Waivers. Maker and all endorsers and guarantors of, and sureties for, this Note waive presentment for payment, demand, notice of dishonor, protest, and notice of protest with regard to the Note, all errors, defects and imperfections in any proceedings instituted by Payee under the terms of this Note, and all benefits that might accrue to Maker by virtue of any present or future laws exempting any property, real or personal, or any part of the proceeds arising from any sale of any such property, from attachment, levy or sale under execution, or providing for any stay of execution, exemption from civil process, or extension of time for payment; and Maker agrees that any real estate that may be levied upon pursuant to a judgment obtained by virtue hereof, or any writ of execution issued hereon, may be sold upon any such writ in whole or in part in any order desired by Payee.

Waivers. The failure of a Party at any time to require performance of any provision hereof shall in no manner affect its right at a later time to enforce the same. No waiver by a Party of any condition or of any breach of any term, covenant, representation or waiver contained in this Agreement shall be effective unless in writing by Sellers, in the case of a waiver by any Seller, or Purchaser, in the case of any waiver by Purchaser, and no waiver in any one or more instances

Waivers. No waiver by any Party of any provision of this Services Agreement shall be effective unless explicitly set forth in writing and executed by the Party so waiving. The failure of any Party to require strict performance by any other Party of any provision in this Services Agreement (or the waiver of a breach of any provisions of this Services Agreement) will not waive or diminish that Party’s right to demand strict performance thereafter of that or any other provision hereof or otherwise operate or be construed as a waiver of any other or subsequent breach.

Waivers. Any waiver of any right granted pursuant to this Award shall not be valid unless it is in writing and signed by the party waiving the right. Any such waiver shall not be deemed to be a waiver of any other rights.

Waivers. To the extent permitted under applicable law, with respect to the amounts due pursuant to this Note or any other Loan Document, Borrower waives the following: # all rights of exemption of property from levy or sale under execution or other process for the collection of debts under the Constitution or laws of the United States or any State thereof; # demand, presentment, protest, notice of dishonor, notice of nonpayment, notice of protest, notice of intent to accelerate, notice of acceleration, suit against any party, diligence in collection of this Note and in the handling of securities at any time existing in connection herewith, and all other requirements necessary to enforce this Note except for notices required by Governmental Authorities and notices required by the Loan Agreement and/or any of the other Loan Documents; and # any further receipt by Lender or acknowledgment by Lender of any collateral now or hereafter deposited as security for the Loan.

General. Unless otherwise expressly provided herein, all notices and other communications provided for hereunder shall be in writing (including by facsimile transmission). All such written notices shall be mailed certified or registered mail, faxed or delivered to the applicable address, facsimile number or (subject to subsection # below) electronic mail address, and all notices and other communications expressly permitted hereunder to be given by telephone shall be made to the applicable telephone number, as follows:

General. Except as otherwise expressly provided herein or as required by law, the holders of Common Stock, Class A Stock, Class B Stock and Class C Stock will vote together and not as separate classes. Notwithstanding the foregoing, the Corporation may not, # without the affirmative vote of holders of at least two-thirds of the outstanding shares of Class B Stock, voting separately as a class, amend, alter or repeal the provisions of this Third Amended and Restated Certificate of Incorporation of the Corporation so as to materially and adversely affect any right, preference, privilege or voting power of the Class B Stock, or # without the affirmative vote of holders of at least two-thirds of the outstanding shares of Class C Stock, voting separately as a class, amend, alter or repeal the provisions of this Third Amended and Restated Certificate of Incorporation of the Corporation so as to materially and adversely affect any right, preference,

General. Each Guarantor waives any right to require any of ​ to # proceed against the Borrower or any other Person liable on the Obligations, # enforce any of their rights against any other guarantor of the Obligations, # proceed or enforce any of their rights against or exhaust any security given to secure the Obligations, # have the Borrower or any other Loan Party joined with any Guarantor in any suit arising out of this [Article VIII] and/or the Obligations, or # pursue any other remedy in ​’ powers whatsoever. It is agreed between ​ and ​ that the foregoing waivers are of the essence of the transaction contemplated by this Agreement and the other Loan Documents and that, but for this Guaranty and such waivers, ​ would not extend or continue to extend credit under this Agreement. ​ shall not be required to mitigate damages or take any action to reduce, collect or enforce the Obligations. Each Guarantor waives any defense arising by reason of any disability, lack of corporate authority or power, or other defense of the Borrower or any other guarantor of the Obligations, and shall remain liable hereon regardless of whether the Borrower, any other Loan Party or any other guarantor be found not liable thereon for any reason. Whether and when to exercise any of the remedies of ​ under any of the Loan Documents shall be in the sole and absolute discretion of the Administrative Agent, and no delay by the Administrative Agent in enforcing any remedy, including delay in conducting a foreclosure sale, shall be a defense to any Guarantor’s liability under this [Article VIII].

GENERAL. These Performance Share Units (“PSUs”) are granted under and subject to the following Award Terms and the Merck & Co., Inc. 2010 Stock Incentive Plan (the "Merck ISP").

General. Purchaser has the right of first refusal to purchase the Purchaser’s Pro Rata Share of any New Securities (as defined below) that the Company may from time to time issue after the date of this Agreement, provided, however, the Purchaser will have no right to purchase any such New Securities if Purchaser cannot demonstrate to the Company’s reasonable satisfaction that such Purchaser is at the time of the proposed issuance of such New Securities an “accredited investor” as such term is defined in Regulation D under the Securities Act. A Purchaser’s “Pro Rata Share” for means the ratio of # the number of shares of the Company’s Common Stock issued or issuable upon conversion of the shares of Preferred Stock owned by such Major Purchaser, to # the Fully-Diluted Share Number.

General. No amendment or modification of this Agreement shall be deemed effective unless made in writing signed by the parties hereto. Upon the termination of this Agreement for any reason, the provisions of this Agreement that by their terms survive such expiration or termination shall continue in effect and will bind each of the parties according to the terms thereof. No term or condition of this Agreement shall be deemed to have been waived, nor shall there be any estoppel to enforce any provision of this Agreement, except by a statement in writing signed by the party against whom enforcement of the waiver or estoppel is sought. Any written waiver shall not be deemed a continuing waiver unless specifically stated, shall operate only as to the specific term or condition waived and shall not constitute a waiver of such term or condition for the future or as to any act other than that specifically waived.

General. The Contributor agrees that, during the period beginning on and including the close of an initial public offering of the Common Stock (“Effective Date”) through and including the twelve-month anniversary of the Effective Date (the “Lock-Up Period”), the Contributor, or any affiliated party of the Contributor, will not, without the prior written consent of the Company, directly or indirectly:

General. Subject to the other provisions of this [Section 2], the PSUs shall vest as set forth on [Schedule 1] to this Agreement, based on the achievement of the performance goal for the performance period set forth on [Schedule 1], as certified by the Compensation Committee promptly following the performance period. Such date on which PSUs vest under this Agreement may be referred to herein as the "Vesting Date." Subject to [Section 4], as soon as administratively practicable after the Vesting Date shown on [Schedule 1], the Company will issue to the Participant, in certificated or uncertificated form, such number of Shares as is equal to the number of PSUs that vested on such Vesting Date. In no event shall the Shares be issued to the Participant later than 30 days after the Vesting Date.

General. The Participant shall vest in the RSUs as follows: one-third of the total number of RSUs subject to this grant (including DEUs credited with respect to such RSUs) shall vest on ​, one-third of the total number of RSUs subject to this grant (including DEUs credited with respect to such RSUs) shall vest on ​, and the remaining number of RSUs subject to this grant (including DEUs credited with respect to such RSUs) shall vest on ​. The Participant must be continuously employed by the Company or a Related Company (as defined in paragraph 13) from the date the RSUs are granted through each of the applicable vesting dates specified in this paragraph 5(a) as a condition to the vesting of the applicable installment of the RSUs, except as otherwise provided in paragraph 7 (“Early Cancellation/Accelerated Vesting of RSUs”) or as otherwise provided by the Committee.

General. Subject to the terms and conditions set forth herein, in addition to the Loans provided for in [Section 2.01], the Borrower may request the Issuing Bank to issue, at any time and from time to time during the Availability Period and under either the Dollar Commitments or Multicurrency Commitments, Letters of Credit denominated in Dollars or (in the case of Letters of Credit under the Multicurrency Commitments) in any Agreed Foreign Currency for its own account or the account of any of its Subsidiaries or portfolio companies (provided that the Borrower shall remain primarily liable to the Issuing Bank and the ​ hereunder for the payment and reimbursement of all amounts payable in respect of such Letter of Credit) in such form as is acceptable to the Issuing Bank in its reasonable determination and for the benefit of such named beneficiary or beneficiaries as are specified by the Borrower. Letters of Credit issued hereunder shall constitute utilization of the applicable Commitments up to the aggregate amount available to be drawn thereunder.