Document:

Exhibit

Exhibit 10.1

SECOND AMENDMENT
TO THE
MOOG INC.
MANAGEMENT SHORT TERM INCENTIVE PLAN
(Effective as of September 29, 2017)

WHEREAS, Moog Inc. (the “Company”) maintains the Moog Inc. Management Short Term Incentive Plan (the “Plan”); and
WHEREAS, the Company reserved the right to amend the Plan at any time; and
WHEREAS, the Company wishes to amend the Plan in certain respects.

NOW, THEREFORE, the Plan is amended, effective as of November 3, 2020, and applicable to any payments made under the Plan after this Amendment’s effective date, as follows:

1.The Plan is amended to add the following provisions at the end of the section entitled “General”:  

Notwithstanding the formula described below for determining the amount of Bonus payable, the determination to make a payment under the Plan and, if made, its allocation, are discretionary. The Committee with respect to executive officers and the Chief Executive Officer with respect to all other eligible employees may make to the extent it or he deemed appropriate in view of events occurring during the Plan Year an increase or a decrease to any Bonus amount otherwise payable based on the formula described below; provided, however, that any increase shall not result in a Bonus payable exceeding the established annual cap. 

2. In all other respects, the Plan remains unchanged.

3. Any capitalized terms not otherwise defined in this Second Amendment have
the meaning set forth in the Plan.

IN WITNESS HEREOF, the Company, through is duly authorized officer and at the direction of the Committee, adopts this Second Amendment as of the effective date set forth above.

MOOG INC.
By: /s/ Paul Wilkinson
Title: Chief Human Resources OfficerEX-4.4

 Exhibit 4.4 
  

 
 pixelworks INCORPORATED UNDER THE LAWS OF THE STATE OF CHIEF FINANCIAL OFFICER OREGON THIS CERTIFICATE IS
TRANSFERABLE IN JERSEY CITY, NJ, NEW YORK, NY AND PITTSBURGH. PA THIS CERTIFIES THAT CUSIP 72581I SEE REVERSE FOR CERTA FULLY PAID AND NONASSESSABLE SHARES OF COMMON STOCK, $0,001 PAR VALUE PER SHARE, OF Pixelworks, Inc. transferable only on the
books of the Corporation by the holder hereof in person or by duly authorized Attorney upon surrender of this certificate properly endorsed. This certificate is not valid until countersigned by the Transfer Agent and Registrar. WITNESS the facsimile
signatures of its duly authorized officers. Dated: PRESIDENT AND CHIEF EXECUTIVE OFFICERExhibit 10.1

 

Entasis
Therapeutics Holdings Inc.

 

Restricted
Stock Unit Grant Notice (Time-Based)

(2018
Equity Incentive Plan)

 

Entasis Therapeutics Holdings Inc. (the “Company”),
pursuant to its 2018 Equity Incentive Plan (the “Plan”), hereby grants to Participant a Restricted Stock Unit
Award to be issued the number of shares of the Company’s Common Stock (“Restricted Stock Units”) set forth
below (the “Award”). The Award is subject to all of the terms and conditions as set forth in this grant notice
(the “Restricted Stock Unit Grant Notice”) and in the Plan and the Restricted Stock Unit Award Agreement (the
 “Award Agreement”), both of which are attached hereto and incorporated herein in their entirety. Capitalized
terms not otherwise defined herein shall have the meanings set forth in the Plan or the Award Agreement. In the event of any conflict
between the terms in the Award and the Plan, the terms of the Plan shall control.

 

Participant:                    ____________________________________________

 

Date of Grant:               ____________________________________________

 

Vesting Commencement Date:             ________________________________

 

Number of Restricted Stock Units:       ________________________________

 

Vesting
Schedule: 50% of the Restricted Stock Units will vest on the first anniversary of the Vesting Commencement
Date with the remaining 50% of the Restricted Stock Units vesting on the second anniversary of the Vesting Commencement
Date.

 

Issuance
Schedule: Subject to any Capitalization Adjustment, one share of Common Stock (or its cash equivalent, at
the discretion of the Company) will be issued for each Restricted Stock Unit that vests at the time set forth in Section 6 of
the Award Agreement.

 

Additional Terms/Acknowledgements:
Participant acknowledges receipt of, and understands and agrees to, this Restricted Stock Unit Grant Notice, the Award Agreement
and the Plan. Participant further acknowledges that as of the Date of Grant, this Restrict Stock Unit Grant Notice, the Award Agreement
and the Plan set forth the entire understanding between Participant and the Company regarding the acquisition of the Common Stock
pursuant to the Award specified above and supersede all prior oral and written agreements on the terms of this Award, with the
exception, if applicable, of (i) the written employment agreement, offer letter or other written agreement entered into between
the Company and Participant specifying the terms that should govern this specific Award, (ii) restricted stock unit awards or options
previously granted an delivered to Participant, and (iii) any compensation recovery policy that is adopted by the Company or is
otherwise required by applicable law.

 

By accepting this Award, Participant acknowledges having
received and read the Restricted Stock Unit Grant Notice, the Award Agreement and the Plan and agrees to all of the terms and
conditions set forth in these documents. Participant consents to receive such documents by electronic delivery and to
participate in the Plan through an on-line or electronic system established and maintained by the Company or another third
party designated by the Company.

 

     

     

    

 

	Entasis Therapeutics Holdings Inc.	 	Participant
	 	 	 
	By:	 	 	 
	 	 	 
	Title:	 	 	Date:	                
	 	 	 
	Date:Exhibit 10.2

 

Entasis
Therapeutics Holdings Inc.

 

Restricted
Stock Unit Grant Notice (Performance-Based)

(2018
Equity Incentive Plan)

 

Entasis Therapeutics Holdings Inc. (the “Company”),
pursuant to its 2018 Equity Incentive Plan (the “Plan”), hereby grants to Participant a Restricted Stock Unit
Award for the number of shares of the Company’s Common Stock (“Restricted Stock Units”) set forth below
(the “Award”). The Award is subject to all of the terms and conditions as set forth in this grant notice (the
 “Restricted Stock Unit Grant Notice”) and in the Plan and the Restricted Stock Unit Award Agreement (the “Award
Agreement”), both of which are attached hereto and incorporated herein in their entirety. Capitalized terms not otherwise
defined herein shall have the meanings set forth in the Plan or the Award Agreement. In the event of any conflict between the terms
in the Award and the Plan, the terms of the Plan shall control.

 

Participant:                    ____________________________________________

 

Date of Grant:               ____________________________________________

 

Vesting Commencement Date:             ________________________________

 

Number of Restricted Stock Units:       ________________________________

 

Vesting
Schedule: (a) 50% of the Restricted Stock Units will vest on the date of the Compensation Committee’s
decision that the Company has received positive data readout from its Phase 3 clinical study relating to
sulbactam-durlobactam, (referred to generally as the ATTACK trial (the “First Vesting Date”); and (b) 50% of the
Restricted Stock Units will vest on the anniversary of the First Vesting Date.

 

Issuance
Schedule: Subject to any Capitalization Adjustment, one share of Common Stock (or its cash equivalent, at
the discretion of the Company) will be issued for each Restricted Stock Unit that vests at the time set forth in Section 6 of
the Award Agreement.

 

Additional Terms/Acknowledgements:
Participant acknowledges receipt of, and understands and agrees to, this Restricted Stock Unit Grant Notice, the Award Agreement
and the Plan. Participant further acknowledges that as of the Date of Grant, this Restrict Stock Unit Grant Notice, the Award Agreement
and the Plan set forth the entire understanding between Participant and the Company regarding the acquisition of the Common Stock
pursuant to the Award specified above and supersede all prior oral and written agreements on the terms of this Award, with the
exception, if applicable, of (i) the written employment agreement, offer letter or other written agreement entered into between
the Company and Participant specifying the terms that should govern this specific Award, (ii) restricted stock unit awards or options
previously granted an delivered to Participant, and (iii) any compensation recovery policy that is adopted by the Company or is
otherwise required by applicable law.

 

By accepting this Award, Participant acknowledges having received
and read the Restricted Stock Unit Grant Notice, the Award Agreement and the Plan and agrees to all of the terms and conditions
set forth in these documents. Participant consents to receive such documents by electronic delivery and to participate in the Plan
through an on-line or electronic system established and maintained by the Company or another third party designated by the Company.

 

     

     

    

 

	Entasis Therapeutics Holdings Inc.	 	Participant
	 	 	 
	By:	 	 	 
	 	 	 
	Title:	 	 	Date:	                
	 	 	 
	Date:Exhibit 10.3

 

Entasis
Therapeutics Holdings Inc.

 

2018
Equity Incentive Plan

Restricted
Stock Unit Grant Agreement

 

Pursuant to the Restricted Stock Unit Grant
notice (the “Grant Notice”) and this Restricted Stock Unit Award Agreement (the “Agreement”),
Entasis Therapeutics Holdings Inc. (the “Company”) has awarded you (“Participant”) a Restricted
Stock Unit Award (the “Award”) pursuant to the Company’s 2018 Equity Incentive Plan (the “Plan”)
to be issued the number of Restricted Stock Units/shares indicated in the Grant Notice. Capitalized terms not explicitly defined
in this Agreement or the Grant Notice shall have the same meanings given to them in the Plan. The terms of your Award, in addition
to those set forth in the Grant Notice and the Plan, are as follows:

 

1.       Grant
of the Award. This Award represents the right to be issued on a future date one (1) share of Common Stock for
each Restricted Stock Unit that vests on the applicable vesting date(s) (subject to any adjustment under Section 3 below) as indicated
in the Grant Notice. As of the Date of Grant, the Company will credit to a bookkeeping account maintained by the Company for your
benefit (the “Account”) the number of Restricted Stock Units/shares of Common Stock subject to the Award. Notwithstanding
the foregoing, the Company reserves the right to issue you the cash equivalent of Common Stock, in part or in full satisfaction
of the delivery of Common Stock in connection with the vesting of the Restricted Stock Units, and, to the extent applicable, references
in this Agreement and the Grant Notice to Common Stock issuable in connection with your Restricted Stock Units will include the
potential issuance of its cash equivalent pursuant to such right. This Award was granted in consideration of your services to the
Company.

 

2.       Vesting.
Subject to the limitations contained herein and in the Plan, your Award will vest, if at all, in accordance with the vesting schedule
provided in the Grant Notice, provided that vesting will cease upon the termination of your Continuous Service. Upon such termination
of your continuous Service, the Restricted Stock Units/shares of Common Stock credited to the Account that were not vested on the
date of such termination will be forfeited at no cost to the Company and you will have no further right, title or interest in or
to such underlying shares of Common Stock.

 

3.       Number
of Shares. The number of Restricted Stock Units/shares subject to your Award may be adjusted from time to time for
Capitalization Adjustments as provided in the Plan. Any additional Restricted Stock Units, shares, cash or other property
that becomes subject to the Award pursuant to this Section 3, if any, shall be subject, in a manner determined by the Board,
to the same forfeiture restrictions, restrictions on transferability, and time and manner of delivery as applicable to the
other Restricted Stock Units and shares covered by your Award. Notwithstanding the provisions of this Section 3, no
fractional shares or right for fractional shares of Common Stock shall be created pursuant to this Section 3. The Company
will, in its discretion, determine an equivalent benefit for any fractional shares or fractional shares that might be created
by the adjustments referred to in this Section 3.

 

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4.       Securities
Law Compliance. You may not be issued any Common Stock under your Award unless the shares of Common Stock underlying
the Restricted Stock Units are either (i) then registered under the Securities Act or (ii) the Company has determined that such
issuance would be exempt from the registration requirements of the Securities Act. Your Award must also comply with other applicable
laws and regulations governing the Award, and you shall not receive such Common Stock if the Company determines that such receipt
would not be in material compliance with such laws and regulations.

 

5.       Transfer
Restrictions. Prior to the time that shares of Common Stock have been delivered to you, you may not transfer, pledge,
sell or otherwise dispose of this Award or the shares issuable in respect of your Award, except as expressly provided in this Section
5. For example, you may not use shares that may be issued in respect of your Restricted Stock Units as security for a loan. The
restrictions on transfer set forth herein will lapse upon delivery to you of shares in respect of your vested Restricted Stock
Units.

 

(a)       Death.
Your Award is transferable by will and by the laws of descent and distribution. At your death, vesting of your Award will cease
and your executor or administrator of your estate shall be entitled to receive, on behalf of your estate, any Common Stock or other
consideration that was vested but was not issued before your death.

 

(b)       Domestic
Relations Orders. Upon receiving written permission from the Board or its duly authorized designed, and provided that
you and the designated transferee enter into transfer and other agreements required by the Company, you may transfer your right
to receive the distribution of Common Sock or other consideration hereunder, pursuant to a domestic relations order, marital settlement
agreement or other divorce or separation instrument as permitted by applicable law that contains the information required by the
Company to effectuate the transfer. You are encouraged to discuss the proposed terms of any division of this Award with the Company
General Counsel prior to finalizing the domestic relations order or marital settlement agreement to verify that you may make such
transfer, and if so, to help ensure the required information is contained within the domestic relations order or marital settlement
agreement.

 

6.       Date
of Issuance.

 

(a)       The
issuance of shares in respect of the Restricted Stock Units is intended to comply with the Treasury Regulations Section 1.409A-1(b)(4)
and will be construed and administered in such a manner.

 

Subject to the satisfaction of the Withholding
Taxes set forth in Section 11 of this Agreement, in the event one or more Restricted Stock Units vests, the Company shall issue
to you one (1) share of Common Stock for each Restricted Stock Unit that vests on the applicable vesting date(s) (subject to any
adjustment under Section 3 above). Each issuance date determined by this paragraph is referred to as an “Original Issuance
Date”.

 

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(b)       If
the Original Issuance Date falls on a date that is not a business day, delivery shall instead occur on the next following business
day. In addition, if

 

(i)       the
Original Issuance Date does not occur (1) during an “open window period” applicable to you, as determined by the Company
in accordance with the Company’s then-effective policy on trading in the Company securities, or (2) on a date when you are
otherwise permitted to sell shares of Common Stock on an established stock exchange or stock market (including but not limited
to under a previously established written trading plan that meets the requirements of Rule 10b5-1 under the Exchange Act and was
entered into in compliance with the Company’s policies (a “10b5-1 Plan”)), and

 

(ii)       either
(1) Withholding Taxes do not apply, or (2) Withholding Taxes apply and the Company decides, prior to the Original Issuance Date,
(A) not to satisfy the Withholding Taxes by withholding shares of Common Stock from the shares otherwise due, on the Original Issuance
Date, to you under this Award, and (B) not to permit you to then effect a sale on the market under a 10b5-1 Plan and (C) not to
permit you to pay your Withholding Taxes in cash,

 

then the shares that would otherwise
be issued to you on the Original Issuance Date will not be delivered on such Original Issuance Date and will instead be delivered
on the first business day when you are not prohibited from selling shares of the Company’s Common Stock in the open public
market, but in no event later than (a) December 31 of the calendar year in which the Original Issuance Date occurs (that is, the
last day of your taxable year in which the Original Issuance Date occurs), or (b) if and only if permitted in a manner that
complies with Treasury Regulations Section 1.409A-1(b)(4), no later than the date that is the 15th day of the third
calendar month of the applicable year following the year in which the shares of Common Stock under this Award are no longer subject
to a “substantial risk of forfeiture” within the meaning of Treasury Regulations Section 1.409A-1(d) (such applicable
date under (a) or (b), the “Issuance Deadline”).

 

(c)       The
form of delivery (e.g., a stock certificate or electronic entry evidencing such shares) shall be determined by the Company. If
the Company elects to issue you cash in part or in full satisfaction of the shares of Common Stock issuable upon vesting of your
Restricted Stock Units, then the foregoing provisions of this Section 6(b) will not apply and such cash will be paid to you in
a lump sum at any time on or after the vesting date of your Restricted Stock Units, but in no event later than the Issuance Deadline.

 

7.       Dividends.
You shall receive no benefit or adjustment to your Award with respect to any cash dividend, stock dividend or other distribution
except as provided in the Plan with respect to a Capitalization Adjustment.

 

8.       Restrictive
Legends. The shares of Common Stock issued under your Award shall be endorsed with appropriate legends as determined
by the Company.

 

9.       Execution
of Documents. You hereby acknowledge and agree that the manner selected by the Company by which you indicate your
consent to your Grant Notice is also deemed to be your execution of your Grant Notice and of this Agreement. You further
agree that such manner of indicating consent may be relied upon as your signature for establishing your execution of any
documents to be executed in the future in connection with your Award.

 

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10.       Award
Not a Service Contract.

 

(a)       Nothing
in this Agreement (including, but not limited to, the vesting of your Award or the issuance of the shares in respect of your Award),
the Plan or any covenant of good faith and fair dealing that may be found implicit in this Agreement or the Plan shall: (i) confer
upon you any right to continue in the employ or service of, or affiliation with, the Company or an Affiliate; (ii) constitute any
promise or commitment by the Company or any Affiliate regarding the fact or nature of future positions, future work assignments,
future compensation or any other term or condition of employment or affiliation; (iii) confer any right or benefit under this Agreement
or the Plan unless such right or benefit has specifically accrued under the terms of this Agreement or Plan; or (iv) deprive the
Company or an Affiliate of the right to terminate you at will and without regard to any future vesting opportunity that you may
have.

 

(b)       By
accepting this Award, you acknowledge and agree that the right to continue vesting in the Award pursuant to the vesting schedule
provided in the Grant Notice may not be earned unless (in addition to any other conditions described in the Grant Notice and this
Agreement) you continue as an employee, director or consultant at the will of the Company and Affiliate, as applicable (not through
the act of being hired, being granted this Award or any other award or benefit) and that the Company has the right to reorganize,
sell, spin-out or otherwise restructure one or more of its businesses or Affiliates at any time or from time to time, as it deems
appropriate (a “Reorganization”). You acknowledge and agree that such a Reorganization could result in the termination
of your Continuous Service, or the termination of Affiliate status of your employer and the loss of benefits available to you under
this Agreement, including but not limited to, the termination of the right to continue vesting in the Award. You further acknowledge
and agree that this Agreement, the Plan, the transactions contemplated hereunder and the vesting schedule or any covenant of good
faith and fair dealing that may be found implicit in any of them do not constitute an express or implied promise of continued engagement
as an employee, director or consultant of the Company or an Affiliate for the term of this Agreement, for any period, or at all,
and shall not interfere in any way with your right or the right of the Company or an Affiliate to terminate your status as a service
provider at any time, with or without cause or notice.

 

11.       Withholding
Taxes.

 

(a)       On
each vesting date, and on or before the time you receive a distribution of the shares of Common Stock in respect of your
Restricted Stock Units, and at any other time as reasonably requested by the Company in accordance with applicable tax laws,
you hereby authorize any required withholding from the Common Stock issuable to you and/or otherwise agree to make adequate
provision, including in cash, for any sums required to satisfy the federal, state, local and foreign tax withholding
obligations of the Company or any Affiliate that arise in connection with your Award (the “Withholding
Taxes”).

 

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(b)       By
accepting this Award, you acknowledge and agree that the Company or any Affiliate may, in its sole discretion, satisfy all or any
portion of the Withholding Taxes obligation relating to your Award by any of the following means or by a combination of such means:
(i) withholding from any compensation otherwise payable to you by the Company or an Affiliate; (ii) causing you to tender a cash
payment; (iii) permitting or requiring you to enter into a “same day sale” commitment, if applicable, with a broker-dealer
that is a member of the Financial Industry Regulatory Authority (a “FINRA Dealer”) whereby you irrevocably elect to
sell a portion of the shares to be delivered in connection with your Restricted Stock Units to satisfy the Withholding Taxes and
whereby the FINRA Dealer irrevocably commits to forward the proceeds necessary to satisfy the Withholding Taxes directly to the
Company and/or its Affiliates; or (iv) withholding shares of Common Stock from the shares of Common Stock issued or otherwise issuable
to you in connection with the Award with a Fair Market Value (measured as of the date shares of Common Stock are issued pursuant
to Section 6) not in excess of the maximum amount of tax that may be required to be withheld by law (or such other amount as may
be permitted while still avoiding classification of the Award as a liability for financing accounting purposes); and, provided,
further that to the extent necessary to qualify for an exemption from application of Section 16(b) of the Exchange Act, if applicable,
such share withholding procedure will be subject to the express prior approval of the Board or the Company’s Compensation
Committee.

 

(c)       Unless
the Withholding Taxes are satisfied, the Company shall have no obligation to deliver to you any Common Stock or any other consideration
pursuant to this Award.

 

(d)       In
the event the Withholding Taxes arise prior to the delivery to you of Common Stock or it is determined after the delivery of Common
Stock to you that the amount of the Withholding Taxes was greater than the amount withheld by the Company, you agree to indemnify
and hold the Company harmless from any failure by the Company to withhold the proper amount.

 

12.       Tax
Consequences. The Company has no duty or obligation to minimize the tax consequences to you of this Award
and shall not be liable to you for any adverse tax consequences to you arising in connection with this Award. You acknowledge
that the Company is not making representations or undertakings regarding the treatment of your Award in connection with any
aspect of your Award, including, but not limited to, the grant, vesting or settlement of the Award, the subsequent sale of
shares of Common Stock acquired pursuant to such settlement and the receipt of any dividends and/or any dividend equivalent
payments. You are hereby advised to consult with your own personal tax, financial and/or legal advisors regarding the tax
consequences of this Award and by signing the Grant Notice, you have agreed that you have done so or knowingly and
voluntarily declined to do so. You understand that you (and not the Company) shall be responsible for your own tax liability
that may arise as a result of this investment or the transactions contemplated by this Agreement.

 

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13.       Unrestricted
Obligation. Your Award is unfunded, and as a holder of a vested Award, you shall be considered an unsecured creditor
of the Company with respect to the Company’s obligation, if any, to issue shares or other property pursuant to this Agreement.
You shall not have voting or any other rights as a stockholder of the Company with respect to the shares to be issued pursuant
to this Agreement until such shares are issued to you pursuant to Section 6 of this Agreement. Upon such issuance, you will obtain
full voting and other rights as a stockholder of the Company. Nothing contained in this Agreement, and no action taken pursuant
to its provisions, shall create or be construed to create a trust of any kind or a fiduciary relationship between you and the Company
or any other person.

 

14.       No
Advice Regarding Grant. The Company is not providing any tax, legal or financial advice, nor is the Company making
any recommendations regarding your participation in the Plan, or your acquisition or sale of the underlying shares of Common Stock.
You are hereby advised to consult with your own personal tax, financial and/or legal advisors regarding the taxes arising in connection
with the Award and by accepting the Award, you have agreed that you have done so or knowingly and voluntarily declined to do so.

 

15.        Notices.
Any notice or request required or permitted hereunder shall be given in writing (including electronically) and will be deemed effectively
given upon receipt or, in the case of notices delivered by mail by the Company to you, five (5) days after deposit in the United
States mail, postage prepaid, addressed to you at the last address you provided to the Company. The Company may, in its sole discretion,
decide to deliver any documents related to participation in the Plan and this Award by electronic means or to request your consent
to participate in the Plan by electronic means. By accepting this Award, you consent to receive such documents by electronic delivery
and to participate in the Plan through an on-line or electronic system established and maintained by the Company or another third
party designated by the Company.

 

16.        Headings.
The headings of the Sections in this Agreement are inserted for convenience only and shall not be deemed to constitute a part
of this Agreement or to affect the meaning of this Agreement.

 

17.        Miscellaneous.

 

(a)       The
rights and obligations of the Company under your Award shall be transferable by the Company to any one or more persons or entities,
and all covenants and agreements hereunder shall inure to the benefit of, and be enforceable by, the Company’s successors
and assigns.

 

(b)       You
agree upon request to execute any further documents or instruments necessary or desirable in the sole determination of the Company
to carry out the purposes or intent of your Award.

 

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(c)       You
acknowledge and agree that you have reviewed your Award in its entirety, have had an opportunity to obtain the advice of counsel
prior to executing and accepting your Award and fully understand all provisions of your Award.

 

(d)       This
Agreement shall be subject to all applicable laws, rules, and regulations, and to such approvals by any governmental agencies or
national securities exchanges as may be required.

 

(e)       All
obligations of the Company under the Plan and this Agreement shall be binding on any successor to the Company, whether the existence
of such successor is the result of a direct or indirect purchase, merger, consolidation, or otherwise, of all or substantially
all of the business and/or assets of the Company.

 

18.       Governing
Plan Document. Your Award is subject to all the provisions of the Plan, the provisions of which are hereby made
a part of your Award, and is further subject to all interpretations, amendments, and rules and regulations which may from time
to time be promulgated and adopted pursuant to the Plan. Except as expressly provided herein, if there is any conflict between
the provisions of the Award and those of the Plan, the provisions of the Plan will control. Your Award (and any compensation paid
or shares issued under your Award) is subject to recoupment in accordance with The Dodd-Frank Wall Street Reform and Consumer Protection
Act and any implementing regulations thereunder, any compensation recovery policy otherwise required by applicable law and any
recoupment or clawback policy adopted by the Company (whether or not required by applicable law). No recovery of compensation under
such a clawback policy will be an event giving rise to a right to voluntarily terminate employment upon a resignation for “good
reason,” or for a “constructive termination” or any similar term under any plan of or agreement with the Company.

 

19.       Effect
on Other Employee Benefit Plans. The value of the Award subject to this Agreement shall not be included as compensation,
earnings, salaries or other similar terms used when calculating benefits under any employee benefit plan (other than the Plan)
sponsored by the Company or any Affiliate except as such plan otherwise expressly provides. The Company expressly reserves its
right to amend, modify, or terminate any or all of the employee benefit plans of the Company or any Affiliate.

 

20.       Severability.
If all or any part of this Agreement or the Plan is declared by any court or governmental authority to be unlawful or invalid such
unlawfulness or invalidity shall not invalidate any portion of this Agreement or the Plan not declared to be unlawful or invalid.
Any Section of this Agreement (or part of such a Section) so declared to be unlawful or invalid shall, if possible, be construed
in a manner which will give effect to the terms of such Section or part of a Section to the fullest extent possible while remaining
lawful and valid.

 

21.       Other
Documents. You hereby acknowledge receipt or the right to receive a document providing the information required by Rule
428(b)(1) promulgated under the Securities Act. In addition, you acknowledge receipt of the Company’s policy permitting certain
individuals to sell shares only during certain “window” periods and the Company’s insider trading policy, in
effect from time to time.

 

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22.       Amendment.
This Agreement may not be modified, amended or terminated except by an instrument in writing, signed by you and by a duly authorized
representative of the Company. Notwithstanding the foregoing, this Agreement may be amended solely by the Board by a writing which
specifically states that it is amending this Agreement, so long as a copy of such amendment is delivered to you, and provided that,
except as otherwise expressly provided in the Plan, no such amendment materially adversely affecting your rights hereunder may
be made without your written consent. Without limiting the foregoing, the Board reserves the right to change, by written notice
to you, the provisions of this Agreement in any way it may deem necessary or advisable to carry out the purpose of the Award as
a result of any change in applicable laws or regulations or any future law, regulation, ruling, or judicial decision, provided
that any such change shall be applicable only to rights relating that portion of the Award which is then subject to restrictions
as provided herein.

 

23.       Section
409A of the Code. This Award is intended to be exempt from the application of Section 409A of the Code, including but
not limited to by reason of complying with the “short-term deferral” rule set forth in Treasury Regulation Section
1-409A-1(b)(4) and will be construed and administered in such a manner any ambiguities herein shall be interpreted accordingly.
Notwithstanding the foregoing, if it is determined that the Award fails to satisfy the requirements of the short-term deferral
rule and is otherwise not exempt from, and determined to be deferred compensation subject to Section 409A of the Code, this Award
shall comply with Section 409A to the extent necessary to avoid adverse personal tax consequences and any ambiguities herein shall
be interpreted accordingly.

 

Notwithstanding anything in this Agreement
to the contrary, if this Award is subject to Section 409A of the Code and any shares otherwise are issuable under this Award in
connection with your termination of employment with the Company, then such shares will not be issuable unless such termination
constitutes a “separation from service” (as such term is defined in Treasury Regulations Section 1.401A-1(h) without
regard to any alternative definition thereunder) (“Separation from Service”). Notwithstanding anything in this
Agreement to the contrary, if it is determined that the Award is deferred compensation subject to Section 409A and you are a “specified
employee” (within the meaning set forth in Section 409A(a)(2)(B)(i) of the Code) as of the date of your Separation from Service,
then the issuance of any shares that would otherwise be made upon the date of your Separation from Service or within the first
six (6) months thereafter will not be made on the originally scheduled date(s) and will instead by issued in a lump sum on the
earlier of (i) the date that is six (6) months and one day after the date of the Separation from Service and (ii) the date of your
death, with the balance of the shares issued thereafter in accordance with the original vesting and issuance schedule as per this
Agreement, but if and only if such delay in the issuance of the shares is necessary to avoid the imposition of adverse taxation
on you in respect of the shares under Section 409A of the Code. Each installment of shares that vests is intended to constitute
a “separate payment” for purposes of Treasury Regulation Section 1.409A-2(b)(2). Notwithstanding any contrary provision
of the Plan, the Grant Notice or of this Agreement, under no circumstances will the Company reimburse you for any taxes or other
costs under Section 409A of the Code or any other tax law or rule. All such taxes and costs are solely your responsibility.

 

    8 

     

    

 

* * * * *

 

This Restricted Stock Unit Award Agreement
shall be deemed to be signed by the Company and the Participant upon the signing by the Participant of the Restricted Stock Unit
Grant Notice to which it is attached.

 

    9 

     

    

  

Attachment

 

2018
Equity Incentive Plan

 

     

     

    

 

ENTASIS
THERAPEUTICS HOLDINGS INC.

 

2018 EQUITY
INCENTIVE PLAN

 

ADOPTED BY THE
BOARD OF DIRECTORS: SEPTEMBER
13, 2018

APPROVED
BY THE STOCKHOLDERS: SEPTEMBER 14, 2018

IPO DATE:
SEPTEMBER 25, 2018

 

		1.	GENERAL.

 

(a)
           Successor to and Continuation of Prior Plan. The Plan is intended as the successor to and continuation of the Entasis
Therapeutics Holdings Inc. Amended and Restated Stock Incentive Plan (the “Prior Plan”). From and after
12:01 a.m. Eastern time on the IPO Date, no additional stock awards will be granted under the Prior Plan. All Awards granted on
or after 12:01 a.m. Eastern Time on the IPO Date will be granted under this Plan. All stock awards granted under the Prior Plan
will remain subject to the terms of the Prior Plan.

 

(i)
         Any shares that would otherwise remain available for future grants under the Prior Plan as of 12:01 a.m. Eastern Time
on the IPO Date (the “Prior Plan’s Available Reserve”) will cease to be available under the Prior
Plan at such time. Instead, that number of shares of Common Stock equal to the Prior Plan’s Available Reserve will be added
to the Share Reserve (as further described in Section 3(a) below) and will be immediately available for grants and issuance pursuant
to Stock Awards hereunder, up to the maximum number set forth in Section 3(a) below.

 

(ii)
        In addition, from and after 12:01 a.m. Eastern time on the IPO Date, any shares subject, at such time, to outstanding
stock awards granted under the Prior Plan that (i) expire or terminate for any reason prior to exercise or settlement; (ii) are
forfeited because of the failure to meet a contingency or condition required to vest such shares or otherwise return to the Company;
or (iii) are reacquired, withheld (or not issued) to satisfy a tax withholding obligation in connection with an award or to satisfy
the purchase price or exercise price of a stock award (such shares the “Returning Shares”) will immediately
be added to the Share Reserve (as further described in Section 3(a) below) as and when such shares become Returning Shares, up
to the maximum number set forth in Section 3(a) below.

 

		(b)	Eligible Award Recipients. Employees, Directors and Consultants are eligible to receive

 

Awards.

 

(c)          Available
Awards. The Plan provides for the grant of the following types of Awards: (i) Incentive Stock Options, (ii) Nonstatutory
Stock Options, (iii) Stock Appreciation Rights (iv) Restricted Stock Awards, (v) Restricted Stock Unit Awards, (vi)
Performance Stock Awards, (vii) Performance Cash Awards, and (viii) Other Stock Awards.

 

(d)
          Purpose. The Plan, through the granting of Awards, is intended to help the Company secure and retain the services of
eligible award recipients, provide incentives for such persons to exert maximum efforts for the success of the Company and any
Affiliate and provide a means by which the eligible recipients may benefit from increases in value of the Common Stock.

 

		2.	ADMINISTRATION. 

 

(a)           Administration
by Board. The Board will administer the Plan. The Board may delegate administration of the Plan to a Committee or Committees,
as provided in Section 2(c).

 

(b)           Powers of Board. The Board will have the power, subject to, and within the limitations of, the express provisions of
the Plan:

 

    1.

     

    

 

(i)
         To determine (A) who will be granted Awards; (B) when and how each Award will be granted; (C) what type of Award will
be granted; (D) the provisions of each Award (which need not be identical), including when a person will be permitted to exercise
or otherwise receive cash or Common Stock under the Award; (E) the number of shares of Common Stock subject to, or the cash value
of, an Award; and (F) the Fair Market Value applicable to a Stock Award.

 

(ii)
       To construe and interpret the Plan and Awards granted under it, and to establish, amend and revoke rules and regulations
for administration of the Plan and Awards. The Board, in the exercise of these powers, may correct any defect, omission or inconsistency
in the Plan or in any Award Agreement or in the written terms of a Performance Cash Award, in a manner and to the extent it will
deem necessary or expedient to make the Plan or Award fully effective.

 

 (iii)      To settle all controversies regarding the Plan and Awards granted under it.

 

 (iv)       To accelerate, in whole or in part, the time at which an Award may be exercised

 

or vest (or the time at which cash or shares of Common Stock
may be issued in settlement thereof).

 

(v)
       To suspend or terminate the Plan at any time. Except as otherwise provided in the Plan or an Award Agreement, suspension
or termination of the Plan will not materially impair a Participant’s rights under the Participant’s then-outstanding
Award without the Participant’s written consent except as provided in subsection (viii) below.

 

(vi)
       To amend the Plan in any respect the Board deems necessary or
advisable, including, without limitation, by adopting amendments relating to Incentive Stock Options and certain nonqualified
deferred compensation under Section 409A of the Code and/or bringing the Plan or Awards granted under the Plan into
compliance with the requirements for Incentive Stock Options or ensuring that they are exempt from or compliant with the
requirements for nonqualified deferred compensation under Section 409A of the Code, subject to the limitations, if any, of
applicable law. If required by applicable law or listing requirements, and except as provided in Section 9(a) relating to
Capitalization Adjustments, the Company will seek stockholder approval of any amendment of the Plan that (A) materially
increases the number of shares of Common Stock available for issuance under the Plan, (B) materially expands the class of
individuals eligible to receive Awards under the Plan, (C) materially increases the benefits accruing to Participants under
the Plan, (D) materially reduces the price at which shares of Common Stock may be issued or purchased under the Plan, (E)
materially extends the term of the Plan, or (F) materially expands the types of Awards available for issuance under the Plan.
Except as otherwise provided in the Plan or an Award Agreement, no amendment of the Plan will materially impair a
Participant’s rights under an outstanding Award without the Participant’s written consent.

 

(vii)
      To submit any amendment to the Plan for stockholder approval, including, but not limited to, amendments to the Plan
intended to satisfy the requirements of (A) Section 422 of the Code regarding incentive stock options or (B) Rule 16b-3.

 

(viii)
     To approve forms of Award Agreements for use under the Plan and to amend the terms
of any one or more Awards, including, but not limited to, amendments to provide terms more favorable to the Participant than
previously provided in the Award Agreement, subject to any specified limits in the Plan that are not subject to Board
discretion; provided however, that a Participant’s rights under any Award will not be impaired by any such
amendment unless (A) the Company requests the consent of the affected Participant, and (B) such Participant consents in
writing. Notwithstanding the foregoing, (1) a Participant’s rights will not be deemed to have been impaired by any such
amendment if the Board, in its sole discretion, determines that the amendment, taken as a whole, does not materially impair
the Participant’s rights, and (2) subject to the limitations of applicable law, if any, the Board may amend the terms
of any one or more Awards without the affected Participant’s consent (A) to maintain the qualified status of the Award
as an Incentive Stock Option under Section 422 of the Code; (B) to change the terms of an Incentive Stock Option, if such
change results in impairment of the Award solely because it impairs the qualified status of the Award as an Incentive Stock
Option under Section 422 of the Code; (C) to clarify the manner of exemption from, or to bring the Award into compliance
with, Section 409A of the Code; or (D) to comply with other applicable laws or listing requirements.

 

    2.

     

    

 

(ix)
       Generally, to exercise such powers and to perform such acts as the Board deems necessary or expedient to promote the
best interests of the Company and that are not in conflict with the provisions of the Plan or Awards.

 

(x)
          To adopt such procedures and sub-plans as are necessary or appropriate to permit participation in the Plan by Employees,
Directors or Consultants who are foreign nationals or employed outside the United States (provided that Board approval will not
be necessary for immaterial modifications to the Plan or any Award Agreement that are required for compliance with the laws of
the relevant foreign jurisdiction).

 

(xi)
        To effect, with the consent of any adversely affected Participant, (A) the reduction of the exercise, purchase or strike
price of any outstanding Stock Award; (B) the cancellation of any outstanding Stock Award and the grant in substitution therefor
of a new (1) Option or SAR, (2) Restricted Stock Award, (3) Restricted Stock Unit Award, (4) Other Stock Award, (5) cash and/or
(6) other valuable consideration determined by the Board, in its sole discretion, with any such substituted award (x) covering
the same or a different number of shares of Common Stock as the cancelled Stock Award and (y) granted under the Plan or another
equity or compensatory plan of the Company; or (C) any other action that is treated as a repricing under generally accepted accounting
principles.

 

(c)    Delegation
to Committee.

 

(i)
          General. The Board may delegate some or all of the administration of the Plan to a Committee or Committees. If administration
of the Plan is delegated to a Committee, the Committee will have, in connection with the administration of the Plan, the powers
theretofore possessed by the Board that have been delegated to the Committee, including the power to delegate to a subcommittee
of the Committee any of the administrative powers the Committee is authorized to exercise (and references in this Plan to the Board
will thereafter be to the Committee or subcommittee, as applicable). Any delegation of administrative powers will be reflected
in resolutions, not inconsistent with the provisions of the Plan, adopted from time to time by the Board or Committee (as applicable).
The Committee may, at any time, abolish the subcommittee and/or revest in the Committee any powers delegated to the subcommittee.
The Board may retain the authority to concurrently administer the Plan with the Committee and may, at any time, revest in the Board
some or all of the powers previously delegated.

 

(ii)
         Rule 16b-3 Compliance. The Committee may consist solely of two or more Non-Employee Directors, in accordance with Rule
16b-3.

 

(d)
           Delegation to an Officer. The Board may delegate to
one or more Officers the authority to do one or both of the following (i) designate Employees who are not Officers to be
recipients of Options and SARs (and, to the extent permitted by applicable law, other Stock Awards) and, to the extent
permitted by applicable law, the terms of such Awards, and (ii) determine the number of shares of Common Stock to be subject
to such Stock Awards granted to such Employees; provided, however, that the Board resolutions regarding such
delegation will specify the total number of shares of Common Stock that may be subject to the Stock Awards granted by such
Officer and that such Officer may not grant a Stock Award to himself or herself. Any such Stock Awards will be granted on the
form of Stock Award Agreement most recently approved for use by the Committee or the Board, unless otherwise provided in the
resolutions approving the delegation authority. The Board may not delegate authority to an Officer who is acting solely in
the capacity of an Officer (and not also as a Director) to determine the Fair Market Value pursuant to Section 13(w)(iii)
below.

 

(e)
           Effect of Board’s Decision. All determinations, interpretations and constructions made by the Board in good faith
will not be subject to review by any person and will be final, binding and conclusive on all persons.

 

    3.

     

    

 

		3.	SHARES SUBJECT
TO THE PLAN.

 

(a)
           Share Reserve. Subject to Section 9(a) relating to Capitalization
Adjustments, and the following sentence regarding the annual increase, the aggregate number of shares of Common Stock that may
be issued pursuant to Stock Awards will not exceed 2,350,000 shares (the “Share Reserve”), which number
is the sum of (i) 1,095,864 new shares, plus (ii) the number of shares subject to the Prior Plan’s Available Reserve
plus (iii) the number of shares that are Returning Shares, as such shares become available from time to time. In addition,
the Share Reserve will automatically increase on January 1st of each year, for a period of not more than ten years,
commencing on January 1st of the year following the year in which the IPO Date occurs and ending on (and including)
January 1, 2028, in an amount equal to 4% of the total number of shares of Capital Stock outstanding on December 31st of the preceding
calendar year. Notwithstanding the foregoing, the Board may act prior to January 1st of a given year to provide that
there will be no January 1st increase in the Share Reserve for such year or that the increase in the Share Reserve
for such year will be a lesser number of shares of Common Stock than would otherwise occur pursuant to the preceding sentence.

 

For clarity, the Share
Reserve in this Section 3(a) is a limitation on the number of shares of Common Stock that may be issued pursuant to the Plan. Accordingly,
this Section 3(a) does not limit the granting of Stock Awards except as provided in Section 7(a). Shares may be issued in connection
with a merger or acquisition as permitted by NASDAQ Listing Rule 5635(c) or, if applicable, NYSE Listed Company Manual Section
303A.08, AMEX Company Guide Section 711 or other applicable rule, and such issuance will not reduce the number of shares available
for issuance under the Plan.

 

(b)
           Reversion of Shares to the Share Reserve. If a Stock Award or any portion thereof (i) expires or otherwise terminates
without all of the shares covered by such Stock Award having been issued or (ii) is settled in cash (i.e., the Participant
receives cash rather than stock), such expiration, termination or settlement will not reduce (or otherwise offset) the number of
shares of Common Stock that may be available for issuance under the Plan. If any shares of Common Stock issued pursuant to a Stock
Award are forfeited back to or repurchased by the Company because of the failure to meet a contingency or condition required to
vest such shares in the Participant, then the shares that are forfeited or repurchased will revert to and again become available
for issuance under the Plan. Any shares reacquired by the Company in satisfaction of tax withholding obligations on a Stock Award
or as consideration for the exercise or purchase price of a Stock Award will again become available for issuance under the Plan.

 

(c)
           Incentive Stock Option Limit. Subject to the Share Reserve and Section 9(a) relating to Capitalization Adjustments,
the aggregate maximum number of shares of Common Stock that may be issued pursuant to the exercise of Incentive Stock Options will
be 7,500,000 shares of Common Stock.

 

    4.

     

    

 

(d)            Limitation on Grants to
Non-Employee Directors. The maximum number of shares of Common Stock subject to Stock Awards granted under the Plan
or otherwise during a single calendar year to any Non-Employee Director, taken together with any cash fees paid by the Company
to such Non-Employee Director during such calendar year for service on the Board, will not exceed five hundred thousand dollars
($500,000) in total value (calculating the value of any such Stock Awards based on the grant date fair value of such Stock Awards
for financial reporting purposes), or, with respect to the calendar year in which a Non-Employee Director is first appointed or
elected to the Board, eight hundred thousand dollars ($800,000).

 

(e)
           Source of Shares. The stock issuable under the Plan will be shares of authorized but unissued or reacquired Common Stock,
including shares repurchased by the Company on the open market or otherwise.

 

		4.	ELIGIBILITY. 

 

(a)            Eligibility
for Specific Stock Awards. Incentive Stock Options may be granted only to employees of the Company or a “parent
corporation” or “subsidiary corporation” thereof (as such terms are defined in Sections 424(e) and 424(f)
of the Code). Stock Awards other than Incentive Stock Options may be granted to Employees, Directors and Consultants;
provided, however, that Stock Awards may not be granted to Employees, Directors and Consultants who are providing Continuous
Service only to any “parent” of the Company, as such term is defined in Rule 405 of the Securities Act, unless
(i) the stock underlying such Stock Awards is treated as “service recipient stock” under Section 409A of the Code
(for example, because the Stock Awards are granted pursuant to a corporate transaction such as a spin off transaction), (ii)
the Company, in consultation with its legal counsel, has determined that such Stock Awards are otherwise exempt from Section
409A of the Code, or (iii) the Company, in consultation with its legal counsel, has determined that such Stock Awards comply
with the distribution requirements of Section 409A of the Code.

 

(b)
            Ten Percent Stockholders. A Ten Percent Stockholder will not be granted an Incentive Stock Option unless the exercise
price of such Option is at least 110% of the Fair Market Value on the date of grant and the Option is not exercisable after the
expiration of five years from the date of grant.

 

		5.	PROVISIONS RELATING
TO OPTIONS AND STOCK APPRECIATION
RIGHTS.

 

Each Option or SAR
will be in such form and will contain such terms and conditions as the Board deems appropriate. All Options will be separately
designated Incentive Stock Options or Nonstatutory Stock Options at the time of grant, and, if certificates are issued, a separate
certificate or certificates will be issued for shares of Common Stock purchased on exercise of each type of Option. If an Option
is not specifically designated as an Incentive Stock Option, or if an Option is designated as an Incentive Stock Option but some
portion or all of the Option fails to qualify as an Incentive Stock Option under the applicable rules, then the Option (or portion
thereof) will be a Nonstatutory Stock Option. The provisions of separate Options or SARs need not be identical; provided, however,
that each Award Agreement will conform to (through incorporation of provisions hereof by reference in the applicable Award Agreement
or otherwise) the substance of each of the following provisions:

 

(a)
           Term. Subject to the provisions of Section 4(b) regarding Ten Percent Stockholders, no Option or SAR will be exercisable
after the expiration of ten (10) years from the date of its grant or such shorter period specified in the Award Agreement.

 

(b)
           Exercise Price. Subject to the provisions of Section
4(b) regarding Ten Percent Stockholders, the exercise or strike price of each Option or SAR will be not less than 100% of the
Fair Market Value of the Common Stock subject to the Option or SAR on the date the Award is granted. Notwithstanding the
foregoing, an Option or SAR may be granted with an exercise or strike price lower than 100% of the Fair Market Value of the
Common Stock subject to the Award if such Award is granted pursuant to an assumption of or substitution for another option or
stock appreciation right pursuant to a corporate transaction and in a manner consistent with the provisions of Section 409A
of the Code and, if applicable, Section 424(a) of the Code. Each SAR will be denominated in shares of Common Stock
equivalents.

 

    5.

     

    

 

(c)
           Purchase Price for Options. The purchase price of Common Stock acquired pursuant to the exercise of an Option may be
paid, to the extent permitted by applicable law and as determined by the Board in its sole discretion, by any combination of the
methods of payment set forth below. The Board will have the authority to grant Options that do not permit all of the following
methods of payment (or otherwise restrict the ability to use certain methods) and to grant Options that require the consent of
the Company to use a particular method of payment. The permitted methods of payment are as follows:

 

 (i)         by cash, check, bank draft or money order payable to the Company;

 

(ii)       pursuant
to a program developed under Regulation T as promulgated by the Federal Reserve Board that, prior to the issuance of the
stock subject to the Option, results in either the receipt of cash (or check) by the Company or the receipt of irrevocable
instructions to pay the aggregate exercise price to the Company from the sales proceeds;

 

(iii)      by
delivery to the Company (either by actual delivery or attestation) of shares of

 

Common Stock;

 

(iv)
       if an Option is a Nonstatutory Stock Option, by a “net exercise” arrangement pursuant to which the Company
will reduce the number of shares of Common Stock issuable upon exercise by the largest whole number of shares with a Fair Market
Value that does not exceed the aggregate exercise price; provided, however, that the Company will accept a cash or other
payment from the Participant to the extent of any remaining balance of the aggregate exercise price not satisfied by such reduction
in the number of whole shares to be issued. Shares of Common Stock will no longer be subject to an Option and will not be exercisable
thereafter to the extent that (A) shares issuable upon exercise are used to pay the exercise price pursuant to the “net exercise,”
(B) shares are delivered to the Participant as a result of such exercise, and (C) shares are withheld to satisfy tax withholding
obligations; or

 

(v)
        in any other form of legal consideration that may be acceptable to the Board and specified in the applicable Award Agreement.

 

(d)
           Exercise and Payment of a SAR. To exercise any outstanding SAR, the Participant must provide written notice of exercise
to the Company in compliance with the provisions of the Stock Appreciation Right Agreement evidencing such SAR. The appreciation
distribution payable on the exercise of a SAR will be not greater than an amount equal to the excess of (A) the aggregate Fair
Market Value (on the date of the exercise of the SAR) of a number of shares of Common Stock equal to the number of Common Stock
equivalents in which the Participant is vested under such SAR, and with respect to which the Participant is exercising the SAR
on such date, over (B) the aggregate strike price of the number of Common Stock equivalents with respect to which the Participant
is exercising the SAR on such date. The appreciation distribution may be paid in Common Stock, in cash, in any combination of the
two or in any other form of consideration, as determined by the Board and contained in the Award Agreement evidencing such SAR.

 

    6.

     

    

 

(e)           Transferability of Options
and SARs. The Board may, in its sole discretion, impose such limitations on the transferability of Options and SARs
as the Board will determine. In the absence of such a determination by the Board to the contrary, the following restrictions on
the transferability of Options and SARs will apply:

 

(i)
        Restrictions on Transfer. An Option or SAR will not be transferable except by will or by the laws of descent and distribution
(or pursuant to subsections (ii) and (iii) below), and will be exercisable during the lifetime of the Participant only by the Participant.
The Board may permit transfer of the Option or SAR in a manner that is not prohibited by applicable tax and securities laws. Except
as explicitly provided herein, neither an Option nor a SAR may be transferred for consideration.

 

(ii)
       Domestic Relations Orders. Subject to the approval of the Board or a duly authorized Officer, an Option or SAR may be
transferred pursuant to the terms of a domestic relations order, official marital settlement agreement or other divorce or separation
instrument as permitted by Treasury Regulation Section 1.421-1(b)(2). If an Option is an Incentive Stock Option, such Option may
be deemed to be a Nonstatutory Stock Option as a result of such transfer.

 

(iii)
     Beneficiary Designation. Subject to the approval of the Board or a duly authorized Officer, a Participant may, by delivering
written notice to the Company, in a form approved by the Company (or the designated broker), designate a third party who, on the
death of the Participant, will thereafter be entitled to exercise the Option or SAR and receive the Common Stock or other consideration
resulting from such exercise. In the absence of such a designation, upon the death of the Participant, the executor or administrator
of the Participant’s estate will be entitled to exercise the Option or SAR and receive the Common Stock or other consideration
resulting from such exercise. However, the Company may prohibit designation of a beneficiary at any time, including due to any
conclusion by the Company that such designation would be inconsistent with the provisions of applicable laws.

 

(f)
            Vesting Generally. The total number of shares of Common Stock subject to an Option or SAR may vest and become exercisable
in periodic installments that may or may not be equal. The Option or SAR may be subject to such other terms and conditions on the
time or times when it may or may not be exercised (which may be based on the satisfaction of Performance Goals or other criteria)
as the Board may deem appropriate. The vesting provisions of individual Options or SARs may vary. The provisions of this Section
5(f) are subject to any Option or SAR provisions governing the minimum number of shares of Common Stock as to which an Option or
SAR may be exercised.

 

(g)
           Termination of Continuous Service. Except as otherwise provided in the applicable Award Agreement or other agreement
between the Participant and the Company, if a Participant’s Continuous Service terminates (other than for Cause and other
than upon the Participant’s death or Disability), the Participant may exercise his or her Option or SAR (to the extent that
the Participant was entitled to exercise such Award as of the date of termination of Continuous Service) within the period of time
ending on the earlier of (i) the date that is three (3) months following the termination of the Participant’s Continuous
Service (or such longer or shorter period specified in the applicable Award Agreement) and (ii) the expiration of the term of the
Option or SAR as set forth in the Award Agreement. If, after termination of Continuous Service, the Participant does not exercise
his or her Option or SAR (as applicable) within the applicable time frame, the Option or SAR will terminate.

 

(h)
           Extension of Termination Date. Except as otherwise
provided in the applicable Award Agreement or other written agreement between the Participant and the Company, if the
exercise of an Option or SAR following the termination of the Participant’s Continuous Service (other than for Cause
and other than upon the Participant’s death or Disability) would be prohibited at any time solely because the issuance
of shares of Common Stock would violate the registration requirements under the Securities Act, then the Option or SAR will
terminate on the earlier of (i) the expiration of a total period of time (that need not be consecutive) equal to the
applicable post termination exercise period after the termination of the Participant’s Continuous Service during which
the exercise of the Option or SAR would not be in violation of such registration requirements, and (ii) the expiration of the
term of the Option or SAR as set forth in the applicable Award Agreement. In addition, unless otherwise provided in a
Participant’s Award Agreement, if the sale of any Common Stock received on exercise of an Option or SAR following the
termination of the Participant’s Continuous Service (other than for Cause) would violate the Company’s insider
trading policy, then the Option or SAR will terminate on the earlier of (i) the expiration of a period of months (that need
not be consecutive) equal to the applicable post-termination exercise period after the termination of the Participant’s
Continuous Service during which the sale of the Common Stock received upon exercise of the Option or SAR would not be in
violation of the Company’s insider trading policy, or (ii) the expiration of the term of the Option or SAR as set forth
in the applicable Award Agreement.

 

    7.

     

    

 

(i)
            Disability of Participant. Except as otherwise provided in the applicable Award Agreement or other agreement between
the Participant and the Company, if a Participant’s Continuous Service terminates as a result of the Participant’s
Disability, the Participant may exercise his or her Option or SAR (to the extent that the Participant was entitled to exercise
such Option or SAR as of the date of termination of Continuous Service), but only within such period of time ending on the earlier
of (i) the date twelve (12) months following such termination of Continuous Service (or such longer or shorter period specified
in the Award Agreement) and (ii) the expiration of the term of the Option or SAR as set forth in the Award Agreement. If, after
termination of Continuous Service, the Participant does not exercise his or her Option or SAR within the applicable time frame,
the Option or SAR (as applicable) will terminate.

 

(j)
            Death of Participant. Except as otherwise provided in the applicable Award Agreement or other agreement between the
Participant and the Company, if (i) a Participant’s Continuous Service terminates as a result of the Participant’s
death, or (ii) the Participant dies within the period (if any) specified in the Award Agreement for exercisability after the termination
of the Participant’s Continuous Service for a reason other than death, then the Option or SAR may be exercised (to the extent
the Participant was entitled to exercise such Option or SAR as of the date of death) by the Participant’s estate, by a person
who acquired the right to exercise the Option or SAR by bequest or inheritance or by a person designated to exercise the Option
or SAR upon the Participant’s death, but only within the period ending on the earlier of (i) the date eighteen (18) months
following the date of death (or such longer or shorter period specified in the Award Agreement) and (ii) the expiration of the
term of such Option or SAR as set forth in the Award Agreement. If, after the Participant’s death, the Option or SAR is not
exercised within the applicable time frame, the Option or SAR (as applicable) will terminate.

 

(k)
          Termination for Cause. Except as explicitly provided otherwise in a Participant’s Award Agreement or other individual
written agreement between the Company or any Affiliate and the Participant, if a Participant’s Continuous Service is terminated
for Cause, the Option or SAR will terminate immediately upon such Participant’s termination of Continuous Service, and the
Participant will be prohibited from exercising his or her Option or SAR from and after the time of such termination of Continuous
Service.

 

(l)
           Non- Exempt Employees. If an Option or SAR is granted
to an Employee who is a non-exempt employee for purposes of the Fair Labor Standards Act of 1938, as amended, the Option or
SAR will not be first exercisable for any shares of Common Stock until at least six (6) months following the date of grant of
the Option or SAR (although the Award may vest prior to such date). Consistent with the provisions of the Worker Economic
Opportunity Act, (i) if such non-exempt Employee dies or suffers a Disability, (ii) upon a Corporate Transaction in which
such Option or SAR is not assumed, continued, or substituted, (iii) upon a Change in Control, or (iv) upon the
Participant’s retirement (as such term may be defined in the Participant’s Award Agreement, in another agreement
between the Participant and the Company, or, if no such definition, in accordance with the Company's then current employment
policies and guidelines), the vested portion of any Options and SARs may be exercised earlier than six (6) months following
the date of grant. The foregoing provision is intended to operate so that any income derived by a non-exempt employee in
connection with the exercise or vesting of an Option or SAR will be exempt from his or her regular rate of pay. To the extent
permitted and/or required for compliance with the Worker Economic Opportunity Act to ensure that any income derived by a
non-exempt employee in connection with the exercise, vesting or issuance of any shares under any other Stock Award will be
exempt from the employee’s regular rate of pay, the provisions of this Section 5(l) will apply to all Stock Awards and
are hereby incorporated by reference into such Stock Award Agreements.

 

    8.

     

    

 

		6.	PROVISIONS OF STOCK
AWARDS OTHER THAN OPTIONS
AND SARS. 

 

(a)           Restricted
Stock Awards. Each Restricted Stock Award Agreement will be in such form and will contain such terms and conditions as
the Board deems appropriate. To the extent consistent with the Company’s bylaws, at the Board’s election, shares
of Common Stock may be (i) held in book entry form subject to the Company’s instructions until any restrictions
relating to the Restricted Stock Award lapse; or (ii) evidenced by a certificate, which certificate will be held in such form
and manner as determined by the Board. The terms and conditions of Restricted Stock Award Agreements may change from time to
time, and the terms and conditions of separate Restricted Stock Award Agreements need not be identical. Each Restricted Stock
Award Agreement will conform to (through incorporation of the provisions hereof by reference in the agreement or otherwise)
the substance of each of the following provisions:

 

(i)         Consideration. A
Restricted Stock Award may be awarded in consideration for (A) cash, check, bank draft
or money order payable to the Company, (B) past or future services to the Company or an Affiliate, or (C) any other form of
legal consideration that may be acceptable to the Board, in its sole discretion, and permissible under applicable law.

 

(ii)
        Vesting. Shares of Common Stock awarded under the Restricted Stock Award Agreement may be subject to forfeiture to the
Company in accordance with a vesting schedule to be determined by the Board.

 

(iii)
      Termination of Participant’s Continuous Service. If a Participant’s Continuous Service terminates, the Company
may receive through a forfeiture condition or a repurchase right any or all of the shares of Common Stock held by the Participant
that have not vested as of the date of termination of Continuous Service under the terms of the Restricted Stock Award Agreement.

 

(iv)
       Transferability. Rights to acquire shares of Common Stock under the Restricted Stock Award Agreement will be transferable
by the Participant only upon such terms and conditions as are set forth in the Restricted Stock Award Agreement, as the Board will
determine in its sole discretion, so long as Common Stock awarded under the Restricted Stock Award Agreement remains subject to
the terms of the Restricted Stock Award Agreement.

 

(v)
         Dividends. A Restricted Stock Award Agreement may provide that any dividends paid on Restricted Stock will be subject
to the same vesting and forfeiture restrictions as apply to the shares subject to the Restricted Stock Award to which they relate.

 

(b)
           Restricted Stock Unit Awards. Each Restricted Stock
Unit Award Agreement will be in such form and will contain such terms and conditions as the Board deems appropriate. The
terms and conditions of Restricted Stock Unit Award Agreements may change from time to time, and the terms and conditions of
separate Restricted Stock Unit Award Agreements need not be identical. Each Restricted Stock Unit Award Agreement will
conform to (through incorporation of the provisions hereof by reference in the Agreement or otherwise) the substance of each
of the following provisions:

 

    9.

     

    

 

(i)
         Consideration. At the time of grant of a Restricted Stock Unit Award, the Board will determine the consideration, if
any, to be paid by the Participant upon delivery of each share of Common Stock subject to the Restricted Stock Unit Award. The
consideration to be paid (if any) by the Participant for each share of Common Stock subject to a Restricted Stock Unit Award may
be paid in any form of legal consideration that may be acceptable to the Board, in its sole discretion, and permissible under applicable
law.

 

(ii)
       Vesting. At the time of the grant of a Restricted Stock Unit Award, the Board may impose such restrictions on or conditions
to the vesting of the Restricted Stock Unit Award as it, in its sole discretion, deems appropriate.

 

(iii)
      Payment. A Restricted Stock Unit Award may be settled by the delivery of shares of Common Stock, their cash equivalent,
any combination thereof or in any other form of consideration, as determined by the Board and contained in the Restricted Stock
Unit Award Agreement.

 

(iv)
       Additional Restrictions. At the time of the grant of a Restricted Stock Unit Award, the Board, as it deems appropriate,
may impose such restrictions or conditions that delay the delivery of the shares of Common Stock (or their cash equivalent) subject
to a Restricted Stock Unit Award to a time after the vesting of such Restricted Stock Unit Award.

 

(v)
         Dividend Equivalents. Dividend equivalents may be credited in respect of shares of Common Stock covered by a Restricted
Stock Unit Award, as determined by the Board and contained in the Restricted Stock Unit Award Agreement. At the sole discretion
of the Board, such dividend equivalents may be converted into additional shares of Common Stock covered by the Restricted Stock
Unit Award in such manner as determined by the Board. Any additional shares covered by the Restricted Stock Unit Award credited
by reason of such dividend equivalents will be subject to all of the same terms and conditions of the underlying Restricted Stock
Unit Award Agreement to which they relate.

 

(vi)
      Termination of Participant’s Continuous Service. Except as otherwise provided in the applicable Restricted Stock
Unit Award Agreement or other written agreement between a Participant and the Company or an Affiliate, such portion of the Restricted
Stock Unit Award that has not vested will be forfeited upon the Participant’s termination of Continuous Service.

 

		(c)	Performance Awards.

 

(i)
          Performance Stock Awards. A Performance Stock Award is a Stock Award that is payable (including that may be granted,
may vest or may be exercised) contingent upon the attainment during a Performance Period of certain Performance Goals. A Performance
Stock Award may, but need not, require the Participant’s completion of a specified period of Continuous Service. The length
of any Performance Period, the Performance Goals to be achieved during the Performance Period, and the measure of whether and to
what degree such Performance Goals have been attained will be conclusively determined by the Board or Committee , in its sole discretion.
In addition, to the extent permitted by applicable law and the applicable Award Agreement, the Board or the Committee may determine
that cash may be used in payment of Performance Stock Awards.

 

    10.

     

    

 

(ii)
        Performance Cash Awards. A Performance Cash Award is a cash award that is payable contingent upon the attainment during
a Performance Period of certain Performance Goals. A Performance Cash Award may also require the completion of a specified period
of Continuous Service. At the time of grant of a Performance Cash Award, the length of any Performance Period, the Performance
Goals to be achieved during the Performance Period, and the measure of whether and to what degree such Performance Goals have been
attained will be conclusively determined by the Board or Committee, in its sole discretion. The Board or Committee may specify
the form of payment of Performance Cash Awards, which may be cash or other property, or may provide for a Participant to have the
option for his or her Performance Cash Award, or such portion thereof as the Board may specify, to be paid in whole or in part
in cash or other property.

 

(iii)
        Board Discretion. The Board retains the discretion to adjust or eliminate the compensation or economic benefit due upon
attainment of Performance Goals and to define the manner of calculating the Performance Criteria it selects to use for a Performance
Period. Partial achievement of the specified criteria may result in the payment or vesting corresponding to the degree of achievement
as specified in the Stock Award Agreement or the written terms of a Performance Cash Award.

 

(d)
           Other Stock Awards. Other forms of Stock Awards valued in whole or in part by reference to, or otherwise based on, Common
Stock, including the appreciation in value thereof (e.g., options or stock rights with an exercise price or strike price less than
100% of the Fair Market Value of the Common Stock at the time of grant) may be granted either alone or in addition to Stock Awards
provided for under Section 5 and the preceding provisions of this Section 6. Subject to the provisions of the Plan, the Board will
have sole and complete authority to determine the persons to whom and the time or times at which such Other Stock Awards will be
granted, the number of shares of Common Stock (or the cash equivalent thereof) to be granted pursuant to such Other Stock Awards
and all other terms and conditions of such Other Stock Awards.

 

		7.	COVENANTS OF THE COMPANY.

 

(a)          
Availability of Shares. The Company will keep available at all times the number of shares of Common Stock reasonably
required to satisfy then-outstanding Stock Awards.

 

(b)            Securities
Law Compliance. The Company will seek to obtain from each regulatory commission or agency having jurisdiction over the
Plan, as necessary, such authority as may be required to grant Stock Awards and to issue and sell shares of Common Stock upon
exercise or vesting of the Stock Awards; provided, however, that this undertaking will not require the Company to
register under the Securities Act or other securities or applicable laws, the Plan, any Stock Award or any Common Stock
issued or issuable pursuant to any such Stock Award. If, after reasonable efforts and at a reasonable cost, the Company is
unable to obtain from any such regulatory commission or agency the authority that counsel for the Company deems necessary or
advisable for the lawful issuance and sale of Common Stock under the Plan, the Company will be relieved from any liability
for failure to issue and sell Common Stock upon exercise or vesting of such Stock Awards unless and until such authority is
obtained. A Participant will not be eligible for the grant of an Award or the subsequent issuance of cash or Common Stock
pursuant to the Award if such grant or issuance would be in violation of any applicable securities law.

 

(c)            No Obligation to Notify or Minimize Taxes. The Company will have no duty or obligation to any Participant to
advise such holder as to the tax treatment or time or manner of exercising such Stock Award. Furthermore, the Company will
have no duty or obligation to warn or otherwise advise such holder of a pending termination or expiration of an Award or a
possible period in which the Award may not be exercised. The Company has no duty or obligation to minimize the tax
consequences of an Award to the holder of such Award.

 

    11.

     

    

 

		8.	MISCELLANEOUS. 

 

(a)           
Use of Proceeds from Sales of Common Stock. Proceeds from the sale of shares of Common Stock pursuant to Stock
Awards will constitute general funds of the Company.

 

(b)            Corporate
Action Constituting Grant of Awards. Corporate action constituting a grant by the Company of an Award to any Participant
will be deemed completed as of the date of such corporate action, unless otherwise determined by the Board, regardless of
when the instrument, certificate, or letter evidencing the Award is communicated to, or actually received or accepted by, the
Participant. In the event that the corporate records (e.g., Board consents, resolutions or minutes) documenting the corporate
action approving the grant contain terms (e.g., exercise price, vesting schedule or number of shares) that are inconsistent
with those in the Award Agreement or related grant documents as a result of a clerical error in the papering of the Award
Agreement or related grant documents, the corporate records will control and the Participant will have no legally binding
right to the incorrect term in the Award Agreement or related grant documents.

 

(c)
           Stockholder Rights. No Participant will be deemed to be the holder of, or to have any of the rights of a holder with
respect to, any shares of Common Stock subject to an Award unless and until

 

(i) such Participant has satisfied all
requirements for exercise of, or the issuance of shares of Common Stock under, the Award pursuant to its terms, and (ii) the issuance
of the Common Stock subject to such Award has been entered into the books and records of the Company.

 

(d)
           No Employment or Other Service Rights. Nothing in the Plan, any Award Agreement or any other instrument executed thereunder
or in connection with any Award granted pursuant thereto will confer upon any Participant any right to continue to serve the Company
or an Affiliate in the capacity in effect at the time the Award was granted or will affect the right of the Company or an Affiliate
to terminate (i) the employment of an Employee with or without notice and with or without cause, (ii) the service of a Consultant
pursuant to the terms of such Consultant’s agreement with the Company or an Affiliate, or (iii) the service of a Director
pursuant to the bylaws of the Company or an Affiliate, and any applicable provisions of the corporate law of the state or foreign
jurisdiction in which the Company or the Affiliate is domiciled or incorporated, as the case may be.

 

(e)
           Change in Time Commitment. In the event a Participant’s regular level of time commitment in the performance of
his or her services for the Company and any Affiliates is reduced (for example, and without limitation, if the Participant is an
Employee of the Company and the Employee has a change in status from a full-time Employee to a part-time Employee or takes an extended
leave of absence) after the date of grant of any Award to the Participant, the Board has the right in its sole discretion to (x)
make a corresponding reduction in the number of shares or cash amount subject to any portion of such Award that is scheduled to
vest or become payable after the date of such change in time commitment, and (y) in lieu of or in combination with such a reduction,
extend the vesting or payment schedule applicable to such Award. In the event of any such reduction, the Participant will have
no right with respect to any portion of the Award that is so reduced or extended.

 

(f)
            Incentive Stock Option Limitations. To the
extent that the aggregate Fair Market Value (determined at the time of grant) of Common Stock with respect to which Incentive
Stock Options are exercisable for the first time by any Optionholder during any calendar year (under all plans of the Company
and any Affiliates) exceeds $100,000 (or such other limit established in the Code) or otherwise does not comply with the
rules governing Incentive Stock Options, the Options or portions thereof that exceed such limit (according to the order in
which they were granted) or otherwise do not comply with such rules will be treated as Nonstatutory Stock Options,
notwithstanding any contrary provision of the applicable Option Agreement(s).

 

    12.

     

    

 

(g)
            Investment Assurances. The Company may require a Participant, as a condition of exercising or acquiring Common Stock
under any Award, (i) to give written assurances satisfactory to the Company as to the Participant’s knowledge and experience
in financial and business matters and/or to employ a purchaser representative reasonably satisfactory to the Company who is knowledgeable
and experienced in financial and business matters and that such Participant is capable of evaluating, alone or together with the
purchaser representative, the merits and risks of exercising the Award; and (ii) to give written assurances satisfactory to the
Company stating that the Participant is acquiring Common Stock subject to the Award for the Participant’s own account and
not with any present intention of selling or otherwise distributing the Common Stock. The foregoing requirements, and any assurances
given pursuant to such requirements, will be inoperative if (A) the issuance of the shares upon the exercise or acquisition of
Common Stock under the Stock Award has been registered under a then currently effective registration statement under the Securities
Act, or (B) as to any particular requirement, a determination is made by counsel for the Company that such requirement need not
be met in the circumstances under the then applicable securities laws. The Company may, upon advice of counsel to the Company,
place legends on stock certificates issued under the Plan as such counsel deems necessary or appropriate in order to comply with
applicable securities laws, including, but not limited to, legends restricting the transfer of the Common Stock.

 

(h)
           Withholding Obligations. Unless prohibited by the terms of an Award Agreement, the Company may, in its sole discretion,
satisfy any federal, state or local tax withholding obligation relating to an Award by any of the following means or by a combination
of such means: (i) causing the Participant to tender a cash payment; (ii) withholding shares of Common Stock from the shares of
Common Stock issued or otherwise issuable to the Participant in connection with the Stock Award; provided, however, that
no shares of Common Stock are withheld with a value exceeding the maximum amount of tax required to be withheld by law (or such
lesser amount as may be necessary to avoid classification of the Stock Award as a liability for financial accounting purposes);
(iii) withholding cash from an Award settled in cash; (iv) withholding payment from any amounts otherwise payable to the Participant;
or (v) by such other method as may be set forth in the Award Agreement.

 

(i)
           Electronic Delivery. Any reference herein to a “written” agreement or document will include any agreement
or document delivered electronically, filed publicly at www.sec.gov (or any successor website thereto) or posted on the Company’s
intranet (or other shared electronic medium controlled by the Company to which the Participant has access).

 

(j)
            Deferrals. To the extent permitted by applicable law, the Board, in its sole discretion, may determine that the delivery
of Common Stock or the payment of cash, upon the exercise, vesting or settlement of all or a portion of any Award may be deferred
and may establish programs and procedures for deferral elections to be made by Participants. Deferrals by Participants will be
made in accordance with Section 409A of the Code. Consistent with Section 409A of the Code, the Board may provide for distributions
while a Participant is still an employee or otherwise providing services to the Company. The Board is authorized to make deferrals
of Awards and determine when, and in what annual percentages, Participants may receive payments, including lump sum payments, following
the Participant’s termination of Continuous Service, and implement such other terms and conditions consistent with the provisions
of the Plan and in accordance with applicable law.

 

(k)
          Clawback/Recovery. All Awards granted under the Plan will be
subject to recoupment in accordance with any clawback policy that the Company is required to adopt pursuant to the listing
standards of any national securities exchange or association on which the Company’s securities are listed or as is
otherwise required by the Dodd-Frank Wall Street Reform and Consumer Protection Act or other applicable law. In addition, the
Board may impose such other clawback, recovery or recoupment provisions in an Award Agreement as the Board determines
necessary or appropriate, including but not limited to a reacquisition right in respect of previously acquired shares of
Common Stock or other cash or property upon the occurrence of an event constituting Cause. No recovery of compensation under
such a clawback policy will be an event giving rise to a right to voluntary terminate employment upon a “resignation
for good reason,” or for a “constructive termination” or any similar term under any plan of or agreement
with the Company.

 

    13.

     

    

 

(l)
           Compliance with Section 409A of the Code. Unless otherwise expressly provided for in an Award Agreement, the Plan and
Award Agreements will be interpreted to the greatest extent possible in a manner that makes the Plan and the Awards granted hereunder
exempt from Section 409A of the Code, and, to the extent not so exempt, in compliance with Section 409A of the Code. If the Board
determines that any Award granted hereunder is not exempt from and is therefore subject to Section 409A of the Code, the Award
Agreement evidencing such Award will incorporate the terms and conditions necessary to avoid the consequences specified in Section
409A(a)(1) of the Code, and to the extent an Award Agreement is silent on terms necessary for compliance, such terms are hereby
incorporated by reference into the Award Agreement. Notwithstanding anything to the contrary in this Plan (and unless the Award
Agreement specifically provides otherwise), if the shares of Common Stock are publicly traded, and if a Participant holding an
Award that constitutes “deferred compensation” under Section 409A of the Code is a “specified employee”
for purposes of Section 409A of the Code, no distribution or payment of any amount that is due because of a “separation from
service” (as defined in Section 409A of the Code without regard to alternative definitions thereunder) will be issued or
paid before the date that is six months following the date of such Participant’s “separation from service” or,
if earlier, the date of the Participant’s death, unless such distribution or payment can be made in a manner that complies
with Section 409A of the Code, and any amounts so deferred will be paid in a lump sum on the day after such six month period elapses,
with the balance paid thereafter on the original schedule.

 

		9.	ADJUSTMENTS UPON
CHANGES IN COMMON STOCK;
OTHER CORPORATE EVENTS.

 

(a)
           Capitalization Adjustments. In the event of a Capitalization Adjustment, the Board will appropriately and proportionately
adjust: (i) the class(es) and maximum number of securities subject to the Plan pursuant to Section 3(a), (ii) the class(es) and
maximum number of securities by which the share reserve is to increase automatically each year pursuant to Section 3(a), (iii)
the class(es) and maximum number of securities that may be issued pursuant to the exercise of Incentive Stock Options pursuant
to Section 3(c), (iv) the class(es) and maximum number of securities that may be awarded to any Non-Employee Director pursuant
to Section 3(d), and (v) the class(es) and number of securities and price per share of stock subject to outstanding Stock Awards.
The Board will make such adjustments, and its determination will be final, binding and conclusive.

 

(b)
           Dissolution. Except as otherwise provided in the Stock Award Agreement, in the event of a Dissolution of the Company,
all outstanding Stock Awards (other than Stock Awards consisting of vested and outstanding shares of Common Stock not subject to
a forfeiture condition or the Company’s right of repurchase) will terminate immediately prior to the completion of such Dissolution,
and the shares of Common Stock subject to the Company’s repurchase rights or subject to a forfeiture condition may be repurchased
or reacquired by the Company notwithstanding the fact that the holder of such Stock Award is providing Continuous Service; provided,
however, that the Board may, in its sole discretion, cause some or all Stock Awards to become fully vested, exercisable and/or
no longer subject to repurchase or forfeiture (to the extent such Stock Awards have not previously expired or terminated) before
the Dissolution is completed but contingent on its completion.

 

    14.

     

    

 

(c)
           Transaction. The following provisions will apply to Stock Awards in the event of a Transaction unless otherwise provided
in the instrument evidencing the Stock Award or any other written agreement between the Company or any Affiliate and the Participant
or unless otherwise expressly provided by the Board at the time of grant of a Stock Award. In the event of a Transaction, then,
notwithstanding any other provision of the Plan, the Board may take one or more of the following actions with respect to Stock
Awards, contingent upon the closing or completion of the Transaction:

 

(i)
          arrange for the surviving corporation or acquiring corporation (or the surviving or acquiring corporation’s parent
company) to assume or continue the Stock Award or to substitute a similar stock award for the Stock Award (including, but not limited
to, an award to acquire the same consideration paid to the stockholders of the Company pursuant to the Transaction);

 

(ii)
        arrange for the assignment of any reacquisition or repurchase rights held by the Company in respect of Common Stock
issued pursuant to the Stock Award to the surviving corporation or acquiring corporation (or the surviving or acquiring corporation’s
parent company);

 

(iii)
       accelerate the vesting, in whole or in part, of the Stock Award (and, if applicable, the time at which the Stock Award
may be exercised) to a date prior to the effective time of such Transaction as the Board determines (or, if the Board does not
determine such a date, to the date that is five days prior to the effective date of the Transaction), with such Stock Award terminating
if not exercised (if applicable) at or prior to the effective time of the Transaction; provided, however, that the Board
may require Participants to complete and deliver to the Company a notice of exercise before the effective date of a Transaction,
which exercise is contingent upon the effectiveness of such Transaction;

 

(iv)
        arrange for the lapse, in whole or in part, of any reacquisition or repurchase rights held by the Company with respect
to the Stock Award;

 

(v)
        cancel or arrange for the cancellation of the Stock Award, to the extent not vested or not exercised prior to the effective
time of the Transaction, in exchange for such cash consideration, if any, as the Board, in its sole discretion, may consider appropriate;
and

 

(vi)
        make a payment, in such form as may be determined by the Board equal to the excess, if any, of (A) the value of the
property the Participant would have received upon the exercise of the Stock Award immediately prior to the effective time of the
Transaction, over (B) any exercise price payable by such holder in connection with such exercise. For clarity, this payment may
be $0 if the value of the property is equal to or less than the exercise price. Payments under this provision may be delayed to
the same extent that payment of consideration to the holders of the Company’s Common Stock in connection with the Transaction
is delayed as a result of escrows, earn outs, holdbacks or any other contingencies.

 

The Board need not
take the same action or actions with respect to all Stock Awards or portions thereof or with respect to all Participants. The Board
may take different actions with respect to the vested and unvested portions of a Stock Award.

 

(d)
           Change in Control. A Stock Award may be subject to additional acceleration of vesting and exercisability upon or after
a Change in Control as may be provided in the Stock Award Agreement for such Stock Award or as may be provided in any other written
agreement between the Company or any Affiliate and the Participant, but in the absence of such provision, no such acceleration
will occur.

 

    15.

     

    

 

		10.	PLAN TERM;
EARLIER TERMINATION OR SUSPENSION
OF THE PLAN.

 

The Board may suspend
or terminate the Plan at any time. No Incentive Stock Options may be granted after the tenth anniversary of the earlier of (i)
the date the Plan is adopted by the Board (the “Adoption Date”), or (ii) the date the Plan is approved
by the stockholders of the Company. No Awards may be granted under the Plan while the Plan is suspended or after it is terminated.

 

		11.	EXISTENCE OF THE
PLAN; TIMING OF FIRST
GRANT OR EXERCISE.

 

The Plan will come
into existence on the Adoption Date; provided, however, that no Stock Award may be granted prior to the IPO Date. In addition,
no Stock Award will be exercised (or, in the case of a Restricted Stock Award, Restricted Stock Unit Award, Performance Share Award,
or Other Stock Award, no Stock Award will be granted) and no Performance Cash Award will be settled unless and until the Plan has
been approved by the stockholders of the Company, which approval will be within 12 months after the date the Plan is adopted by
the Board.

 

		12.	CHOICE OF
LAW.

 

The laws of the State
of Delaware will govern all questions concerning the construction, validity and interpretation of this Plan, without regard to
that state’s conflict of laws rules.

 

		13.	DEFINITIONS.
As used in the Plan, the following definitions will apply to the capitalized terms indicated below:

 

(a)
“Affiliate” means, at the time of determination, any “parent” or “subsidiary”
of the Company as such terms are defined in Rule 405 of the Securities Act. The Board will have the authority to determine the
time or times at which “parent” or “subsidiary” status is determined within the foregoing definition.

 

		(b)	“Award” means a Stock Award or a Performance Cash Award.

 

		(c)	“Award Agreement” means
a written agreement between the Company and a Participant evidencing the terms and conditions of an Award.

 

		(d)	“Board” means the Board of Directors of the Company.

 

		(e)	“Capital Stock” means each
and every class of common stock of the Company, regardless of the number of votes per share.

 

(f)            “Capitalization
Adjustment” means any change that is made in, or other events that occur with respect to, the Common Stock
subject to the Plan or subject to any Stock Award after the Adoption Date without the receipt of consideration by the Company
through merger, consolidation, reorganization, recapitalization, reincorporation, stock dividend, dividend in property other
than cash, large nonrecurring cash dividend, stock split, reverse stock split, liquidating dividend, combination of shares,
exchange of shares, change in corporate structure or any similar equity restructuring transaction, as that term is used in
Statement of Financial Accounting Standards Board Accounting Standards Codification Topic 718 (or any successor thereto).
Notwithstanding the foregoing, the conversion of any convertible securities of the Company will not be treated as a
Capitalization Adjustment.

 

    16.

     

    

 

(g)           “Cause” shall have the meaning ascribed to such term in any written agreement between the Participant and the Company
defining such term and, in the absence of such agreement, such term means, with respect to a Participant, the occurrence of
any of the following events: (i) such Participant’s commission of any felony or any crime involving fraud, dishonesty
or moral turpitude under the laws of the United States or any state thereof; (ii) such Participant’s attempted
commission of, or participation in, a fraud or act of dishonesty against the Company; (iii) such Participant’s
intentional, material violation of any contract or agreement between the Participant and the Company or of any statutory duty
owed to the Company; (iv) such Participant’s unauthorized use or disclosure of the Company’s confidential
information or trade secrets; or (v) such Participant’s gross misconduct. The determination that a termination of the
Participant’s Continuous Service is either for Cause or without Cause shall be made by the Company, in its sole
discretion. Any determination by the Company that the Continuous Service of a Participant was terminated with or without
Cause for the purposes of outstanding Awards held by such Participant shall have no effect upon any determination of the
rights or obligations of the Company or such Participant for any other purpose.

 

(h)
           “Change in Control” means the occurrence, in a single transaction or in a series of related
transactions, of any one or more of the following events:

 

(i)
          any Exchange Act Person becomes the Owner, directly or indirectly, of securities of the Company representing more than
50% of the combined voting power of the Company’s then outstanding securities other than by virtue of a merger, consolidation
or similar transaction. Notwithstanding the foregoing, a Change in Control will not be deemed to occur (A) on account of the acquisition
of securities of the Company directly from the Company, (B) on account of the acquisition of securities of the Company by an investor,
any affiliate thereof or any other Exchange Act Person that acquires the Company’s securities in a transaction or series
of related transactions the primary purpose of which is to obtain financing for the Company through the issuance of equity securities,
(C) on account of the acquisition of securities of the Company by any individual who is, on the IPO Date, either an executive officer
or a Director (either, an “IPO Investor”) and/or any entity in which an IPO Investor has a direct or
indirect interest (whether in the form of voting rights or participation in profits or capital contributions) of more than 50%
(collectively, the “IPO Entities”) or on account of the IPO Entities continuing to hold shares that come
to represent more than 50% of the combined voting power of the Company’s then outstanding securities as a result of the conversion
of any class of the Company’s securities into another class of the Company’s securities having a different number of
votes per share pursuant to the conversion provisions set forth in the Company’s Amended and Restated Certificate of Incorporation;
or (D) solely because the level of Ownership held by any Exchange Act Person (the “Subject Person”) exceeds
the designated percentage threshold of the outstanding voting securities as a result of a repurchase or other acquisition of voting
securities by the Company reducing the number of shares outstanding, provided that if a Change in Control would occur (but for
the operation of this sentence) as a result of the acquisition of voting securities by the Company, and after such share acquisition,
the Subject Person becomes the Owner of any additional voting securities that, assuming the repurchase or other acquisition had
not occurred, increases the percentage of the then outstanding voting securities Owned by the Subject Person over the designated
percentage threshold, then a Change in Control will be deemed to occur;

 

(ii)         there
is consummated a merger, consolidation or similar transaction involving (directly or indirectly) the Company and, immediately
after the consummation of such merger, consolidation or similar transaction, the stockholders of the Company immediately
prior thereto do not Own, directly or indirectly, either (A) outstanding voting securities representing more than 50% of the
combined outstanding voting power of the surviving Entity in such merger, consolidation or similar transaction or (B) more
than 50% of the combined outstanding voting power of the parent of the surviving Entity in such merger, consolidation or
similar transaction, in each case in substantially the same proportions as their Ownership of the outstanding voting
securities of the Company immediately prior to such transaction; provided, however, that a merger, consolidation or
similar transaction will not constitute a Change in Control under this prong of the definition if the outstanding voting
securities representing more than 50% of the combined voting power of the surviving Entity or its parent are owned by the IPO
Entities;

 

    17.

     

    

 

(iii)
        there is consummated a sale, lease, exclusive license or other disposition of all or substantially all of the consolidated
assets of the Company and its Subsidiaries, other than a sale, lease, license or other disposition of all or substantially all
of the consolidated assets of the Company and its Subsidiaries to an Entity, more than 50% of the combined voting power of the
voting securities of which are Owned by stockholders of the Company in substantially the same proportions as their Ownership of
the outstanding voting securities of the Company immediately prior to such sale, lease, license or other disposition; provided,
however, that a sale, lease, exclusive license or other disposition of all or substantially all of the consolidated assets
of the Company and its Subsidiaries will not constitute a Change in Control under this prong of the definition if the outstanding
voting securities representing more than 50% of the combined voting power of the acquiring Entity or its parent are owned by the
IPO Entities;

 

(iv)
        the stockholders of the Company approve or the Board approves a plan of complete dissolution or liquidation of the Company,
or a complete dissolution or liquidation of the Company will otherwise occur, except for a liquidation into a parent corporation;
or

 

(v)
         individuals who, on the date the IPO Date, are members of the Board (the “Incumbent Board”)
cease for any reason to constitute at least a majority of the members of the Board; provided, however, that if the appointment
or election (or nomination for election) of any new Board member was approved or recommended by a majority vote of the members
of the Incumbent Board then still in office, such new member will, for purposes of this Plan, be considered as a member of the
Incumbent Board.

 

Notwithstanding the
foregoing definition or any other provision of the Plan, the term Change in Control will not include a sale of assets, merger or
other transaction effected exclusively for the purpose of changing the domicile of the Company and the definition of Change in
Control (or any analogous term) in an individual written agreement between the Company or any Affiliate and the Participant will
supersede the foregoing definition with respect to Awards subject to such agreement; provided, however, that if no definition
of Change in Control or any analogous term is set forth in such an individual written agreement, the foregoing definition will
apply.

 

(i)           
“Code” means the Internal Revenue Code of 1986, as amended, including any applicable regulations
and guidance thereunder.

 

(j)           
“Committee” means a committee of one or more Directors to whom authority has been delegated
by the Board in accordance with Section 2(b)(xi).

 

(k)          
“Common Stock” means, as of the IPO Date, the common stock of the Company, having one vote
per share.

 

 (l)            “Company” means Entasis Therapeutics Holdings Inc., a Delaware corporation.

 

(m)         
“Consultant” means any person, including an advisor, who is (i) engaged by the Company or
an Affiliate to render consulting or advisory services and is compensated for such services,

or (ii) serving as a member of the board
of directors of an Affiliate and is compensated for such services. However, service solely as a Director, or payment of a fee
for such service, will not cause a Director to be considered a “Consultant” for purposes of the Plan. Notwithstanding
the foregoing, a person is treated as a Consultant under this Plan only if a Form S-8 Registration Statement under the Securities
Act is available to register either the offer or the sale of the Company’s securities to such person.

 

    18.

     

    

 

(n)
            “Continuous Service” means that the Participant’s service with the Company or an Affiliate,
whether as an Employee, Director or Consultant, is not interrupted or terminated. A change in the capacity in which the Participant
renders service to the Company or an Affiliate as an Employee, Consultant or Director or a change in the entity for which the Participant
renders such service, provided that there is no interruption or termination of the Participant’s service with the Company
or an Affiliate, will not terminate a Participant’s Continuous Service; provided, however, that if the Entity for
which a Participant is rendering services ceases to qualify as an Affiliate, as determined by the Board, in its sole discretion,
such Participant’s Continuous Service will be considered to have terminated on the date such Entity ceases to qualify as
an Affiliate. To the extent permitted by law, the Board or the chief executive officer of the Company, in that party’s sole
discretion, may determine whether Continuous Service will be considered interrupted in the case of (i) any leave of absence approved
by the Board or chief executive officer, including sick leave, military leave or any other personal leave, or (ii) transfers between
the Company, an Affiliate, or their successors. Notwithstanding the foregoing, a leave of absence will be treated as Continuous
Service for purposes of vesting in an Award only to such extent as may be provided in the Company’s leave of absence policy,
in the written terms of any leave of absence agreement or policy applicable to the Participant, or as otherwise required by law.

 

(o)
           “Corporate Transaction” means the consummation, in a single transaction or in a series of
related transactions, of any one or more of the following events:

 

(i)
           a sale or other disposition of all or substantially all, as determined by the Board, in its sole discretion, of the
consolidated assets of the Company and its Subsidiaries;

 

(ii)         a
sale or other disposition of more than 50% of the outstanding securities of the

 

Company;

 

(iii)
       a merger, consolidation or similar transaction following which the Company is not the surviving corporation; or

 

(iv)
         a merger, consolidation or similar transaction following which the Company is the surviving corporation but the shares
of Common Stock outstanding immediately preceding the merger, consolidation or similar transaction are converted or exchanged by
virtue of the merger, consolidation or similar transaction into other property, whether in the form of securities, cash or otherwise.

 

 

 (p)            “Director” means a member of the Board.

 

(q)          
“Disability” means, with respect to a Participant, the inability of such Participant to engage
in any substantial gainful activity by reason of any medically determinable physical or mental

impairment that can be expected to result
in death or that has lasted or can be expected to last for a continuous period of not less than 12 months, as provided in Sections
22(e)(3) and 409A(a)(2)(c)(i) of the Code, and will be determined by the Board on the basis of such medical evidence as the Board
deems warranted under the circumstances.

 

(r)
           “Dissolution” means when the Company, after having executed a certificate of dissolution with
the State of Delaware (or other applicable state), has completely wound up its affairs. Conversion of the Company into a Limited
Liability Company (or any other pass-through entity) will not be considered a “Dissolution” for purposes of the Plan.

 

    19.

     

    

 

(s)
           “Employee” means any person employed by the Company or an Affiliate. However, service solely
as a Director, or payment of a fee for such services, will not cause a Director to be considered an “Employee” for
purposes of the Plan.

 

		(t)	“Entity” means a corporation, partnership, limited liability company
or other entity.

 

(u)          
“Exchange Act” means the Securities Exchange Act of 1934, as amended, and the rules and regulations
promulgated thereunder.

 

(v)           “Exchange
Act Person” means any natural person, Entity or “group” (within the meaning of Section 13(d) or
14(d) of the Exchange Act), except that “Exchange Act Person” will not include (i) the Company or any Subsidiary
of the Company, (ii) any employee benefit plan of the Company or any Subsidiary of the Company or any trustee or other
fiduciary holding securities under an employee benefit plan of the Company or any Subsidiary of the Company, (iii) an
underwriter temporarily holding securities pursuant to a registered public offering of such securities, (iv) an Entity Owned,
directly or indirectly, by the stockholders of the Company in substantially the same proportions as their Ownership of stock
of the Company; or (v) any natural person, Entity or “group” (within the meaning of Section 13(d) or 14(d) of the
Exchange Act) that, as of the IPO Date, is the Owner, directly or indirectly, of securities of the Company representing more
than 50% of the combined voting power of the Company’s then outstanding securities.

 

(w)
           “Fair Market Value” means, as of any date, the value of the Common Stock determined as follows:

 

(i)
         If the Common Stock is listed on any established stock exchange or traded on any established market, the Fair Market
Value of a share of Common Stock will be, unless otherwise determined by the Board, the closing sales price for such stock as quoted
on such exchange or market (or the exchange or market with the greatest volume of trading in the Common Stock) on the date of determination,
as reported in a source the Board deems reliable.

 

(ii)
        Unless otherwise provided by the Board, if there is no closing sales price for the Common Stock on the date of determination,
then the Fair Market Value will be the closing selling price on the last preceding date for which such quotation exists.

 

(iii)
       In the absence of such markets for the Common Stock, the Fair Market Value will be determined by the Board in good faith
and in a manner that complies with Sections 409A and 422 of the Code.

 

(x)
           “Incentive Stock Option” means an option granted pursuant to Section 5 of the Plan that is
intended to be, and qualifies as, an “incentive stock option” within the meaning of Section 422 of the Code.

 

(y)
           “IPO Date” means the date of the underwriting agreement between the Company and the underwriter(s)
managing the initial public offering of the Common Stock, pursuant to which the Common Stock is priced for the initial public offering.

 

(z)
            “Non-Employee
Director” means a Director who either (i) is not a current employee or officer of the Company or an Affiliate,
does not receive compensation, either directly or indirectly, from the Company or an Affiliate for services rendered as a
consultant or in any capacity other than as a Director (except for an amount as to which disclosure would not be required
under Item 404(a) of Regulation S-K promulgated pursuant to the Securities Act (“Regulation S-K”)),
does not possess an interest in any other transaction for which disclosure would be required under Item 404(a) of Regulation
S-K, and is not engaged in a business relationship for which disclosure would be required pursuant to Item 404(b) of
Regulation S-K; or (ii) is otherwise considered a “non-employee director” for purposes of Rule 16b-3.

 

    20.

     

    

 

(aa)        
“Nonstatutory Stock Option” means any Option granted pursuant to Section 5 of the Plan that
does not qualify as an Incentive Stock Option.

 

(bb)         
“Officer” means a person who is an officer of the Company within the meaning of Section 16
of the Exchange Act.

 

(cc)         
“Option” means an Incentive Stock Option or a Nonstatutory Stock Option to purchase shares
of Common Stock granted pursuant to the Plan.

 

(dd)         
“Option Agreement” means a written agreement between the Company and an Optionholder evidencing
the terms and conditions of an Option grant. Each Option Agreement will be

subject to the terms and conditions of the Plan.

 

(ee)         
“Optionholder” means a person to whom an Option is granted pursuant to the Plan or, if applicable,
such other person who holds an outstanding Option.

 

(ff)           
“Other Stock Award” means an award based in whole or in part by reference to the Common Stock
which is granted pursuant to the terms and conditions of Section 6(d).

 

(gg)        
“Other Stock Award Agreement” means a written agreement between the Company and a holder of
an Other Stock Award evidencing the terms and conditions of an Other Stock Award grant.

Each Other Stock Award Agreement will be subject to the terms
and conditions of the Plan.

 

(hh)
         “Own,” “Owned,” “ Owner,” “Ownership”
means a person or Entity will be deemed to “Own,” to have “Owned,” to be the “Owner” of, or
to have acquired “Ownership” of securities if such person or Entity, directly or indirectly, through any contract,
arrangement, understanding, relationship or otherwise, has or shares voting power, which includes the power to vote or to direct
the voting, with respect to such securities.

 

(ii)         
“Participant” means a person to whom an Award is granted pursuant to the Plan or, if applicable,
such other person who holds an outstanding Stock Award.

 

(jj)           
“Performance Cash Award” means an award of cash granted pursuant to the terms and conditions
of Section 6(c)(ii).

 

(kk)         “Performance
Criteria” means the one or more criteria that the Board will select for purposes of establishing the
Performance Goals for a Performance Period. The Performance Criteria that will be used to establish such Performance Goals
may be based on any one of, or combination of, the following as determined by the Board: (i) sales; (ii) revenues; (iii)
assets; (iv) expenses; (v) market penetration or expansion; (vi) earnings from operations; (vii) earnings before or after
deduction for all or any portion of interest, taxes, depreciation, amortization, incentives, service fees or extraordinary or
special items, whether or not on a continuing operations or an aggregate or per share basis; (viii) net income or net income
per common share (basic or diluted); (ix) return on equity, investment, capital or assets; (x) one or more operating ratios;
(xi) borrowing levels, leverage ratios or credit rating; (xii) market share; (xiii) capital expenditures; (xiv) cash flow,
free cash flow, cash flow return on investment, or net cash provided by operations; (xv) stock price, dividends or total
stockholder return; (xvi) development of new technologies or products; (xvii) sales of particular products or services;
(xviii) economic value created or added; (xix) operating margin or profit margin; (xx) customer acquisition or retention;
(xxi) raising or refinancing of capital; (xxii) successful hiring of key individuals; (xxiii) resolution of significant
litigation; (xxiv) acquisitions and divestitures (in whole or in part); (xxv) joint ventures and strategic alliances; (xxvi)
spin-offs, split-ups and the like; (xxvii) reorganizations; (xxviii) recapitalizations, restructurings, financings (issuance
of debt or equity) or refinancings; (xxix) or strategic business criteria, consisting of one or more objectives based on the
following goals: achievement of timely development, design management or enrollment, meeting specified market penetration or
value added, payor acceptance, patient adherence, peer reviewed publications, issuance of new patents, establishment of or
securing of licenses to intellectual property, product development or introduction (including, without limitation, any
clinical trial accomplishments, regulatory or other filings, approvals or milestones, discovery of novel products,
maintenance of multiple products in pipeline, product launch or other product development milestones), geographic business
expansion, cost targets, cost reductions or savings, customer satisfaction, operating efficiency, acquisition or retention,
employee satisfaction, information technology, corporate development (including, without limitation, licenses, innovation,
research or establishment of third party collaborations), manufacturing or process development, legal compliance or risk
reduction, patent application or issuance goals, or goals relating to acquisitions, divestitures or other business
combinations (in whole or in part), joint ventures or strategic alliances; and (xxx)
other measures of performance selected by the Board.

 

    21.

     

    

 

(ll)          
“Performance Goals” means, for a Performance Period, the one or more goals established by
the Board for the Performance Period based upon the Performance Criteria. Performance

Goals may be based on a Company-wide
basis, with respect to one or more business units, divisions, Affiliates, or business segments, and in either absolute terms
or relative to the performance of one or more comparable companies or the performance of one or more relevant indices. The
Board is authorized at any time in its sole discretion, to adjust or modify the calculation of a Performance Goal for such
Performance Period in order to prevent the dilution or enlargement of the rights of Participants, (a) in the event of, or in
anticipation of, any unusual or extraordinary corporate item, transaction, event or development; (b) in recognition of, or in
anticipation of, any other unusual or nonrecurring events affecting the Company, or the financial statements of the Company
in response to, or in anticipation of, changes in applicable laws, regulations, accounting principles, or business
conditions; or (c) in view of the Board’s assessment of the business strategy of the Company, performance of comparable
organizations, economic and business conditions, and any other circumstances deemed relevant. Specifically, the Board is
authorized to make adjustment in the method of calculating attainment of Performance Goals and objectives for a Performance
Period as follows: (i) to exclude the dilutive effects of acquisitions or joint ventures; (ii) to assume that any business
divested by the Company achieved performance objectives at targeted levels during the balance of a Performance Period
following such divestiture; and (iii) to exclude the effect of any change in the outstanding shares of common stock of the
Company by reason of any stock dividend or split, stock repurchase, reorganization, recapitalization, merger, consolidation,
spin-off, combination or exchange of shares or other similar corporate change, or any distributions to common stockholders
other than regular cash dividends. In addition, the Board is authorized to make adjustment in the method of calculating
attainment of Performance Goals and objectives for a Performance Period as follows: (i) to exclude restructuring and/or other
nonrecurring charges; (ii) to exclude exchange rate effects, as applicable, for non-U.S. dollar denominated net sales and
operating earnings; (iii) to exclude the effects of changes to generally accepted accounting standards required by the
Financial Accounting Standards Board; (iv) to exclude the effects of any items that are “unusual” in nature or
occur “infrequently” as determined under generally accepted accounting principles; (v) to exclude the effects to
any statutory adjustments to corporate tax rates; and (vi) to make other appropriate adjustments determined by the Board.

 

    22.

     

    

 

(mm)
       “Performance Period” means the period of time selected by the Board over which the attainment
of one or more Performance Goals will be measured for the purpose of determining a Participant’s right to and the payment
of a Stock Award or a Performance Cash Award. Performance Periods may be of varying and overlapping duration, at the sole discretion
of the Board.

 

(nn)        
“Performance Stock Award” means a Stock Award granted under the terms and conditions of Section
6(c)(ii).

 

		(oo)	“Plan” means this Entasis Therapeutics Holdings Inc. 2018 Equity Incentive
Plan.

 

(pp)         
“Restricted Stock Award” means an award of shares of Common Stock which is granted pursuant
to the terms and conditions of Section 6(a).

 

(qq)         
“Restricted Stock Award Agreement” means a written agreement between the Company and a holder
of a Restricted Stock Award evidencing the terms and conditions of a Restricted Stock Award grant. Each Restricted Stock Award
Agreement will be subject to the terms and conditions of the

 

Plan.

 

(rr)         
“Restricted Stock Unit Award” means a right to receive shares of Common Stock which is granted
pursuant to the terms and conditions of Section 6(b).

 

		(ss)	“Restricted Stock Unit Award Agreement” means a written agreement between
the

 

Company and a holder of a Restricted Stock
Unit Award evidencing the terms and conditions of a Restricted Stock Unit Award grant. Each Restricted Stock Unit Award Agreement
will be subject to the terms and conditions of the Plan.

 

(tt)          
“Rule 16b-3” means Rule 16b-3 promulgated under the Exchange Act or any successor to Rule
16b-3, as in effect from time to time.

 

		(uu)	“Securities Act” means the Securities Act of 1933, as amended.

 

(vv)         
“Stock Appreciation Right” or “SAR” means a right to receive the
appreciation on Common Stock that is granted pursuant to the terms and conditions of Section 5.

 

(ww)        
“Stock Appreciation Right Agreement” means a written agreement between the Company and a holder
of a Stock Appreciation Right evidencing the terms and conditions of a Stock

Appreciation Right grant. Each Stock Appreciation
Right Agreement will be subject to the terms and conditions of the Plan.

 

(xx)
“Stock Award” means any right to receive Common Stock granted under the Plan, including an
Incentive Stock Option, a Nonstatutory Stock Option, a Restricted Stock Award, a Restricted Stock Unit Award, a Stock Appreciation
Right, a Performance Stock Award or any Other Stock Award.

 

(yy)         
“Stock Award Agreement” means a written agreement between the Company and a Participant evidencing
the terms and conditions of a Stock Award grant. Each Stock Award Agreement will be subject to the terms and conditions of the
Plan.

 

(zz)         
“Subsidiary” means, with respect to the Company, (i) any corporation of which more than 50%
of the outstanding capital stock having ordinary voting power to elect a majority of the board of

directors of such corporation (irrespective of whether, at
the time, stock of any other class or classes of such corporation will have or might have voting power by reason of the
happening of any contingency) is at the time, directly or indirectly, Owned by the Company, and (ii) any partnership, limited
liability company or other entity in which the Company has a direct or indirect interest (whether in the form of voting or
participation in profits or capital contribution) of more than 50%.

 

(aaa)
       “Ten Percent Stockholder” means a person who Owns (or is deemed to Own pursuant to Section
424(d) of the Code) stock possessing more than 10% of the total combined voting power of all classes of stock of the Company or
any Affiliate.

 

(bbb)        “Transaction”
means a Corporate Transaction or a Change in Control.

 

    23.

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