Individual Director Limits. Notwithstanding anything in this Plan to the contrary, no non-employee Director will be granted, in any period of one calendar year, awards under the Plan (excluding awards made at the election of the Director in lieu of all or a portion of annual and committee cash retainers) having an aggregate maximum value at the Date of Grant (calculating the value of any such awards based on the grant date fair value for financial reporting purposes), taken together with any cash fees payable to such non-employee Director during the fiscal year, in excess of $200,000. Notwithstanding the foregoing, in the event of extraordinary circumstances (as determined by the Board), the amount set forth in the preceding sentence shall be increased to $300,000, provided that such increase may apply only if any non-employee Director receiving additional compensation as a result of such extraordinary circumstances does not participate in the determination that extraordinary circumstances exist, in the decision to award such compensation or in other contemporaneous compensation decisions involving non-employee Directors.

Individual Limits. No Participant may be granted Options (whether Incentive Stock Options or Nonqualified Options) or Stock Appreciation Rights covering in excess of 75,000 Shares in the aggregate during any calendar year or other 12-month period, and no Participant may be granted Awards of Restricted Stock, RSUs or Other Stock-Based Awards that are not Stock Appreciation Rights covering in excess of 75,000 Shares in the aggregate during any calendar year or other 12-month period, regardless in each case of whether such Awards are thereafter canceled, forfeited or terminated. In addition, no Participant may be granted a cash-based Qualified Performance-Based Award under which more than $2,000,000 may be earned for any calendar year or other 12-month period.

Limits. Notwithstanding anything herein to the contrary, [[Altimmune:Organization]]’s obligation to make any payments or benefits to Harris (including without limitation acceleration of equity vesting) upon termination of his employment under the circumstances described in Section 6(b) (other than the Accrued Obligations) is conditioned upon Harris’s execution, delivery and non-revocation of a valid and enforceable release of claims in a form provided by [[Altimmune:Organization]] arising in connection with Harris’s employment and termination or resignation of employment with [[Altimmune:Organization]] and its affiliates (the “Release”) that becomes effective within the time period provided in the Release but not later than sixty (60) days after the date of such termination or resignation of employment (and to avoid doubt, the “date of such termination or resignation” shall be the actual last day of Harris’s employment with [[Altimmune:Organization]], as opposed to the day notice of termination or resignation is provided, if earlier). [[Altimmune:Organization]] shall provide the form of the Release to Harris within seven (7) days following the date of Harris’s termination or resignation of employment. Subject to the foregoing and Section 21 hereof, the Cash Severance Amount will commence to be paid to Harris on the sixtieth (60th) day following Harris’s termination or resignation of employment, and such first payment shall include payment of any amounts that would otherwise be due prior thereto. On any termination entitling Harris to the payments and benefits under Section 6(b), [[Altimmune:Organization]] and its affiliates shall have no further obligation to make payments under this Agreement other than as specifically provided for in such section.

Participants other than Non-Employee Directors. Subject to adjustment under Section 4(d), (A))] the maximum number of shares of Common Stock underlying Options and Stock Appreciation Rights that may be granted under the Plan during any calendar year to any one Participant (other than a Non-Employee Director) shall be 500,000 shares; # the maximum number of shares of Common Stock subject to Restricted Stock Awards, awards of Restricted Stock Units and Other Stock Based Awards that may be granted under the Plan during any calendar year to any one Participant (other than a Non-Employee Director) shall be 500,000 (where the number of shares earned is dependent on the level of attainment of Performance Goals under a Performance Award, the number of shares counted shall be the number that may be earned at maximum performance); # the maximum amount of a Cash Award that may be paid pursuant to Section 11 in any calendar year to any Participant (other than a Non-Employee Director) shall be $3,000,000.

Individual Director Limits. Notwithstanding anything in this Plan to the contrary, no non-employee Director will be granted, in any period of one calendar year, awards under the Plan (excluding awards made at the election of the Director in lieu of all or a portion of annual and committee cash retainers) having an aggregate maximum value at the Date of Grant (calculating the value of any such awards based on the grant date fair value for financial reporting purposes), taken together with any cash fees payable to such non-employee Director during the fiscal year, in excess of $200,000. Notwithstanding the foregoing, in the event of extraordinary circumstances (as determined by the Board), the amount set forth in the preceding sentence shall be increased to $300,000, provided that such increase may apply only if any non-employee Director receiving additional compensation as a result of such extraordinary circumstances does not participate in the determination that extraordinary circumstances exist, in the decision to award such compensation or in other contemporaneous compensation decisions involving non-employee Directors.

Individual Limits. The following additional limits will apply to Awards of the specified type granted to any person in any fiscal year:

Individual Director Limits. Notwithstanding anything in this Plan to the contrary, no non-employee Director will be granted, in any period of one calendar year, awards under the Plan (excluding awards made at the election of the Director in lieu of all or a portion of annual and committee cash retainers) having an aggregate maximum value at the Date of Grant (calculating the value of any such awards based on the grant date fair value for financial reporting purposes), taken together with any cash fees payable to such non-employee Director during the fiscal year, in excess of $200,000. Notwithstanding the foregoing, in the event of extraordinary circumstances (as determined by the Board), the amount set forth in the preceding sentence shall be increased to $300,000, provided that such increase may apply only if any non-employee Director receiving additional compensation as a result of such extraordinary circumstances does not participate in the determination that extraordinary circumstances exist, in the decision to award such compensation or in other contemporaneous compensation decisions involving non-employee Directors.

Individual Limits. The following limits will apply to Awards of the specified type granted to any U.S. Participant in any calendar year.

Individual Award Limits. Subject to Section 13 of the Plan, no more than 1,000,000 shares of Company Stock may be allocated to the Awards that are granted to any one Participant during any single calendar year, of which no more than 1,000,000 shares of Company Common Stock may be awarded to any one Participant in the form of Incentive Stock Options during any single calendar year.

Limits on Individual Grants. The maximum number of shares of Stock for which any Employee or Employee Director may be granted Awards in any calendar year is three hundred thousand (300,000) shares.