Document:

EX-10.17

 Exhibit 10.17 

EMPLOYMENT AGREEMENT 

THIS EMPLOYMENT AGREEMENT (“Agreement”) is made and entered into on May 7, 2017 (the “Effective Date”),
by and between Zai Lab (Hong Kong) Ltd., a limited company incorporated under the laws of Hong Kong whose registered office is at Room 1902, 19/F, Lee Garden One, 33 Hysan Avenue, Causeway Bay, Hong Kong (the “Company”), and Harald
Reinhart, an individual (the “Employee”) whose mailing address is #### ### ######, ##### #####, ###### and whose United States of America passport number is #########. 

RECITALS 
 The Company is
engaged in the business of researching, developing, manufacturing, commercialization of drug products in the pharmaceutical industry, including and without limitation to sales and marketing of both small molecule and large molecule therapeutics (the
“Business Of The Company”), and the Employee is qualified to engage in providing such services contemplated under this Agreement. 

AGREEMENT 
 NOW,
THEREFORE, in consideration of the promises and the respective covenants and agreements of the parties, and for good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged, the parties agree as follows: 

1. EMPLOYMENT. From the Effective Date and throughout the time for which the Employee’s employment under this Agreement is not
terminated, the Company agrees to continue the employment of the Employee and the Employee agrees to continue employment with the Company. 

1.1. Employment by Company. The Company agrees to employ the Employee as its Chief Medical Officer – Infectious Diseases, to
render such services and to perform such duties and responsibilities as are normally associated with and inherent in the aforementioned role and the capacity in which the Employee is employed, as well as such other duties and responsibilities as
shall from time to time be assigned to the Employee by the Chief Executive Officer of the Company, with the understanding that the Employee will report directly to the Chief Executive Officer of the Company. Acceptance of Employment. The
Employee accepts such employment set out in Section 1.1 and agrees to faithfully perform and render the services required of the Employee under this Agreement. Except for reasonable vacations, absences due to temporary
illness, and activities that may be mutually agreed to by the parties, the Employee shall devote at least 2 (two) days per week on Company related matters, and additional hours as may be reasonably required for the discharge of his duties to the
Business Of The Company and the performance of the Employee’s duties and responsibilities under this Agreement 
 1.2. Positions
with Subsidiaries. If requested by the Company and agreed upon by the Employee, the Employee agrees to serve without additional compensation if elected, nominated or appointed as an officer and/or director of the Company and any of the
subsidiaries or affiliates of the Company and in one or more executive offices of any of the subsidiaries of the Company, provided that the Employee is indemnified for serving in any and all such capacities pursuant to the indemnity provisions set
forth in the bylaws of such subsidiaries and/or affiliates. 
 1.3. Conflicts of Interest. The Employee has reviewed with the board
of directors of the Company (the “Board”) the present directorships, ownership (legal and beneficial, direct and indirect) interests and other positions or roles held by the Employee or his associate(s) in all such

 
business organizations or arrangements which may be directly competitive or directly in conflict with the Company. The Employee agrees to review with the Board any potential directorships,
ownership (legal and beneficial, direct and indirect) interests and other positions or roles with business organizations or arrangements which may be directly competitive or directly in conflict with the Company. Except with respect to the
Employee’s affiliation with Allphase Pharma Consulting, LLC, as set forth in Schedule 1 to this Agreement, the Employee or his associate(s) is precluded from owning an interest (legal and beneficial, direct and indirect) in another company or
serving as an employee, director, consultant, advisor or member of such another company that may be directly competitive or directly in conflict with the Company until such interest is presented to the Board and the Board consents to such interest
or employment. The Company further acknowledges and agrees that, subject to the prior written approval by a majority of the Board (which majority shall exclude the Employee if the Employee is a then current member of the Board) and consistent with
the terms of the Compliance Agreement (as defined below), the Employee may serve on the boards of directors and advisory boards of other companies which is not in direct competition or not in direct conflict with the Company provided that such
service does not interfere with the performance of the Employee’s duties hereunder. 
 2. PLACE OF PERFORMANCE. The Employee shall performance
services on a remote basis, with the understanding that the Company may require that the Employee travel in furtherance of the Business Of The Company to the extent necessary and/or substantially consistent with the then present business travel
obligations of employees at substantially the same service level as the Employee, which will include periodic trips to the Company’s headquarters in Shanghai, China. 

3. COMPENSATION BENEFITS AND EXPENSE REIMBURSEMENTS. 

3.1 Base Salary. In consideration for the agreement of the Employee to be employed under this Agreement, the Employee shall receive from
the Company an annual base salary (“Base Salary”) of US$250,000, with the understanding that up to forty percent (40%) of the Base Salary may be paid by a subsidiary of the Company or Zai Lab Limited. This Base Salary, and all other
compensation and reimbursement under the Agreement, may be provided through a human resources service organization, and will be payable in such installments as are applicable to employees of the Company at substantially the same service level as the
Employee. The Base Salary to be paid to the Employee will be subject to reduction for payroll tax withholdings legally required (if any) or such other reductions properly and reasonably requested by the Employee. The Company shall pay such Base
Salary in arrears on the last working day (Monday to Friday) of each month in accordance with the standard payroll procedures of the Company. The Employee’s Base Salary will be subject to review, with the understanding that adjustments will be
made (i) at the reasonable discretion of the CEO if the Employee’s regularly devotes more than two to three days per week on Company related matters and (ii) based upon the Company’s normal annual performance review practices.

 3.2 Stock Options. Subject to the approval of the Board, the Employee shall be granted an option to purchase 400,000 ordinary
shares of the Company (the “Option”) at an exercise price equal to the fair market value of the Company’s common stock on the date of grant in accordance with the Zai Lab, Ltd. Stock Option Plan (the “Plan”),
with the understanding that such exercise price will likely be no less than US$0.50 per share. The Option so granted shall vest in accordance with the vesting schedule set out in the Option Agreement (as defined below). The Option will be subject to
the terms, definitions and provisions of the Plan and the stock option agreement by and between the Employee and the Company (the “Option Agreement”), both of which documents are incorporated herein by reference. The Employee may be
awarded, at the recommendation of the CEO and upon the approval of the Board, additional equity incentive arrangements in the event that the Employee regularly devotes more than two to three days per week on Company related matters. 

  

SIGNATURE PAGE OF EMPLOYMENT AGREEMENT 

 3.3 Bonus. At the conclusion of each calendar year during the time for which the
Employee’s employment under this Agreement is not terminated (the “Employment Period”), the Employee may be entitled to receive an annual bonus, the amount of which shall be determined by the Board in its discretion and shall
be consistent with the cash incentive programs of the Company as applied to other senior executive officers of the Company, subject to appropriate adjustment for the part-time service provided by the Employee. 

3.4 Fringe Benefits. During the Employment Period, the Employee will be entitled to the fringe benefits that are made available to
employees of the Company of similar seniority and such other benefits as are determined by the Board, in its sole and exclusive discretion. 

3.5 Reimbursements. During the Employment Period, the Employee will be reimbursed, in accordance with the practice applicable to
employees of the Company from time to time, for all reasonable traveling expenses (with the understanding that the Employee will be entitled to business class air travel for long-haul international flights of greater than five (5) hours in
duration) and other disbursements incurred by him for or on behalf of the Company in the performance of his duties hereunder upon presentation by the Employee of appropriate vouchers. 

3.6 Deductions. Recognizing that the Employee is an employee for all purposes, the Company shall deduct from any compensation payable
to the Employee the sums which the Company is required by law to deduct, including, but not limited to, government state withholding taxes, social security taxes and state disability insurance and mandatory provident funds, and the Company shall pay
any amounts so deducted to the applicable governmental entities and agents entitled to receive such payments. 
 4. INVOLUNTARY TERMINATION. 

4.1 Disability. If the Employee dies, then the Employee’s employment by the Company hereunder shall automatically terminate on the
date of the Employee’s death. If the Employee is incapacitated or disabled by accident, sickness or otherwise so as to render him mentally or physically incapable of performing the services required to be performed by him under this Agreement
for a period of ninety (90) consecutive days or longer, or for ninety (90) days during any six (6) month period (such condition being herein referred to as “Disability”), the Company, at its option, may terminate the
Employee’s employment under this Agreement immediately upon giving him notice to that effect. In the case of a Disability, until the Employee becomes eligible for disability income under the Company’s disability income insurance (if any)
or until the Company shall have terminated the Employee’s service in accordance with the foregoing, whichever shall first occur, the Employee will be entitled to receive compensation, at the rate and in the manner provided in
Section 3, notwithstanding any such physical or mental disability. Termination pursuant to this Section 4 is hereinafter referred to as an “Involuntary Termination”. 

4.2 Substitution. The Board may designate another employee to act in the Employee’s place during any period of Disability suffered
by the Employee during the Employment Period. Notwithstanding any such designation, the Employee shall continue to receive the Employee’s Base Salary and benefits in accordance with Section 3 of this Agreement until
the Employee becomes eligible for disability income under the Company’s disability income insurance (if any) or until the termination of the Employee’s employment, whichever shall first occur. 

  

SIGNATURE PAGE OF EMPLOYMENT AGREEMENT 

 4.3 Disability Income Payments. While receiving disability income payments under the
Company’s disability income insurance (if any), the Employee shall not be entitled to receive any Base Salary under Section 3.1, but shall continue to participate in all other compensation and benefits in accordance
with Sections 3.3 until the date of the Employee’s termination of employment. 
 4.4 Verification of Disability. If any
question shall arise as to whether during any period the Employee is disabled through any illness, injury, accident or condition of either a physical or psychological nature so as to be unable to perform substantially all of the Employee’s
duties and responsibilities hereunder, the Employee may, and at the request of the Company shall, submit to a medical examination by a physician selected by the Company to whom the Employee or the Employee’s guardian has no reasonable objection
to determine whether the Employee is so disabled and such determination shall for the purposes of this Agreement be conclusive of the issue. If such question shall arise and the Employee shall fail to submit to such medical examination, the
Company’s determination of the issue shall be binding on the Employee. 
 5. TERMINATION FOR CAUSE BY THE COMPANY. The Company, on
recommendation from the Board, may terminate the employment of the Employee hereunder at any time during the Employment Period for “Cause” (such termination being hereinafter referred to as a “Termination for Cause”) by
giving the Employee notice of such termination, upon the giving of which such termination shall take effect immediately. For the purpose of this Section 5, “Cause” means any one of the following grounds:

  

	 	(i)	repeated drunkenness or use of illegal drugs which adversely interferes with the performance of the Employee’s obligations and duties in the Company; 

 

	 	(ii)	the Employee’s conviction of a felony, or any crime involving fraud or misrepresentation or violation of applicable securities laws; 

 

	 	(iii)	gross mismanagement by the Employee of the business and affairs of the Company or any subsidiary of the Company which directly results in a material loss to the Company and for which the Company has reasonable proof was
committed by the Employee; 

  

	 	(iv)	material violation of any material terms of this Agreement or the Compliance Agreement (as defined below); or 

  

	 	(v)	a conclusive finding by an independent fact finder appointed by the Board for any willful misconduct, dishonesty or acts of moral turpitude by the Employee which is materially detrimental to the interests and well-being
of the Company and its subsidiaries, including, without limitation, harm to its business or reputation. 

 6. TERMINATION WITHOUT CAUSE BY
THE COMPANY. The Company, on recommendation from the Board, may terminate the employment of the Employee hereunder at any time during the Employment Period without “Cause” (such termination being hereinafter called a
“Termination Without Cause”) by giving the Employee notice of such termination. The termination of service under this Section 6 will take effect upon the giving of reasonable advance notice of not less than
thirty (30) calendar days. 

  

SIGNATURE PAGE OF EMPLOYMENT AGREEMENT 

 7. TERMINATION BY THE EMPLOYEE. 

7.1 Without Good Reason. Any termination of the employment of the Employee hereunder other than as a result of an Involuntary
Termination, a Termination For Cause, a Termination Without Cause or a Termination for Good Reason will be referred to hereinafter as a “Voluntary Termination”. A Voluntary Termination will be deemed to be effective following
reasonable notice by the Employee of not less than thirty (30) calendar days. 
 7.2 With Good Reason. The Employee may
terminate his services hereunder at any time for Good Reason (as defined below) by giving the Company written notice of such termination, provided that such notice specifies: (i) the basis for termination and (ii) the effective date of
termination (such termination being hereinafter referred to as a “Termination for Good Reason”). For purposes of this Agreement, the term “Good Reason” shall mean (a) any material diminution of the
Employee’s duties or responsibilities hereunder (except in each case in connection with the Termination for Cause or pursuant to Section 4.1) or the assignment to the Employee of duties or responsibilities that are
materially inconsistent with the Employee’s then current position; or (b) any material breach of the Agreement by the Company which is not cured within ten (10) business day days after written notice thereof is given to the Company.

 8. EFFECT OF TERMINATION ON SERVICES. 

8.1 Voluntary Termination or a Termination for Cause. Upon the termination of the Employee’s employment hereunder pursuant to a
Voluntary Termination or a Termination for Cause, neither the Employee nor his beneficiary or estate will have any further rights or claims against the Company, its affiliates, or its subsidiaries under this Agreement except to receive: 

 

	 	(i)	the unpaid portion of the Base Salary provided for in Section 3.1, computed on a pro rata basis up to (and including) the effective date of such termination; and 

 

	 	(ii)	reimbursement for any expenses for which the Employee shall not have theretofore been reimbursed as provided in Section 3.5. 

8.2 Involuntary Termination. Upon the termination of the Employee’s employment hereunder pursuant to an Involuntary Termination,
neither the Employee nor his beneficiary or estate will have any further rights or claims against the Company, its affiliates or its subsidiaries under this Agreement except to receive: 

 

	 	(i)	a termination payment equal to that provided for in Section 8.1(i) hereto; 

  

	 	(ii)	an aggregate amount equal to the Base Salary and fringe benefits for one (1) month, payable from the effective date of such termination in accordance with the Company’s normal payroll policies and at the same
rate and in the same manner as set forth in Sections 3.1 and 3.4 hereof, plus any additional compensation as may be expressly required under applicable law; and 

 

	 	(iii)	reimbursement for any expenses for which the Employee shall not have theretofore been reimbursed as provided in Section 3.5. 

8.3 Other Terminations. Upon the termination of the Employee’s employment hereunder pursuant to a Termination Without Cause or a
Termination for Good Reason, neither the Employee nor his beneficiary or estate will have any further rights or claims against the Company, its affiliates or its subsidiaries under this Agreement except to receive: 

 

	 	(i)	a termination payment equal to that provided for in Section 8.1(i) hereto; 

  

SIGNATURE PAGE OF EMPLOYMENT AGREEMENT 

	 	(ii)	an aggregate amount equal to the Base Salary and fringe benefits (i) for one (1) month if such termination occurs prior to the third (3rd) anniversary of
the Effective Date, or (ii) for three (3) months if such termination occurs on or following the third (3rd) anniversary of the Effective Date, (in either case, such one (1) month or
three (3) months, the “Severance Period”), payable from the effective date of such termination in accordance with the Company’s normal payroll policies and at the same rate and in the same manner as set forth in
Sections 3.1 and 3.4 hereof, plus any additional compensation as may be expressly required under applicable law; and 

  

	 	(iii)	reimbursement for any expenses for which the Employee shall not have theretofore been reimbursed as provided in Section 3.5. 

8.4 Release. The parties acknowledge and agree that damages which will result to the Employee for termination by the Company without
Cause or other breach of this Agreement by the Company shall be extremely difficult or impossible to establish or prove, and agree that the payments made to the Employee during the Severance Period shall constitute liquidated damages for any breach
of this Agreement by the Company through the date of termination. The Employee agrees that, except for such other payments and benefits to which the Employee may be entitled as expressly provided by the terms of this Agreement or any applicable
benefit plan, such liquidated damages shall be in lieu of all other claims that the Employee may make by reason of termination of her/his employment or any such breach of this Agreement and that, as a condition to receiving payments during the
Severance Period, the Employee will execute a release of claims in a form reasonably satisfactory to the Company. 
 8.5 Conditions to
Receipt of Severance. The receipt of any severance pursuant to Section 8.3 will be subject to the Employee signing and not revoking a separation agreement and release of claims in a form reasonably satisfactory to the
Company and provided that such separation agreement and release of claims becomes effective and irrevocable no later than sixty (60) days following the termination date (such deadline, the “Release Deadline”). If the release of
claims does not become effective by the Release Deadline, the Employee will forfeit any rights to severance or benefits under this Agreement. In no event will severance payments or benefits be paid or provided until the release of claims becomes
effective and irrevocable. 
 9. CONFIDENTIAL INFORMATION. 

9.1 Ownership of Information. The Employee acknowledges and agrees that the Company has expended and plans to continue to expend
substantial sums in the development, acquisition and use of the following information, and the following information, whether in oral, written, graphic or machine-readable form, is conclusively a trade secret owned by the Company: (i) the work
product resulting from or related to the services performed under this Agreement; (ii) the computer software of the Company, including documentation; (iii) the buying habits and practices of the purchasing agents and customers of the
Company; (iv) the details of the contractual relationship between the Company and employees, suppliers and customers of the Company; (v) the marketing methods and related data of the Company; (vi) the identity of the vendors and
suppliers of the Company; (vii) the costs of the labor and materials used by the Company; (viii) the compensation paid to and other terms of employment of the employees, agents and independent contractors of the Company; (ix) the
operational methods and procedures of the Company; (x) the routing lists of the Company; (xi) the financial statements and records of the Company; and (xii) the type, nature and amount purchased from the Company by customers of the
Company (collectively, the “Trade Secrets”). The Employee agrees that all information, knowledge, including any source code, object code, enhancements and modifications, all files, 

  

SIGNATURE PAGE OF EMPLOYMENT AGREEMENT 

 
including input and output materials, all documentation related to such programs and files, all media upon which any such computer programs, files and documentation are located (including tapes,
disks, and other storage media), records, customer lists, know-how, Trade Secrets, trademarks and other proprietary information related to the Company is and shall be the property of the Company and, as such,
is confidential and proprietary to the Company (collectively, the “Confidential Information”). 
 9.2 Protection of
Information. The Employee agrees: (i) without limiting the other provisions of this Section 9.2, to use at least the same degree of care with the Confidential Information as the Employee uses with respect to
similar confidential information owned by the Employee; (ii) to exercise diligence in maintaining in strict confidence and not disclosing, releasing or permitting the disclosure of the Confidential Information; (iii) not to use such
Confidential Information, regardless of how it is obtained by the Employee, for the benefit of the Employee or other than for the performance of the obligations of the Employee under this Agreement; (iv) not to remove any copyright or
proprietary rights notice attached to or included in any Confidential Information; (v) to advise the Company in writing if the Employee learns of any use or disclosure of Confidential Information by any current or former employee or consultant;
and (vi) that the unauthorized disclosure or misuse of such Confidential Information could irreparably damage the Company and/or third parties dealing with the Company. 

9.3 Limitations of Confidentiality. Notwithstanding anything in this Agreement to the contrary, the Employee shall have no liability or
obligation with regard to any Confidential Information which: (i) was publicly known and generally available in the public domain at the time it was disclosed to a third party or becomes publicly known and generally available in the public
domain through no fault of the Employee; (ii) is disclosed to a third party with the prior written approval of the Company; (iii) becomes known to the Employee through a source other than the Company without breach of this Agreement by the
Employee and is otherwise not in violation of the rights of the Company and such other source is not disclosing the Confidential Information in breach of any similar obligations to the Company; (iv) is disclosed to a third party by the Company
without restrictions similar to those contained in this Agreement; or (v) is disclosed to a third party pursuant to the order or requirement of a court, administrative agency or other governmental body provided that (A) the Employee will,
prior to the disclosure, provide the Company with prompt written notice of such order or requirement, if legally permissible, and will use its best efforts to assist the Company in seeking a protective order or another appropriate remedy,
(B) if the Company waives the Employee’s compliance with this Agreement or fails to obtain a protective order or other appropriate remedy, the Employee will furnish only that portion of the Confidential Information that is legally required
to be disclosed and (C) any Confidential Information so disclosed shall maintain its confidentiality protection for all purposes other than in respect of such legally compelled disclosure. 

10. COMPLIANCE AGREEMENT. As a pre-condition to the effectiveness of this Agreement, the Employee agrees to
execute and deliver the Agreement Regarding Confidentiality, Trade Secrets, Intellectual Property and Competitive Activities attached hereto as Exhibit A (the “Compliance Agreement”), the terms and conditions of which are
specifically incorporated herein by reference. The obligation of the Company to make payments to or on behalf of the Employee under Section 8.2(ii) or Section 8.3(ii) above is expressly conditioned
upon the Employee’s continued performance of the Employee’s obligations under the Compliance Agreement. 
 11. STANDARDS OF CONDUCT. The
Employee will conduct himself/herself in an ethical and professional manner at all times and in accordance with any Employee policies or guidelines which the Company may issue from time to time.  

  

SIGNATURE PAGE OF EMPLOYMENT AGREEMENT 

 12. INDEMNIFICATION. 

12.1 Indemnification. In the event that (a) the Employee was or is a party or is threatened to be made a party to any Proceeding
(as defined below) by reason of the Employee’s Corporate Status (as defined below) or (b) the Employee was or is a party or is threatened to be made a party to any Proceeding by or in the right of the Company to procure a judgment in its
favor by reason of the Employee’s Corporate Status, the Employee shall be indemnified by the Company against all Expenses and Liabilities incurred or paid by the Employee in connection with such Proceeding (referred to herein as
“Indemnifiable Amounts”). For purposes hereof, the terms (i) “Proceeding” means any threatened, pending or completed claim, action, suit, arbitration, alternate dispute resolution process, investigation,
administrative hearing, appeal, or any other proceeding, whether civil, criminal, administrative, arbitrative or investigative, whether formal or informal, (ii) “Corporate Status” means the status of the Employee as an employee
and/or director of the Company, as applicable, (iii) “Expenses” means all fees, costs and expenses incurred in connection with any Proceeding, including, without limitation, reasonable attorneys’ fees, disbursements and
retainers, fees and disbursements of expert witnesses, private investigators and professional advisors (including, without limitation, accountants, counsels and investment bankers), court costs, transcript costs, fees of experts, travel expenses,
duplicating, printing and binding costs, telephone and fax transmission charges, postage, delivery services, secretarial services and other disbursements and expenses and (iv) “Liabilities” means judgments, damages, liabilities,
losses, penalties, excise taxes, and fines. 
 12.2 Advancement of Expenses. The Company agrees that the Company shall pay to the
Employee all Indemnifiable Amounts incurred by the Employee in connection with any Proceeding, including a Proceeding by the right of the Company, in advance of the final disposition of such Proceeding, as the same are incurred, provided that the
Employee provides the Company with a written undertaking to repay the amount of Indemnifiable Amounts if it is finally determined by a court of competent jurisdiction that the Employee is not entitled under this Agreement to indemnification with
respect to such Indemnifiable Amounts. 
 12.3 Limitation on Indemnification. The Employee shall not be entitled to any
indemnification under this Section 12 if the Employee knowingly violated any duty, responsibility or obligation imposed under this Agreement, the Compliance Agreement or any Company policy. 

12.4 Change in Law. To the extent that a change in applicable law (whether by statute or judicial decision) shall permit broader
indemnification or advancement of expenses than is provided under this Agreement, the Employee shall be entitled to such broader indemnification and advancements, and this Agreement shall be deemed to be amended to such extent. 

13. COVENANT NOT TO COMPETE; NON-SOLICITATION. The Employee covenants and agrees that for twelve
(12) months after the termination date of the Employee (the “Restriction Period”), the Employee will not directly or indirectly or by action in concert with others: 

13.1 Contact, induce or influence or seek to induce or influence any person who is an employee, agent, independent contractor, supplier,
customer, officer or shareholder of the Company to terminate the employment of such person or ownership in or relationship with the Company by such person without regard to whether such person would subsequently then be engaged in a business or own
an interest in a business competitive with the Business Of The Company; 

  

SIGNATURE PAGE OF EMPLOYMENT AGREEMENT 

 13.2 Advance or lend funds to, or acquire an interest in excess of one percent (1.0%) in, any
organization whether being a corporation, partnership, joint venture, trust, sole proprietorship or any individual which is or may be competitive with the Company or which might place the Employee in a position competitive with the Company; and 

13.3 Serve as an employee, officer, agent, director, or independent contractor or promote or participate or in any way engage in a business or
business activity which is or may be competitive with the Business Of The Company or which might place the Employee in a position competitive with the Business Of The Company. 

13.4 The covenants contained in this Section 13 shall be construed as a series of separate covenants, one for each
country, province, state, city or other political subdivision in which the Company currently engages in its business or, during the Employment Period, becomes engaged in its business. Except for geographic coverage, each such separate covenant shall
be deemed identical in terms to the covenant contained in this Section 13. If, in any judicial proceeding, a court refuses to enforce any of such separate covenants (or any part thereof), then such unenforceable covenant
(or such part) shall be eliminated from this Agreement to the extent necessary to permit the remaining separate covenants (or portions thereof) to be enforced. In the event that the provisions of this Section 13 are deemed
to exceed the time, geographic or scope limitations permitted by applicable law, then such provisions shall be reformed to the maximum time, geographic or scope limitations, as the case may be, permitted by applicable law. 

14. REPRESENTATIONS AND WARRANTIES OF THE COMPANY. The Company represents and warrants to the Employee that the execution of this Agreement by the
Company has been duly authorized by resolution of the Board. 
 15. REPRESENTATIONS AND WARRANTIES OF THE EMPLOYEE. The Employee represents and
warrants to the Company that: (i) the Employee has the proper skill, training and background so as to be able to perform under the terms of this Agreement in a competent and professional manner; (ii) the Employee will not infringe any
intellectual property rights including patent, copyright, trademark, trade secret or other proprietary right of any person; and (iii) the Employee will not use any Trade Secrets or Confidential Information for purposes other than for the
furtherance of the Business Of The Company and will not use any trade secrets or confidential information owned by any third party. 
 16.
ENFORCEMENT. It is the desire and intent of the parties hereto that the provisions of this Agreement will be enforced to the fullest extent permissible under the laws and public policies applied in each jurisdiction in which enforcement is
sought. Accordingly, to the extent that a restriction contained in this Agreement is more restrictive than permitted by the laws of any jurisdiction whose law may be deemed to govern the review and interpretation of this Agreement, the terms of such
restriction, for the purpose only of the operation of such restriction in such jurisdiction, will be the maximum restriction allowed by the laws of such jurisdiction and such restriction will be deemed to have been revised accordingly herein. A
court having jurisdiction over an action arising out of or seeking enforcement of any restriction contained in this Agreement may modify the terms of such restriction in accordance with this Section 16. 

17. DISPUTE RESOLUTION. In the event the parties hereto are unable to settle a dispute between them regarding this Agreement through friendly
consultation, such dispute shall be referred to and finally settled by arbitration at the Hong Kong International Arbitration Centre in accordance with the UNCITRAL Arbitration Rules (the “UNCITRAL Rules”) in effect, which rules are
deemed to be incorporated by reference into this Section 17 applying the laws of Hong Kong, without regard to its principles of conflicts of laws. The arbitration tribunal shall consist of three (3) arbitrators to be
appointed according to the UNCITRAL Rules (the “Arbitration Board”). 

  

SIGNATURE PAGE OF EMPLOYMENT AGREEMENT 

 
The language of the arbitration shall be English. The Arbitration Board shall decide any such dispute or claim strictly in accordance with the governing law specified in
Section 19.5. Judgment upon any arbitral award rendered hereunder may be entered in any court having jurisdiction, or application may be made to such court for a judicial acceptance of the award and an order of enforcement,
as the case may be. The costs and expenses of the arbitration, including the fees of the Arbitration Board, shall be borne equally by each party to the dispute or claim, and each party shall pay its own fees, disbursements and other charges of its
counsel; provided that the Arbitration Board shall have the right to allocate the costs and expenses between each party as the Arbitration Board deems equitable. Any award made by the Arbitration Board shall be final and binding on each of the
parties that were parties to the dispute. The parties expressly agree to waive the applicability of any laws and regulations that would otherwise give the right to appeal the decisions of the Arbitration Board so that there shall be no appeal to any
court of law for the award of the Arbitration Board, and a party shall not challenge or resist the enforcement action taken by any other party in whose favor an award of the Arbitration Board was given. 

18. COVENANT AGAINST ASSIGNMENT. The Employee may not assign any rights or delegate any of the duties of the Employee under this Agreement. As used in
this provision, “assignment” and “delegation” shall mean any sale, gift, pledge, hypothecation, encumbrance, or other transfer of all or any portion of the rights, obligations, or liabilities in or arising from this Agreement to
any person or entity, whether by operation of law or otherwise, and regardless of the legal form of the transaction in which the attempted transfer occurs. 

19. MISCELLANEOUS. 
 19.1 Notices.
Any notice, request, demand or other communication required or permitted to be given to a party pursuant to the provisions of this Agreement will be in writing and will be effective and deemed given under this Agreement on the earliest of:
(i) the date of personal delivery, (ii) the date of transmission by facsimile or e-mail, with confirmed transmission and receipt, (iii) two (2) days after deposit with an
internationally-recognized courier or overnight service such as Federal Express, DHL, or (iv) five (5) days after mailing via certified mail, return receipt requested. All notices not delivered personally or by facsimile will be sent with
postage and other charges prepaid and properly addressed to the party to be notified at the address set forth on the signature pages hereto. 

19.2 Gender; Time. The parties agree that any use of words in any gender in this Agreement shall also refer to the masculine, feminine
or neuter gender, as the case may require. Time is of the essence in performance of the rights and obligations under this Agreement. 
 19.3
Survival. The provisions set forth in Sections 8, 9, 13, 16, 17, and 19 of this Agreement shall survive the termination of this Agreement. 

19.4 Binding Agreement; Benefit. The provisions of this Agreement will be binding upon and will inure to the benefit of the respective
heirs, legal representatives and successors of the parties hereto. 
 19.5 Governing Law. This Agreement will be governed by, and
construed and enforced in accordance with, the laws of Hong Kong, without giving effect to its principles or rules of conflict laws to the extent such principles or rules would require or permit the application of the laws of another jurisdiction.

 19.6 Waiver of Breach. The waiver by either party of a breach of any provision of this Agreement by the other party must be in
writing and will not operate or be construed as a waiver of any subsequent breach by such other party. 

  

SIGNATURE PAGE OF EMPLOYMENT AGREEMENT 

 19.7 Entire Agreement; Amendments. This Agreement contains the entire agreement between
the parties with respect to the subject matter hereof and supersedes all prior agreements or understanding among the parties with respect thereto. This Agreement may be amended only by an agreement in writing signed by each of the parties hereto.

 19.8 Headings. The Section headings contained in this Agreement are for reference purposes only and will not affect in any way the
meaning or interpretation of this Agreement. 
 19.9 Severability. Subject to the provisions of Section 16
above, any provision of this Agreement that is prohibited or unenforceable in any jurisdiction will, as to such jurisdiction, be ineffective to the extent of such prohibition or unenforceability without invalidating the remaining provisions hereof,
and any such prohibition or unenforceability in any jurisdiction will not invalidate or render unenforceable such provision in any other jurisdiction. 

19.10 Assignment. This Agreement is personal in its nature and the parties hereto shall not, without the consent of the other party
hereto, assign or transfer this Agreement or any rights or obligations hereunder, provided, however, that the rights and obligations of the Company hereunder shall be assignable and delegable in connection with any subsequent merger, consolidation,
sale of all or substantially all of the assets or shares of the Company or similar transaction involving the Company or a successor corporation. 

19.11 Confidentiality. The Employee agrees not to disclose this Agreement or its terms to any person or entity, other than the
Employee’s agents, advisors or representatives, except as consented to by the Company in writing or as may be required by law. 
 19.12
Further Assurances. The Employee agrees to execute, acknowledge, seal and deliver such further assurances, documents, applications, agreements and instruments, and to take such further actions, as the Company may reasonably request in order
to accomplish the purposes of this Agreement. 
 19.13 Costs. Each of the parties shall pay all costs and expenses incurred or to be
incurred by such party in negotiating and preparing this Agreement and in closing and carrying out the transactions contemplated by this Agreement. 

19.14 Interpretation of Agreement. This Agreement has been negotiated at arm’s length between persons knowledgeable in the matters
dealt with in this Agreement. In addition, each party has been represented by experienced and knowledgeable legal counsel. Accordingly, any rule of law, or any legal decision that would require interpretation of any ambiguities in this Agreement
against the party that has drafted it, is of no application and is waived. 
 19.15 Counterparts. The parties may execute this
Agreement in any number of counterparts and, as so delivered, the counterparts shall together constitute one and the same document. The parties agree that each such counterpart is an original and shall be binding upon all of the parties, even though
all of the parties are not signatories to the same counterpart. 
 19.16 No Third-Party Rights. Nothing in this Agreement is intended
to grant to any third party (other than the parties’ respective successors in title and permitted assigns) any right to enforce any term of this Agreement or to confer on any third party (other than the parties’ respective successors in
title and permitted assigns) any benefits under this Agreement. No person who is not a party to this Agreement shall have any right under the Contracts (Rights of Third Parties) Ordinance (Chapter 623 of the Laws of Hong Kong) to enforce any term of
this Agreement. 

  

SIGNATURE PAGE OF EMPLOYMENT AGREEMENT 

 IN WITNESS WHEREOF, the parties have executed this Agreement as of the date first above written.

  

									
	COMPANY:	 		 	EMPLOYEE:
			
	ZAI Lab (HK) Limited
	 		 	
					
	By:	 	/s/ Samantha Du	 		 		 	/s/ Harald Reinhart
	Print Name: Samantha Du	 		 		 	Harald Reinhart, M.D.
	Title: CEO	 		 		 	
				
	Address:	 		 		 	 Address:
 #### ### ######

#####, #####
 ######

 
 E-Mail:#########################

	  
 4560 Jinke Road

Pudong New Area
 Shanghai, China 201210

Attention: Chief Executive Officer
 Facsimile:
	 		 		 
	E-mail: sdu@zailaboratory.com	 		 		 	

  

SIGNATURE PAGE OF EMPLOYMENT AGREEMENT 

 EXHIBIT A 

AGREEMENT REGARDING CONFIDENTIALITY, TRADE SECRETS, INTELLECTUAL 

PROPERTY AND COMPETITIVE ACTIVITIES 

COMPLIANCE AGREEMENT 
 THIS
AGREEMENT REGARDING CONFIDENTIALITY, TRADE SECRETS, INTELLECTUAL PROPERTY, AND COMPETITIVE ACTIVITIES (this “Agreement”) is entered into as of the Effective Date set forth on the signature page hereof between Zai Lab (Hong Kong)
Limited, a limited company organized under the laws of Hong Kong (“Company”), and the undersigned employee of Company (“I,” “me,” or “Employee”). Company, along with its Affiliates
now has and expects to develop confidential and proprietary materials and highly sensitive information of immeasurable value which I recognize must be carefully protected for Company to be successful. To induce Company to employ me and in
consideration of my employment by Company, the sufficiency of which I expressly acknowledge, Company and I hereby agree, intending to be legally bound, as follows: 

For the purposes of this Agreement, the term “Affiliates” means, with respect to any specified person, any other person
directly or indirectly controlling or controlled by or under direct or indirect common control with such specified person. For the purposes of this definition, “control” when used with respect to any specified person means the power to
direct the management and policies of such person, directly or indirectly, whether through ownership of voting securities, by contract or otherwise; and the terms “controlling” and “controlled” have meanings correlative to the
foregoing. 
 1. Company Confidential Materials and Information. 

(a) Confidential Information. The following materials and information, whether having existed, now existing, or to be developed or
created during the term of my employment by Company (herein referred to collectively as the “Confidential Information”) are covered by this Agreement: 

(1) All information relating to existing or proposed products or services based on proprietary technology of Company or any of its Affiliates,
whether owned or licensed by Company and/or its Affiliates, and proprietary technology in various stages of research and development which are not generally known to the public (such as inventions, trade secrets,
know-how, design specifications, methodologies, procedures, techniques, and information management processes); 

(2) All information relating to the products or services of Company or any of its Affiliates, whether existing or in various stages of
research and development, which is not generally known to the public (such as know-how, specifications, technical or medical data, processes, techniques, methodologies, and strategies); 

(3) All information not generally known to the public concerning or relating to the way Company or any of its Affiliates conducts its business
(such as internal business procedures, controls, plans, licensing techniques, contracts and practices, supplier, subcontractor and prime contractor names and contracts and other vendor information, computer system passwords and other computer
security controls, financial information, distributor information, information supplied by clients and customers of Company or any of its Affiliates, and employee data); 

  

SIGNATURE PAGE OF EMPLOYMENT AGREEMENT 

 (4) All information not generally known to the public that pertains to Company’s or any of
its Affiliates’ marketing plans and strategies; forecasts and projections; marketing practices, procedures and policies; discounts; margins; costs; credit terms; pricing practices, procedures and policies; procedures and policies; and customer
data including customer lists, information, contracts, representatives, requirements and needs, specifications, preferences, data provided by or about prospective, existing or past customers and contract terms applicable to such customers (such as
customer lists, printouts, databases, marketing plans, marketing reports, strategic business plans, marketing analyses and management reports, and listings of potential customers and leads); 

(5) Any information pertaining to Company or any of its Affiliates in addition to the foregoing which is not generally known to the public or
within the industry or trade areas in which Company or any of its Affiliates competes which gives Company or any of its Affiliates any advantage over its competitors; and 

(6) All physical embodiments of the foregoing information in any tangible form, whether written, electronic, or machine-readable in nature.

 (b) General Knowledge. The general skills, knowledge, and experience gained during my employment with Company or information
publicly available is not considered Confidential Information. Also, upon termination of my employment with Company for any reason, I shall not, subject to the provisions of Sections 3(a) and 3(b) below, be restricted from working with
a person or entity which has independently developed information or materials similar to Confidential Information as long as I comply with my continuing obligations under this Agreement. 

(c) Employee Obligations. During my employment with Company, I acknowledge and agree that I will have access to Confidential Information
and materials and will occupy a position of trust and confidence with respect to Company’s affairs and business. I agree to take the following steps to preserve the confidential and proprietary nature of Confidential Information and materials.

 (1) Non-Use; Non-Disclosure. During and after my
employment with Company regardless of the reason why my employment ended, I will not use, disclose, or transfer any Confidential Information other than as authorized by Company within the scope of my duties with Company, and will not use in anyway
other than in Company’s business any Confidential Information, including information or material received by Company from others and intended by Company to be kept in confidence by its recipients. I understand that I am not allowed to sell,
license, or otherwise exploit any products or services which embody or otherwise exploit in whole or in part any Confidential Information or materials. 

(2) Disclosure Prevention. I will take all reasonable precautions to prevent the inadvertent or accidental disclosure of Confidential
Information. 

  
 -2- 

 (3) Removal of Confidential Information. I will not remove any Confidential Information
or documents, materials, or property containing Confidential Information from Company’s or any of its Affiliates’ premises or make copies of such documents, materials, or property except for use in Company’s business and in accordance
with Company’s policies regarding security of confidential information. 
 (4) Return All Materials. I will return to Company
all Confidential Information and all other documents, materials, and property of Company (including any copies of the foregoing) at any time upon the request of Company, and in any event and without such request, immediately upon the termination of
my employment with Company regardless of the reason for termination. I agree not to retain any documents, materials, or property (including copies) containing any Confidential Information or otherwise belonging to Company after my employment ends,
regardless of the reason. I agree to deliver and sign the “Termination Certificate” attached hereto as Exhibit A. 
 (5)
Computer Security. During my employment with Company, I agree to use only those Company computer resources (both on and off Company’s premises) for which I have been granted access and then only to the extent authorized. I agree to
comply with Company’s policies and procedures concerning computer security. 
 (6) Communications Systems. I understand that
Company maintains an electronic mail system, a voice mail system, a computer network that includes access to the Internet, and related facilities for the purpose of business communications. I acknowledge that these systems, network, and related
facilities, as well as all electronic or voice communications and all data or materials transmitted thereon, are Company property, and Company retains the right to review any and all electronic mail communications, voice communications, internet
sites accessed, and data and materials stored or transmitted, with or without notice, at any time. 
 2. Proprietary Information and
Ideas and Inventions. 
 (a) Prior Information. I agree to inform Company of (i) any apparent conflicts between my work for
Company and (ii) any pre-existing obligations for which I am aware pursuant to which I may have to preserve the confidentiality of another’s proprietary information or materials, with the
understanding that I may provide information to Company on a no-names basis regarding such obligations if and only to the extent that I am subject to non-disclosure or
confidentiality obligations regarding such obligations. Otherwise, by signing this Agreement and accepting employment with Company, Company may conclude that no such conflict exists, and I agree thereafter to make no such claim against Company. I
agree not to disclose to Company or any of its Affiliates or use in Company’s business any information or material relating to the business of any third person and intended by that person not to be disclosed to Company or its Affiliates. 

(b) Ideas and Inventions. Attached hereto as Exhibit B is a list describing all inventions, original works of authorship,
developments, improvements, and trade secrets which were made by me prior to employment with Company, which belong to me or a former employer, which relate to Company’s business, and which are not assigned to Company hereunder (collectively
referred to as “Prior Inventions”); or, if no such list is attached, I 

  
 -3- 

 
represent that there are no such Prior Inventions. If in the course of employment with Company, I incorporate any invention, improvement, development, concept, discovery, product, copyrightable
material, trade or other proprietary information owned by me or in which I have an interest, into any product, service, process, composition, machine, or other property (including Confidential Information) of Company, Company is hereby granted and
shall have a nonexclusive, royalty-free, irrevocable, perpetual, worldwide license to make, modify, use, and sell such item as part of or in connection with such product, service, process, composition, or machine, or other property. 

(c) Disclosure and Assignment to Company. I agree to promptly make full written disclosure to Company and will hold in trust for the
sole right and benefit of Company or its designee, all right, title, and interest in and to any and all inventions, developments, concepts, improvements, or trade secrets, whether or not patentable or registrable under copyright or similar laws,
which I may solely or jointly conceive or develop or reduce to practice, or cause to be conceived or developed or reduced to practice while I am performing services within the scope of my employment with Company (either on Company’s premises or
elsewhere) or utilizing Company facilities (collectively referred to as “Inventions”), and I hereby forever irrevocably transfer and assign to Company, or its designee, all right, title, and interest in and to all such Inventions.
This Section 2(c) shall not apply to assign to Company any of my rights in any invention that I develop entirely on my own time without using Company’s equipment, supplies, facilities, or trade secret information,
except for inventions that either (1) relate, at the time that the invention is conceived or reduced to practice, to Company’s business or to actual or demonstrably anticipated research or development activities of Company; or
(2) result from any work performed by me for Company. 
 (d) Works of Authorship. I acknowledge and agree that all writings or
works of authorship, including without limitation, business planning documents, marketing materials, operations manuals, software program code, drawings, procedural diagrams, and other documentation of any kind produced by me in the course of my
work for Company are works produced for hire and the property of Company, including without limitation any copyrights on those writings; but to the extent any such writing produced by me in the course of my work for Company may not, by operation of
law or otherwise, be a work made for hire, I hereby forever irrevocably transfer and assign to Company the ownership of copyright in such works, whether published or unpublished. 

(e) Moral Rights. I understand that the term “moral rights” means any rights of paternity or integrity, including any right to
claim authorship of a copyrightable work, to object to a modification of such copyrightable work, and any similar right existing under the judicial or statutory law of any country in the world or under any treaty, regardless of whether or not such
right is denominated or generally referred to as a “moral right.” I forever hereby waive and agree never to assert any moral rights I may have in any copyrightable work that is assigned to Company as a result of
Section 2(d) hereof, even after any termination of my employment with Company. 

  
 -4- 

 (f) Patent and Copyright Registrations. I agree to assist Company, or its designee, at
Company’s expense, in every proper way to secure Company’s rights in the Inventions and any copyrights, patents, mask work rights, or other intellectual property rights relating thereto in any and all countries, including the disclosure to
Company of all pertinent information and data with respect thereto, the execution of all applications, specifications, oaths, assignments, and all other instruments which Company shall deem necessary in order to apply for and obtain such rights and
in order to assign and convey to Company, its successors, assigns, and nominees the sole and exclusive rights, title, and interest in and to such Inventions, and any copyrights, patents, mask work rights, or other intellectual property rights
relating thereto. I further agree that my obligation to execute or cause to be executed, when it is in my power to do so, any such instrument or papers shall continue after the termination of this Agreement so long as the execution or facilitation
of execution of any such instruments or papers is at Company’s expense. If Company is unable because of my mental or physical incapacity or for any other reason to secure my signature to apply for or to pursue any application for any United
States or foreign patents or copyright registrations covering Inventions or original works of authorship assigned to Company as above, then I hereby irrevocably designate and appoint Company and its duly authorized officers and agents as my agent
and attorney in fact, to act for and on my behalf and to execute and file any such applications and to do all other lawfully permitted acts to further the prosecution and issuance of letters, patent or copyright registrations thereon with the same
legal force and effect as if executed by me. 
 3. Non-Competition and Non-Solicitation. 
 I hereby agree to comply with the restrictions set forth in this
Section 3. 
 (a) Non-Competition. 

(1) I hereby covenant and agree that I shall not engage in competition with the business that Company or any of its Affiliates conducts or
conducted at any time during my employment or which Company or any of its Affiliates is actively engaged in planning to conduct at the time of my termination of employment (collectively, the “Business”). As indicated above in
Section 1(c)(1), at any time after the termination of this Agreement, I will not make use of Company’s Confidential Information or proprietary information concerning any Invention, or any other confidential matter
relating to Company’s business that I may in any way acquire by reason of my employment with Company. 
 (2) During the twenty-four
(24) month period immediately following my termination of employment, regardless of the reason therefor, I agree not to, directly or indirectly, whether as owner, partner, investor, consultant, agent, employee,
co-venturer or otherwise, compete with, or undertake any planning to compete with, the Restricted Programs (as defined below) anywhere in the Restricted Area (as defined below). For purposes hereof, the terms
(i) “Restricted Programs” means any pre-clinical and clinical development programs of the Company for which I have been involved during the term of my employment and (ii) “Restricted
Area” means the geographic area consisting of the People’s Republic of China, Taiwan, the Special Administrative Region of Hong Kong and the Special Administrative Region of Macau. The foregoing, however, shall not prevent my passive
ownership of two percent (2%) or less of the equity securities of any publicly traded company. 

  
 -5- 

 (b) Non-Solicitation. Both during my employment
and for two (2) years immediately following the termination of my employment with Company for any reason, I will not, on behalf of myself or any other person, except as authorized by Company within the scope of my duties with Company:
(i) solicit, recruit, or encourage any of Company’s or its Affiliates’ employees to leave or terminate their employment with Company or such Affiliate; (ii) hire or employ any of Company’s or its Affiliates’ employees
(or any person who was an employee of Company or any of its Affiliates within six (6) months of such action); or (iii) induce any customer or prospective customer (with respect to which I played a role in soliciting or providing goods or
services during the twelve (12) month period prior to the termination of my employment), supplier, vendor, licensee, independent contractor or other business relation of Company or any of its Affiliates to cease doing business with Company or
any of its Affiliates, or to modify its business relationship with Company or any of its Affiliates in a manner adverse to Company or any of its Affiliates. 

4. General Provisions. 

(a) Enforcement. I acknowledge that the obligations in this Agreement have unique, very substantial and immeasurable value to Company
and its Affiliates, that Company and its Affiliates are engaged in a highly competitive industry, that I am receiving significant consideration in connection with this Agreement and my employment with Company, and that I have sufficient assets and
skills to provide a livelihood for myself while such covenants remain in force. In the event that any of the obligations in this Agreement shall be determined by any court of competent jurisdiction to be unenforceable by reason of their extending
for too great a period of time or over too great a geographical area or by reason of their being too extensive in any other respect, such obligation shall be interpreted and modified to extend only over the maximum period of time for which it may be
enforceable and over the maximum geographical area as to which it may be enforceable and to the maximum extent in all other respects as to which it may be enforceable, all as determined by such court in such action. If modification of such
obligations is not possible, then the court shall sever such obligations and enforce each and every remaining obligation in this Agreement. 

(b) Governing Law. This Agreement will be governed by, and construed and enforced in accordance with, the laws of the State of New York,
USA, without giving effect to its principles or rules of conflict laws to the extent such principles or rules would require or permit the application of the laws of another jurisdiction. I agree to submit to the exclusive jurisdiction of the courts
of and in the State of New York in connection with any dispute arising out of this Agreement. 
 (c) Reserved. 

(d) Publications. I agree not to submit any writing for publication or deliver any speech that contains any information relating to the
Business, unless I receive advance written clearance from an authorized representative of Company. 
 (e) Publicity. I hereby grant to
Company the right to use my name and likeness, without additional consideration during the term of my employment, on, in, and in connection with technical, marketing, and/or disclosure materials published by or for Company. 

  
 -6- 

 (f) Miscellaneous. This Agreement is my entire agreement with Company with respect to the
subject matter referred to herein, superseding any prior oral, written, express, or implied negotiations and agreements. This Agreement may not be changed in any respect except by a written agreement signed by both myself and an officer of Company.
If any provision of this Agreement is held to be invalid, illegal, or unenforceable for any reason, the validity, legality, and enforceability of the remaining provisions will not in any way be affected or impaired thereby. 

[Signature Page to Follow] 

  
 -7- 

 By my signature below, I acknowledge that I have reviewed this Agreement Regarding
Confidentiality, Trade Secrets, Intellectual Property, and Competitive Activities carefully and understand that the covenants and obligations it contains are binding on me. 

 

	
	 /s/ Harald Reinhart

	 (Signature)
  

	HARALD REINHART

  

			
	 Accepted and agreed to on
 behalf of
Zai Lab (Hong Kong) Limited

		
	By:	 	 /s/ Ying Du

	Name: Ying Du
	Title: CEO
	Effective Date: May 7, 2017

 [Signature Page to Compliance Agreement] 

 EXHIBIT A 

TERMINATION CERTIFICATE 
 This is
to certify that I do not have in my possession, and that I have returned to Zai Lab (Hong Kong) Limited (“Company”) in compliance with Section 1(c)(4) of the Agreement Regarding Confidentiality, Trade
Secrets, Intellectual Property and Competitive Activities between me and Company (the “Compliance Agreement”), all Confidential Information (as that term in defined in Section 1 of the Compliance Agreement)
of Company and all other documents, materials, and property of Company (including any copies of the foregoing). 
 I further certify that I
have complied with all the terms of the Compliance Agreement signed by me, including the reporting of any inventions (as defined therein), conceived or made by me (solely or jointly with others) covered by the Compliance Agreement. Except to the
extent set forth below, I acknowledge and agree that I have no prior inventions other than those, if any, identified by me on Exhibit B to the Compliance Agreement at the time that I signed the Compliance Agreement. 

Termination Date: _______________ 
  

	
	  
 (Signature)

 

	(Print Name)

  
 A-1 

 EXHIBIT B 

LIST OF PRIOR INVENTIONS 
 AND
ORIGINAL WORKS OF AUTHORSHIP 
  

					
	 Title
	  	 Date
	  	 Identifying Number

or Brief Description

Original Observations in Peer-Reviewed Journals: 
  

	1.	Reinhart, H.: Comparison of serum and CSF lipid determinations by means of thin layer chromatography. Doctoral Thesis, University of Wurzburg, 1978. 

 

	2.	Reinhart, H., Muller, G., Sobel, J.: Specificity and mechanism of in vitro adherence of Candida albicans. Ann. Am. Lab. Sci. 15:406-413, 1985. 

 

	3.	Heinrich, J., Reinhart, H., Auer, L., Schmidt, M., Dämmrich, J,: Chronische interstitielle Alveolitis under Goldtherapie bei Psoriasis-Arthritis. Atemwegs-und
Lungenkrankheiten 12:390-392, 1986 

  

	4.	Reinhart, H., Obedeanu, N., Walz, D., Sobel, J.: A new ELISA method for the rapid quantification of Tamm Horsfall protein in urine. Am. J. Clin. Pathol. 92: 199-205, 1989

  

	5.	Reinhart, H., Obedeanu, N., Hooton, T., Stamm, W., Sobel, J.: Urinary excretion of Tamm Horsfall protein in women with recurrent urinary tract infections. J. Urol. 144: 1185-1187, 1990 

 

	6.	Reinhart, H., Obedeanu, N., Sobel, J.: Quantitation of Tamm Horsfall protein binding to uropathogenic Escherichia coli and lectins. J. Infect. Dis. 162:1335-1340, 1990 

 

	7.	Reinhart, H., Obedeanu, N., Robinson, R., Korzeniowski, O., Kaye, D., Sobel, J.: Urinary excretion of Tamm Horsfall protein in elderly women. J. Urol. 146: 806-808, 1991

  

	8.	Reinhart, H., Obedeanu, N., Merzbach, D., Sobel, J.: Effect of Tamm-Horsfall protein on chemiluminescence response of polymorphonuclear leukocytes to uropathogenic Escherichia coli, J. Infect. Dis. 164:404-406, 1991. 

  

	9.	Reinhart, H., Spencer, J., Sobel, J.: Quantitation of urinary Tamm-Horsfall protein in children with urinary tract infection. Eur. Urol. 22: 194-199, 1992

  

	10.	Fink, M., Snydman, D., Niederman, M., Leeper, K., Johnson, R., Heard, S., Wunderink, R., Caldwell, J., Schentag, J., Siami, G., Zameck, R., Haverstock, D., Reinhart, H., Echols, R., and the Severe Pneumonia Study
Group: Treatment of severe pneumonia in hospitalized patients: Results of a multicenter, randomized, double-blind trial comparing intravenous ciprofloxacin with imipenem/cilastatin. Antimicrob. Agents Chemother. 38:
547-557,1994 

  
 B-1 

	11.	Burnett, R., Haverstock, D., Dellinger, P., Reinhart, H., Bohnen, J., Rothstein, O., Vogel, J., Solomkin, J.: Definition of the role of Enterococcus in intra-abdominal infection: Analysis of a prospective
randomized trial. Surgery 118 (4): 716- 723, 1995 

  

	13.	Snydman, D., Fink, M., Niederman, M., Reinhart, H.: Treatment of severe pneumonia in hospitalized patients. Drugs 49 (Suppl. 2): 439-441, 1995 

 

	14.	Solomkin, J., Reinhart, H., Dellinger, P., Bohnen, J., Rotstein, O., Vogel, S., Simms, H., Hill, C., Bjomson, S., Haverstock, D., Coulter, H., Echols, R., and the Intra-abdominal Infection Group: Results of a
randomized trial comparing sequential intravenous/oral treatment with ciprofloxacin plus metronidazole to imipenem/cilastatin for intra-abdominal infections. Ann. Surg. 223 (3): 303-315, 1996

  

	15.	Segev, S., Yaniv, I., Haverstock, D., Reinhart, H.: Safety of long-term therapy with ciprofloxacin. A review of data from controlled clinical trials. Clin. Infect. Dis. 28:
299-308, 1999 

  

	16.	Leibovitz, E., Janco, J., Piglansky, L., Press, J., Yagupsky, P. Reinhart, H., Yaniv, I., Dagan, R.: Oral ciprofloxacin vs. intramuscular ceftriaxone as empiric treatment of acute invasive diarrhea in children.
Pediatr. Infect. Dis. J. 19: 1060-1067; 2000 

  

	17.	Reinhart, H., Hughson, C., de Palacios, P.: Comment on: Audiometric changes associated with the treatment of uncomplicated falciparum malaria with co-artemether. Trans. R.
Soc. Trop. Med. Hyg. 99: 315; 2005 

 Book Chapters: 
  

	1.	Sobel, J., Reinhart, H.: Antibacterial host factors in the urinary tract. Advances in Internal Medicine, Ed.: G. H. Stollerman, Volume 36, pp. 131-150, 1991, Mosby Year
Book, St. Louis 

  

	2.	Sobel, J., Reinhart, H., Kaye, D.: Host defense mechanisms in urinary tract infections. In Schrier, R., Gottschalk, eds.: Diseases of the Kidney, Chapter 33, pp. 885-908,
Little, Brown, and Comp., Boston, MA 

 Review Articles: 
  

	1.	Sefrin, P., Reinhart, H.: Zerebrale Reanimation. Intensivbehandlung 11:1-8,1986 

  

	2.	Chua, D., Reinhart, H., Sobel, J.: Liver abscess caused by Streptococcus milleri. Rev. Infect. Dis. 11: 197-202,1989 

  
 B-2 

	3.	Reinhart, H., Sobel, J.: Cytomegalovirus pneumonia in bone marrow transplant recipients. Infection in Medicine 7: 14- 20,1990 

 

	4.	Reinhart, H., Sobel, J.: The role of Tamm Horsfall protein in the pathogenesis of urinary tract infection: A review. Int. Urogynecol. J. 3:191-196, 1992 

 

	5.	Reinhart, H.: In-Vitro Efficacy vs Clinical Benefit: A Critical Review of Antibiotic Trials in AECB. http://pages.cthome.net/hreinh/Master_AECB_V2.htm. 2003

 Case Reports: 
  

	1.	Reinhart, H., Urbanski, D., Harrington, S., Sobel, J.: Prosthetic valve endocarditis caused by Trichosporon beigelii. Am. J. Med. 84:355-358, 1988 

 

	2.	Reinhart, H., Peleman, R., Reinhart, E.: Nitrofurantoin-induced toxicity to liver and lung. Gastroenterology 102: 1396-1399, 1992 

PUBLISHED ABSTRACTS 
  

	1.	Reinhart, H., Obedeanu, N., Walz, D., Sobel, J.: A new ELISA method for the rapid quantification of Tamm Horsfall protein in urine. 28th Interscience Conference on Antimicrobial Agents and Chemotherapy (ICAAC),
Los Angeles, CA, 1988, Abstract # 472, p. 192. 

  

	2.	Reinhart, H., Obedeanu, N., Sobel, J.: Evaluation of Tamm Horsfall protein binding to various urinary isolates of Escherichia coli. 16th International Congress of Chemotherapy (ICC), Jerusalem, 1989, Abstract #
1291. 

  

	3.	Reinhart, H., Obedeanu, N., Sobel, J.: Adherence properties of Tamm Horsfall protein (THP) to vaginal, buccal and uroepithelial cells. 29th Interscience Conference on Antimicrobial Agents and Chemotherapy
(ICAAC), Houston, TX, 1989, Abstract # 1133, p. 294. 

  

	4.	Reinhart, H., Obedeanu, N., Sobel, J.: Quantitative studies of Tamm-Horsfall protein binding to uropathogenic Escherichia coli, MS-fimbriae and lectins. 29th Interscience
Conference on Antimicrobial Agents and Chemotherapy (ICAAC), Houston, TX, 1989, Abstract # 1132, p. 293 

  

	5.	Reinhart, H., Obedeanu, N., Hooton, T., Stamm, W., Sobel, J.: Urinary excretion of Tamm Horsfall protein (THP) in women with and without a history of recurrent urinary tract infections (RUTI). 29th Interscience
Conference on Antimicrobial Agents and Chemotherapy (ICAAC), Houston, TX, 1989, Abstract # 907, p. 253. 

  
 B-3 

	6.	Vazquez, J., Reinhart, H., Weidenbach, M., Sobel, J., Zervos, M.: Evaluation of restriction enzyme fragment analysis as a typing system for Candida. 29th Interscience Conference on Antimicrobial Agents and
Chemotherapy (ICAAC), Houston, TX, 1989, Abstract # 529, p. 190. 

  

	7.	Spencer, J., Reinhart, H., Sobel, J.: Quantitation of urinary Tamm Horsfall protein in girls with and without recurrent urinary tract infections. J. Urol. 143:295A, 1990 

 

	8.	Goel, M., Rosenberg, J.C., Sundareson, A.S., Madon, S., Khatib, G., Reinhart, H., McGuire, N.: Human pulmonary dirofilariasis in Michigan: Report of two cases. 1990 Michigan Scientific Meeting, American College
of Physicians, Traverse City, MI 

  

	9.	Reinhart, H., Obedeanu, N., Korzeniowky, O., Kaye, D., Sobel, J. D.: Urinary excretion of Tamm Horsfall protein in elderly women. 30th Interscience Conference on Antimicrobial Agents and Chemotherapy (ICAAC),
Atlanta, GA, 1990, Abstract # 521, p. 173. 

  

	10.	Reinhart, H., Obedeanu, N., Merzbach, D., Sobel, J. D.: Effect of Tamm Horsfall protein (THP) on chemiluminescence (CL) response of polymorphonuclear leukocytes (PML) to uropathogenic Escherichia coli. 30th
Interscience Conference on Antimicrobial Agents and Chemotherapy (ICAAC), 1990, Atlanta, GA, 1990, Abstract # 520, p. 173. 

  

	11.	Reinhart, H., Robinson, R., Obedeanu, N., Sobel, J.: Quantitation of Tamm-Horsfall protein in its native aggregational state and after dilutional disaggregation. 17th International Congress of Chemotherapy (ICC),
1991, Berlin, FRG, Abstract # 1058 

  

	12.	Reinhart, E., Reinhart, H., Palmer, K.: Lack of pulmonary toxicity in rats exposed to aerosolized sulfonamides. 32nd Interscience Conference on Antimicrobial Agents and Chemotherapy (ICAAC) 1992, Anaheim, CA,
Abstract # 1478, p. 357 

  

	13.	Snydman, D., Fink, M., Niederman, M., Reinhart, H.: Treatment of Severe Pneumonia in Hospitalized Patients: Results of a Multicenter, Randomized, Double-Blind Trial Comparing Intravenous Ciprofloxacin with
Imipenem/Cilastatin. 33rd Interscience Conference on Antimicrobial Agents and Chemotherapy (ICAAC), New Orleans, LA, 1993, Abstract #637 

  

	14.	Solomkin, J., Reinhart, H.: Results of a trial of IV or IV/PO ciprofloxacin/metronidazole versus imipenem for complicated intraabdominal infections. 34th Interscience Conference Antimicrobial Agents Chemotherapy
(ICAAC), 1994, Orlando, FL, Abstract #K1, p. 4 

  

	15.	Reinhart, H.: Treatment of severe pneumonia in hospitalized patients: Results of a multicenter, randomized, double-blind trial comparing intravenous ciprofloxacin with imipenem. 5th bit. Symp. New Quinolones,
Singapore, August 1994: Abstract #141: p. 21/184 

  

	16.	Solomkin, J., Reinhart, H.: Results of a trial of IV and/or PO ciprofloxacin/metronidazole versus imipenem for complicated intra-abdominal infections. 7th European Congress of Clinical Microbiology and Infectious
Diseases (ECCMID) March 1995, Vienna, Austria, Abstract #1124, p. 218-219 

  
 B-4 

	17.	Snydman, D., Niederman, M., Haverstock, D., Fink, M., Reinhart, H.: Monotherapy for treatment of severe pneumonia: Implications of Pseudomonas aeruginosa (PA). 7th European Congress of Clinical Microbiology and
Infectious Diseases (ECCMID), 1995, Vienna, Austria, Abstract #1125, p. 219 

  

	18.	Reinhart, H., Yaniv, I., Haverstock, D., Segev, S.: Safety of long-term therapy with ciprofloxacin. A review of data from controlled clinical trials. International Congress of Chemotherapy (ICC), July 1997,
Sydney, Australia, Abstract #3267, p. 91 

  

	19.	Choudhri, S., Pause, C., Haverstock, D., Reinhart, H.: Retrospective validation of the American Thoracic Society (ATS) guidelines for excluding patients with nosocomial pneumonia due to risk group 3 organisms.
IDSA, New Orleans, Sept. 2000 

  

	20.	Loose, M., Naber, K., Shields, P., Reinhart, H., Wagenlehner, F.: Urinary Concentrations and Bactericidal Activity of Tobramycin in Healthy Subjects Receiving a Single Oral Dose (600 Milligrams). ASM MICRO 2017,
New Orleans, LA, Poster #: 1283, June 01- 05, 2017 

 PRESENTATIONS 

Refereed internationally: 
  

	1.	Sobel, J., Reinhart, H.: Host factors in the pathogenesis of urinary tract infections. 16th International Congress of Chemotherapy (ICC), Jerusalem 1989 

 

	2.	Reinhart, H., Obedeanu, N., Sobel, J.: Evaluation of Tamm-Horsfall protein binding to various urinary isolates of Escherichia coli. 29th Interscience Conference on Antimicrobial Agents and Chemotherapy (ICAAC)
1989, Houston, TX 

  

	3.	Reinhart, H., Obedeanu, N., Sobel, J.: Adherence properties of Tamm Horsfall protein (THP) to vaginal, buccal and uroepithelial cells. 29th Interscience Conference on Antimicrobial Agents and Chemotherapy (ICAAC)
1989, Houston, TX 

  

	4.	Spencer, J., Reinhart, H., Sobel, J.: Quantitation of urinary Tamm Horsfall protein in girls with and without recurrent urinary tract infections. Convention of the American Urological Association, 1990 Annual
Meeting, New Orleans, LA 

  

	5.	Reinhart, E., Reinhart, H., Palmer, K.: Lack of pulmonary toxicity in rats exposed to aerosolized sulfonamides. 32nd Interscience Conference on Antimicrobial Agents and Chemotherapy (ICAAC) 1992 Anaheim, CA

  

	6.	Rubinstein, E., Bergan, T., Ball A.P., Beam, T.R., Goldberger, M.J., Reinhart, H.: Panel Discussion: Future role and uses of quinolones. Infect, DIs. Clin. Pract. 3 (suppl. 3): p.
215-218, 1994. Quinolones: The present and the future. Moderators: Neu, H.C. et al., Chantilly, Virginia, August 1993 

  
 B-5 

	7.	Solomkin, J., Reinhart, H.: Results of a trial of IV +/- PO ciprofloxacin/metronidazole (C/M) vs. imipenem (I) for complicated intraabdominal infections. 34th Interscience Conference on Antimicrobial Agents
and Chemotherapy (ICAAC) 1994, Orlando, FL 

  

	8.	Reinhart, H., and the Severe Pneumonia Study Group: Treatment of severe pneumonia in hospitalized patients: Results of a multicenter, randomized, double-blind trial comparing intravenous ciprofloxacin with
imipenem/cilastatin. 5th International Symposium on New Quinolones, Singapore, August 25-27,1994 

  

	9.	Reinhart, H.: Ciprofloxacin in intra-abdominal, gastro-intestinal, and skin/soft tissue infections: Review of recent efficacy and safety data, Taipeh, Taiwan, May 28, 1994 

 

	10.	Burnett, R., Dellinger, E., Reinhart, H,, Bohnen, J., James, L., Solomkin, J.: Definition of the role of Enterococcus in intraabdominal infection: Results of a prospective randomized trial. 52nd Annual Meeting of
the Central Surgical Association, March 9-11, Cleveland, OH, 1995 

  

	11.	Reinhart, H.: Challenges and Opportunities in Antibiotic Drug Development. Brit. Soc. Antimicrob. Chemother. Meeting, Birmingham, March 2004 

 

	12.	Reinhart, H. Development of Anti-Infectives: Available Markets, Potential Barriers to Success, and Outlook on Future Directions. NIAID Summit Meeting, Bethesda, MD, August
16-17, 2004 

 BLOG PAGES 

The text and pictorial content of 169 blog pages at the web site www.allphasepharma.com 

  
 B-6 

 __ No inventions or improvements 

__ Additional Sheets Attached 
 Signature of Employee: /s/
Harald Reinhart              
 Print Name of Employee: Harald
Reinhart                 
 Date: May 19, 2017 

  
 B-7 

 SCHEDULE 1 

EXTERNAL AFFILIATIONS 
 The Employee will be
permitted to retain his current ownership interest in Allphase Pharma Consulting, LLC (“APPC”) during the term of the Agreement and for the duration of the Restriction Period, subject to the requirement that the Employee will cause
APPC to cease all business and/or commercial activities of APPC within 60 calendar days from the Effective Date (the “Required Business Cessation Date”), with the understanding that the Employee may continue to maintain the
corporate good standing of APPC through payment of required franchise taxes and annual registration fees. In consideration for the Employee agreeing to suspend all business and commercial activities of APPC, the Company will provide a one-time lump sum payment in the amount of US$200,000 to the Employee with five (5) business days following the delivery of written confirmation by the Employee to the Company that he has terminated all
business and commercial activities of APPC (which notice must be delivered on or before the Required Business Cessation Date). 

  

SIGNATURE PAGE OF EMPLOYMENT AGREEMENT 

 ZAI LAB (HONG KONG) LTD. 

Room 1902, 19/F 
 Lee Garden One

 33 Hysan Avenue 
 Causeway Bay,
Hong Kong 
 August 30, 2017 

Dr. Harald Reinhart 
 #### ### ##### 

#####, ###### 

Re:    Amendment to Employment Agreement 

Dear Dr. Reinhart: 
 Reference is made to
the Employment Agreement dated as of May 7, 2017 between you and Zai Lab (Hong Kong) Ltd. (the “Company”) (the “Employment Agreement”). 

In connection with your transition to full-time status with the Company, you and the Company desire to amend the Employment Agreement as
follows: 
 1.    Your Base Salary (as defined in the Employment Agreement) will be increased to US$375,000, with
retroactive effect as of August 1, 2017. 
 2.    You will be granted an additional option to purchase 100,000
ordinary shares of Zai Lab Limited (“Zai Cayman”) at an exercise price equal to the offering price of Zai Cayman’s American Depositary Shares which are issued and sold upon the consummation of the Zai Cayman’s initial
public offering (the “New Option”). The New Option will vest in accordance with the standard vesting schedule of Zai Cayman as set out in the 2017 Equity Incentive Plan of Zai Cayman (the “Plan”). The New Option
will be subject to the terms, definitions and provisions of the Plan and the stock option agreement to be entered into between you and Zai Cayman with respect to the New Option. We note that the number of shares covered by the New Option reflects
the capital structure of Zai Cayman following the effectuation of a reverse stock split pursuant to which every six shares of Zai Cayman stock has been consolidated into one share of Zai Cayman stock (the “Reverse Split”). The
Reverse Split was approved and effectuated on August 30, 2017. 
 3.    Section 1.1 of the Employment
Agreement is hereby amended and restated in its entirety to read as follows: 
 “Employment by Company. The Company agrees to
employ the Employee as its Chief Medical Officer – Autoimmune and Infectious Disease, to render such services and to perform such duties and responsibilities as are normally associated with and inherent in the aforementioned role and the
capacity in which the Employee is employed, as well as such other duties and responsibilities as shall from time to time be assigned to the Employee by the Chief Executive Officer of the Company, with the understanding that the Employee will report
directly to the Chief Executive Officer of the Company. The Employee accepts such employment and agrees to faithfully perform and 

 
render the services required of the Employee under this Agreement. Except for reasonable vacations, absences due to temporary illness, and activities that may be mutually agreed to by the
parties, the Employee shall devote his entire time, attention and energies during normal business hours and such evenings and weekends as may be reasonably required for the discharge of his duties to the Business Of The Company and the performance
of the Employee’s duties and responsibilities under this Agreement.” 
 4.    The third sentence of
Section 1.3 of the Employment Agreement is hereby amended and restated in its entirety to read as follows: 

“The Employee or his associate(s) is precluded from owning an interest (legal and beneficial, direct and indirect) in another company or
serving as an employee, director, consultant, advisor or member of such another company that may be directly competitive or directly in conflict with the Company until such interest is presented to the Board and the Board consents to such interest
or employment.” 
 5.    Section 3.3 of the Employment Agreement is hereby amended and restated in its
entirety to read as follows: 
 “Bonus. At the conclusion of each calendar year during the time for which the Employee’s
employment under this Agreement is not terminated (the “Employment Period”), the Employee may be entitled to receive an annual bonus, the amount of which shall be determined by the Board in its discretion.” 

Except as expressly amended by this Amendment, the Employment Agreement remains in full force and effect. 

You acknowledge and agree that the Employment Agreement sets forth your entire agreement with the Company concerning your compensation
arrangements and there are no other understandings or agreements, written or oral, with the Company or any of its affiliates with respect to your compensation arrangements. 

This Amendment may be executed in multiple counterparts (including by PDF or facsimile) all of which taken together will constitute one and
the same agreement. Subject to the immediately preceding sentence, this Amendment and the rights and benefits contained herein will inure to the benefit of, and be binding upon, each of the parties hereto and their respective heirs and successors.

 [Remainder of this page intentionally left blank] 

  
 2 

 If the foregoing is acceptable to you, please sign this Amendment in the space provided below. At
the time you sign this letter, it will take effect as a binding agreement between the parties hereto. 
  

			
	 Sincerely,

		
		 	
	ZAI LAB (HONG KONG) LTD.
	
	
	 By:
	 	 /s/ Samantha Du

		 	 Samantha Du

		 	 Chairperson and CEO

  

			
	Agreed to as of the date first written above:
	
	
	 /s/ Harald Reinhart

	 Harald Reinhart

  
 3EX-10.18

 Exhibit 10.18  

Zai Lab (Shanghai) Co., Ltd. 

Employment Contract 
 Party A: Zai Lab
(Shanghai) Co., Ltd. 
 Registered Address: Room 502, 1043 Halei Road, Pudong New Area, Shanghai 

Legal Representative: Ying Du 
 Party B: Ying Du 

Residential Address: ### ###, #### ####, ### ## ####, ######## 

Tel.: #### ### #### 
 Nationality: United States of America 

ID (Passport) Number: ######### 

 Based on the principles of equality, free will and good faith, in accordance with the Labor Law of the
People’s Republic of China, the Labor Contract Law of the People’s Republic of China and other applicable laws, regulations and rules, after Party A has truthfully notified Party B of the related information involved in the
employment contract, Party A and Party B have entered into this Employment Contract (the “Contract”) with respect to the establishment of an employment relationship between the Parties, the rights and obligations of the Parties and
other relevant matters. Both Parties commit to be bound by the terms and conditions of this Contract. 
 Section 1. Conditions
Precedent to the Contract 
  

	Article 1.1	Party B hereby represents, undertakes and warrants that: 

  

	 	1.	Commencing from the execution date of the Contract, Party B is not in any labor or employment relationship with any third party or is subject to any Non-Compete Period
restriction. Party B further warrants that there exists no issue with any third party that may affect the effectiveness or the performance of this Contract. 

  

	 	2.	After Party B is employed by Party A, Party B’s engagement in any work assigned by Party A will not infringe trade secrets or other legal interests of any third party; otherwise, Party B will be solely liable for
such infringement. 

  

	 	3.	Commencing from the work start date of Party B with Party A, Party B has obtained requisite governmental approvals and completed registrations required for the employment of Party B by Party A at the domicile of Party
A. 

  

	 	4.	Commencing from the work start date of Party B with Party A, Party B has obtained requisite qualifications, licenses and/or permits for performing his/her job duties as set forth in this Contract, and will maintain the
foregoing qualifications, licenses and/or permits during the Term hereof. 

  

	 	5.	All the materials provided by Party B to Party A during the recruitment process are true and accurate, including but not limited to the facts set out in the resume of Party B or any information provided by Party A
during the interview. 

  

	 	6.	Party B is in a good health condition on the work start date, and within 30 days after the work start date, Party B shall at the request of Party A conduct a health checkup at the hospital/clinic designated by Party A,
and the health check result shall be consistent with Party B’s statement on his/her good health condition. 

  

	 	7.	Party B confirms that Party A has truthfully informed Party B of the scope of work, working conditions, working location, occupational hazards, safe production conditions, remuneration, and other employment conditions
that Party B requests to know. 

  

	 	8.	Party B shall ensure that his/her basic information (including address) set forth on the first page of this Contract is true and valid, and is willing to undertake any legal consequence resulting from inaccuracy of such
information. In the event that any basic information of Party B has changed within the Term hereof, Party B shall notify Party A in writing within a reasonable period of time, and Party B shall be liable for any legal consequence resulting from any
delay of notification of such change. 

  
 2 

 Section 2. Term of Employment Contract 

 

	Article 2.1	The term of this Contract shall not be fixed and shall be effective as of July 1, 2017 (the “Effective Date”). 

 

	Article 2.2	In the event Party B fails to meet relevant recruitment requirements during the Probationary Period, Party A may immediately terminate this Contract, without liability to make any payment of economic compensation to
Party B. The circumstances of not meeting recruitment conditions during the Probationary Period include, without limitation: 

  

	 	1.	Party B forges academic qualifications, certificates or proof of work experiences, or any content in Party B’s resume or any job application registration form is not consistent with actual situation of Party B, or
Party B makes untrue statement to Party A, such as concealing medical history and/or falsifying work experiences; 

  

	 	2.	Party B has mental illness or serious infectious disease, or the health check result of Party B does not satisfy the requirements of Party B’s work position, or Party B fails to timely provide all materials
necessary for the employment in accordance with Party A’s requirements; 

  

	 	3.	Party B has employment relationship with any other employer and/or Party B owes non-compete obligations to his/her previous employer which will restrict Party B from serving Party
A; 

  

	 	4.	Party B fails to complete the relevant work according to Party A’s written or oral instructions, position statements, job description, or other work requirements, or Party B fails to meet the job requirements of
his/her position; 

  

	 	5.	Party B’s working philosophy and attitude is in conflict with Party A’s culture; or 

  

	 	6.	Party B fails to pass any assessment or evaluation conducted by Party A during the Probationary Period. 

  

	Article 2.3	Party A shall timely review the performance of Party B prior to the expiration of the Probationary Period. If Party B fails to pass the performance review, Party B shall be considered as failing to meet recruitment
conditions during the Probationary Period, in which case Party A shall be entitled to immediately terminate this Contract, without liability to make any payment of economic compensation to Party B. 

 

	Article 2.4	This Contract shall be terminated upon expiration of the Term. This Contract may be renewable upon mutual agreement of the Parties. 

  

	Article 2.5	If the commencement date of this Contract is inconsistent with the commencement date of the actual work, the employment relationship between Party A and Party B shall commence from the commencement date of the actual
work, and the Term of this Contract and the Probationary Period shall also start from the commencement date of the actual work. 

  
 3 

 Section 3. Scope and Location of Work 

 

	Article 3.1	Party A hereby appoints Party B as Chairperson of the Board of Directors and Chief Executive Officer based on its operational conditions. The specific job descriptions will be provided by Party A separately.

  

	Article 3.2	The working place of Party B shall be in Shanghai (City). Party A may designate Party B to work in other locations as its business scope expands or to fulfil other operational management requirements. 

 

	Article 3.3	Party A may lawfully and reasonably adjust the position and working place of Party B, taking in to account Party A’s needs of work and Party’s profession, expertise, capability, performance and health
conditions as well as other factors. 

  

	Article 3.4	Party B shall complete the work in accordance with the scope, requirements and targets as arranged by Party A and shall meet the requirements on quality, quantity and time limit. Party B shall devote all working time,
energy and capacity to perform his/her duties and obligations under this Contract, and make his/her best efforts to improve and promote Party A’s business interests. 

 

	Article 3.5	Unless approved by Party A in writing in advance, Party B shall not engage in any business that is relevant with his/her duties at Party A or in conflict with Party A’s interests during the Term hereof, whether
during or outside working hours, for purposes other than performing his/her job duties for Party A or promoting Party A’s interests. 

Section 4. Labor Protection, Labor Conditions and Occupational Hazard Protection 

 

	Article 4.1	Party A shall provide Party B with a work environment in compliance with the national regulations on safety and health so as to ensure the personal safety of Party B and to protect Party B from any physical injury at
work. 

  

	Article 4.2	Party A shall provide Party B with necessary labor protection materials based on the actual needs of Party B’s position in accordance with the applicable national regulations. Party B shall enhance his or her sense
of self-protection and strictly follow the procedures of safe operation. 

  

	Article 4.3	Party A shall adopt occupational hazard protection measures in an active manner in accordance with the applicable national and local regulations so as to ensure the personal safety of Party B and to protect Party B from
any physical injury. 

  

	Article 4.4	Party A shall conduct regular health check as well as labor safety and health education for its employees in accordance with the applicable regulations. Party B shall attend the special trainings on labor safety and
labor protection organized by Party A and shall strictly implement the labor safety system, specifications for operation and such other labor disciplines formulated by Party A, and shall use the labor protection materials in a safe and standardized
manner. 

 Section 5. Remuneration 
  

	Article 5.1	Party A shall determine its salary system and the salary amounts taking into account its business operation status, profitability as well as relevant internal policies. 

  
 4 

	Article 5.2	Party B shall be entitled to remuneration upon his normal attendance for work and completion of his work assignment by Party A within the specified working time which has met both quality and quantity standards. The
amount of monthly salary of Party B is provided in the offer letter or the remuneration adjustment notice. Such monthly salary has included all the allowances and subsidies provided in the national or local regulations. 

 

	Article 5.3	Party A shall pay to Party B a monthly salary on the last day of each month, which may be postponed by Party A for a reasonable period if Party A is unable to make timely payment due to reasons not attributable to Party
A. 

  

	Article 5.4	Party B shall pay individual income tax in accordance with law, which shall be withheld and remitted by Party A and deducted from the monthly salary and year-end bonus (if any)
payable to Party B. 

  

	Article 5.5	Party A may make reasonable adjustments to the remuneration to Party B on the basis of the business operation status of Party A, the national price index, as well as the professional ability, performance, change in
position and location of Party B and other factors. Party B is willing to accept and follow the decisions of Party A. 

Section 6. Working Hours, Holidays and Leave 
  

	Article 6.1	The normal working hours of Party A shall be from 9 a.m. to 6 p.m. (including one (1) hour’s lunch time) from Monday to Friday. 

☐ Both Parties acknowledge that the standard working hour system will apply to Party B. Party B fully understands that Party A may
change the work shifts and working hours or extend the working hours of Party B or request Party B to work on holidays from time to time upon consultation with Party B, taking into consideration the specific job of Party B and the business needs of
Party A. Party B agrees to the changes in the work shifts, extension of working hours or working overtime during holidays as requested by Party A in accordance with the working hour system of Party A. For any overtime work requested or approved by
Party A, Party A shall provide compensation leave or remuneration to Party B in accordance with law. Party B shall not work overtime without prior approval of his/her supervisor. Party B is not entitled to any overtime-related benefits (such as
overtime pay or deferred holidays) for any overtime work that is neither requested nor approved in advance by Party A. 

☑ Both Parties acknowledge that the flexible working hour system will apply to Party B. The salaries of
Party B shall be the full compensation for his/her work—Party B will not be entitled to any overtime payment for extension of working hours during working days or working on holidays (non-national
holidays). Party B shall guarantee sufficient working time to ensure all work is completed appropriately and timely, and Party B shall arrive at Party A’s premises timely to perform job duties pursuant to Party A’s requirements. 

  
 5 

 ☐ Party B understands that Party A has been granted / is applying for / will apply for the
approval for flexible working hour system. If Party A obtains such approval, and if requested by Party A, Party B agrees to switch to the flexible working hour system and sign any document to effectuate such change. 

Both Parties acknowledge that if the Parties agree upon mutual consultation on an adjustment of the duties of Party B, the working hour system
applied to Party B may be adjusted accordingly. 
  

	Article 6.2	Party B shall be entitled to all national holidays and other holidays prescribed by the internal policies of Party A. 

  

	Article 6.3	During any period that Party B is employed by Party A, Party A may request Party B to take annual leave, as long as Party A continues to pay Party B the salary and benefits that Party B is entitled to hereunder. During
the vacation period, Party A may request Party B: 

  

	 	1.	to stop performing Party B’s responsibilities and obligations hereunder; 

  

	 	2.	not to enter Party B’s workplace, or workplace of Party A or any other group member; or 

  

	 	3.	not to contact any employee, agent, vendor, client or customer of Party A or any other group member, unless otherwise instructed by Party A in writing. 

Where Party A arranges the employee to take annual leave pursuant to this Article, such number of annual leave days shall be deducted from the
number of Party B’s paid annual leave entitlements. 
  

	Article 6.4	If Party B needs to take leave for more than one working day due to non-work-related illness or injury, Party B must provide Party A with the written record, proof or any other
type of written documents for such illness or injury, including but not limited to the sick leave certificate, registered sheet, medical record, invoices issued by the hospital. Failure to provide such written certificates will result in the
deduction of a pro rata amount corresponding to such leave from Party B’s monthly salary. 

  

	Article 6.5	If Party B is taking or plans to take sick leave for more than 30 consecutive calendar days, Party A shall have the right to appoint another person to fill in the vacancy of Party B during the absence of Party B. If any
other person has taken Party B’s original position when Party B returns from his/her sick leave, Party A is entitled to move Party B to another appropriate position to the fullest extent practicable, according to Party B’s health condition
and job skills. Such position for Party B does not necessarily need to have the same job responsibilities, position level or salary level as the original position held by Party B. Party A shall have no obligation to create a new position especially
for Party B under such circumstances. 

 Section 7. Social Insurances and Benefits 

 

	Article 7.1	Party B shall be entitled to benefits for illness or non-work related injury in accordance with the applicable laws, regulations and relevant provisions. 

  
 6 

	Article 7.2	Party B shall be entitled to benefits for work-related injury, and pregnancy, maternity leave and nursing leave of the female employee in accordance with the applicable laws, regulations and relevant provisions.

  

	Article 7.3	Party A shall contribute social insurance and housing provident fund for Party B in accordance with PRC regulations, and may establish supplementary medical insurance and accident insurance accounts for Party B based on
the actual situation of Party A. Party B is also required to contribute his portion of the amount into his social insurance and housing provident fund accounts, and Party A shall withhold and deduct such amount from the salary payable to Party B.
Party B guarantees that Party B will submit valid personal information certificates required by Party A for making contributions to social insurance and housing provident fund. Party B shall be liable for any consequence resulting from any delay in
submitting these certificates to Party A. 

  

	Article 7.4	If Party B is a foreign citizen, overseas permanent (long-term) residency holder, or resident from Hong Kong, Macau or Taiwan, Party A and Party B agree that Party B will not participate in the social insurance and
housing provident fund scheme. Party A will establish a supplementary medical and accident insurance scheme for Party B in accordance with the actual situation of Party B and Party A. 

 

	Article 7.5	Party A may adjust the benefits entitled by Party B based on Party A’s business operation status, profitability and other factors in accordance with law. 

Section 8. Labor Discipline, Rewards and Punishments 
  

	Article 8.1	Party A will develop or amend internal rules and policies which are in compliance with the laws and regulations and necessary for its business development. Party A shall be responsible for supervising the daily
activities of Party B and ensure his or her compliance with the labor disciplines in accordance with relevant rules and policies. 

  

	Article 8.2	Party B must abide by PRC laws, rules and regulations as well as the internal rules and policies of Party A, otherwise Party A has the right to impose punishment on Party B in accordance with its internal rules and
policies. 

  

	Article 8.3	Party B shall carefully read the contents of each rule or policy publicly released by Party A in order to be timely informed of all information about Party A. Party B shall be solely liable for any consequence arising
from the failure of Party B to be timely informed of the aforesaid information. 

  

	Article 8.4	During the Term of this Contract, Party A may amend its employee handbook and other rules and policies, or develop new rules and policies. If there is any inconsistency between the original policies and the new
policies, Party B agrees to implement the new policies. 

  

	Article 8.5	Party B shall properly keep the assets of Party A and shall return the assets to Party A when leaving his or her position for any reason. Party B shall compensate Party A if Party B negligently loses any asset or
intentionally damages any assets. 

  

	Article 8.6	Party A will, on a case-by-case basis, provide moral incentives and material rewards for employees who set a good example for complying
with its rules and policies as well as employees who perform excellent work. 

  
 7 

	Article 8.7	Party A will, on a case-by-case basis, impose punishments on employees who violate the rules, policies and labor disciplines of Party A,
varying from oral or written warnings and disciplinary punishment to termination of employment. Party B shall be liable to compensate Party A in accordance with law for any economic loss arising from any violation of relevant rules or policies by
Party B. 

 Section 9. Confidentiality, Ownership of Intellectual Property and
Non-Compete 
  

	Article 9.1	For the purpose of this Contract, “confidential information” shall mean any trade secret or other information in connection with the business, finance or operation of Party A or its affiliates or any trade
secret or other information of any client or supplier which has not been disclosed by any representative duly authorized by Party A. For example, confidential information shall include, but not limited to, trade secrets, processes, recipes,
concepts, inventions, improvements, know-how, negative know-hows, technologies, drawings, designs, original writings, source codes and object codes, data, software programs, plans, proposals, strategic plans,
marketing and sales plans, information, blueprints, production methods, capacities, specifications and promotional concepts in relation to any research, development, manufacturing and new products, the skills and remuneration information relating to
other employees of Party A, and all other ideas, information or concepts relating to any current or potential business of Party A. 

  

	Article 9.2	Party A and Party B acknowledge that Party B will inevitably have access to the trade secrets and IP-related confidential information of Party A during the performance of work
duties by Party B, that Party A has ownership and proprietary right over such information, and that Party B is obligated to keep such information in confidence. Party B understands and agrees that, the only purpose of Party B’s access to such
confidential information is for Party B’s performance of work in the interests of Party A, and any breach of this Contract will cause irrevocable damages to Party A’s material and sustainable investment interests in such confidential
information. During the Term of employment and at any time thereafter, Party B shall strictly keep confidential the confidential information and must not directly or indirectly use or disclose any confidential information to any individual,
enterprise or company except for the performance of work duties for Party A. Party B further agrees that, Party B shall not copy any confidential information without explicit authorization by Party A. 

 

	Article 9.3	Party B acknowledges that Party A or its affiliates may obtain from a third party the confidential or proprietary information of such third party, and the Company or its affiliates may be obligated to keep confidential
of such information and utilize the same only for restricted purpose(s). Party B agrees that, without the specific written authorization of Party A, Party B shall not disclose, utilize or assist in utilizing or disclosing any such third-party
confidential or proprietary information, except that this is necessary for Party B’s normal performance of duties as an employee of Party A and complies with the agreement between Party A or its affiliates and such third
party.

  

	Article 9.4	Upon Party B’s resignation or at the request by Party A, Party B shall return to Party A any medium containing confidential information, including but not limited to documents, materials, charts, notes, reports,
letters, fax transmissions, tapes, disks, CDs, emails and devices. If such medium belongs to Party B, Party B shall permanently remove the confidential information from the medium, or at Party A’s request, transfer such medium to Party A
according to the value of such medium itself. Party A shall have sole discretion as to which method shall be taken. 

  
 8 

	Article 9.5	Party B warrants that during the communications with Party A and during the Terms of employment by Party A, Party B will neither disclose to Party A the trade secrets or confidential information of any third party,
including the ex-employers of Party B, nor utilize such third-party trade secrets or confidential information without authorization when working for Party A. If, as a result of Party B’s violation of this
Article, a third party claims that Party A has infringed its rights, Party B shall bear all costs incurred by Party A when it responds to such legal action; and Party A shall have right to recover from Party B any damages borne by Party A.

  

	Article 9.6	Party B warrants and undertakes to comply with any rules and policies of Party A regarding confidentiality as well as any trade secret confidentiality agreement otherwise entered into with Party A, and be subject to the
confidentiality obligations applicable to his/her position. 

  

	Article 9.7	During Party B’s employment by Party A and within one (1) year after Party B’s departure, Party B, any invention, creation, work (the term “work” herein shall have the same meaning with that
under Copyright Law of the People’s Republic of China), know-how, discovery, technology improvement, technology development, technique, creative idea, design, conception, composition or other confidential
information which is achieved individually by Party B or jointly by Party B and others (i) for the performance of duties, (ii) relating to or resulting from Party B’s service at Party A, (iii) in relation to any existing or
anticipated ongoing research and development of Party A, or (iv) mainly using the materials and technical resources of Party A (including, but not limited to, the funding, equipment, component, raw materials, proprietary information of Party A)
(collectively “Work For Hire”), and the relevant ownership and intellectual property rights to the Work For Hire (including, without limitation, patent application right, patent right, copyright, trademark, commercial secret, etc.)
shall belong to Party A. The Work For Hire may be the work done by Party B when performing his/her own duties or when working on the assignments by Party A outside of the scope of Party B’s own duties. 

 

	Article 9.8	Party B acknowledges that Appendix 1 “Existing Inventions of Employees” has included all inventions and creations, works, know-hows and other proprietary information completed or conceived by Party B before
Party B’s acceptance of employment by Party A, whether or not patents or relevant property rights have been attached to them. Such inventions and creations, works, know-how and other proprietary
information shall be excluded from Work For Hire. If Party B does not have any such inventions and creations, works, proprietary technologies and other proprietary information that need to be excluded from Work For Hire, Party B shall make a
declaration in Appendix 1 and sign on it. 

  

	Article 9.9	During Party B’s employment by Party A and within one (1) year after Party B’s departure, Party B shall immediately report to Party A in writing upon Party B’s acquisition of any invention and
creation, works, know-hows or other proprietary information, whether it is a Work For Hire or not. 

  

	Article 9.10	At the request of Party A, Party B shall provide all assistances deemed necessary by Party A to acquire and enforce worldwide all kinds of intellectual property rights generated from the Work For Hire. Party A may need
to apply for, maintain, enforce the intellectual property rights of the Work For Hire created by Party B or utilize such rights for other reasonable purposes. Party B agrees to cooperate with Party A in signing, certifying and submitting relevant
documents as instructed by Party A or take other actions required by Party A, including acting as a witness. The obligation of Party B to assist Party A in applying for, and maintaining intellectual property rights mentioned in this Section shall
survive after the termination of the employment relationship between the Parties. Without the written consent of Party A, Party B shall not apply for or register any intellectual property right with respect to any Work For Hire, or amend, change or
revoke relevant legal documents during the process of application, registration and maintenance. 

  
 9 

	Article 9.11	Party B hereby agrees to waive any right of first refusal he may have as to Party B’s Work For Hire when Party A transfers such Work For Hire to others. 

 

	Article 9.12	Party B shall record and keep the Work For Hire and other information and data produced and completed by Party B in a timely and effective manner as required by the rules and policies of Party A, and properly keep the
tangible medium that contains such information and data, including but not limited to experiment records, drafts, sketches, memoranda, statements, equipment, formulae, documents, mails, electronic flow and other materials. Such information and
medium shall be the property of Party A which is entitled to access or review such information at any time. Party B shall return all tangible medium containing such information and data, and shall not privately keep, duplicate the same or give the
same to others. 

  

	Article 9.13	For the Work For Hire attained by Party B, Party A shall pay to each of Party B and the other inventors of such Work For Hire RMB 5,000 as a reward and remuneration for such Work For Hire. Upon acceptance of the
patent application, Party A shall pay to Party B and the other inventor of such Work For Hire half of such reward and remuneration, i.e. RMB 2,500, respectively, and then pay to Party B and the other inventor of such Work For Hire the
remaining half of such amount of RMB2,500 respectively after the patent has been granted (the patent shall be deemed to have been granted as long as the patent has been granted in one country). 

If the implementation (by Party A or another person licensed thereby) of such Work For Hire incurs economic benefits or is transferred, Party
A shall not pay to Party B any money, reward or remuneration. However, Party A shall deem it as the work performance of Party B and an important basis for promotion assessment. 

 

	Article 9.14	Party B shall be obligated to protect the capital, reputation, technologies and trade secrets of Party A. Party B shall be liable to recover losses and provide compensation in accordance with the applicable laws as well
as the internal rules and policies of Party A for any losses actually suffered by Party A due to any intentional or negligent act of Party B. 

  

	Article 9.15	During the Term of employment, Party B shall not engage in any conduct or commercial activity that is conflicting with the interests of Party A or competes with the business of Party A, including, but not limited to,
working for any entity that competes with Party A, establishing any entity that competes with Party A or operate any related business. If Party B is found to be in violation with the foregoing, Party A shall have the right to take corresponding
actions in accordance with its internal rules. 

  

	Article 9.16	During the Term of this Contract, Party B shall neither engage in any business for his/her own interest or any third party’s interest nor serve concurrently in any private or public entity without the written
consent of Party A. Relatedly, Party B agrees to contribute all of his/her time and energy in the work during normal working hours and other working hours necessary for his/her work for Party A. Party B shall neither act as a member of the board of
directors of any other company nor act as a director of any listed company without the prior approval of Party A. Party B shall not own any external benefits which may be harmful to Party A or impair or affect the work performance of Party B in any
aspect. 

  
 10 

	Article 9.17	If Party B participates in any professional training with the fee paid by Party A or an affiliate of Party A (including but not limited to
on-the-job training and overseas training) or if Party B receives any other high-value special treatment from Party A or an affiliate of Party A, Party B shall, upon the
request of Party A, execute a service period agreement with Party A setting forth the term of service and liquidated damages. If Party B voluntarily resigns before expiration of the service period or is terminated by Party A due to reasons
attributable to Party B within the service period, Party B shall be liable for indemnification in accordance with the service period agreement and the applicable laws and the internal rules of Party A. 

 

	Article 9.18	In view of the fact that Party B may obtain the business process, technologies, trade secrets or other confidential information of Party A or its affiliates during his/ her employment by Party A as senior officer or
technical or professional staff, Party B agrees that, during the Term of employment of Party B by Party A and within [two (2) years] after such employment is rescinded or terminated for whatever reasons (the “Non-Compete Period”), Party B shall not directly or indirectly be employed by any competitor, or otherwise provide services to any competitor, or directly or indirectly establish or operate, whether on its
own or in collaboration with any third party, any business or entity that competes with Party A, or otherwise engage in any competing business. 

The Parties acknowledge that, the term “competing business” in this Article shall refer to any technology, process, product
or service, whether existing or under development, of any organization or individual other than Party A, which is same with, similar to or competing with any technology, process, product or service involved in the work conducted by Party B during
his/her employment by Party A or relating to the confidential information of Party A obtained by Party B; and the term “competitor” in this Article shall refer to any organization or individual who is conducting or will conduct the
competing business (including, but not limited to, research, development, purchase, manufacturing, marketing, sale or import). To the fullest extent permitted by law, “Party A” in this Article shall include all braches and
affiliates of Party A. 
  

	Article 9.19	As the full consideration for Party B’s undertaking the forgoing non-compete obligation after his/her departure from the company, Party A will pay to Party B a corresponding
economic compensation (the “Non-Compete Compensation”) with the payment terms specified as follows: during the Non-Compete Period after Party B’s
departure, the economic compensation shall be paid monthly in an amount of 30% of the average monthly salary of the twelve (12) months immediately before the cancellation or termination of the employment relationship between Party B and Party
A; provided, however, that if the statutory minimum Non-compete Compensation provided in the applicable national or local regulations is higher than the above standard, both Parties hereby confirm that the Non-Compete Compensation shall comply with such minimum compensation standards. 

 Both
Parties agree that during the Non-Compete Period after Party B’s departure, Party A shall deposit on a monthly basis the Non-Compete Compensation due for the
current month into the personal bank account of Party B into which Party A paid the salary of Party B for the last time or another bank account of Party B of which Party A is otherwise notified. Party B hereby agrees that Party A shall not be liable
for any delayed or inadequate payment of the Non-Compete Compensation hereunder due to the false information of such accounts, change of such accounts, cancellation or freezing or such accounts or other
reasons not attributed to Party A, and Party B shall continue to perform the non-compete obligation hereunder. Party A shall be entitled to withhold and deduct the applicable individual income tax from the Non-Compete Compensation payable to Party B in accordance with the provisions of applicable laws and/or as required by the relevant administrative authorities. 

  
 11 

	Article 9.20	Party B hereby agrees that before the rescission or termination of his/her employment relationship with Party A, Party A shall be entitled to decide, in its sole discretion and by notifying Party B in writing, to
unilaterally waive Party B’s non-compete obligations hereunder after he leaves the Company. 

Section 10. Termination and Renewal of the Employment Contract 

 

	Article 10.1	Upon the occurrence of any of the circumstances set forth below, Party A shall be entitled to terminate this Contract after giving Party B a 30 days prior written notice (or paying to Party B an additional month of
basic salary in lieu of the 30 days prior written notice) and providing Party B with a statutory severance. 

  

	 	1.	Party B suffers an illness or a non-work-related injury and, after the statutory medical treatment period, is unable to undertake the original work or other work arranged by Party
A; 

  

	 	2.	Party B is incompetent to do the job, and still fails to be competent for the job after being trained or after his or her position is changed; 

 

	 	3.	There is a significant change to the objective circumstances on which this Contract is based, resulting in the failure to perform this Contract, and after the consultations by both Parties, no agreement can be reached
in respect of the modification of the content of this Contract; “A significant change in the objective circumstances” includes but is not limited to any reorganization or restructuring (including but not limited to revocation of work
functions or positions), relocation, asset transfer, or closure or revocation of any department/office. 

  

	 	4.	Party A needs to lay off employees because Party A is undergoing a legally required bankruptcy restructuring or because Party A is experiencing serious difficulties in production or operation (in which case the employer
must follow appropriate legal procedures to terminate employees); or 

  

	 	5.	Other circumstances provided by PRC laws or regulations. 

  

	Article 10.2	Upon the occurrence of any of the circumstances set forth below, Party A shall be entitled to terminate this Contract immediately without prior notice, without liability to make any payment of economic compensation to
Party B: 

  

	 	1.	Party B seriously violates the employment rules and policies of Party A, including but not limited to: (i) violating several times or continuously violating the rules and policies of Party A; (ii) violating
the employee handbook; (iii) violating confidentiality obligations of Party B, exclusive employment provisions, the obligation to maintain the job qualification, safe production and hygiene regulations, and/or seriously violating other policies
and procedures implemented by Party A from time to time. 

  

	 	2.	Party B commits serious dereliction in the performance of her duties, or practices graft, causing severe damage to the interests of Party A; 

  
 12 

	 	3.	This contract is invalidated if Party B commits fraud or uses coercive measures or takes advantage of Party A vulnerability to make Party A enter into this contract or to make amendments thereto against Party A’s
will; “fraudulent measures” includes but is not limited to concealing or falsifying education, work experience, qualifications or health status of Party B, or providing Party A with fake academic/degree certificates or
credential/qualification certificates, or other fake materials. 

  

	 	4.	Party B is prosecuted for criminal liability; 

  

	 	5.	Other circumstances prescribed by PRC laws or regulations specify that Party A may immediately terminate the labor relationship with Party B. 

 

	Article 10.3	Unless the Parties agree otherwise, Party B may terminate this Contract after the expiry of the Probationary Period by serving a thirty (30)-day prior written notice to Party A.
If Party B requests to terminate this Contract without serving a 30-day prior written notice, Party A shall be entitled to reject this request. Subject to approval of Party A, the resignation of Party B may
take effect from the date when Party A receives the resignation request. 

  

	Article 10.4	If Party B does not meet Party A’s recruitment criteria during the Probationary Period, Party A shall be entitled to terminate this Contract immediately without paying severance. Party B shall be entitled to
terminate this Contract by delivering a three (3)-day prior written notice to Party A during the Probationary Period. 

  

	Article 10.5	This Contract may be terminated upon mutual agreement by both Parties. 

  

	Article 10.6	Upon the occurrence of any of the circumstances set forth below, this Contract shall be terminated unless otherwise provided by PRC laws or regulations: 

 

	 	1.	The Term of this Contract has expired and the Parties do not renew this Contract; 

  

	 	2.	Party B reaches the statutory retirement age or starts to receive basic pension in accordance with law, is dead or has been declared dead or missing by any competent court; 

 

	 	3.	Party B fails to obtain or retain the necessary work permit and visa required under the PRC law in respect of the employment relationship hereunder (this only applies to employees with
non-mainland Chinese nationality); 

  

	 	4.	Party A ceases operation or dissolves; 

  

	 	5.	Party A has been declared bankrupt, has its business license revoked, or has been ordered to close in accordance with law; or 

  

	 	6.	Other circumstances agreed by the Parties or provided by PRC laws or regulations. 

  

	Article 10.7	Without prejudice to any other rights of Party A hereunder, Party A shall be entitled to early terminate this Contract under any circumstances by giving a notice to Party B one (1) month in advance or paying one
(1) month’s basic salary in lieu thereof, without liability to make any payment of economic compensation to Party B in both cases. 

  
 13 

	Article 10.8	If Party B is subject to any disciplinary or legal investigation, Party A shall have right to suspend Party B’s duties, provided that Party A shall pay to Party B appropriate salaries or allowances in accordance
with relevant PRC laws and regulations. If Party B is proven to have violated any discipline or law, Party A shall have right to terminate this Contract in accordance with the applicable laws and the provisions hereof. 

 

	Article 10.9	Party A may require Party B to stop working and/or stop performing his/her duties during the notice period (regardless whether the termination notice is made by Party A or Party B), provide that Party A shall pay to
Party B basic salaries for the notice period. 

  

	Article 10.10	If Party B ceases to work for Party A, Party B agrees that Party A may notify Party B’s new employer any ongoing obligations Party B remains subject to under this Contract. 

 

	Article 10.11	After the Contract is terminated or rescinded, 

  

	 	1.	Upon the request of Party A, Party B shall promptly return to Party A all the assets of Party A (including the assets which shall be returned in accordance with the employee handbook). Party B acknowledges and agrees
that Party A shall be entitled to withhold the last salaries and/or any other payment payable to Party B or offset the cost of such assets from such last salaries and/or any other payment if Party B fails to perform the foregoing obligations.

  

	 	2.	Party B shall complete the termination procedures in accordance with the laws applicable to non-Chinese employees working in China (this only applies to employees with non-mainland Chinese nationality); 

  

	 	3.	Party B shall continue to be bound by the Zai Lab Trade Secrets Confidentiality Agreement. 

  

	 	4.	Upon or after the termination or rescission of the employment relationship between the Parties, Party B may not purport, procure or permit any other person to purport that Party B remains in any way connected with Party
A or any related party. 

 Section 11. Personal Information 

 

	Article 11.1	Party B acknowledges and agrees that, before or during the Term of Party B’s employment by Party A, Party A may collect, maintain, use or transfer the personal information of Party B within or outside of China for
the purpose of human resource management, background check, special investigation or other lawful purposes in relation to the employment / business matters. Party A may transfer the personal information of Party B to other group companies within or
outside of China or to the supplier of Party A for the purpose of obtaining welfare for Party B or for other purposes related to human resource management. The collected personal information shall be solely used for lawful or relevant purposes.
Party A may take all practicable measures to ensure the accuracy of the personal information maintained by Party A. If there is any change to the personal information of Party B collected by Party A, Party B shall timely report such changes to Party
A. Party A shall take all practicable measures to ensure the security of such personal information and protect it from any unauthorized or accidental receipt or use by any third party. 

  
 14 

	Article 11.2	Party A’s information technology resources and communication system shall be the assets of Party A. Therefore, Party B shall expect to have no privacy over any information, document, file, data, fax, telephone
communication, dialogue or information publicized through social media, or any other kind of information or communications which are transmitted, received, sent, printed, saved or recorded in the electronic information and communication system of
Party A. Party A shall have right to, without further notice to Party B, monitor, intercept and review the activities which are carried out by Party B using Party A’s information technology resources and communication system. Party B
acknowledges and agrees that Party A may monitor Party B’s use of such resources and system. 

 Section 12. Non-Disparagement 
  

	Article 12.1	During or after the Term of Party B’s employment with Party A, Party B shall not make any negative comments or in other ways disparage Party A or its affiliates or their respective officers, directors, managers,
employees, shareholders, members, agents or products in a way detrimental to them, their business, commercial reputation or personal reputation, provided, however, that the following statements made by Party B shall not be regarded as violating the
forgoing: (i) the true statements made by Party B in response to legal proceedings, governmental requirements on deposition or filing, or administrative or arbitration proceedings (including, but not limited to the depositions related to such
proceedings), or (ii) the true statements made by Party B in good faith in the internal procedures of Party A in order to perform Party B’s duties to Party A during the Term of employment. 

Section 13. Breaches and Damages 
  

	Article 13.1	Either Party shall compensate the other Party if the other Party suffers economic losses due to its breach of this Contract. 

  

	Article 13.2	During the Term of this Contract, if Party B receives paid training from Party A, such matter shall be handled in accordance with the agreements on service period between the Parties. 

 

	Article 13.3	Party B acknowledges and agrees that any act of Party B in violation of any non-compete obligation hereunder would result in immeasurably severe damage to Party A. Therefore,
Party B agrees that in the event that Party B violates any non-compete obligation hereunder during the Non-Compete Period set forth herein, Party B shall:

  

	 	1.	immediately terminate any of its act in violation of the non-compete obligations hereunder and continue to perform such obligations hereunder; and 

 

	 	2.	return to Party A all Non-Compete Compensation already paid to Party B; and the non-compete obligations of Party B shall not be relieved;
and 

  

	 	3.	 pay the liquidated damages to Party A in an amount equivalent to two (2) times of twelve
(12) months’ aggregate salary prior to cancelation or termination of the employment relationship with Party A by Party B; and the non-compete obligations of Party B shall not be relieved. If the
period of the employment relationship between Party A and Party B is less than twelve (12) 

  
 15 

	 	
months, the forgoing twelve (12) months’ aggregate salary shall be twelve (12) times of the average monthly salary during the actual existence of the employment relationship. If
the breach by Party B results in an actual loss of Party A in excess of such liquidated damages, Party B shall further indemnify Party A such difference in loss. 

  

	Article 13.4	If Party B misappropriates Party A’s assets and cause damages to Party A, Party B shall return such assets and compensate Party A for its losses therefrom. If Party B obtains from Party A any interest which cannot
be justified by any law or contract, Party B shall return such unjust enrichment to Party A. 

 Section 14. Labor
Dispute 
  

	Article 14.1	The labor dispute resolution procedures shall apply to any dispute arising from the performance of this Contract by the Parties. 

  

	Article 14.2	The labor dispute resolution procedures shall be as follows: 

  

	 	1.	Party A and Party B resolve the dispute through consultation and negotiation; 

  

	 	2.	If the dispute cannot be resolved though consultation and negotiation, one or both Parties in dispute submit the dispute to the labor dispute arbitration committee for arbitration; 

 

	 	3.	Either Party that disagrees to the arbitration award may file a lawsuit within fifteen days following the receipt of the labor arbitration award to the people’s court having jurisdiction over the place where Party
A locates. 

 Section 15. Miscellaneous 
  

	Article 15.1	This Contract is executed in two copies with each Party holding one copy. This Contract shall become effective when signed or sealed by both Parties and both copies shall be equally effective. 

 

	Article 15.2	Any matter not specified herein shall be handled in accordance with the other agreements by the Parties. If there is no agreement between the Parties, such matters shall be handed in accordance with the applicable laws,
regulations and rules. If there is no applicable law, regulation or rule, the Parties shall enter into a supplemental agreement to this Contract based on the principles of equality, free will and good faith. 

 

	Article 15.3	The terms of Confidentiality, Intellectual Property, Non-Compete, Service Period, Applicable Laws, Labor Dispute and Non-Disparagement
under this Contract shall survive the termination of this Contract. 

  

	Article 15.4	Any notice, approval, consent or other communication given or made pursuant to this Contract shall be in writing and shall be delivered to the other Party by hand, by courier (such as EMS of China Post) or by email. All
communications shall be sent to the respective Parties at the addresses as set forth at the beginning of this Contract, or, for the purpose of this Article, to such other addresses subsequently modified by written notice given to the other Party.

  
 16 

	Article 15.5	No omission or delay to exercise any right or privilege accruing to either Party under this Contract shall be deemed a waiver of such right or privilege by such Party. No partial exercise of any right or privilege under
this Contract shall impede further exercise of such right or privilege. A waiver of remedies by either Party against the breach of any terms and provisions of this Contract shall not be construed as a waiver by such Party of remedies against any
subsequent breach, nor shall it be construed as a waiver of the other rights under such terms or provisions or under this Contract. 

  

	Article 15.6	Both Parties agree on the severability of the provisions of this Contract. If any provision of this Contract is entirely or partially rendered invalid or unenforceable, the other provisions of this Contract shall remain
in force and enforceable. 

  

	Article 15.7	In the event one or more provisions herein are inconsistent with the currently effective laws, regulations or rules, the applicable laws, regulations or rules shall prevail. If any applicable law, regulation or rule is
amended, the most updated and effective one shall prevail. The validity, legality and enforceability of the other provisions herein shall not be affected by such invalid provisions. 

Party B acknowledges and confirms that: 
 I have carefully read
and fully understood the contents of this Contract at the time of execution of this Contract. I have been fully informed of the contents, conditions, places, occupational hazards, safety operation conditions and remunerations of the work, as well as
the policies of Party A, including without limitation the employee handbook. I will strictly comply with these policies and perform the obligations therein. 
  

			
	 Party A:
  

Zai Lab (Shanghai) Co., Ltd.
  

Signature (Seal): [Seal of Zai Lab (Shanghai) Co. Ltd.]

 
 Date:
	  	 Party B:
  

Ying Du
  

Signature: /s/ Ying Du
  

Date:

  
 17 

 Appendix 1 Existing Inventions of Employees 

Name of Employee: 
 ID (Passport) Number: 

List of the inventions, work products, know-how or other proprietary information completed or conceived prior to
joining Zai Lab (Shanghai) Co., Ltd.: 
 Signature of the Employee: 

Date: 

  
 18

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