Form of Consideration. The Administrator will determine the acceptable form of consideration for exercising an Option, including the method of payment. In the case of an Incentive Stock Option, the Administrator will determine the acceptable form of consideration at the time of grant. Such consideration may consist entirely of: # cash (including cash equivalents); # check; # promissory note, to the extent permitted by Applicable Laws, # other Shares, provided that such Shares have a Fair Market Value on the date of surrender equal to the aggregate exercise price of the Shares as to which such Option will be exercised and provided further that accepting such Shares will not result in any adverse accounting consequences to the Company, as the Administrator determines in its sole discretion; # consideration received by the Company under a cashless exercise program (whether through a broker or otherwise) implemented by the Company in connection with the Plan; # by net exercise; # such other consideration and method of payment for the issuance of Shares to the extent permitted by Applicable Laws, or # any combination of the foregoing methods of payment. In making its determination as to the type of consideration to accept, the Administrator will consider if acceptance of such consideration may be reasonably expected to benefit the Company.

Consideration for Shares. To ensure compliance with applicable state corporate law, the Company may require you to furnish consideration in the form of cash or cash equivalents equal to the par value of the Shares issued to you hereunder, and you hereby authorize the Company to withhold such amount from remuneration otherwise due you from the Company.

Consideration Period & Signature. You acknowledge that the Company advises you to consult with an attorney prior to executing this Agreement and re-executing this Agreement as required by Sections 11, 33 and 34 hereof. You further acknowledge that you have been given at least 21 days to consider the terms of this Agreement, that you have been able to use this period, or as much of this period as you desire, and that you have executed and re-executed, as applicable, this Agreement voluntarily with the express intention of making a binding legal Agreement, including giving up all claims against ​. You forever waive any relief not explicitly set forth in this document. The 21-day review period will not be affected or extended by any revisions, whether material or immaterial, that might be made to this Agreement.

Payments and Consideration. In consideration for Executive's execution of this Agreement, and subject to the fulfillment of all of its terms and conditions by Executive, and provided Executive has not exercised his right of revocation as described in Article 14, Company shall pay Executive the amounts described in section 2.3 of the Executive Severance and CIC Agreement, less all applicable taxes and other lawful withholdings, as follows:

-Day Consideration Period Pennypacker may consider whether to sign and accept this Agreement for a period of twenty-one (21) days from the day he received it, which will be no later than the Separation Date If this Agreement is not signed, dated and returned to Doerr within twenty-two (22) days, the offer of severance payments and benefits described in paragraph 3 will no longer be available Pennypacker acknowledges that should he sign and return this Agreement within the 21-day period identified in this subparagraph, he is knowingly waiving whatever additional time he may have up to the conclusion of the 21-day period for consideration of this Agreement

Sufficiency of Consideration. Seller acknowledges and agrees that the Purchase Price paid pursuant hereto in respect of the Acquired Assets and the covenants of Buyer has provided good and sufficient consideration for every promise, duty, release, obligation, agreement and right contained herein, including this Section 5.14.

No Alternate Consideration. No consideration (including any modification of any Transaction Document) shall be offered or paid to the Lender or to any other Noteholder electing to exchange Indebtedness for Shares unless the same consideration is also offered to all Noteholders.

Consideration for License. In consideration for the license granted to Licensee hereunder, Licensee shall pay to Merck a non-refundable, non-creditable payment of ​, which shall be due within ​ days of the Effective Date.

Form of Consideration. The Administrator shall determine the acceptable form of consideration for exercising an Option, including the method of payment. In the case of

Consideration and Acknowledgment. The Employee acknowledges and agrees to each of the following: # the Employee’s acceptance of the Award and participation in the Plan is voluntary; # the benefits and rights provided by the Agreement and Plan are wholly discretionary and, although provided by the Corporation, do not constitute regular or periodic payments; # the benefits and compensation provided under the Agreement are in addition to the benefits and compensation that otherwise are or would be available to the Employee in connection with the Employee’s employment with the Corporation and the grant of the Award is expressly contingent upon the Employee’s agreement with the Corporation contained in Sections 5 and 6; # the scope and duration of the restrictions in Section 5 are fair and reasonable; # if any provisions of Sections 5(a), (b), (c), (d) or (e), or any part thereof, are held to be unenforceable, the court making such determination shall have the power to revise or modify such provision to make it enforceable to the maximum extent permitted by applicable law and, in its revised or modified form, such provision shall then be enforceable, and if the provision is not capable of being modified or revised so that it is enforceable, it shall be excised from these Terms and Conditions without affecting the enforceability of the remaining provisions; and # the time period of the Employee’s obligations under Sections 5(a), (b) and (c) shall be extended by a period equal to the length of any breach of those obligations by the Employee, in addition to any and all other remedies provided by these Terms and Conditions or otherwise available to the Corporation at law or in equity. The Employee further understands and acknowledges that nothing contained in the Agreement limits the Employee’s ability # to report possible violations of law or regulation to, or file a charge or complaint with, the Securities and Exchange Commission, the Equal Employment Opportunity Commission, the National Labor Relations Board, the Occupational Safety and Health Administration, the Department of Justice, the Congress, any Inspector General, or any other federal, state or local governmental agency or commission (“Government Agencies”); # to communicate with any Government Agencies or otherwise participate in any investigation or proceeding that may be conducted by any Government Agency, including providing documents or other information, without notice to the Corporation; or # under applicable United States Federal law to # disclose in confidence trade secrets to Federal, state, and local government officials, or to an attorney, for the sole purpose of reporting or investigating a suspected violation of law or # disclose trade secrets in a document filed in a lawsuit or other proceeding, but only if the filing is made under seal and protected from public disclosure.