Options. Options may be exercised by delivery to the Company of a notice of exercise in a form (which may be electronic) approved by the Company, together with payment in full (in the manner specified in Section 5(e)) of the exercise price for the number of shares for which the Option is exercised. Shares of Common Stock subject to the Option will be delivered by the Company as soon as practicable following exercise.

Exercise of Options. Options may be exercised by delivery to the Company of a notice of exercise in a form (which may be electronic) approved by the Company, together with payment in full (in the manner specified in Section 5(f)) of the exercise price for the number of shares for which the Option is exercised. Shares of Common Stock subject to the Option will be delivered by the Company as soon as practicable following exercise.

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.

Method of Exercise. All Options granted hereunder shall be exercised by written (or electronic) notice on a form prescribed by the Committee and directed to the Secretary of the Company at its principal place of business or to such other Person as the Committee may direct. Each notice of exercise shall identify the Option that the Participant is exercising (in whole or in part) and shall be accompanied by payment of the Exercise Price for the number of shares specified in such notice and by any documents required by Section 8.1. The Company shall make delivery of such shares (electronically or in paper form) within a reasonable period of time; provided that, if any law or regulation requires the Company to take any action (including, but not limited to, the filing of a registration statement under the Securities Act and causing such registration statement to become effective) with respect to the shares specified in such notice before the issuance thereof, then the date of delivery of such shares shall be extended for the period necessary to take such action.

Manner of Exercise. A stock option may be exercised, in whole or in part, by giving written notice to the Company, specifying the number of shares of Common Stock to be purchased. The exercise notice shall be accompanied by the full purchase price for such shares. The option price shall be payable in United States dollars and may be paid # in cash; # by check; # by delivery of or attestation of ownership of shares of Common Stock, which shares shall be valued for this purpose at the Fair Market Value on the business day immediately preceding the date such option is exercised; # by delivery of irrevocable written instructions to a broker approved by the Company (with a copy to the Company) to immediately sell a portion of the shares, issuable under the option and to deliver promptly to the Company the amount of sale proceeds (or loan proceeds if the broker lends funds to the participant for delivery to the Company) to pay the exercise price; # if approved by the Committee, through a net exercise procedure whereby the optionee surrenders the option in exchange for that number of shares of Common Stock with an aggregate Fair Market Value equal to the difference between the aggregate exercise price of the options being surrendered and the aggregate Fair Market Value of the shares of Common Stock subject to the option; or # in such other manner as may be authorized from time to time by the Committee.

Manner of Exercise. Subject to such administrative regulations as the Committee may from time to time adopt, the Stock Option may be exercised by the delivery of written notice to the Committee setting forth the number of shares of Common Stock with respect to which the Stock Option is to be exercised, the date of exercise thereof (the “Exercise Date”) which shall be at least three (3) days after giving such notice unless an earlier time shall have been mutually agreed upon, and whether the Optioned Shares to be exercised will be considered as deemed granted under an Incentive Stock Option as provided in Section 11. On the Exercise Date, the Participant shall deliver to the Company consideration with a value equal to the total Option Price of the shares to be purchased, payable as follows: # cash, check, bank draft, or money order payable to the order of the Company; # if the Company, in its sole discretion, so consents in writing, Common Stock (including Restricted Stock) owned by the Participant on the Exercise Date, valued at its Fair Market Value on the Exercise Date, and which the Participant has not acquired from the Company within six (6) months prior to the Exercise Date; # if the Company, in its sole discretion, so consents in writing, by delivery (including by FAX) to the Company or its designated agent of an executed irrevocable option exercise form together with irrevocable instructions from the Participant to a broker or dealer, reasonably acceptable to the Company, to sell certain of the shares of Common Stock purchased upon exercise of the Stock Option or to pledge such shares as collateral for a loan and promptly deliver to the Company the amount of sale or loan proceeds necessary to pay such purchase price; and/or # in any other form of valid consideration that is acceptable to the Committee in its sole discretion.

Manner of Exercise. An Option may be exercised by the Grantee in whole or in part from time to time, subject to the conditions contained in this Agreement and the Plan. The Options may be exercised by delivery in person, by facsimile or electronic transmission, or through the mail of written notice of exercise to the Company at its principal executive office in Minneapolis, Minnesota (or to the Company’s designee, as may be established from time to time by the Company and communicated to the Grantee), and by paying in full the total exercise price for the shares of Common Stock underlying the Options.