Shares Subject to This Plan. Stock with respect to which Options are granted or issued under this Plan shall be authorized but unissued or reacquired Shares of the Company’s Common Stock. The aggregate number of Shares which may be issued under this Plan shall not exceed three million five hundred thousand (3,500,000) Shares, subject to adjustment under Section 9.

Terms of this Agreement; Publicity. The Parties agree that the terms of this Agreement shall be treated as Confidential Information of both Parties, and thus may be disclosed only as permitted by Section 6.1(c), with the exception, however, that, in order to comply with the stipulations in the [Sections 5.2 through 5.4] of this Agreement, Northern shall be allowed to disclose the terms of this Agreement to bone fide potential licensee of the Northern Patent Rights covering Other Compounds. Each Party agrees not to issue any press release or other public statement disclosing information relating to this Agreement or the transactions contemplated hereby or the terms hereof without the prior written consent of the other Party or as permitted by Section 6.1(c).

This Agreement. This Agreement has been duly authorized, executed and delivered by the Company.

Agreement Subject to the Plan. This Agreement is subject to the provisions of the Plan and shall be interpreted in accordance therewith. In the event that the

Grant. The Company hereby grants to the Grantee a Restricted Stock Grant (the "Grant") of ​ shares of Common Stock. The Grant will be subject to the terms and conditions of the Plan and this Agreement. The Grant constitutes the right, subject to the terms and conditions of the Plan and this Agreement, to distribution of the shares of Restricted Stock.

Plan Terms. All terms used in this Grant have the same meaning as given such terms in the Plan, a copy of which will be furnished upon request.

Grant of Restricted Stock Units. ​ hereby grants to the Participant the number Restricted Stock Units specified in the grant summary for no cash consideration. The Restricted Stock Units shall be subject to the terms and conditions in this Agreement and the Plan. The Participant acknowledges receipt of a copy of the Plan and the Plan Prospectus. Capitalized terms not defined in this Agreement shall have the meaning ascribed to such terms in the Plan. The grant date shall be as specified on the Participant’s individual grant summary (“Grant Date”) and subject to the following terms and conditions:

Grant of RSUs. Participant has been granted RSUs subject to the terms, restrictions and conditions of the Notice, this Agreement and the Plan.

Grant of Option. The Administrator of the Company hereby grants to the Participant named in the Notice of Stock Option Grant in Part I of this Agreement, an Option to purchase the number of Shares set forth in the Notice of Stock Option Grant, at the exercise price per Share set forth in the Notice of Stock Option Grant (the “Exercise Price”), and subject to the terms and conditions of the Plan, which is incorporated herein by reference. Subject to [Section 18(c)] of the Plan, in the event of a conflict between the terms and conditions of the Plan and this Option Agreement, the terms and conditions of the Plan shall prevail.

(b) “Award Agreement” means a written agreement between the Company and a holder of an award evidencing the terms and conditions of an individual award grant. Each Award Agreement shall be subject to the terms and conditions of the Plan and this Sub-Plan.