One Obligation. The Revolving Loans, Letter of Credit Obligations and other Obligations shall constitute one general obligation of Borrowers and (unless otherwise expressly provided in any Loan Document) shall be secured by Agent’s Lien upon all Collateral; provided, however, that Agent and each Lender shall be deemed to be a creditor of, and the holder of a separate claim against, each Borrower to the extent of any Obligations jointly or severally owed by such Borrower.

Entire Obligation. Except as provided in ​ of this Agreement, following the Executive’s termination of employment under this ​, the Executive will have no further obligation to the Company pursuant to this Agreement (other than under ​ and Paragraph 18 (to the extent such policies, guidelines and codes by their terms apply post-employment)). Except for the Termination Payment and as otherwise provided in accordance with the terms of the Company’s benefit programs and plans then in effect or as expressly required under applicable law, after termination by the

Continuing Obligation. Each of the agreements of the Borrower and the Co-Borrower in this Section is a continuing agreement and undertaking, and shall apply to all Obligations whenever arising.

Secured Obligation. The obligations of the Maker under this Note are secured by those certain assets of the Maker designated as “Collateral” as defined and under that certain Security Agreement dated as of ​ (as amended and restated pursuant to that certain Amended and Security Agreement dated as of ​, and as further amended, restated, amended and restated, supplemented or otherwise modified from time to time, the “Security Agreement”) by and among the Maker and the Secured Parties (as defined therein and including the Payee).

Absolute Obligation. Except as expressly provided herein, no provision of this Note shall alter or impair the obligation of ​, which is absolute and unconditional, to pay the principal, liquidated damages, and accrued interest, as applicable, on this Note at the time, place, and rate, and in the coin or currency, herein prescribed. This Note is a direct debt obligation of ​. This Note ranks pari passu with all other Notes now or hereafter issued under the terms set forth herein.

The obligations of each Guarantor hereunder are independent of the obligations of any other Guarantor or the Borrowers, and a separate action or actions may be brought and prosecuted against each Guarantor whether or not action is brought against any other Guarantor or theany Borrower and whether or not any other Guarantors or the Borrowers are joined in any such action or actions.

The amounts credited to each Eligible Director’s Account shall not be held by the Company in a trust, escrow or similar fiduciary capacity, and neither the Eligible Director, nor any legal representative, shall have any right against the Company with respect to any portion of the Account except as a general unsecured creditor of the Company.

Nondisclosure Obligation. Each of Merck and Licensee shall use any Proprietary Information received by it from the other Party only in accordance with this Agreement and shall not disclose to any Third Party any such Proprietary Information without the prior written consent of the other Party. The foregoing obligations shall survive the expiration or termination of this Agreement for a period of ​ years. These obligations shall not apply to Proprietary Information that:

Unfunded Obligation. The obligation of the Corporation under this Agreement shall be unfunded. The Corporation shall not be required to segregate any assets that may at any time be represented by benefits under this Agreement. The Corporation shall not be deemed to be a trustee of any amounts to be paid under this Agreement. Any liability of the Corporation to the Executive with respect to any benefit shall be based solely upon any contractual obligations created hereunder; no such obligation shall be deemed to be secured by any pledge or any encumbrance on any property of the Corporation.

Reimbursement Obligation. Each Borrower agrees unconditionally, irrevocably and absolutely to pay immediately to the applicable Issuing Bank or, if applicable, the Administrative Agent, for the account of the Revolving Loan Lenders, the amount of each advance drawn under or pursuant to a Letter of Credit issued on behalf of such Borrower or an L/C Draft related thereto (such obligation of such Borrower to reimburse such Issuing Bank or the Administrative Agent for an advance made under a Letter of Credit or L/C Draft being hereinafter referred to as a “Reimbursement Obligation” with respect to such Letter of Credit or L/C Draft), each such reimbursement to be made by such Borrower no later than the Business Day on which the applicable Issuing Bank makes payment of each such L/C Draft or, if such Borrower shall have received notice of a Reimbursement Obligation later than ​ (New York time) on any Business Day or on a day which is not a Business Day, no later than ​ (New York time) on the immediately following Business Day or, in the case of any other draw on a Letter of Credit, the date specified in the demand of the applicable Issuing Bank. If any Borrower at any time fails to repay a Reimbursement Obligation pursuant to this [Section 3.7], such Borrower shall be deemed to have elected to borrow Revolving Loans from the Revolving Loan Lenders, as of the date of the advance giving rise to the Reimbursement Obligation, in an aggregate amount equal to (and in the same Agreed Currency as) the unpaid Reimbursement Obligation. Such Revolving Loans shall be made as of the date of the payment giving rise to such Reimbursement Obligation subject to satisfaction of the conditions to borrowing set forth herein. Revolving Loans made pursuant to this [Section 3.7], if made in Dollars, shall initially be Floating Rate Advances and thereafter may be continued as Floating Rate Advances or converted into Eurocurrency Rate Advances in the manner provided in [Section 2.9] and subject to the other conditions and limitations therein set forth and set forth in [Article II] and in the definition of Interest Period. Revolving Loans made pursuant to this [Section 3.7], if made in an Agreed Currency other than Dollars, shall initially be Eurocurrency Rate Advances having an Interest Period selected by the Administrative Agent and thereafter shall be subject to [Section 2.9] and the other conditions and limitations therein set forth and set forth in [Article II] and in the definition of Interest Period. If, for any reason, the Borrowers fail to repay a Reimbursement Obligation on the day such Reimbursement Obligation arises and, for any reason, the Revolving Loan Lenders are unable to make or have no obligation to make Revolving Loans, then the Administrative Agent shall notify each Revolving Loan Lender of the applicable Reimbursement Obligations, the payment then due from the Borrowers in respect thereof and such Revolving Loan Lender’s Pro Rata Share thereof. Promptly following receipt of such notice, each Revolving Loan Lender shall pay to the Administrative Agent its Pro Rata Share of the payment then due from the Borrower, in the same manner as provided in [Section 2.11] with respect to Loans made by such Lender (and [Section 2.11] shall apply, mutatis mutandis, to the payment obligations of the Revolving Loan Lenders), and the Administrative Agent shall promptly pay to the applicable Issuing Bank the amounts so received by it from the Revolving Loan Lenders. Promptly following receipt by the Administrative Agent of any payment from the Borrowers pursuant to this paragraph, the Administrative Agent shall distribute such payment to the Issuing Bank or, to the extent that Revolving Loan Lenders have made payments pursuant to this paragraph to reimburse the Issuing Bank, then to such Lenders and the Issuing Bank as their interests may appear. Any payment made by a Revolving Loan Lender pursuant to this paragraph to reimburse the Issuing Bank for any Reimbursement Obligations (other than the funding of Revolving Loans as contemplated above) shall not constitute a Revolving Loan and shall not relieve the Borrowers of their obligation to reimburse such Reimbursement Obligations. Reimbursement Obligations that have not been paid by the Borrowers when due shall bear interest from and after such day, until paid in full, at the interest rate applicable to a Floating Rate Advance consisting of Revolving Loans plus two percent (2.0%) per annum.