Document:

Exhibit

Exhibit 10.6

Restricted Stock Unit No.________

OVASCIENCE, INC. 

Restricted Stock Unit Award Grant Notice
Restricted Stock Unit Award Grant under the Company’s
2012 Stock Incentive Plan

1.    Name and Address of Participant:        Harald Stock, Ph.D. 
c/o OvaScience, Inc.
9 Fourth Avenue
Waltham, MA 02451

2.    Date of Grant of 
Restricted Stock Unit Award:            January 5, 2016

3.    Maximum Number of Shares underlying
Restricted Stock Unit Award:            250,000

		
	4.
	Vesting of Award:  This Restricted Stock Unit Award shall vest as to 25% of the maximum number of restricted stock units (as provided in Section 3 above) on the first anniversary of the Vesting Commencement Date and as to an additional 6.25% of the maximum number of restricted stock units at the end of each successive three-month period following the first anniversary of the Vesting Commencement Date until the fourth anniversary of the Vesting Commencement Date, provided the Participant is providing services to the Company as an employee, director, consultant or advisor of the Company on the applicable vesting date.  For purposes of this Restricted Stock Unit Award, “Vesting Commencement Date” shall mean January ___, 2016.

The Company and the Participant acknowledge receipt of this Restricted Stock Unit Award Grant Notice and agree to the terms of the Restricted Stock Unit Agreement attached hereto and incorporated by reference herein, the Company’s 2012 Stock Incentive Plan and the terms of this Restricted Stock Unit Award as set forth above.
    
OVASCIENCE, INC. 
 
By:    /s/ Thomas Malley             
Name:    Thomas Malley                   
Title:    Chair of Compensation Committee

/s/ Harald Stock                
Harald Stock, Ph.D.

OVASCIENCE, INC. 

RESTRICTED STOCK UNIT AGREEMENT - 
INCORPORATED TERMS AND CONDITIONS

AGREEMENT made as of the date of grant set forth in the Restricted Stock Unit Award Grant Notice between OvaScience, Inc. (the “Company”), a Delaware corporation, and the individual whose name appears on the Restricted Stock Unit Award Grant Notice (the “Participant”).

WHEREAS, the Company has adopted the 2012 Stock Incentive Plan (the “Plan”), to promote the interests of the Company by providing an incentive for employees, officers, directors, consultants and advisors of the Company;

WHEREAS, pursuant to the provisions of the Plan, the Company desires to grant to the Participant restricted stock units (“RSUs”) related to the Company’s common stock, $0.001 par value per share (“Common Stock”), in accordance with the provisions of the Plan, all on the terms and conditions hereinafter set forth; and

WHEREAS, the Company and the Participant understand and agree that any terms used and not defined herein have the meanings ascribed to such terms in the Plan.

NOW, THEREFORE, in consideration of the promises and the mutual covenants contained herein and for other good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged, the parties hereto hereby agree as follows:

1.    Grant of Award.  The Company hereby grants to the Participant an award for the number of RSUs set forth in the Restricted Stock Unit Award Grant Notice (the “Award”). Each RSU represents a contingent entitlement of the Participant to receive one share of Common Stock, on the terms and conditions and subject to all the limitations set forth herein and in the Plan, which is incorporated herein by reference.  The Participant acknowledges receipt of a copy of the Plan.

2.    Vesting of Award.

(a)    Subject to the terms and conditions set forth in this Agreement and the Plan, the Award granted hereby shall vest as set forth in the Restricted Stock Unit Award Grant Notice and is subject to the other terms and conditions of this Agreement and the Plan.  On each vesting date set forth in the Restricted Stock Unit Award Grant Notice, the Participant shall be entitled to receive such number of shares of Common Stock equivalent to the number of RSUs set forth opposite such vesting date provided that the Participant is employed or providing service to the Company on such vesting date.  Such shares of Common Stock shall thereafter be delivered by the Company to the Participant within five days of the applicable vesting date and in accordance with this Agreement and the Plan.    

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(b)    Except as otherwise set forth in this Agreement, if the Participant ceases to be employed or providing services for any reason by the Company (the “Termination”) prior to a vesting date set forth in the Restricted Stock Unit Award Grant Notice, then as of the date on which the Participant’s employment or service terminates, all unvested RSUs shall immediately be forfeited to the Company and this Agreement shall terminate and be of no further force or effect. 
(c)    Notwithstanding the foregoing, if a “Change in Control Event” (as defined in that certain Employment Agreement by and between the Company and the Participant, dated as of January ___, 2016 (the “Employment Agreement”)) occurs and within one year of such Change in Control Event, the Participant’s employment is terminated by the Company (or any successor) with “Cause” (as defined in the Employment Agreement) or by the Participant for “Good Reason” (as defined in the Employment Agreement), all unvested RSUs shall vest effective as of the Termination Date (as defined in the Employment Agreement.

3.    Prohibitions on Transfer and Sale.  This Award (including any additional RSUs received by the Participant as a result of stock dividends, stock splits or any other similar transaction affecting the Company's securities without receipt of consideration) shall not be sold, assigned, transferred, pledged or otherwise encumbered by the Participant, either voluntarily or by operation of law, except by will or the laws of descent and distribution, and, during the lifetime of the participant.  This Award shall not be assigned, pledged or hypothecated in any way (whether by operation of law or otherwise) and shall not be subject to execution, attachment or similar process.  Any attempted transfer, assignment, pledge, hypothecation or other disposition of this Award or of any rights granted hereunder contrary to the provisions of this Section 3, or the levy of any attachment or similar process upon this Award shall be null and void.

4.    Securities Law Compliance.  The Participant specifically acknowledges and agrees that any sales of shares of Common Stock shall be made in accordance with the requirements of the Securities Act of 1933, as amended.  The Company currently has an effective registration statement on file with the Securities and Exchange Commission with respect to the Common Stock to be granted hereunder.  The Company intends to maintain this registration statement but has no obligation to do so.  If the registration statement ceases to be effective for any reason, Participant will not be able to transfer or sell any of the shares of Common Stock issued to the Participant pursuant to this Agreement unless exemptions from registration or filings under applicable securities laws are available.  Furthermore, despite registration, applicable securities laws may restrict the ability of the Participant to sell his or her Common Stock, including due to the Participant’s affiliation with the Company.  The Company shall not be obligated to either issue the Common Stock or permit the resale of any shares of Common Stock if such issuance or resale would violate any applicable securities law, rule or regulation.

5.    Rights as a Stockholder.  The Participant shall have no right as a stockholder, including voting and dividend rights, with respect to the RSUs subject to this Agreement.

6.    Incorporation of the Plan.  This Award, the RSUs and the shares of Common Stock to be issued under the Plan are subject to the provisions of the Plan (including the provisions relating 

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to amendments to the Plan), a copy of which is furnished to the Participant with this option.  The provisions of the Plan are incorporated herein by reference.

7.    Tax Liability of the Participant and Payment of Taxes.  The Participant acknowledges and agrees that any income or other taxes due from the Participant with respect to this Award or the shares of Common Stock to be issued pursuant to this Agreement or otherwise sold shall be the Participant’s responsibility.  Without limiting the foregoing, the Participant agrees that if under applicable law the Participant will owe taxes at each vesting date on the portion of the Award then vested the Company shall be entitled to immediate payment from the Participant of the amount of any tax or other amounts required to be withheld by the Company by applicable law or regulation. Any taxes or other amounts due shall be paid, at the option of the Company, as follows:

(a)    through reducing the number of shares of Common Stock entitled to be issued to the Participant on the applicable vesting date in an amount equal to the statutory minimum of the Participant’s total tax and other withholding obligations due and payable by the Company.  Fractional shares will not be retained to satisfy any portion of the Company’s withholding obligation.  Accordingly, the Participant agrees that in the event that the amount of withholding required would result in a fraction of a share being owed, that amount will be satisfied by withholding the fractional amount from the Participant’s paycheck; 

(b)    requiring the Participant to deposit with the Company an amount of cash equal to the amount determined by the Company to be required to be withheld with respect to the statutory minimum amount of the Participant’s total tax and other withholding obligations due and payable by the Company or otherwise withholding from the Participant’s paycheck an amount equal to such amounts due and payable by the Company; or  

(c)    if the Company believes that the sale of shares can be made in compliance with applicable securities laws, authorizing, at a time when the Participant is not in possession of material nonpublic information, the sale by the Participant on the applicable vesting date of such number of shares of Common Stock as the Company instructs a registered broker to sell to satisfy the Company’s withholding obligation, after deduction of the broker’s commission, and the broker shall be required to remit to the Company the cash necessary in order for the Company to satisfy its withholding obligation.  To the extent the proceeds of such sale exceed the Company’s withholding obligation the Company agrees to pay such excess cash to the Participant as soon as practicable.  In addition, if such sale is not sufficient to pay the Company’s withholding obligation the Participant agrees to pay to the Company as soon as practicable, including through additional payroll withholding, the amount of any withholding obligation that is not satisfied by the sale of shares of Common Stock. The Participant agrees to hold the Company and the broker harmless from all costs, damages or expenses relating to any such sale.  The Participant acknowledges that the Company and the broker are under no obligation to arrange for such sale at any particular price.  In connection with such sale of shares of Common Stock, the Participant shall execute any such documents requested by the broker in order to effectuate the sale of shares of Common Stock and payment of the withholding obligation to the Company.  The Participant acknowledges that this paragraph is intended to comply with Section 10b5-1(c)(1(i)(B) under the Exchange Act. 

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The Company shall not deliver any shares of Common Stock to the Participant until it is satisfied that all required withholdings have been made. 

8.    Participant Acknowledgements and Authorizations.  

The Participant acknowledges the following:

(a)    The Company is not by the Plan or this Award obligated to continue the Participant as an employee, officer, director, consultant or advisor of the Company.  

(b)    The Plan is discretionary in nature and may be suspended or terminated by the Company at any time.

(c)    The grant of this Award is considered a one-time benefit and does not create a contractual or other right to receive any other award under the Plan, benefits in lieu of awards or any other benefits in the future.

(d)     The Plan is a voluntary program of the Company and future awards, if any, will be at the sole discretion of the Company, including, but not limited to, the timing of any grant, the amount of any award, vesting provisions and the purchase price, if any.

(e)    The value of this Award is an extraordinary item of compensation outside of the scope of the Participant’s employment or consulting contract, if any.  As such the Award is not part of normal or expected compensation for purposes of calculating any severance, resignation, redundancy, end of service payments, bonuses, long-service awards, pension or retirement benefits or similar payments.  The future value of the shares of Common Stock is unknown and cannot be predicted with certainty.

(f)    The Participant (i) authorizes the Company and any agent of the Company administering the Plan or providing Plan recordkeeping services, to disclose to the Company such information and data as the Company shall request in order to facilitate the grant of the Award and the administration of the Plan; and (ii) authorizes the Company to store and transmit such information in electronic form for the purposes set forth in this Agreement.

9.    Notices.  Any notices required or permitted by the terms of this Agreement or the Plan shall be given by recognized courier service, facsimile, registered or certified mail, return receipt requested, addressed as follows:

If to the Company:

OvaScience, Inc.
Attn: Chief Financial Officer
9 Fourth Avenue

5

Waltham, MA 02451

If to the Participant at the address set forth on the Restricted Stock Unit Award Grant Notice or to such other address or addresses of which notice in the same manner has previously been given.  Any such notice shall be deemed to have been given on the earliest of receipt, one business day following delivery by the sender to a recognized courier service, or three business days following mailing by registered or certified mail.

10.    Assignment and Successors.

(a)    This Agreement is personal to the Participant and without the prior written consent of the Company shall not be assignable by the Participant otherwise than by will or the laws of descent and distribution.  This Agreement shall inure to the benefit of and be enforceable by the Participant’s legal representatives. 

(b)    This Agreement shall inure to the benefit of and be binding upon the Company and its successors and assigns. 

11.    Governing Law.  This Agreement shall be construed and enforced in accordance with the laws of the State of Delaware, without giving effect to the conflict of law principles thereof.  For the purpose of litigating any dispute that arises under this Agreement, whether at law or in equity, the parties hereby consent to exclusive jurisdiction in the Commonwealth of Massachusetts and agree that such litigation shall be conducted in the state courts of the Commonwealth of Massachusetts or the federal courts of the United States for the District of Massachusetts. 

12.    Entire Agreement.  This Agreement, together with the Plan, constitutes the entire agreement and understanding between the parties hereto with respect to the subject matter hereof and supersedes all prior oral or written agreements and understandings relating to the subject matter hereof.  No statement, representation, warranty, covenant or agreement not expressly set forth in this Agreement shall affect or be used to interpret, change or restrict the express terms and provisions of this Agreement provided, however, in any event, this Agreement shall be subject to and governed by the Plan.

13.    Modifications and Amendments; Waivers and Consents.  The terms and provisions of this Agreement may be modified or amended as provided in the Plan.  Except as provided in the Plan, the terms and provisions of this Agreement may be waived, or consent for the departure therefrom granted, only by written document executed by the party entitled to the benefits of such terms or provisions.  No such waiver or consent shall be deemed to be or shall constitute a waiver or consent with respect to any other terms or provisions of this Agreement, whether or not similar.  Each such waiver or consent shall be effective only in the specific instance and for the purpose for which it was given, and shall not constitute a continuing waiver or consent.

14.    Section 409A.  The Award of RSUs evidenced by this Agreement is intended to be exempt from the nonqualified deferred compensation rules of Section 409A of the Code as a “short 

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term deferral” (as that term is used in the final regulations and other guidance issued under Section 409A of the Code, including Treasury Regulation Section 1.409A-1(b)(4)(i)), and shall be construed accordingly.

[REMAINDER OF PAGE INTENTIONALLY LEFT BLANK]

7Exhibit

Exhibit 10.7

                                        
February 24, 2016

Paul Chapman

Dear Paul:

On behalf of OvaScience, Inc. (the “Company”), I am pleased to offer you employment with the Company.  The purpose of this letter is to summarize the terms of your employment with the Company, should you accept our offer.
1.    Employment.  You will be employed, effective on February 25, 2016, to serve on a full-time basis as Chief Operating Officer of the Company.  In this role, you will report to the Company’s Chief Executive Officer, and have such duties and responsibilities as are customary for such position, and as are otherwise assigned to you from time to time by the Chief Executive Officer.  You agree to devote your full business time, best efforts, skill, knowledge, attention, and energies to the advancement of the Company’s business and interests and to the performance of your duties and responsibilities as an employee of the Company and not to engage in any other business activities without prior approval from the Company.  Notwithstanding the foregoing, you may serve as a member of the board of directors of up to two (2) companies, provided that (a) such companies do not compete with the business of the Company, (b) such board activities have been disclosed in writing to and approved by the Company’s Board of Directors (the “Board”), and (c) such service, whether individually or in the aggregate, does not materially interfere or conflict with the performance of your duties and responsibilities as to the Company.

2.    Base Salary and Bonus.  Your base salary will be $35,416.66 per month ($425,000.00 on an annualized basis), subject to applicable taxes and withholdings and may be reviewed yearly at the sole discretion of the Board.  Please note that the annualized amount of your salary as described above is set forth as a matter of convenience, and shall not constitute or be interpreted as an agreement by the Company to employ you for any specific period of time.  In addition to your base salary, you will be eligible to receive an annual discretionary bonus award of up to fifty percent (50%) of your then current base salary. The bonus award, if any, will be determined by the Board or a committee thereof in its sole discretion, based on the Company achieving or exceeding certain sales targets, as determined by the Chief Executive Officer of the Company in consultation with the Board.  You understand and agree that whether you receive a bonus and the amount of any such bonus will be based on whether Company fails or achieve or achieves the aforementioned sales targets, as determined by the Board in its discretion.  To the extent that you earn any bonus hereunder, such bonus will be paid at the same time that bonuses are paid to other Company executives of similar rank and tenure, but in no event later than sixty-five (65) 

days following the end of the fiscal year in which it was earned.   To be eligible to receive any bonus hereunder, you must be employed by the Company on the last day of the fiscal year to which such bonus relates.   

3.    Retention Bonus.  The Company will pay you a retention bonus of $100,000.00, less applicable taxes and withholdings (the “Retention Bonus”), payable in equal installments as follows:  $25,000.00 shall be paid to you within fifteen (15) days following each of March 31, 2016, June 30, 2016, September 31, 2016 and December 31, 2016 (each a “Payment Date”).  Your eligibility to receive each installment of the Retention Bonus is expressly conditioned on your continued employment with the Company through the applicable Payment Dates. If your employment with the Company terminates, for any reason, prior to a Payment Date, you shall not be eligible or otherwise entitled to receive any further installment of the Retention Bonus schedules to be paid on a Payment Date following the termination of your employment.   

4.    Benefits.  You will be eligible to participate in any and all benefit programs that the Company establishes and makes available to its employees from time to time, provided you meet the specific eligibility criteria as set forth in (and subject to all provisions of) the plan documents governing those programs.  The benefits made available by the Company, and the rules, terms and conditions for participation in such benefit plans, may be changed by the Company at any time and from time to time without advance notice.

5.    Vacation.  You will be eligible to accrue up to a maximum of twenty-five (25) days of paid vacation per calendar year to be taken at such times as may be approved by the Company.  The number of vacation days for which you are eligible shall accrue at the rate of 2.08 days per month that you are employed during such calendar year, and shall be subject to the Company’s vacation policies and practices as in effect from time to time.   
6.    Equity.   
(a)    Subject to the approval of the Board (including a majority of the independent members of the Board) or Compensation Committee at the next regularly scheduled meeting, the Company will grant to you a non-qualified stock option (the "Option") for the purchase of an aggregate of 350,000 shares of Common Stock of the Company (subject to appropriate adjustments for stock splits, stock dividends, combinations, recapitalizations and similar transactions affecting the Common Stock of the Company after the date hereof) at a price per share equal to the closing sale price of the Common Stock on the Nasdaq Global Market on the date of grant, as an inducement material to you joining the Company, pursuant to Rule 5635(c)(4) of the Nasdaq Listed Company Manual. The Option shall be subject to all terms, vesting schedules and other provisions set forth in a separate option agreement. The 

Option will have a term of ten (10) years except as set forth in the stock option agreement and shall be subject to a vesting schedule of four (4) years, with 25% of the shares vesting on the first anniversary of your employment start date and 6.25% of the shares vesting each quarter thereafter. Notwithstanding anything to the contrary in the stock option agreement, if your employment is terminated by the Company (or any successor) without “Cause” (as defined on Exhibit A) or if a “Change in Control Event” (as defined on Exhibit A attached hereto) occurs and, within one (1) year of such Change in Control Event, your employment is terminated by the Company (or any successor) without “Cause” (as defined on Exhibit A) or by you for “Good Reason” (as defined on Exhibit A), then the vesting schedule of the Option shall be accelerated in full. You may be eligible to receive future equity grants as the Board shall deem appropriate and in its sole and absolute discretion.

(b)    If you remain employed by the Company, at the first regularly scheduled meeting of the Board or the Compensation Committee (whichever occurs first) in 2017, the Company will grant to you, subject to the sole discretion of the Compensation Committee or the Board, a stock option (the "2017 Performance Option") under the Company's 2012 Stock Incentive Plan (the "Plan") for the purchase of that number of shares of common stock of the Company (up to a maximum of 120,000 shares) equal to that percentage (up to a maximum of 120%) of 100,000 shares equal to the percentage achievement of the applicable performance objectives for fiscal year 2016 (the "2016 Performance Objectives") as determined by the Compensation Committee or the Board in its sole discretion; provided, however, that if your achievement of the 2016 Performance Objectives is less than 80%, you will not be entitled to receive a 2017 Performance Option.

(c)    If you remain employed by the Company, at the first regularly scheduled meeting of the Board or the Compensation Committee (whichever occurs first) in 2018, the Company will grant to you, subject to the sole discretion of the Compensation Committee or the Board, a stock option (the "2018 Performance Option") under the Company's 2012 Stock Incentive Plan (the "Plan") for the purchase of that number of shares of common stock of the Company (up to a maximum of 90,000 shares) equal to that percentage (up to a maximum of 120%) of 75,000 shares equal to the percentage achievement of the applicable performance objectives for fiscal year 2017 (the "2017 Performance Objectives") as determined by the Compensation Committee or the Board in its sole discretion; provided, however, that if your achievement of the 2017 Performance Objectives is less than 80%, you will not be entitled to receive a 2018 Performance Option.

(d)    Subject to approval by the Compensation Committee or the Board, the 2017 Performance Option and the 2018 Performance Option (the "Performance Options"), if any, shall be (i) made up of incentive stock options to the extent legally permissible, and otherwise shall be nonstatutory stock options, (ii) subject to all terms of the Plan and a separate option agreement, and (iii) subject to a vesting schedule of four (4) years, with 25% of the shares 

vesting on the first anniversary of the grant date and 6.25% of the shares vesting each quarter thereafter. The per share exercise price of the Performance Options, if any, shall be the fair market value (under the Plan) of a share of common stock as of the date of the grant. Notwithstanding the foregoing, the grant of the Performance Options shall be subject to the availability of shareholder approved shares for the Plan and Board approval.

7.    Severance Benefits Upon Termination by the Company Without “Cause” or by you for “Good Reason”.  If the Company terminates your employment without Cause (as defined on Exhibit A attached hereto) or you terminate your employment for Good Reason (as defined on Exhibit A), you shall be eligible to receive the following severance benefits:  (a) severance pay in an amount equal to nine (9) months of your base salary as in effect at the time of your termination, payable in accordance with the Company’s regular payroll procedures proportionately over a nine (9) month period following the termination of your employment (such period, the “Severance Period”); provided that, if you commence any employment substantially similar to your employment hereunder (based upon responsibility and compensation) during the Severance Period, your severance amount shall be reduced such that the number of months of severance pay to which you will be entitled shall be equal to that number of months between the date your employment with the Company terminates and the date you commence such new employment; and (b) should you be eligible for and elect to continue receiving group medical and dental insurance coverage under the law known as COBRA, the Company shall continue to pay on your behalf that portion of the monthly premiums for such coverage that it pays for active and similarly situated employees receiving the same type of coverage, through the earlier of (x) the last day of the Severance Period, or (y) the date that you become eligible for group health and/or dental insurance coverage from any new employer; provided that, if the Company determines that the payment of the premiums due under subsection 7(b) would reasonably be expected to result in the imposition of any excise taxes on the Company for failure to comply with the nondiscrimination requirements of the Patient Protection and Affordable Care Act of 2010, as amended, (the “Act”), this payment will be treated as a taxable payment, subject to imputed income tax to the extent necessary to eliminate any discriminatory treatment or taxation under the Act.  No severance pay or other benefit hereunder shall be provided to you unless, within sixty (60) days following the date that your employment is terminated, you first execute and do not revoke a separation agreement in a form prepared by and acceptable to the Company, which shall include, at a minimum, a full release of all claims against the Company (as well as its parents, subsidiaries and affiliates, and its and their, executives, officers, directors, employees, consultants, agents, shareholders, and assigns), as well as non-disparagement and confidentiality provisions in favor of the Company (the “Separation 

Agreement”).  The severance payments shall commence on the first payroll period following the date the Separation Agreement becomes effective (the “Payment Date”).  Notwithstanding the payment requirements set forth in the immediately preceding sentence, if the sixty (60) day period following the date your separation from service begins in one tax year and ends in the following tax year, the Company will commence payment on the next regular payroll date following the later of January 1 of the second tax year and the date the Separation Agreement becomes enforceable and no longer subject to revocation.  The first such payment will include a catch-up payment equal to all amounts you otherwise would have received under subsection 7(a) prior to the first payment.  The distribution of any severance payments shall be subject to the provisions of Exhibit B attached hereto. 
8.    Notices.  Any purported termination of employment by the Company for Cause or by you for Good Reason shall be communicated to the other party through written notice, indicating the specific grounds for such termination.  Such notice, and all other communications which are required or may be given pursuant to the terms of this letter, shall be sufficient in all respects if given in writing and shall be deemed given (i) if delivered personally, on the date of delivery, (ii) if mailed by certified or registered mail, return receipt requested and postage prepaid, three (3) days after the mailing date, (iii) if sent via a nationally recognized overnight courier, on the next business day thereafter, or (iv) if sent via facsimile confirmed in writing to the recipient, or via email, on the next business day thereafter, in each case, if to the Company, at the Company’s principal place of business, and if to you at the most recent home address (and/or, as applicable, the most recent personal email address) which you have provided to the Company or to such other address or addresses as either party shall have designated in writing to the other party.

9.    Invention, Non-Disclosure, Non-Competition and Non-Solicitation.  As a condition of your employment with the Company, you will be required to execute an Invention and Non-Disclosure Agreement and a Non-Competition and Non-Solicitation Agreement in the forms attached as Exhibit C and Exhibit D.  
10.    Other Agreements.  You represent that you are not bound by any employment contract, restrictive covenant or other restriction preventing you from entering into employment with or carrying out your responsibilities for the Company, or which is in any way inconsistent with the terms of this letter.
11.    Proof of Legal Right to Work.  You agree to provide to the Company, within three (3) days of your hire date, documentation of your eligibility to work in the United States, as required by the Immigration Reform and Control Act of 1986.  If you need to obtain a work visa in order to be eligible to work in the United States, your employment 

with the Company will be conditioned upon your obtaining a work visa in a timely manner as determined by the Company.
12.    At-Will Employment.  This letter shall not be construed as an agreement, either express or implied, to employ you for any stated term, and shall in no way alter the Company’s policy of employment at will, under which both you and the Company remain free to terminate the employment relationship for any reason or no reason, with or without cause, at any time, with or without notice.  Similarly, nothing in this letter shall be construed as an agreement, either express or implied, to pay you any compensation or grant you any benefit beyond the end of your employment with the Company, except as explicitly set forth in section 7 hereof. 
13.    Company Policies and Procedures.  As an employee of the Company, you will be required to comply with all Company policies and procedures.  Further, the Company’s premises, including all workspaces, furniture, documents and other tangible materials, and all information technology resources of the Company (including, but not limited to, computers, data and other electronic files, and all internet and e-mail systems) are subject to oversight and inspection by the Company at any time.  Company employees should have no expectation of privacy with regard to any Company premises, materials, resources or information.

This offer letter, and the Exhibits specifically referenced herein, constitute the entire offer regarding the terms and conditions of your prospective employment with the Company.  It supersedes any prior agreements, or other promises or statements (whether oral or written) regarding the offered terms of employment.  The resolution of any disputes under this letter or related to your employment with or separation of employment from the Company shall be governed by Massachusetts law.  By accepting this offer of employment, you agree that any action, demand, claim or counterclaim in connection with any aspect of your employment with the Company, or any separation of employment (whether voluntary or involuntary) from the Company, shall be resolved in a court of competent jurisdiction in Massachusetts by a judge alone, and you waive and forever renounce your right to a trial before a civil jury.  This offer letter shall be binding upon and shall inure to the benefit of the parties and their respective successors.  You shall be indemnified pursuant to any Company D&O insurance policies and/or by-laws to the same extent as similarly situated Company employees.    

If this Agreement correctly sets forth the terms under which you will be employed by the Company, please sign in the space provided below and return it to me.
Paul, we are very excited to have you join the team and are confident that you will make significant contributions toward our success.

Very truly yours,

OVASCIENCE, INC.

By: /s/ Jeffrey Young___________________
            Jeffrey Young
Chief Financial Officer

The foregoing correctly sets forth the terms of my at-will employment with OvaScience, Inc.  I am not relying on any representations other than as set forth above.

/s/ Paul Chapman ________________            Date: February 24, 2016 
Paul Chapman

Exhibit A
Definitions
“Cause” for termination shall be deemed to exist upon: 
 

		
	(A) 
	a good faith finding by the Company of failure of or refusal by the employee to perform his or her duties and responsibilities to the Company, which is not cured, to the extent susceptible to cure, within fifteen (15) days after the Company has given written notice to the employee describing the grounds for termination;  

		
	(B)
	a good faith finding by the Company that the employee has engaged in dishonesty, gross negligence or misconduct, which dishonesty, gross negligence or misconduct has caused harm or damage to the business, affairs or reputation of the Company; 

		
	(C) 
	the commission by the employee of, the conviction of the employee of, or the entry of a pleading of guilty or nolo contendere by the employee to any crime involving moral turpitude or any felony; or 

		
	(D) 
	a breach by the employee of any provision of any invention and non-disclosure agreement or non-competition and non-solicitation agreement with the Company, which breach is not cured within ten (10) days written notice thereof.

A “Change in Control Event” shall be deemed to exist upon the sale of all or substantially all of the outstanding shares of capital stock, assets or business of the Company, by merger, consolidation, sale of assets or otherwise (other than a transaction in which all or substantially all of the individuals and entities who were beneficial owners of the capital stock of the Company immediately prior to such transaction beneficially own, directly or indirectly, more than 50% of the outstanding securities (on an as-converted to Common Stock basis) entitled to vote generally in the election of directors of the (i) resulting, surviving or acquiring corporation in such transaction in the case of a merger, consolidation or sale of outstanding shares, or (ii) acquiring corporation in the case of a sale of assets); provided that, in each of the foregoing cases, the Change in Control Event also meets all of the requirements of a “change in the ownership of a corporation” within the meaning of Treasury Regulation §1.409A-3(i)(5)(v) or “a change in the ownership of a substantial portion of the corporation’s assets” within in the meaning of Treasury Regulation §1.409A-3(i)(5)(vii).
“Good Reason” shall be deemed to exist upon:  

		
	(A) 
	the relocation of the Company’s offices such that the employee’s daily commute is increased by at least forty (40) miles each way without the consent of the employee; 

		
	(B) 
	material reduction of the employee’s annual base salary without the prior consent of the employee (other than in connection with, and substantially proportionate to, reductions by the Company of the annual base salary of more than 50% of its employees); or 

		
	(C) 
	material diminution in employee’s duties, authority or responsibilities without the prior consent of the employee, other than changes in duties, authority or responsibilities resulting from the employee’s misconduct; 

provided, however, that (i) no such event or condition shall constitute Good Reason unless (x) the employee gives the Company a written notice of termination for Good Reason not more than ninety (90) days after the initial existence of the condition, (y) the grounds for termination if susceptible to correction are not corrected by the Company within thirty (30) days of its receipt of such notice and (z) the employee’s termination of employment occurs within six months following the Company’s receipt of such notice; and (ii) at all times “Good Reason” will be interpreted in a manner consistent with the definition of “good reason” within the meaning of Section 409A (as defined below).

Exhibit B

Payments Subject to Section 409A

1.     Subject to this Exhibit B, payments or benefits during the Severance Period under this offer letter (“Severance Payments”) shall begin only upon the date of your “separation from service” (determined as set forth below) which occurs on or after the termination of your employment.  The following rules shall apply with respect to distribution of the Severance Payments, as applicable:

		
	(a)
	It is intended that each installment of the Severance Payments shall be treated as a separate “payment” for purposes of Section 409A of the Code and the guidance issued thereunder (“Section 409A”).  Neither the Company nor you shall have the right to accelerate or defer the delivery of any such Severance Payments except to the extent specifically permitted or required by Section 409A.

		
	(b)
	If, as of the date of your “separation from service” from the Company, you are not a “specified employee” (within the meaning of Section 409A), then each installment of the Severance Payments shall be made on the dates and terms set forth in the offer letter.

		
	(c)
	If, as of the date of your “separation from service” from the Company, you are a “specified employee” (within the meaning of Section 409A), then:

		
	(i)
	Each installment of the Severance Payments due under the offer letter that, in accordance with the dates and terms set forth herein, will in all circumstances, regardless of when your separation from service occurs, be paid within the Short-Term Deferral Period (as defined under Section 409A) shall be treated as a short-term deferral within the meaning of Treasury Regulation Section 1.409A-1(b)(4) to the maximum extent permissible under Section 409A and shall be made on the dates and terms set forth in the offer letter; and

		
	(ii)
	Each installment of the Severance Payments due under the offer letter that is not described in this Exhibit B, Section 1(c)(i) and that would, absent this subsection, be paid within the six-month period following your “separation from service” from the Company shall not be paid until the date that is six months and one day after such separation from service (or, if earlier, your death), with any such installments that are required to be delayed being accumulated during the 

six-month period and paid in a lump sum on the date that is six months and one day following your separation from service and any subsequent installments, if any, being paid in accordance with the dates and terms set forth herein; provided, however, that the preceding provisions of this sentence shall not apply to any installment of Severance Payments if and to the maximum extent that that such installment is deemed to be paid under a separation pay plan that does not provide for a deferral of compensation by reason of the application of Treasury Regulation 1.409A-1(b)(9)(iii) (relating to separation pay upon an involuntary separation from service).  Any installments that qualify for the exception under Treasury Regulation Section 1.409A-1(b)(9)(iii) must be paid no later than the last day of your second taxable year following the taxable year in which the separation from service occurs.

2.    The determination of whether and when your separation from service from the Company has occurred shall be made in a manner consistent with, and based on the presumptions set forth in, Treasury Regulation Section 1.409A-1(h).  Solely for purposes of this Exhibit B, Section 2, “Company” shall include all persons with whom the Company would be considered a single employer under Section 414(b) and 414(c) of the Code.

3.    All expense reimbursements shall be paid as soon as administratively practicable.  If an expense reimbursement or provision of in-kind benefit is not exempt from Section 409A of the Code, the following rules apply: (i) in no event shall any reimbursement be paid after the last day of the taxable year following the taxable year in which the expense was incurred; (ii) the amount of reimbursable expenses incurred or provision of in-kind benefits in one tax year shall not affect the expenses eligible for reimbursement or the provision of in-kind benefits in any other tax year; and (iii) the right to reimbursement for expenses or provision of in-kind benefits is not subject to liquidation or exchange for any other benefit.

4.     The Company makes no representation or warranty and shall have no liability to you or to any other person if any of the provisions of the offer letter (including this Exhibit) are determined to constitute deferred compensation subject to Section 409A but that do not satisfy an exemption from, or the conditions of, that section.

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