Acceptance of Terms and Conditions. By acknowledging and accepting this Award, Participant agrees to be bound by the terms and conditions of this Agreement, the Plan (including without limitation, Section 12 of the Plan), and all conditions established by Southwestern in connection with Awards issued under the Plan, and Participant further acknowledges and agrees that this Award does not confer any legal or equitable right (other than those rights constituting the Award itself) against Southwestern or any Subsidiary (collectively, the “Company”) directly or indirectly, or give rise to any cause of action at law or in equity against the Company. To vest in the Restricted Stock Units (“RSUs”) described in this Agreement, Participant must accept this Award. If Participant fails to accept this Award prior to the first Vesting Date, the Award will be cancelled and forfeited.

Acceptance of Option Terms and Conditions. A Participant has until the end of the one hundred twenty (120) day period beginning from the Grant Date of this option to accept this Award Agreement. If the Participant does not accept this Award Agreement on or before the end of such one hundred twenty (120) day period, then the grant of the right and option to purchase the shares of Common Stock of the Corporation, as set forth in Section 1, shall not be binding on and shall be voidable by the Corporation, in which case it shall have no further force or effect.

Acceptance of Award Terms and Conditions. A Participant has until the end of the ninety (90) day period beginning from the Grant Date of this Award to accept this Award Agreement. If the Participant does not accept this Award Agreement on or before the end of such ninety (90) day period then the grant of the Award, as set forth in Section 1, shall not be binding on and shall be voidable by the Corporation, in which case it shall have no further force or effect. Further, as set forth in the fourth paragraph of Section 2(a), the Award will be forfeited if the Participant does not accept any restrictive covenant agreement presented to the Participant by the end of the period noted in Section 2(a).

Terms and Conditions of Grants. Stock Options granted under this Plan are subject to the following terms and conditions and may contain such additional terms, conditions, restrictions and contingencies with respect to exercisability and/or with respect to the Shares acquired upon exercise as may be provided in the relevant agreement evidencing the Stock Options, so long as such terms and conditions are not inconsistent with the terms of this Plan, as the Committee deems desirable:

Options granted under the Plan shall be, as determined by the Committee, nonqualified or incentive stock options for federal income tax purposes, as evidenced by the related Award agreements, and shall be subject to the foregoing and the following terms and conditions and to such other terms and conditions, not inconsistent therewith, as the Committee shall determine, and as evidenced by the related Award agreement:

The Option Price of each Option shall be fixed by the Committee and stated in the Award Agreement evidencing such Option. Except in the case of Substitute Awards, the Option Price of each Option shall be at least the Fair Market Value of one (1) share of Stock on the Grant Date; provided that in the event that a Grantee is a Ten Percent Shareholder, the Option Price of an Option granted to such Grantee that is intended to be an Incentive Stock Option shall be not less than one hundred ten percent (110%) of the Fair Market Value of one (1) share of Stock on the Grant Date. In no case shall the Option Price of any Option be less than the par value of a share of Stock.

Terms and Conditions of Distribution. The Company is not required to issue or deliver any certificates for the vested Shares before completing the steps necessary to comply with applicable federal and state securities laws (including any registration requirements and regulations governing short swing trading of securities) and applicable stock exchange rules and practices. The Company will use commercially reasonable efforts to cause compliance with those laws, rules and practices.

Subject to the terms of the Plan and Applicable Laws, the Administrator shall determine the provisions, terms, and conditions of each Award including, but not limited to, the Award vesting schedule, repurchase provisions, rights of first refusal, forfeiture provisions, form of payment (cash, Shares, or other consideration) upon settlement of the Award, payment contingencies, and satisfaction of any performance criteria.

Terms and Conditions of Awards. All shares of Restricted Stock awarded to Participants under the Plan shall be subject to the following terms and conditions and to such other terms and conditions, not inconsistent with the Plan, as shall be prescribed by the Board in its sole discretion and as shall be contained in the Participant’s Option Grant Certificate.

Terms and Conditions of Awards. For each Participant, the Board will determine the timing of awards; the number of units awarded; the value of units, which may be stated either in cash or in shares of Stock; the performance measures used for determining whether the Performance Units are earned; the performance period during which the performance measures will apply; the relationship between the level of achievement of the performance measures and the degree to which Performance Units are earned; whether, during or after the performance period, any revision to the performance measures or performance period should be made to reflect significant events or changes that occur during the performance period; and the number of earned Performance Units that will be paid in cash and/or shares of Stock, as shall be prescribed by the Board in its sole discretion and as shall be contained in the Participant’s Option Grant Certificate.

Options granted under the Plan shall be subject to the following conditions and shall contain such additional terms and conditions, not inconsistent with the terms of the Plan, as the Committee shall deem desirable:

Grants shall be evidenced by Unit Restriction Agreements specifying the number of Units covered thereby. No Grant shall be a valid and binding obligation of the Company unless evidenced by a fully-executed Unit Restriction Agreement. Unit Restriction Agreements may incorporate all or any of the terms of the Plan by reference and Units issued under the Plan may be subject to forfeiture as determined by the Board in its discretion at the time the Grant is made.

The foregoing Agreement is hereby accepted and the terms and conditions thereof hereby agreed to by the undersigned. Electronic acceptance of this Agreement pursuant to the Company’s instructions to the Optionee (including through an online acceptance process) is acceptable.