Manner of Exercise. The Option, or any exercisable portion thereof, may be exercised solely by delivery to the Secretary of the Company (or any third party administrator or other person or entity designated by the Company; for the avoidance of doubt, delivery shall include electronic delivery), during regular business hours, of all of the following prior to the time when the Option or such portion thereof becomes unexercisable under [Section 3.3] hereof:

The Optionee may exercise this Stock Option only in the following manner: from time to time on or prior to the Expiration Date of this Stock Option, the Optionee may give written notice to the Administrator of his or her election to purchase some or all of the Option Shares purchasable at the time of such notice. This notice shall specify the number of Option Shares to be purchased.

Manner of Exercise. All or a portion of an exercisable Stock Appreciation Right shall be deemed exercised upon delivery of all of the following to the stock administrator of the Company, or such other person or entity designated by the Administrator, or his, her or its office, as applicable:

Manner of Exercise. The Option, or any exercisable portion thereof, may be exercised solely by delivery to the office of the Secretary of the Company all of the following prior to the time when the Option or such portion becomes unexercisable under [Section 2.2] hereof:

Manner of Exercise. The Option may be exercised in respect of a whole number of Option Shares (and only in respect of a whole number) by written notice of exercise to the Committee (or its designee) at the Company’s principal executive offices (which are currently located at 28161 North Keith Drive, Lake Forest, Illinois 60045), which is received prior to the Option’s Expiration Date, together with # full payment of the Exercise Price of the Option Shares in respect of which the Option is exercised and # full payment of an amount equal to the Company’s federal, state and local withholding tax obligation, if any, in connection with the Option’s exercise.

Manner of Exercise. This Option may be exercised by the Grantee (or other person entitled to exercise this Option under Section 5 of this Agreement) by providing notice to the stock plan administrator of the Grantee’s or such other person’s intent to exercise this Option, and providing to the stock plan administrator all required information necessary to complete the exercise transaction. Such notice shall not be effective unless accompanied by the full purchase price for all shares so purchased within the timeframe required by the plan administrator. The purchase price shall be payable in cash, personal check (subject to collection), bank draft or such other method as the Committee may determine from time to time. In the Committee’s discretion, the purchase price may also be paid by # the tender of, by either actual delivery or attestation, Common Stock acceptable to the Committee and valued at its Fair Market Value on the date of exercise or through a combination of Common Stock and cash, or # any other method permitted by [Section 5.5(a)] of the Plan. The purchase price shall be calculated as the number of shares to be purchased times the option exercise price per share as shown in Section 1 of this Agreement. The Company shall have the right to require the Grantee to remit to the Company an amount necessary to satisfy any federal, state and local withholding tax requirements prior to the delivery of any certificate for such shares, which may be paid by any method allowed by the Committee in its sole discretion as set forth in [Section 13.3] of the Plan.

The Optionee may exercise this Stock Option only in the following manner: from time to time on or prior to the Expiration Date of this Stock Option, the Optionee may give written notice to the Administrator of his or her election to purchase some or all of the Option Shares purchasable at the time of such notice. This notice shall specify the number of Option Shares to be purchased.

Manner of Exercise. All or a portion of an exercisable Option shall be deemed exercised upon delivery of all of the following to the Secretary of the Company, or such other person or entity designated by the Administrator, or his, her or its office, as applicable:

The Optionee may exercise this Stock Option only in the following manner: from time to time on or prior to the Expiration Date of this Stock Option, the Optionee may give written notice to the Administrator of his or her election to purchase some or all of the Option Shares purchasable at the time of such notice. This notice shall specify the number of Option Shares to be purchased.

Subject to the terms of the Plan, the Option may be exercised by # delivering to the Company, prior to the expiry of the Option, an option exercise form duly executed by the Optionee or its Legal Representative (the “Option Exercise Form”) substantially in the form of Schedule “A” completed and executed in a manner acceptable to the Company, acting reasonably, or # in a manner and pursuant to such procedures as the Board of Directors may determine, which will state the election to exercise the Option (with appropriate proof of completion of such exercise procedure) (the “Alternative Exercise Procedure”). The Option Exercise Form or the completion of the Alternative Exercise Procedure (as applicable) must be accompanied by payment in full for the number of Common Shares in respect of which the Option is being exercised in lawful currency of the United States of America, in cash, bank draft, certified cheque or other form of payment acceptable to the Company, made payable to the Company at its principal place of business at the time of the exercise of the Option.