<SEC-DOCUMENT>0000902664-20-003304.txt : 20200914
<SEC-HEADER>0000902664-20-003304.hdr.sgml : 20200914
<ACCEPTANCE-DATETIME>20200914171919
ACCESSION NUMBER:		0000902664-20-003304
CONFORMED SUBMISSION TYPE:	SC 13D
PUBLIC DOCUMENT COUNT:		4
FILED AS OF DATE:		20200914
DATE AS OF CHANGE:		20200914

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			I-Mab
		CENTRAL INDEX KEY:			0001778016
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			E9
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13D
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-91674
		FILM NUMBER:		201173957

	BUSINESS ADDRESS:	
		STREET 1:		SUITE 802, WEST TOWER, OMNLVISION
		STREET 2:		88 SHANGKE ROAD, PUDONG DISTRICT
		CITY:			SHANGHAI
		STATE:			F4
		ZIP:			201210
		BUSINESS PHONE:		862160578000

	MAIL ADDRESS:	
		STREET 1:		SUITE 802, WEST TOWER, OMNLVISION
		STREET 2:		88 SHANGKE ROAD, PUDONG DISTRICT
		CITY:			SHANGHAI
		STATE:			F4
		ZIP:			201210

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			HILLHOUSE CAPITAL ADVISORS, LTD.
		CENTRAL INDEX KEY:			0001762304
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			E9
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13D

	BUSINESS ADDRESS:	
		STREET 1:		C/O DMS HOUSE, 20 GENESIS CLOSE
		STREET 2:		PO BOX 2587
		CITY:			GEORGE TOWN, GRAND CAYMAN
		STATE:			E9
		ZIP:			KY1-1103
		BUSINESS PHONE:		(345) 749-8643

	MAIL ADDRESS:	
		STREET 1:		C/O DMS HOUSE, 20 GENESIS CLOSE
		STREET 2:		PO BOX 2587
		CITY:			GEORGE TOWN, GRAND CAYMAN
		STATE:			E9
		ZIP:			KY1-1103

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Hillhouse Capital Advisors, Ltd.
		DATE OF NAME CHANGE:	20181218
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13D
<SEQUENCE>1
<FILENAME>p20-1668sc13d.htm
<DESCRIPTION>I-MAB
<TEXT>
<HTML>
<HEAD>
<TITLE></TITLE>
</HEAD>
<BODY>


<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse">
<TR>
    <TD STYLE="vertical-align: top; width: 99%; padding-right: 5.4pt; padding-left: 5.4pt; font: 11pt Times New Roman, Times, Serif; text-align: center">SECURITIES AND EXCHANGE COMMISSION</TD>
    <TD STYLE="width: 1%; font: 11pt Times New Roman, Times, Serif">&nbsp;</TD></TR>
<TR>
    <TD STYLE="vertical-align: top; font: 11pt Times New Roman, Times, Serif; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">Washington, D.C. 20549</TD>
    <TD STYLE="font: 11pt Times New Roman, Times, Serif">&nbsp;</TD></TR>
<TR>
    <TD STYLE="vertical-align: top; font: 11pt Times New Roman, Times, Serif; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">&nbsp;</TD>
    <TD STYLE="font: 11pt Times New Roman, Times, Serif">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD COLSPAN="2" STYLE="font: 11pt Times New Roman, Times, Serif; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">SCHEDULE 13D</TD></TR>
<TR STYLE="vertical-align: top">
    <TD COLSPAN="2" STYLE="font: 11pt Times New Roman, Times, Serif; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD COLSPAN="2" STYLE="font: 11pt Times New Roman, Times, Serif; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">Under the Securities Exchange Act of 1934</TD></TR>
<TR STYLE="vertical-align: top">
    <TD COLSPAN="2" STYLE="font: 11pt Times New Roman, Times, Serif; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">(Amendment No.)*</TD></TR>
<TR STYLE="vertical-align: top">
    <TD COLSPAN="2" STYLE="font: 11pt Times New Roman, Times, Serif; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD COLSPAN="2" STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
        <P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.75pt solid">I-MAB</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD COLSPAN="2" STYLE="font: 11pt Times New Roman, Times, Serif; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">(Name of Issuer)</TD></TR>
<TR STYLE="vertical-align: top">
    <TD COLSPAN="2" STYLE="font: 11pt Times New Roman, Times, Serif; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD COLSPAN="2" STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
        <P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.75pt solid">Ordinary
        Shares</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD COLSPAN="2" STYLE="font: 11pt Times New Roman, Times, Serif; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">(Title of Class of Securities)</TD></TR>
<TR STYLE="vertical-align: top">
    <TD COLSPAN="2" STYLE="font: 11pt Times New Roman, Times, Serif; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD COLSPAN="2" STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
        <P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.75pt solid">44975P103**</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD COLSPAN="2" STYLE="font: 11pt Times New Roman, Times, Serif; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">(CUSIP Number)</TD></TR>
<TR STYLE="vertical-align: top">
    <TD COLSPAN="2" STYLE="font: 11pt Times New Roman, Times, Serif; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD COLSPAN="2" STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
<DIV STYLE="margin-right: 32.3pt; margin-left: 37.5pt; padding: 0in 0in 1pt; border-bottom: Black 0.5pt solid">

        <P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0; text-align: center">Richard A. Hornung</P>
        <P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0; text-align: center">Hillhouse Capital Advisors, Ltd.</P>
        <P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0; text-align: center">20 Genesis Close</P>
        <P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0; text-align: center">George Town, Grand Cayman</P>
        <P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0; text-align: center">KY-1103 Cayman Islands</P>
        <P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0; text-align: center">+ 345-749-8643</P>
        <P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0; text-align: center">&nbsp;</P>
        <P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0; text-align: center">With a copy to:</P>
        <P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0; text-align: center">&nbsp;</P>
        <P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0; text-align: center">Eleazer N. Klein, Esq.</P>
        <P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0; text-align: center">Adriana F. Schwartz, Esq.</P>
        <P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0; text-align: center">Schulte Roth &amp; Zabel LLP</P>
        <P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0; text-align: center">919 Third Avenue</P>
        <P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0; text-align: center">New York, NY 10022</P>
        <P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0; text-align: center">(212) 756-2000</P>
</DIV></TD></TR>
<TR STYLE="vertical-align: top">
    <TD COLSPAN="2" STYLE="font: 11pt Times New Roman, Times, Serif; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">(Name, Address and Telephone Number of Person</TD></TR>
<TR STYLE="vertical-align: top">
    <TD COLSPAN="2" STYLE="font: 11pt Times New Roman, Times, Serif; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">Authorized to Receive Notices and Communications)</TD></TR>
<TR STYLE="vertical-align: top">
    <TD COLSPAN="2" STYLE="font: 11pt Times New Roman, Times, Serif; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD COLSPAN="2" STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
        <P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.75pt solid">September
        3, 2020</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD COLSPAN="2" STYLE="font: 11pt Times New Roman, Times, Serif; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center">(Date of Event Which Requires Filing of This Statement)</TD></TR>
</TABLE>
<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0">If the filing person has previously filed a statement on Schedule
13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of Rule 13d-1(e), Rule
13d-1(f) or Rule 13d-1(g), check the following box. [ ]</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: center">(Page 1 of 8 Pages)</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0">______________________________</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0">* The remainder of this cover page shall be filled out for a reporting
person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing
information which would alter disclosures provided in a prior cover page.</P>




<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0">** There is no CUSIP number assigned to the Ordinary Shares. CUSIP
number 44975P103 has been assigned to the American Depositary Shares (&quot;<U>ADSs</U>&quot;) of the Issuer, which are quoted
on the Nasdaq Global Market under the symbol &quot;IMAB.&quot; Each 10 ADSs represents 23 Ordinary Shares.&nbsp;</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0">The information required on the remainder of this cover page shall
not be deemed to be &quot;filed&quot; for the purpose of Section 18 of the Securities Exchange Act of 1934 (&quot;Act&quot;) or
otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however,
see the Notes).</P>


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<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="border-top: Black 1pt solid; border-left: Black 1pt solid; font: 11pt Times New Roman, Times, Serif; padding-top: 3.8pt; padding-bottom: 6pt; text-align: center"><B>1</B></TD>
    <TD COLSPAN="4" STYLE="border-top: Black 1pt solid; border-right: Black 1pt solid; border-left: Black 1pt solid; padding-right: 6pt; padding-left: 6pt">
        <P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 3pt 0 0">NAME OF REPORTING PERSON</P>
        <P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0 0 6pt 0.25in">Hillhouse Capital Advisors, Ltd.</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-top: Black 1pt solid; border-left: Black 1pt solid; font: 11pt Times New Roman, Times, Serif; padding-top: 3.8pt; padding-bottom: 6pt; text-align: center"><B>2</B></TD>
    <TD COLSPAN="2" STYLE="border-top: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; font: 11pt Times New Roman, Times, Serif; padding-top: 3pt; padding-right: 6pt; padding-left: 6pt">CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP</TD>
    <TD COLSPAN="2" STYLE="border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 6pt; padding-left: 6pt">
        <P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 3pt 0 0">(a) <FONT STYLE="font-family: Wingdings">&uml;</FONT></P>
        <P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0">(b) <FONT STYLE="font-family: Wingdings">&uml;</FONT></P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-top: Black 1pt solid; border-left: Black 1pt solid; font: 11pt Times New Roman, Times, Serif; padding-top: 3.8pt; padding-bottom: 6pt; text-align: center"><B>3</B></TD>
    <TD COLSPAN="4" STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; font: 11pt Times New Roman, Times, Serif; padding-top: 3pt; padding-right: 6pt; padding-left: 6pt">SEC USE ONLY</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-top: Black 1pt solid; border-left: Black 1pt solid; font: 11pt Times New Roman, Times, Serif; padding-top: 3.8pt; padding-bottom: 6pt; text-align: center"><B>4</B></TD>
    <TD COLSPAN="4" STYLE="border-right: Black 1pt solid; border-left: Black 1pt solid; padding-right: 6pt; padding-left: 6pt">
        <P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 3pt 0 0">SOURCE OF FUNDS</P>
        <P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0 0 6pt 0.25in">AF (See Item 3)</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-top: Black 1pt solid; border-left: Black 1pt solid; font: 11pt Times New Roman, Times, Serif; padding-top: 3.8pt; padding-bottom: 6pt; text-align: center"><B>5</B></TD>
    <TD COLSPAN="2" STYLE="border-top: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; font: 11pt Times New Roman, Times, Serif; padding-top: 3pt; padding-bottom: 6pt">CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDING IS REQUIRED PURSUANT TO ITEMS 2(d) or 2(e)</TD>
    <TD COLSPAN="2" STYLE="border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; font: 11pt Times New Roman, Times, Serif; padding-top: 3pt; padding-right: 6pt; padding-left: 6pt"><FONT STYLE="font-family: Wingdings">&uml;</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-top: Black 1pt solid; border-left: Black 1pt solid; font: 11pt Times New Roman, Times, Serif; padding-top: 3.8pt; padding-bottom: 6pt; text-align: center"><B>6</B></TD>
    <TD COLSPAN="4" STYLE="border-right: Black 1pt solid; border-left: Black 1pt solid; padding-right: 6pt; padding-left: 6pt">
        <P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 3pt 0 0">CITIZENSHIP OR PLACE OF ORGANIZATION</P>
        <P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0 0 6pt 0.25in">Cayman Islands</P></TD></TR>
<TR>
    <TD ROWSPAN="4" STYLE="border-top: Black 1pt solid; border-left: Black 1pt solid; font: 11pt Times New Roman, Times, Serif; padding-top: 3pt; padding-right: 6pt; padding-left: 6pt; text-align: center">NUMBER OF<BR>
SHARES<BR>
BENEFICIALLY<BR>
OWNED BY<BR>
EACH<BR>
REPORTING<BR>
PERSON WITH:</TD>
    <TD STYLE="vertical-align: top; border-top: Black 1pt solid; border-left: Black 1pt solid; font: 11pt Times New Roman, Times, Serif; padding-top: 3.8pt; padding-bottom: 6pt; text-align: center"><B>7</B></TD>
    <TD COLSPAN="3" STYLE="vertical-align: top; border-top: Black 1pt solid; border-right: Black 1pt solid; border-left: Black 1pt solid; padding-right: 6pt; padding-left: 6pt">
        <P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 3pt 0 0">SOLE VOTING POWER</P>
        <P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0 0 6pt 0.25in">-0-</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-top: Black 1pt solid; border-left: Black 1pt solid; font: 11pt Times New Roman, Times, Serif; padding-top: 3.8pt; padding-bottom: 6pt; text-align: center"><B>8</B></TD>
    <TD COLSPAN="3" STYLE="border-top: Black 1pt solid; border-right: Black 1pt solid; border-left: Black 1pt solid; padding-right: 6pt; padding-left: 6pt">
        <P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 3pt 0 0">SHARED VOTING POWER</P>
        <P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0 0 6pt 0.25in">10,586,008 Ordinary Shares*</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-top: Black 1pt solid; border-left: Black 1pt solid; font: 11pt Times New Roman, Times, Serif; padding-top: 3.8pt; padding-bottom: 6pt; text-align: center"><B>9</B></TD>
    <TD COLSPAN="3" STYLE="border-top: Black 1pt solid; border-right: Black 1pt solid; border-left: Black 1pt solid; padding-right: 6pt; padding-left: 6pt">
        <P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 3pt 0 0">SOLE DISPOSITIVE POWER</P>
        <P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0 0 6pt 0.25in">-0-</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-top: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; font: 11pt Times New Roman, Times, Serif; padding-top: 3.8pt; padding-bottom: 6pt; text-align: center"><B>10</B></TD>
    <TD COLSPAN="3" STYLE="border: Black 1pt solid; padding-right: 6pt; padding-left: 6pt">
        <P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 3pt 0 0">SHARED DISPOSITIVE POWER</P>
        <P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0 0 6pt 0.25in">10,586,008 Ordinary Shares*</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-top: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; font: 11pt Times New Roman, Times, Serif; padding-top: 3.8pt; padding-bottom: 6pt; text-align: center"><B>11</B></TD>
    <TD COLSPAN="4" STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 6pt; padding-left: 6pt">
        <P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 3pt 0 0">AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH PERSON</P>
        <P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0 0 6pt 0.25in">10,586,008 Ordinary Shares*</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: Black 1pt solid; border-left: Black 1pt solid; font: 11pt Times New Roman, Times, Serif; padding-top: 3.8pt; padding-bottom: 6pt; text-align: center"><B>12</B></TD>
    <TD COLSPAN="3" STYLE="border-bottom: Black 1pt solid; border-left: Black 1pt solid; font: 11pt Times New Roman, Times, Serif; padding-top: 3pt; padding-right: 6pt; padding-left: 6pt">CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; font: 11pt Times New Roman, Times, Serif; padding-top: 3pt; padding-right: 6pt; padding-left: 6pt"><FONT STYLE="font-family: Wingdings">&uml;</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-left: Black 1pt solid; font: 11pt Times New Roman, Times, Serif; padding-top: 3.8pt; padding-bottom: 6pt; text-align: center"><B>13</B></TD>
    <TD COLSPAN="4" STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 6pt; padding-left: 6pt">
        <P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 3pt 0 0">PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)</P>
        <P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0 0 6pt 0.25in">6.8%</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-top: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; font: 11pt Times New Roman, Times, Serif; padding-top: 3.8pt; padding-bottom: 6pt; text-align: center"><B>14</B></TD>
    <TD COLSPAN="4" STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 6pt; padding-left: 6pt">
        <P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 3pt 0 0">TYPE OF REPORTING PERSON</P>
        <P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0 0 6pt 0.25in">IA</P></TD></TR>
<TR>
    <TD STYLE="width: 18%">&nbsp;</TD>
    <TD STYLE="width: 11%">&nbsp;</TD>
    <TD STYLE="width: 59%">&nbsp;</TD>
    <TD STYLE="width: 1%">&nbsp;</TD>
    <TD STYLE="width: 11%">&nbsp;</TD></TR>
</TABLE>
<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0">* Consists of (i) (a) 5,227,279 ordinary shares held by funds
managed by HCA (as defined below), (b) 958,341 ordinary shares issuable upon exercise of Warrants (as defined below) held by
funds managed by HCA, and (c) 958,341 ordinary shares underlying the Call Options (as defined below) held by funds managed by
HCA and (ii) 3,442,047 ordinary shares held by a fund managed by HCM (as defined below). HCA and HCM are under common control
and share certain policies, personnel and resources.</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>


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<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="border-top: Black 1pt solid; border-left: Black 1pt solid; font: 11pt Times New Roman, Times, Serif; padding-top: 3.8pt; padding-bottom: 6pt; text-align: center"><B>1</B></TD>
    <TD COLSPAN="4" STYLE="border-top: Black 1pt solid; border-right: Black 1pt solid; border-left: Black 1pt solid; padding-right: 6pt; padding-left: 6pt">
        <P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 3pt 0 0">NAME OF REPORTING PERSON</P>
        <P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0 0 6pt 0.25in">Hillhouse Capital Management, Ltd.</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-top: Black 1pt solid; border-left: Black 1pt solid; font: 11pt Times New Roman, Times, Serif; padding-top: 3.8pt; padding-bottom: 6pt; text-align: center"><B>2</B></TD>
    <TD COLSPAN="2" STYLE="border-top: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; font: 11pt Times New Roman, Times, Serif; padding-top: 3pt; padding-right: 6pt; padding-left: 6pt">CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP</TD>
    <TD COLSPAN="2" STYLE="border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 6pt; padding-left: 6pt">
        <P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 3pt 0 0">(a) <FONT STYLE="font-family: Wingdings">&uml;</FONT></P>
        <P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0">(b) <FONT STYLE="font-family: Wingdings">&uml;</FONT></P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-top: Black 1pt solid; border-left: Black 1pt solid; font: 11pt Times New Roman, Times, Serif; padding-top: 3.8pt; padding-bottom: 6pt; text-align: center"><B>3</B></TD>
    <TD COLSPAN="4" STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; font: 11pt Times New Roman, Times, Serif; padding-top: 3pt; padding-right: 6pt; padding-left: 6pt">SEC USE ONLY</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-top: Black 1pt solid; border-left: Black 1pt solid; font: 11pt Times New Roman, Times, Serif; padding-top: 3.8pt; padding-bottom: 6pt; text-align: center"><B>4</B></TD>
    <TD COLSPAN="4" STYLE="border-right: Black 1pt solid; border-left: Black 1pt solid; padding-right: 6pt; padding-left: 6pt">
        <P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 3pt 0 0">SOURCE OF FUNDS</P>
        <P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0 0 6pt 0.25in">AF (See Item 3)</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-top: Black 1pt solid; border-left: Black 1pt solid; font: 11pt Times New Roman, Times, Serif; padding-top: 3.8pt; padding-bottom: 6pt; text-align: center"><B>5</B></TD>
    <TD COLSPAN="2" STYLE="border-top: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; font: 11pt Times New Roman, Times, Serif; padding-top: 3pt; padding-bottom: 6pt">CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDING IS REQUIRED PURSUANT TO ITEMS 2(d) or 2(e)</TD>
    <TD COLSPAN="2" STYLE="border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; font: 11pt Times New Roman, Times, Serif; padding-top: 3pt; padding-right: 6pt; padding-left: 6pt"><FONT STYLE="font-family: Wingdings">&uml;</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-top: Black 1pt solid; border-left: Black 1pt solid; font: 11pt Times New Roman, Times, Serif; padding-top: 3.8pt; padding-bottom: 6pt; text-align: center"><B>6</B></TD>
    <TD COLSPAN="4" STYLE="border-right: Black 1pt solid; border-left: Black 1pt solid; padding-right: 6pt; padding-left: 6pt">
        <P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 3pt 0 0">CITIZENSHIP OR PLACE OF ORGANIZATION</P>
        <P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0 0 6pt 0.25in">Cayman Islands</P></TD></TR>
<TR>
    <TD ROWSPAN="4" STYLE="border-top: Black 1pt solid; border-left: Black 1pt solid; font: 11pt Times New Roman, Times, Serif; padding-top: 3pt; padding-right: 6pt; padding-left: 6pt; text-align: center">NUMBER OF<BR>
SHARES<BR>
BENEFICIALLY<BR>
OWNED BY<BR>
EACH<BR>
REPORTING<BR>
PERSON WITH:</TD>
    <TD STYLE="vertical-align: top; border-top: Black 1pt solid; border-left: Black 1pt solid; font: 11pt Times New Roman, Times, Serif; padding-top: 3.8pt; padding-bottom: 6pt; text-align: center"><B>7</B></TD>
    <TD COLSPAN="3" STYLE="vertical-align: top; border-top: Black 1pt solid; border-right: Black 1pt solid; border-left: Black 1pt solid; padding-right: 6pt; padding-left: 6pt">
        <P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 3pt 0 0">SOLE VOTING POWER</P>
        <P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0 0 6pt 0.25in">-0-</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-top: Black 1pt solid; border-left: Black 1pt solid; font: 11pt Times New Roman, Times, Serif; padding-top: 3.8pt; padding-bottom: 6pt; text-align: center"><B>8</B></TD>
    <TD COLSPAN="3" STYLE="border-top: Black 1pt solid; border-right: Black 1pt solid; border-left: Black 1pt solid; padding-right: 6pt; padding-left: 6pt">
        <P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 3pt 0 0">SHARED VOTING POWER</P>
        <P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0 0 6pt 0.25in">10,586,008 Ordinary Shares*</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-top: Black 1pt solid; border-left: Black 1pt solid; font: 11pt Times New Roman, Times, Serif; padding-top: 3.8pt; padding-bottom: 6pt; text-align: center"><B>9</B></TD>
    <TD COLSPAN="3" STYLE="border-top: Black 1pt solid; border-right: Black 1pt solid; border-left: Black 1pt solid; padding-right: 6pt; padding-left: 6pt">
        <P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 3pt 0 0">SOLE DISPOSITIVE POWER</P>
        <P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0 0 6pt 0.25in">-0-</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-top: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; font: 11pt Times New Roman, Times, Serif; padding-top: 3.8pt; padding-bottom: 6pt; text-align: center"><B>10</B></TD>
    <TD COLSPAN="3" STYLE="border: Black 1pt solid; padding-right: 6pt; padding-left: 6pt">
        <P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 3pt 0 0">SHARED DISPOSITIVE POWER</P>
        <P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0 0 6pt 0.25in">10,586,008 Ordinary Shares*</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-top: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; font: 11pt Times New Roman, Times, Serif; padding-top: 3.8pt; padding-bottom: 6pt; text-align: center"><B>11</B></TD>
    <TD COLSPAN="4" STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 6pt; padding-left: 6pt">
        <P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 3pt 0 0">AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH PERSON</P>
        <P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0 0 6pt 0.25in">10,586,008 Ordinary Shares*</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: Black 1pt solid; border-left: Black 1pt solid; font: 11pt Times New Roman, Times, Serif; padding-top: 3.8pt; padding-bottom: 6pt; text-align: center"><B>12</B></TD>
    <TD COLSPAN="3" STYLE="border-bottom: Black 1pt solid; border-left: Black 1pt solid; font: 11pt Times New Roman, Times, Serif; padding-top: 3pt; padding-right: 6pt; padding-left: 6pt">CHECK IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; font: 11pt Times New Roman, Times, Serif; padding-top: 3pt; padding-right: 6pt; padding-left: 6pt"><FONT STYLE="font-family: Wingdings">&uml;</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-left: Black 1pt solid; font: 11pt Times New Roman, Times, Serif; padding-top: 3.8pt; padding-bottom: 6pt; text-align: center"><B>13</B></TD>
    <TD COLSPAN="4" STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 6pt; padding-left: 6pt">
        <P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 3pt 0 0">PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)</P>
        <P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0 0 6pt 0.25in">6.8 %</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-top: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; font: 11pt Times New Roman, Times, Serif; padding-top: 3.8pt; padding-bottom: 6pt; text-align: center"><B>14</B></TD>
    <TD COLSPAN="4" STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 6pt; padding-left: 6pt">
        <P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 3pt 0 0">TYPE OF REPORTING PERSON</P>
        <P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0 0 6pt 0.25in">IA</P></TD></TR>
<TR>
    <TD STYLE="width: 19%">&nbsp;</TD>
    <TD STYLE="width: 10%">&nbsp;</TD>
    <TD STYLE="width: 59%">&nbsp;</TD>
    <TD STYLE="width: 1%">&nbsp;</TD>
    <TD STYLE="width: 11%">&nbsp;</TD></TR>
</TABLE>
<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0">* Consists of (i) (a) 5,227,279 ordinary shares held by funds
managed by HCA, (b) 958,341 ordinary shares issuable upon exercise of Warrants held by funds managed by HCA, and (c) 958,341
ordinary shares underlying the Call Options held by funds managed by HCA and (ii) 3,442,047 ordinary shares held by a fund
managed by HCM. HCA and HCM are under common control and share certain policies, personnel and resources.</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>


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<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 11%; padding-right: 5.75pt; padding-left: 5.75pt; font: 11pt Times New Roman, Times, Serif"><B>Item 1.</B></TD>
    <TD STYLE="width: 89%; padding-right: 5.75pt; padding-left: 5.75pt; font: 11pt Times New Roman, Times, Serif"><B>Security and Issuer</B></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="font: 11pt Times New Roman, Times, Serif; padding-right: 5.75pt; padding-left: 5.75pt">&nbsp;</TD>
    <TD STYLE="font: 11pt Times New Roman, Times, Serif; padding-right: 5.75pt; padding-left: 5.75pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="font: 11pt Times New Roman, Times, Serif; padding-right: 5.75pt; padding-left: 5.75pt">&nbsp;</TD>
    <TD STYLE="font: 11pt Times New Roman, Times, Serif; padding-right: 5.75pt; padding-left: 5.75pt">This Schedule 13D relates to the Ordinary Shares, par value $0.0001 per share (the &quot;<U>Ordinary Shares</U>&quot;) of I-MAB, an exempted Cayman Islands company (the &quot;<U>Issuer</U>&quot;), the principal executive offices of which are located at Suite 802, West Tower, OmniVision, 88 Shangke Road, Pudong District, Shanghai, 201210, People's Republic of China. </TD></TR>
</TABLE>
<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 11%; padding-right: 5.4pt; padding-left: 5.4pt; font: 11pt Times New Roman, Times, Serif"><B>Item 2.</B></TD>
    <TD STYLE="width: 89%; padding-right: 5.4pt; padding-left: 5.4pt; font: 11pt Times New Roman, Times, Serif"><B>Identity and Background</B></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="font: 11pt Times New Roman, Times, Serif; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="font: 11pt Times New Roman, Times, Serif; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="font: 11pt Times New Roman, Times, Serif; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="font: 11pt Times New Roman, Times, Serif; padding-right: 5.4pt; padding-left: 5.4pt">This Schedule 13D is filed by Hillhouse Capital Advisors, Ltd., an exempted Cayman Islands company (&quot;<U>HCA</U>&quot;) and Hillhouse Capital Management, Ltd., an exempted Cayman Islands company (&quot;<U>HCM</U>&quot;). The foregoing persons are hereinafter sometimes each referred to as a &quot;<U>Reporting Person</U>&quot; and collectively referred to as the &quot;<U>Reporting Persons</U>.&quot;&nbsp;&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="font: 11pt Times New Roman, Times, Serif; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="font: 11pt Times New Roman, Times, Serif; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="font: 11pt Times New Roman, Times, Serif; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="font: 11pt Times New Roman, Times, Serif; padding-right: 5.4pt; padding-left: 5.4pt">HCA acts as the sole general partner of YHG Investment, L.P. (&quot;<U>YHG</U>&quot;) and the sole management company of Gaoling Fund, L.P. (&quot;<U>Gaoling</U>&quot;). &nbsp;HCA is hereby deemed to be the beneficial owner of, and to control the voting power of, the Ordinary Shares held by Gaoling and YHG and the Ordinary Shares issuable upon exercise of the Warrants and Call Options (each defined below) held by Gaoling and YHG.&nbsp;&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="font: 11pt Times New Roman, Times, Serif; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="font: 11pt Times New Roman, Times, Serif; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="font: 11pt Times New Roman, Times, Serif; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="font: 11pt Times New Roman, Times, Serif; padding-right: 5.4pt; padding-left: 5.4pt">HCM acts as the sole management company of Hillhouse Fund IV, L.P. (&quot;<U>Fund IV</U>&quot;). Fund IV owns HH IMB Holdings Limited (&quot;<U>HH IMB</U>&quot;, and together with YHG and Gaoling, the &quot;<U>Hillhouse Entities</U>&quot;). &nbsp;HCM is hereby deemed to be the beneficial owner of, and to control the voting power of, the Ordinary Shares held by HH IMB.</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="font: 11pt Times New Roman, Times, Serif; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="font: 11pt Times New Roman, Times, Serif; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="font: 11pt Times New Roman, Times, Serif; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="font: 11pt Times New Roman, Times, Serif; padding-right: 5.4pt; padding-left: 5.4pt">HCA and HCM are under common control and share certain policies, personnel and resources. Accordingly, each of HCA and HCM, respectively, reports on this Schedule 13D that it has shared voting and dispositive power of the Ordinary Shares beneficially owned by each of HCA and HCM.</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="font: 11pt Times New Roman, Times, Serif; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="font: 11pt Times New Roman, Times, Serif; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="font: 11pt Times New Roman, Times, Serif; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="font: 11pt Times New Roman, Times, Serif; padding-right: 5.4pt; padding-left: 5.4pt">The principal business of each of HCA and HCM is investment management and its business address is Suite 2202, 22nd Floor, Two International Finance Centre, 8 Finance Street, Central Hong Kong. The directors of each of HCA and HCM are Colm O'Connell and Bridget Kidner. Mr. O'Connell and Ms. Kidner are employees of each of HCA and HCM and Mr. Lei Zhang (&quot;<U>Mr. Zhang</U>&quot;) is the President of HCA and the President and Chief Investment Officer of HCM.</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="font: 11pt Times New Roman, Times, Serif; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="font: 11pt Times New Roman, Times, Serif; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="font: 11pt Times New Roman, Times, Serif; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="font: 11pt Times New Roman, Times, Serif; padding-right: 5.4pt; padding-left: 5.4pt">During the past five years neither of the Reporting Persons nor, to the best knowledge of each of the Reporting Persons, any of their directors or executive officers has been (i) convicted in a criminal proceeding (excluding traffic violations or similar misdemeanors) or (ii) a party to a civil proceeding of a judicial or administrative body of competent jurisdiction and as a result of such proceeding was or is subject to a judgment, decree or final order enjoining future violations of, or prohibiting or mandating activities subject to United States federal or state securities laws or finding any violation with respect to such laws.</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="font: 11pt Times New Roman, Times, Serif; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="font: 11pt Times New Roman, Times, Serif; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="font: 11pt Times New Roman, Times, Serif; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="font: 11pt Times New Roman, Times, Serif; padding-right: 5.4pt; padding-left: 5.4pt">The filing of this statement should not be construed as an admission that the Reporting Persons are, for the purposes of Section 13 of the Act, the beneficial owner of the Ordinary Shares reported herein.</TD></TR>
</TABLE>
<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>


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<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 11%; padding-right: 5.4pt; padding-left: 5.4pt; font: 11pt Times New Roman, Times, Serif"><B>Item 3.</B></TD>
    <TD STYLE="width: 89%; padding-right: 5.4pt; padding-left: 5.4pt; font: 11pt Times New Roman, Times, Serif"><B>Source and Amounts of Funds or Other Consideration</B></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="font: 11pt Times New Roman, Times, Serif; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="font: 11pt Times New Roman, Times, Serif; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="font: 11pt Times New Roman, Times, Serif; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="font: 11pt Times New Roman, Times, Serif; padding-right: 5.4pt; padding-left: 5.4pt">YHG and Gaoling used internally generated funds to purchase the securities of the Issuer held by them that are reported in this Schedule 13D. YHG and Gaoling used a total of approximately $75,000,090.00 in the aggregate to acquire the Ordinary Shares in the initial closing under the Subscription Agreement as described in Item 6 below.&nbsp;&nbsp;No additional consideration has been paid for the Warrants and the Call Options. The Warrants and Call Options are exercisable as described in Item 6 below.</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="font: 11pt Times New Roman, Times, Serif; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="font: 11pt Times New Roman, Times, Serif; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="font: 11pt Times New Roman, Times, Serif; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="font: 11pt Times New Roman, Times, Serif; padding-right: 5.4pt; padding-left: 5.4pt">HH IMB used internally generated
funds to purchase securities of the Issuer. &nbsp;HH IMB used a total of approximately $20,000,000 in the aggregate to acquire the Ordinary
Shares held by it that are reported in this Schedule 13D.</TD></TR>
</TABLE>
<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 11%; padding-right: 5.75pt; padding-left: 5.75pt; font: 11pt Times New Roman, Times, Serif"><B>Item 4.</B></TD>
    <TD STYLE="width: 89%; padding-right: 5.75pt; padding-left: 5.75pt; font: 11pt Times New Roman, Times, Serif"><B>Purpose of Transaction</B></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="font: 11pt Times New Roman, Times, Serif; padding-right: 5.75pt; padding-left: 5.75pt">&nbsp;</TD>
    <TD STYLE="font: 11pt Times New Roman, Times, Serif; padding-right: 5.75pt; padding-left: 5.75pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="font: 11pt Times New Roman, Times, Serif; padding-right: 5.75pt; padding-left: 5.75pt">&nbsp;</TD>
    <TD STYLE="font: 11pt Times New Roman, Times, Serif; padding-right: 5.75pt; padding-left: 5.75pt">The Reporting Persons
    acquired the Ordinary Shares and those issuable upon exercise of the Warrants and Call Options to which this Schedule 13D
    relates for investment purposes in the ordinary course of business.&nbsp;&nbsp;On September 3, 2020, Gaoling and YHG entered
    into the Subscription Agreement relating to the Placing (each as defined and described in Item 6 below).&nbsp;&nbsp;Under the
    Subscription Agreement, Gaoling and YHG jointly have the right to appoint a director to the board of directors of the Issuer
    (the &quot;<U>Board</U>&quot;) for so long as the Reporting Persons continue to beneficially own at least five percent (5%)
    of the Issuer's total issued and outstanding Ordinary Shares, subject to certain conditions.&nbsp;&nbsp;The Reporting Persons have not
    currently exercised this appointment right.</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="font: 11pt Times New Roman, Times, Serif; padding-right: 5.75pt; padding-left: 5.75pt">&nbsp;</TD>
    <TD STYLE="font: 11pt Times New Roman, Times, Serif; padding-right: 5.75pt; padding-left: 5.75pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="font: 11pt Times New Roman, Times, Serif; padding-right: 5.75pt; padding-left: 5.75pt">&nbsp;</TD>
    <TD STYLE="font: 11pt Times New Roman, Times, Serif; padding-right: 5.75pt; padding-left: 5.75pt">Except as disclosed in this Schedule 13D, the Reporting Persons currently have no plans or proposals that relate to or would result in any transaction, event or action enumerated in paragraphs (a) through (j) of Item 4 of Schedule 13D. The Reporting Persons and each of their representatives may from time to time engage in discussions with members of management, and the Board, other current or prospective shareholders, industry analysts, existing or potential strategic partners or competitors, investment and financing professionals and other third parties regarding a variety of matters relating to the Issuer, which may include, among other things, the Issuer's business, management, capital structure and allocation, corporate governance, Board composition and strategic alternatives and direction, as well as pursue other plans or proposals that relate to or could result in any of the matters set forth in clauses (a)-(j) of Item 4 of Schedule 13D.</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="font: 11pt Times New Roman, Times, Serif; padding-right: 5.75pt; padding-left: 5.75pt">&nbsp;</TD>
    <TD STYLE="font: 11pt Times New Roman, Times, Serif; padding-right: 5.75pt; padding-left: 5.75pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="font: 11pt Times New Roman, Times, Serif; padding-right: 5.75pt; padding-left: 5.75pt">&nbsp;</TD>
    <TD STYLE="font: 11pt Times New Roman, Times, Serif; padding-right: 5.75pt; padding-left: 5.75pt">The Reporting Persons intend to review their investment in the Issuer on a continuing basis. Depending on various factors, including, without limitation, the outcome of any discussions referenced above, the Issuer's financial position, results and strategic direction, actions taken by the Issuer's management and the Board, price levels of the Securities (as defined below), other investment opportunities available to the Reporting Persons, conditions in the securities market and general economic and industry conditions, the Reporting Persons may in the</TD></TR>
</TABLE>
<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0"><SUP>&nbsp;</SUP></P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0"></P>


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<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 11%; padding-right: 5.75pt; padding-left: 5.75pt; font: 11pt Times New Roman, Times, Serif">&nbsp;</TD>
    <TD STYLE="width: 89%; padding-right: 5.75pt; padding-left: 5.75pt; font: 11pt Times New Roman, Times, Serif">future take such actions with respect to its investment in the Issuer as it deems appropriate, including, without limitation, exchanging information with the Issuer or other third parties pursuant to appropriate confidentiality or similar agreements; proposing changes in the Issuer's operations, management, Board, governance or capitalization; acquiring additional equity, debt, notes, instruments or other securities of the Issuer (collectively, &quot;<U>Securities</U>&quot;) or disposing of some or all of the Securities beneficially owned by it, in public market or privately negotiated transactions; entering into financial instruments or other agreements that increase or decrease the economic exposure of the Hillhouse Entities with respect to their investment in the Issuer and/or otherwise changing the Reporting Person's intention with respect to any and all matters referred to in Item 4 of Schedule 13D.</TD></TR>
</TABLE>
<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 11pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 11%; padding-right: 5.4pt; padding-left: 5.4pt"><B>Item 5.</B></TD>
    <TD STYLE="width: 89%; padding-right: 5.4pt; padding-left: 5.4pt"><B>Interest in Securities of the Issuer</B></TD></TR>
<TR STYLE="vertical-align: top">
    <TD COLSPAN="2" STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">(a)</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">See rows (11) and (13) of the cover pages to this Schedule 13D for the aggregate number of Ordinary Shares and percentages of the Ordinary Shares beneficially owned by each Reporting Person.&nbsp;&nbsp;The percentage used in this Schedule 13D is calculated based upon 153,428,022 Ordinary Shares outstanding immediately following the completion of the initial closing of the Placing, and assumes the exercise of the Call Options and Warrants issued to each of Gaoling and YHG at the initial closing of the Placing.</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">(b)</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">See rows (7) through (10) of the cover pages to this Schedule 13D for the number of Ordinary Shares as to which each Reporting Person has the sole or shared power to vote or direct the vote and sole or shared power to dispose or to direct the disposition.</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">(c)</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Except as disclosed in Item 6, no Reporting Person has effected any transaction in the Ordinary Shares within the past sixty days.</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">(d)</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">No person other than the Hillhouse Entities is known to have the right to receive, or the power to direct the receipt of dividends from, or proceeds from the sale of, such Ordinary Shares.</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">(e)</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Not applicable.</TD></TR>
</TABLE>
<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 11pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 11%; padding-right: 5.4pt; padding-left: 5.4pt"><B>Item 6.</B></TD>
    <TD STYLE="width: 89%; padding-right: 5.4pt; padding-left: 5.4pt"><B>Contracts, Arrangements, Understandings or Relationships with Respect to Securities of the Issuer</B></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><P STYLE="margin: 0; font: 11pt Times New Roman, Times, Serif">On September 3, 2020, Gaoling and YHG entered into a
                                                          subscription agreement with the Issuer (the &quot;<U>Subscription Agreement</U>&quot;), pursuant to which Gaoling and YHG
                                                          agreed to buy and the Issuer agreed to sell and issue an aggregate of 13,939,403 Ordinary Shares, at a purchase price
                                                          equivalent to $33 per ADS <FONT STYLE="background-color: white">and warrants to purchase 2,555,576 Ordinary Shares (the
                                                          &quot;<U>Warrants</U>&quot;)</FONT> to Gaoling and YHG in the private placement being conducted by the Issuer described in
                                                          the press release issued by the Issuer on September 4, 2020 <FONT STYLE="background-color: white">(the
                                                          &quot;<U>Placing</U>&quot;)</FONT>. Currently, each ten ADSs of the Issuer represents twenty-three Ordinary Shares. The
                                                          purchase by Gaoling and YHG is divided into two closings. Gaoling and YHG purchased an aggregate of 5,227,279 Ordinary Shares
                                                          and Warrants to purchase 958,341 Ordinary Shares at the initial closing which occurred on September 11, 2020 and will
                                                          purchase 8,712,124 Ordinary Shares and Warrants to purchase 1,597,235 Ordinary Shares at a subsequent closing. </P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD></TR>
</TABLE>

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<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 11pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; width: 11%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; width: 89%">The initial closing was subject to customary closing conditions.
The subsequent closing is conditioned upon an existing director of the Company having resigned to enable Gaoling and YHG to appoint
a director in his or her stead and the License Agreement described in the Press Release being or remaining effective. The Subscription
Agreement contains customary representations, warranties and agreements (including customary registration rights for the purchasers)
by the Issuer and the purchasers. References to the Subscription Agreement and the Warrants are qualified in their entirety by
reference to the Subscription Agreement and the Warrants, forms of which are attached hereto as Exhibit 2 and 3 and are incorporated
herein by reference in their entirety.</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">In addition, Gaoling and YHG separately entered into a call option
agreement with certain members of the Issuer's management team (the &quot;<U>Call Options</U>&quot;). Pursuant to the Call Options,
Gaoling and YHG jointly have the right to acquire the Ordinary Shares underlying vested options held by such individuals anytime
and from time to time for a one-year period at a price equivalent to $45 per ADS of the Issuer. Currently, each ten ADSs of the
Issuer represents twenty-three Ordinary Shares. The Call Options relate to a total of 2,555,576 Ordinary Shares. The Call Option
with rights to subscribe for 958,341 Ordinary Shares was acquired by Gaoling and YHG on September 11, 2020 and the Call Option
with rights to subscribe for 1,597,235 Ordinary Shares will be acquired by Gaoling and YHG at a subsequent date as described in
the Call Options. References to the Call Options are qualified in their entirety by reference to the Call Options, the form of
which is attached hereto as Exhibit 4 and is incorporated herein by reference in its entirety.</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD></TR>
</TABLE>
<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 11pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 11%; padding-right: 5.4pt; padding-left: 5.4pt"><B>Item 7.</B></TD>
    <TD STYLE="width: 89%; padding-right: 5.4pt; padding-left: 5.4pt"><B>Material to be Filed as Exhibits</B></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Exhibit 1:&nbsp;&nbsp;Joint Filing Agreement as required by Rule 13d-1(k)(1) under the Act.</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Exhibit 2:&nbsp;&nbsp;Subscription Agreement, dated September 3, 2020, by and among the Issuer, Gaoling and YHG.</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Exhibit 3:&nbsp;&nbsp;Form of Warrant to Purchase Ordinary Shares</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Exhibit 4:&nbsp;&nbsp;Form of Call Option</TD></TR>
</TABLE>
<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>


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<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: center"><B>SIGNATURE</B></P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">After reasonable inquiry and to the best of
my knowledge and belief, the undersigned certifies that the information set forth in this Schedule 13D is true, complete and correct.</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0">Date: September 14, 2020</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 11pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 50%">&nbsp;</TD>
    <TD STYLE="width: 50%">
        <P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0"><FONT STYLE="text-transform: uppercase"><B>HillHOUSE CAPITAL Advisors,
        LTD.</B></FONT></P>
        <P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0"><FONT STYLE="text-transform: uppercase"><B>&nbsp;</B></FONT></P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid">/s/ Richard A. Hornung</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>
        <P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0">Name: Richard A. Hornung</P>
        <P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0">Title: General Counsel and Chief Compliance</P>
        <P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Officer</P></TD></TR>
</TABLE>
<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 11pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 50%">&nbsp;</TD>
    <TD STYLE="width: 50%">
        <P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0"><FONT STYLE="text-transform: uppercase"><B>HillHOUSE CAPITAL MANAGEMENT,
        LTD.</B></FONT></P>
        <P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0"><FONT STYLE="text-transform: uppercase"><B>&nbsp;</B></FONT></P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid">/s/ Richard A. Hornung</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>
        <P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0">Name: Richard A. Hornung</P>
        <P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0">Title: General Counsel and Chief Compliance</P>
        <P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Officer</P></TD></TR>
</TABLE>
<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>


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<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: center"><B>EXHIBIT 1</B></P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: center"><B>JOINT FILING AGREEMENT<BR>
PURSUANT TO RULE 13d-1(k)</B></P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 0.5in">The undersigned
acknowledge and agree that the foregoing statement on Schedule 13D is filed on behalf of each of the undersigned and that all subsequent
amendments to this statement on Schedule 13D shall be filed on behalf of each of the undersigned without the necessity of filing
additional joint filing agreements. The undersigned acknowledge that each shall be responsible for the timely filing of such amendments,
and for the completeness and accuracy of the information concerning him or it contained herein and therein, but shall not be responsible
for the completeness and accuracy of the information concerning the others, except to the extent that he or it knows or has reason
to believe that such information is inaccurate.</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0">DATE: September 14, 2020</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 11pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 50%">&nbsp;</TD>
    <TD STYLE="width: 50%">
        <P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0"><FONT STYLE="text-transform: uppercase"><B>HillHOUSE CAPITAL Advisors,
        LTD.</B></FONT></P>
        <P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0"><FONT STYLE="text-transform: uppercase"><B>&nbsp;</B></FONT></P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid">/s/ Richard A. Hornung</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>
        <P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0">Name: Richard A. Hornung</P>
        <P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0">Title: &nbsp;&nbsp;General Counsel and Chief Compliance</P>
        <P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#8239;Officer</P></TD></TR>
</TABLE>
<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 11pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 50%">&nbsp;</TD>
    <TD STYLE="width: 50%">
        <P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0"><FONT STYLE="text-transform: uppercase"><B>HillHOUSE CAPITAL MANAGEMENT,
        LTD.</B></FONT></P>
        <P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0"><FONT STYLE="text-transform: uppercase"><B>&nbsp;</B></FONT></P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid">/s/ Richard A. Hornung</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>
        <P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0">Name: Richard A. Hornung</P>
        <P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0">Title: &nbsp;&nbsp;General Counsel and Chief Compliance</P>
        <P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#8239;Officer</P></TD></TR>
</TABLE>









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<DOCUMENT>
<TYPE>EX-99
<SEQUENCE>2
<FILENAME>exhibit_2.htm
<DESCRIPTION>EXHIBIT 2 - SUBSCRIPTION AGREEMENT
<TEXT>
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<HEAD>
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<P STYLE="font: bold 11pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: center">EXHIBIT 2</P>

<P STYLE="text-align: center; margin-top: 0; font: 11pt Times New Roman, Times, Serif; margin-bottom: 0"><FONT STYLE="text-transform: uppercase"><B>subscription agreement</B></FONT></P>

<P STYLE="font: bold 12pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 12pt; text-align: center"></P>

<P STYLE="font: bold 12pt Times New Roman, Times, Serif; margin-top: 0; margin-right: 0; margin-left: 0; text-align: center">&nbsp;</P>

<P STYLE="font: bold 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: center">SUBSCRIPTION AGREEMENT</P>

<P STYLE="font: bold 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: center">&nbsp;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: center">dated as of September 3, 2020</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: center">&nbsp;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: center">by and between</P>

<P STYLE="font: bold 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: center">&nbsp;</P>

<P STYLE="font: bold 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: center"><FONT STYLE="text-transform: uppercase"><B>Gaoling
Fund, L.P.</B></FONT></P>

<P STYLE="font: bold 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: center"><FONT STYLE="text-transform: uppercase"><B>YHG
Investment, L.P.</B></FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: center"><FONT STYLE="font-weight: normal">&nbsp;</FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: center"><FONT STYLE="font-weight: normal">and</FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: center"><FONT STYLE="font-weight: normal">&nbsp;</FONT></P>

<P STYLE="font: bold 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: center">I-MAB</P>

<P STYLE="font: bold 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: center">&nbsp;</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0 0 0pt"></P>

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<P STYLE="font: bold 12pt Times New Roman, Times, Serif; margin: 0 0 0pt; text-transform: uppercase; text-align: left">&nbsp;</P>

<P STYLE="font: bold 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-transform: uppercase; text-align: center">TABLE
OF CONTENTS</P>

<P STYLE="font: bold 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: right">Page</P>


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    <TD COLSPAN="2" STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="color: #010000">Article I</FONT> DEFINITIONS AND INTERPRETATION&#9;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">1</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD STYLE="width: 16%; padding-right: 5.4pt; padding-left: 5.4pt">Section 1.1</TD>
    <TD STYLE="width: 77%; padding-right: 5.4pt; padding-left: 5.4pt">Definitions&#9;</TD>
    <TD STYLE="width: 7%; padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">1</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,238,255)">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Section 1.2</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Other Defined Terms&#9;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">5</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Section 1.3</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Interpretation and Rules of Construction&#9;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">6</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,238,255)">
    <TD COLSPAN="2" STYLE="padding-top: 6pt; padding-bottom: 6pt"><FONT STYLE="color: #010000">Article II</FONT> PURCHASE AND SALE OF SECURITIES&#9;</TD>
    <TD STYLE="padding-top: 5.4pt; padding-bottom: 5.4pt; text-align: right">7</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Section 2.1</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Sale and Issuance of the Purchased Securities&#9;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">7</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,238,255)">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Section 2.2</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Purchase Price&#9;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">7</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Section 2.3</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Closing&#9;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">7</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,238,255)">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Section 2.4</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Contemporaneous Private Placements&#9;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">9</TD></TR>
<TR STYLE="background-color: White">
    <TD COLSPAN="2" STYLE="vertical-align: top; padding-top: 6pt; padding-bottom: 6pt"><FONT STYLE="color: #010000">Article III</FONT> REPRESENTATIONS AND WARRANTIES OF THE PURCHASERS&#9;</TD>
    <TD STYLE="vertical-align: bottom; padding-top: 6pt; padding-bottom: 6pt; text-align: right">10</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,238,255)">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Section 3.1</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Organization&#9;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">10</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Section 3.2</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Authorization; Enforcement; Validity&#9;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font: 11pt Calibri, Helvetica, Sans-Serif">10</FONT></TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,238,255)">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Section 3.3</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">No Conflicts&#9;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font: 11pt Calibri, Helvetica, Sans-Serif">10</FONT></TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Section 3.4</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Consents&#9;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font: 11pt Calibri, Helvetica, Sans-Serif">10</FONT></TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,238,255)">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Section 3.5</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Status and Investment Intent&#9;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font: 11pt Calibri, Helvetica, Sans-Serif">11</FONT></TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Section 3.6</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Access to Information&#9;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font: 11pt Calibri, Helvetica, Sans-Serif">12</FONT></TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,238,255)">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Section 3.7</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Prohibited Purchaser&#9;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font: 11pt Calibri, Helvetica, Sans-Serif">12</FONT></TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Section 3.8</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Brokers and Finders&#9;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font: 11pt Calibri, Helvetica, Sans-Serif">13</FONT></TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,238,255)">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Section 3.9</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">No Additional Representations&#9;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right"><FONT STYLE="font: 11pt Calibri, Helvetica, Sans-Serif">13</FONT></TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD COLSPAN="2" STYLE="padding-top: 6pt; padding-bottom: 6pt"><FONT STYLE="color: #010000">Article IV</FONT> REPRESENTATIONS AND WARRANTIES OF THE COMPANY&#9;</TD>
    <TD STYLE="padding-top: 5.4pt; padding-bottom: 5.4pt; text-align: right">13</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,238,255)">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Section 4.1</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Organization and Qualification&#9;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">14</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Section 4.2</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Capitalization&#9;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">14</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,238,255)">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Section 4.3</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Authorization; Enforcement; Validity&#9;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">14</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Section 4.4</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">No Conflicts&#9;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">15</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,238,255)">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Section 4.5</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Consents&#9;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">15</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Section 4.6</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Issuance of Purchased Securities&#9;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">15</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,238,255)">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Section 4.7</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">No General Solicitation&#9;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">15</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Section 4.8</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">No Integrated Offering&#9;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">16</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,238,255)">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Section 4.9</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Public Documents&#9;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">16</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Section 4.10</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Financial Statements&#9;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">16</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,238,255)">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Section 4.11</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">No Undisclosed Liabilities&#9;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">16</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Section 4.12</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Internal Controls and Procedures&#9;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">17</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,238,255)">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Section 4.13</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Litigation&#9;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">17</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Section 4.14</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Compliance and Permits&#9;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">17</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,238,255)">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Section 4.15</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Tax Status&#9;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">18</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Section 4.16</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Intellectual Property&#9;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">18</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,238,255)">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Section 4.17</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Labor and Employment Matters&#9;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">18</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Section 4.18</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Title to Property and Assets&#9;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">18</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,238,255)">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Section 4.19</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Material Contracts&#9;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">19</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Section 4.20</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Brokers and Finders&#9;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">19</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,238,255)">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Section 4.21</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Anti-Bribery and Anti-Corruption; Money Laundering Laws; Economic Sanctions&#9;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">19</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Section 4.22</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">License Agreement&#9; </TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">20</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,238,255)">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Section 4.23</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">CFIUS&#9;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">20</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Section 4.24</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">No Materially More Favorable Terms&#9;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">20</TD></TR>
</TABLE>

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<P STYLE="margin: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top; background-color: rgb(204,238,255)">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; width: 16%">Section 4.25</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; width: 77%">No Additional Representations&#9;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; width: 7%">20</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD COLSPAN="2" STYLE="padding-top: 6pt; padding-bottom: 6pt"><FONT STYLE="color: #010000">Article V</FONT> AGREEMENTS OF THE PARTIES&#9;</TD>
    <TD STYLE="padding-top: 5.4pt; padding-bottom: 5.4pt; text-align: right">20</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,238,255)">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Section 5.1</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Further Assurances&#9;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">20</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Section 5.2</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Expenses&#9;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">21</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,238,255)">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Section 5.3</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Confidentiality&#9;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">21</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Section 5.4</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Compliance and Other Actions Prior to Closing&#9;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">22</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,238,255)">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Section 5.5</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Reservation of Shares&#9;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">22</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Section 5.6</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Lock-up&#9;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">22</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,238,255)">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Section 5.7</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Registration Rights&#9;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">23</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Section 5.8</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Board Representation Rights&#9;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">23</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,238,255)">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Section 5.9</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Additional Issuance of Securities&#9;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">23</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Section 5.10</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Public Announcement&#9;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">24</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,238,255)">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Section 5.11</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Assistance in ADS Conversion&#9;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">24</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Section 5.12</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Passive Foreign Investment Company&#9;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">24</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,238,255)">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Section 5.13</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Use of Purchasers&rsquo; Name or Logo&#9;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">25</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD COLSPAN="2" STYLE="padding-top: 6pt; padding-bottom: 6pt"><FONT STYLE="color: #010000">Article VI</FONT> CONDITIONS TO THE COMPANY&rsquo;S OBLIGATION TO CLOSE&#9;</TD>
    <TD STYLE="padding-top: 5.4pt; padding-bottom: 5.4pt; text-align: right">25</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,238,255)">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Section 6.1</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Execution of Transaction Documents&#9;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">25</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Section 6.2</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Representations and Warranties; Covenants&#9;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">25</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,238,255)">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Section 6.3</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">No Stop Order&#9;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">25</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Section 6.4</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">No Action&#9;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">25</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,238,255)">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Section 6.5</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Purchaser Officer&rsquo;s Certificate&#9;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">25</TD></TR>
<TR STYLE="background-color: White">
    <TD COLSPAN="2" STYLE="vertical-align: top; padding-top: 6pt; padding-bottom: 6pt"><FONT STYLE="color: #010000">Article VII</FONT> CONDITIONS TO THE PURCHASERS&rsquo; OBLIGATION TO CLOSE&#9;</TD>
    <TD STYLE="vertical-align: bottom; padding-top: 6pt; padding-bottom: 6pt; text-align: right">26</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,238,255)">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Section 7.1</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Execution of Transaction Documents&#9;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">26</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Section 7.2</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Representations and Warranties; Covenants&#9;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">26</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,238,255)">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Section 7.3</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">No Stop Order&#9;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">26</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Section 7.4</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">No Action&#9;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">26</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,238,255)">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Section 7.5</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">No Material Adverse Effect&#9;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">26</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Section 7.6</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Company Officer&rsquo;s Certificate&#9;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">26</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,238,255)">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Section 7.7</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">No Suspensions of Trading in ADSs&#9;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">26</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Section 7.8</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Effectiveness of License Agreement&#9;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">27</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,238,255)">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Section 7.9</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Contemporaneous Private Placements&#9;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">27</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Section 7.10</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Board Vacancy&#9;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">27</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,238,255)">
    <TD COLSPAN="2" STYLE="padding-top: 6pt; padding-bottom: 6pt"><FONT STYLE="color: #010000">Article VIII</FONT> TERMINATION&#9;</TD>
    <TD STYLE="padding-top: 6pt; padding-bottom: 6pt; text-align: right">27</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Section 8.1</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Termination&#9;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">27</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,238,255)">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Section 8.2</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Effect of Termination&#9;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">28</TD></TR>
</TABLE>

<P STYLE="margin: 0">&nbsp;</P>

<P STYLE="margin: 0"></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top; background-color: White">
    <TD COLSPAN="2" STYLE="padding-top: 6pt; padding-bottom: 6pt"><FONT STYLE="color: #010000">Article IX</FONT> MISCELLANEOUS&#9;</TD>
    <TD STYLE="padding-top: 6pt; padding-bottom: 6pt; text-align: right">28</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,238,255)">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; width: 16%">Section 9.1</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; width: 77%">Survival&#9;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right; width: 7%">28</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Section 9.2</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Indemnification&#9;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">28</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,238,255)">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Section 9.3</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Limitation to the Indemnitor&rsquo;s Liability&#9;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">29</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Section 9.4</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Governing Law&#9;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">30</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,238,255)">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Section 9.5</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Arbitration&#9;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">30</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Section 9.6</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Counterparts&#9;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">30</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,238,255)">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Section 9.7</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Severability&#9;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">30</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Section 9.8</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Entire Agreement&#9;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">31</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,238,255)">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Section 9.9</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Notices&#9;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">31</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Section 9.10</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">No Third-Party Beneficiaries&#9;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">32</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,238,255)">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Section 9.11</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Successors and Assigns&#9;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">32</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Section 9.12</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Construction&#9;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">32</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,238,255)">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Section 9.13</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Further Assurances&#9;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">32</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Section 9.14</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Adjustment of Share Numbers&#9;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">33</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,238,255)">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Section 9.15</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Specific Performance&#9;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">33</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Section 9.16</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Amendment; Waiver&#9;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: right">33</TD></TR>
</TABLE>

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<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0.5in 3pt 1.25in; text-indent: -1.1in">&nbsp;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0.5in 3pt 1.25in; text-indent: -1.1in"></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0.5in 3pt 1.25in; text-indent: -1.1in"></P>

<P STYLE="font: bold 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: center">SUBSCRIPTION AGREEMENT</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 0.5in">THIS SUBSCRIPTION
AGREEMENT (this &ldquo;<FONT STYLE="font-weight: normal"><U>Agreement</U></FONT>&rdquo;), dated as of September 3, 2020, by and
between I-Mab, an exempted company incorporated with limited liability under the laws of the Cayman Islands (the &ldquo;<FONT STYLE="font-weight: normal"><U>Company</U></FONT>&rdquo;),
Gaoling Fund, L.P., an exempted limited partnership organized under the laws of the Cayman Islands (&ldquo;<U>Gaoling</U>&rdquo;),
and YHG Investment, L.P., an exempted limited partnership organized under the laws of the Cayman Islands (&ldquo;<U>YHG</U>&rdquo;
and, together with Gaoling, the &ldquo;<FONT STYLE="font-weight: normal"><U>Purchasers</U></FONT>&rdquo; and, each, a &ldquo;<U>Purchaser</U>&rdquo;).</P>

<P STYLE="font: bold 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: center">RECITALS</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 0.5in">A.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;WHEREAS,
the Company desires to issue, sell and deliver to each Purchaser, and each Purchaser desires to purchase and acquire from the Company,
upon the terms and conditions set forth in this Agreement, the Purchased Shares (as defined below); and</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 0.5in">B.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;WHEREAS,
the Company desires to issue, sell and deliver to each Purchaser, and each Purchaser desires to purchase and acquire from the Company,
upon the terms and conditions set forth in this Agreement, the Warrants (as defined below). The Purchased Shares and the Warrants
are collectively referred to herein as the &ldquo;<FONT STYLE="font-weight: normal"><U>Purchased Securities</U></FONT>&rdquo;.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 0.5in">NOW, THEREFORE,
in consideration of the premises set forth above, the mutual promises and covenants set forth herein and other good and valuable
consideration, the receipt and sufficiency of which are hereby acknowledged, the Company and the Purchaser hereby agree as follows:</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: center"><FONT STYLE="text-transform: uppercase; color: #010000"><B>Article
I</B></FONT><B><FONT STYLE="text-transform: uppercase"><BR>
DEFINITIONS AND INTERPRETATION</FONT></B></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt 4.5pt; text-align: justify; text-indent: 0.5in">Section 1.1&#9;<U>Definitions</U>.
In this Agreement, except to the extent otherwise provided or that the context otherwise requires:</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 40.5pt">&ldquo;<FONT STYLE="font-weight: normal"><U>ADS</U></FONT>&rdquo;
means American depositary shares, ten (10) of which represent twenty-three (23) Ordinary Shares, of the Company;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 40.5pt">&ldquo;<FONT STYLE="font-weight: normal"><U>Affiliate</U></FONT>&rdquo;
means, with respect to any specified Person, any other Person that directly, or indirectly through one or more intermediaries,
Controls, is Controlled by, or is under common Control with, such specified Person, including, without limitation, any general
partner, managing member, officer, director or trustee of such Person, or any venture capital fund or registered investment company
now or hereafter existing that is controlled by one or more general partners, managing members or investment advisers of, or shares
the same management company or investment adviser with, such Person;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 40.5pt">&ldquo;<FONT STYLE="font-weight: normal"><U>Board</U></FONT>&rdquo;
means the board of directors of the Company;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0"></P>

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<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0"></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 40.5pt">&ldquo;<FONT STYLE="font-weight: normal"><U>Business
Day</U></FONT>&rdquo; means any day that is not a Saturday, a Sunday or other day on which banks are required or authorized by
Law to be closed in Beijing, Cayman Islands, Hong Kong or New York;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 40.5pt">&ldquo;<FONT STYLE="font-weight: normal"><U>Company
Share Plans</U></FONT>&rdquo; mean (a) the Company&rsquo;s Second Amended and Restated 2017 Employee Stock Option Plan, as amended;
(b) the Company&rsquo;s Second Amended and Restated 2018 Employee Stock Option Plan, as amended; (c) the Company&rsquo;s 2019 Share
Incentive Plan, as amended; and (d) the Company&rsquo;s 2020 Share Incentive Plan, as amended;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 40.5pt">&ldquo;<FONT STYLE="font-weight: normal"><U>Contract</U></FONT>&rdquo;
means any agreement, contract, lease, indenture, instrument, note, debenture, bond, mortgage or deed of trust or other agreement,
commitment, arrangement or understanding;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 40.5pt">&ldquo;<FONT STYLE="font-weight: normal"><U>Control</U></FONT>&rdquo;
(including the terms &ldquo;<U>Controlled by</U>&rdquo; and &ldquo;<U>under common Control with</U>&rdquo;) means the possession,
directly or indirectly, of the power to direct or cause the direction of the management and policies of a Person, whether through
the ownership of voting securities, as trustee or executor, by contract or otherwise, including the ownership, directly or indirectly,
of securities having the power to elect a majority of the board of directors or similar body governing the affairs of such Person
or securities that represent a majority of the outstanding voting securities of such Person;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 40.5pt">&ldquo;<U>Dispose</U>&rdquo;
shall mean any (i) offer, sale, contract to sell, sale of any option or contract to purchase, purchase of any option or contract
to sell, grant of any option, right or warrant for the sale of, or other disposition of or transfer of any Ordinary Shares, ADSs
or Ordinary Share Equivalents, including, without limitation, any &ldquo;short sale&rdquo; or similar arrangement, or (ii) swap,
hedge, derivative instrument, or any other agreement or any transaction that transfers, in whole or in part, directly or indirectly,
the economic consequence of ownership of Ordinary Shares, ADSs or Ordinary Share Equivalents, whether any such swap or transaction
is to be settled by delivery of securities, in cash or otherwise.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 40.5pt">&ldquo;<FONT STYLE="font-weight: normal"><U>Encumbrance</U></FONT>&rdquo;
means any security interest, pledge, mortgage, lien, charge, claim, hypothecation, title defect, right of first option or refusal,
right of pre-emption, third-party right or interests, put or call right, lien, adverse claim of ownership or use, or other encumbrance
of any kind;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 40.5pt">&ldquo;<FONT STYLE="font-weight: normal"><U>Exchange
Act</U></FONT>&rdquo; means the U.S. Securities Exchange Act of 1934, as amended, and the rules and regulations promulgated thereunder;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 40.5pt">&ldquo;<FONT STYLE="font-weight: normal"><U>GAAP</U></FONT>&rdquo;
means the United States generally accepted accounting principles and applied consistently throughout the Financial Statements;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 40.5pt">&ldquo;<FONT STYLE="font-weight: normal"><U>Governmental
Authority</U></FONT>&rdquo; means any federal, national, foreign, supranational, state, provincial, local, municipal or other political
subdivision or other government, governmental, regulatory or administrative authority, agency, board, bureau, department, instrumentality
or commission or any court, tribunal, judicial or arbitral body of competent jurisdiction or stock exchange;<BR STYLE="clear: both">
</P>


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<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 40.5pt">&ldquo;<FONT STYLE="font-weight: normal"><U>knowledge</U></FONT>&rdquo;
means, with respect to any party, the actual knowledge of such party<FONT STYLE="background-color: white">&rsquo;</FONT>s executive
officers (as defined in Rule 405 under the Securities Act) after making such due inquiry and exercising such due diligence as a
prudent business person would have made or exercised in the management of his or her business, <FONT STYLE="background-color: white">including
inquiry of other officers or employees of such party;</FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 40.5pt">&ldquo;<FONT STYLE="font-weight: normal"><U>Law</U></FONT>&rdquo;
means any federal, national, foreign, supranational, state, provincial or local statute, law, ordinance, regulation, rule, code,
order, requirement or rule of law (including common law), official policy, rule or interpretation of any Governmental Authority
with jurisdiction over any of the Company or the Purchasers;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 40.5pt">&ldquo;<FONT STYLE="font-weight: normal"><U>Material
Adverse Effect</U></FONT>&rdquo; means any event, circumstance, development, change or effect that, individually or in the aggregate,
has or would reasonably be expected to have a material adverse effect on (a) the business, properties, assets, liabilities, operations,
results of operations or financial condition of the Company and its Subsidiaries, taken as a whole, or (b) the authority or ability
of the Company to perform its obligations under the Transaction Documents; <I>provided</I>, however, that for purposes of clause
(a) above, in no event shall any of the following exceptions, alone or in combination with the other enumerated exceptions below,
be deemed to constitute, nor shall be taken into account in determining whether there has been or will be, a Material Adverse Effect:
(i) any effect resulting from compliance with the terms and conditions of, or from the announcement of the transactions contemplated
by this Agreement and/or any other Transaction Document, (ii) any effect that results from changes affecting any of the industries
in which the Company or its Subsidiaries operate generally or the economy generally, (iii) any effect that results from changes
affecting general worldwide economic or capital market conditions, (iv) any pandemic, earthquake, typhoon, tornado or other natural
disaster, or similar event, (v) any event, circumstance, change or effect caused by embargoes, insurrections, riots, civil commotions,
strikes, lockouts or other labor disturbances, acts of terrorism or war (whether or not declared), including any escalation or
worsening thereof; (vi) mandatorily applicable changes or modifications in the applicable general accepted accounting principles
or applicable Law or the interpretation or enforcement thereof; (vii) any failure to meet any internal or public projections, forecasts,
or guidance, or (viii) any change in the Company&rsquo;s stock price or trading volume, in and of itself; <I>provided</I>, <I>further</I>,
that any event, circumstance, development, change or effect referred to in the foregoing clauses (ii) through (vi) shall be taken
into account in determining whether a Material Adverse Effect has occurred or could reasonably be expected to occur to the extent
that such event, circumstance, development, change or effect has a disproportionate effect on the Company and its Subsidiaries
compared to other participants in the industries in which the Company and its Subsidiaries conduct their businesses; <I>provided</I>,
<I>further</I>, that the underlying causes giving rise or contributing to any such failure or change in the foregoing clauses (vii)
and (viii) shall not be excluded in determining whether a Material Adverse Effect has occurred.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 40.5pt">&ldquo;<FONT STYLE="font-weight: normal"><U>Memorandum
and Articles</U></FONT>&rdquo; means the Sixth Amended and Restated Memorandum and Articles of Association of the Company in effect
from time to time;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 40.5pt">&ldquo;<FONT STYLE="font-weight: normal"><U>Nasdaq</U></FONT>&rdquo;
means the Nasdaq Stock Market LLC;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 40.5pt">&ldquo;<FONT STYLE="font-weight: normal"><U>Ordinary
Shares</U></FONT>&rdquo; means the ordinary shares of the Company, par value of US$0.0001 per share;</P>


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<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 40.5pt">&ldquo;<U>Ordinary
Share Equivalents</U>&rdquo; means any Securities which would entitle the holder thereof to acquire at any time Ordinary Shares
or ADSs, including, without limitation, any debt, preferred shares, rights, options, warrants or other instrument that is at any
time convertible into or exercisable or exchangeable for, or otherwise entitles the holder thereof to receive, Ordinary Shares
or ADSs;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 40.5pt">&ldquo;<FONT STYLE="font-weight: normal"><U>Person</U></FONT>&rdquo;
means any individual, partnership, corporation, association, joint stock company, trust, joint venture, limited liability company,
organization, entity or Governmental Authority;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 40.5pt">&ldquo;<FONT STYLE="font-weight: normal"><U>PRC</U></FONT>&rdquo;
means the People&rsquo;s Republic of China;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 40.5pt">&ldquo;<FONT STYLE="font-weight: normal"><U>Private
Placements</U>&rdquo; means the contemporaneous private placements of, and warrants to purchase, no more than 34,500,000 Ordinary
Shares (without giving effect to the adjustment mechanism in the warrants) to investors (including the Purchasers) with aggregate
gross proceeds of up to US$523.0 million, for which the transaction documents are entered into between the Company and the relevant
investors on or about the date hereof. </FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 40.5pt">&ldquo;<U>Prohibited
Person</U>&rdquo; means any Person that is (1) a national or resident of any U.S. embargoed or restricted country, (2) included
on, or Affiliated with any Person on, the United States Commerce Department&rsquo;s Denied Parties List, Entities and Unverified
Lists; the U.S. Department of Treasury&rsquo;s Specially Designated Nationals, Specially Designated Narcotics Traffickers or Specially
Designated Terrorists, or the Annex to Executive Order No. 13224; the Department of State&rsquo;s Debarred List; UN Sanctions,
(3) a member of any PRC military organization, or (4) a Person with whom business transactions, including exports and re-exports,
are restricted by a U.S. Governmental Authority, including, in each clause above, any updates or revisions to the foregoing and
any newly published rules;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 40.5pt">&ldquo;<U>Public
Official</U>&rdquo; means any executive, official, or employee of a Governmental Authority, political party or member of a political
party, political candidate; executive, employee or officer of a public international organization; or director, officer or employee
or agent of a wholly owned or partially state-owned or controlled enterprise, including a PRC state-owned or controlled enterprise;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 40.5pt">&ldquo;<U>Purchaser
<FONT STYLE="font-weight: normal">Director</FONT></U>&rdquo; means the director of the Board jointly appointed by the Purchasers
pursuant to Section 5.8;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 40.5pt">&ldquo;<FONT STYLE="font-weight: normal"><U>SEC</U></FONT>&rdquo;
means the U.S. Securities and Exchange Commission;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 40.5pt">&ldquo;<FONT STYLE="font-weight: normal"><U>Securities</U></FONT>&rdquo;
means any Ordinary Shares, ADSs or any equity interest of, or shares of any class in the share capital (ordinary, preferred or
otherwise) of, the Company and any convertible securities, options, warrants and any other type of equity or equity-linked securities
convertible, exercisable or exchangeable for any such equity interest or shares of any class in the share capital of the Company;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 40.5pt">&ldquo;<FONT STYLE="font-weight: normal"><U>Securities
Act</U></FONT>&rdquo; means the U.S. Securities Act of 1933, as amended, and the rules and regulations promulgated thereunder;</P>


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    <!-- Field: /Page -->

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 40.5pt">&ldquo;<FONT STYLE="font-weight: normal"><U>Subsidiary</U></FONT>&rdquo;
of any Person means any corporation, partnership, limited liability company, joint stock company, joint venture or other organization
or entity, whether incorporated or unincorporated, which is Controlled by such Person. For all purposes of this Agreement and other
Transaction Documents, &ldquo;<U>Subsidiary</U>&rdquo; shall, with respect to the Company, as of the date hereof, include each
of the entities set out in <U>Schedule B</U> to this Agreement;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 40.5pt">&ldquo;<FONT STYLE="font-weight: normal"><U>Transaction
Documents</U></FONT>&rdquo; mean this Agreement, the Warrant and each of the other agreements and documents entered into or delivered
by the parties hereto or their respective Affiliates in connection with the transactions contemplated by this Agreement;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 40.5pt">&ldquo;<FONT STYLE="font-weight: normal"><U>U.S.</U></FONT>&rdquo;
or &ldquo;<FONT STYLE="font-weight: normal"><U>United States</U></FONT>&rdquo; means the United States of America;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 40.5pt">&ldquo;<U>Warrant(s)</U>&rdquo;
means the Ordinary Share subscription warrant in the form of <U>Annex C</U> attached hereto; and</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 40.5pt">&ldquo;<U>Warrant
Shares</U>&rdquo; means the Ordinary Shares issuable upon exercise of the Warrant.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt 4.5pt; text-align: justify; text-indent: 0.5in">Section 1.2&#9;<U>Other
Defined Terms</U>. <FONT STYLE="font-family: TimesNewRoman; color: #231F20">The following terms shall have the meanings defined
for such terms in the Sections set forth below: </FONT></P>

<P STYLE="font: 12pt TimesNewRoman; margin: 0; color: #231F20">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 55%; padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in"><FONT STYLE="font-weight: normal">Agent</FONT></TD>
    <TD STYLE="width: 45%; padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in">Section 5.11</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in"><FONT STYLE="font-weight: normal">Aggregate Purchase Price</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in">Section 2.2(b)</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in"><FONT STYLE="font-weight: normal">Agreement</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in">Preamble</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in"><FONT STYLE="font-weight: normal">Allowed Delay </FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in">Annex A</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in"><FONT STYLE="font-weight: normal">Bankruptcy and Equity Exception</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in">Section 3.2;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in"><FONT STYLE="font-weight: normal">Balance Sheet</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in">Section 4.11</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in"><FONT STYLE="font-weight: normal">Beneficiary</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in">Section 5.6</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in"><FONT STYLE="font-weight: normal">Closing</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in">Section 2.1</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in"><FONT STYLE="font-weight: normal">Closing Date</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in">Section 2.3(b)</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in"><FONT STYLE="font-weight: normal">Company</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in">Preamble</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in"><FONT STYLE="font-weight: normal">Company Closing Certificate </FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in">Section 7.6</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in"><FONT STYLE="font-weight: normal">Compliance Laws </FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in">Section 4.21(a)</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in"><FONT STYLE="font-weight: normal">Company Lock-Up Period</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in">Section 5.9(a)</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in"><FONT STYLE="font-weight: normal">Demand Registration </FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in">Annex A</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in"><FONT STYLE="font-weight: normal">Effectiveness Deadline</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in">Annex A</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in">F-3 Trigger Date</TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in">Annex A</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in">Financial Statements</TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in">Section 4.10</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in"><FONT STYLE="font-weight: normal">HKIAC&nbsp;</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in">Section 9.5(a)</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in"><FONT STYLE="font-weight: normal">Indemnified Liabilities</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in">Section 9.2</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in"><FONT STYLE="font-weight: normal">Indemnitees</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in">Section 9.2</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in"><FONT STYLE="font-weight: normal">Indemnitor</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in">Section 9.2</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in"><FONT STYLE="font-weight: normal">Initial Closing </FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in">Section 2.1(a)</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in"><FONT STYLE="font-weight: normal">Initial Closing Date</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in">Section 2.3(a)</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in"><FONT STYLE="font-weight: normal">Initial Purchased Shares</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in">Section 2.1(a)</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in"><FONT STYLE="font-weight: normal">Initial Warrant</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in">Section 2.1(a)</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in"><FONT STYLE="font-weight: normal">Intellectual Property Rights</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in">Section 4.16</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in"><FONT STYLE="font-weight: normal">Judgment</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in">Section 4.13</TD></TR>
</TABLE>

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<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 55%; padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in">License Agreement </TD>
    <TD STYLE="width: 45%; padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in">Section 4.22</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in">Lock-Up Period</TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in">Section 5.6</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in">Lock-Up Securities</TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in">Section 5.6</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in"><FONT STYLE="font-weight: normal">New Securities </FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in">Section 5.9(c)</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in"><FONT STYLE="font-weight: normal">Permits</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in">Section 4.14(a)</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in"><FONT STYLE="font-weight: normal">PFIC</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in">Section 5.12</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in"><FONT STYLE="font-weight: normal">Placement Agent </FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in">Section 3.5(c)</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in"><FONT STYLE="font-weight: normal">Proceedings</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in">Section 4.13</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in"><FONT STYLE="font-weight: normal">Prohibited Purchaser </FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in">Section 3.7</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in"><FONT STYLE="font-weight: normal">Public Documents</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in">Section 4.9</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in"><FONT STYLE="font-weight: normal">Purchaser(s)</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in">Preamble</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in"><FONT STYLE="font-weight: normal">Purchaser Closing Certificate </FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in">Section 6.5</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in"><FONT STYLE="font-weight: normal">Purchased Securities</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in">Preamble</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in"><FONT STYLE="font-weight: normal">Purchased Shares</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in">Section 2.1</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in"><FONT STYLE="font-weight: normal">Purchased Shares Purchase Price</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in">Section 2.2(a)</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in"><FONT STYLE="font-weight: normal">Registration Period</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in">Annex A</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in"><FONT STYLE="font-weight: normal">Registrable Securities </FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in">Annex A</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in"><FONT STYLE="font-weight: normal">Registration Statement</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in">Annex A</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in"><FONT STYLE="font-weight: normal">Returns</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in">Section 4.15</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in"><FONT STYLE="font-weight: normal">Rule 144</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in">Annex A</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in"><FONT STYLE="font-weight: normal">Shareholders Agreement</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in">Annex A</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in"><FONT STYLE="font-weight: normal">Subsequent Closing </FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in">Section 2.1(b)</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in"><FONT STYLE="font-weight: normal">Subsequent Closing Date</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in">Section 2.3(b)</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in"><FONT STYLE="font-weight: normal">Subsequent Purchased Shares </FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in">Section 2.1(b)</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in"><FONT STYLE="font-weight: normal">Subsequent Warrant </FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in">Section 2.1(b)</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in"><FONT STYLE="font-weight: normal">Tax</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: justify; text-indent: 0in">Section 4.15</TD></TR>
</TABLE>
<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt 4.5pt; text-align: justify; text-indent: 0.5in">Section 1.3&#9;<U>Interpretation
and Rules of Construction</U>. In this Agreement, except to the extent otherwise provided or that the context otherwise requires:</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 112.5pt"><FONT STYLE="color: #010000">(a)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>when
a reference is made in this Agreement to an Article or Section, such reference is to an Article or Section of this Agreement;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 112.5pt"><FONT STYLE="color: #010000">(b)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>the
headings for this Agreement are for reference purposes only and do not affect in any way the meaning or interpretation of this
Agreement;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 112.5pt"><FONT STYLE="color: #010000">(c)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>the
words &ldquo;hereof,&rdquo; &ldquo;herein&rdquo; and &ldquo;hereunder&rdquo; and words of similar import, when used in this Agreement,
refer to this Agreement as a whole and not to any particular provision of this Agreement;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 112.5pt"><FONT STYLE="color: #010000">(d)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>all
terms defined in this Agreement have the defined meanings when used in any certificate or other document made or delivered pursuant
hereto, unless otherwise defined therein;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 112.5pt"><FONT STYLE="color: #010000">(e)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>the
definitions contained in this Agreement are applicable to the singular as well as the plural forms of such terms;</P>


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<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 112.5pt"><FONT STYLE="color: #010000">(f)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>references
to a Person are also to its successors and permitted assigns; and</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 112.5pt"><FONT STYLE="color: #010000">(g)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>the
use of the term &ldquo;or&rdquo; is not intended to be exclusive.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: center"><FONT STYLE="text-transform: uppercase; color: #010000"><B>Article
II</B></FONT><B><FONT STYLE="text-transform: uppercase"><BR>
PURCHASE AND SALE OF SECURITIES</FONT></B></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt 4.5pt; text-align: justify; text-indent: 0.5in">Section 2.1&#9;<U>Sale
and Issuance of the Purchased Securities</U>. Subject to the satisfaction or waiver of the conditions set forth in Articles VI
and VII below,</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 45pt"><FONT STYLE="color: #010000">(a)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT><U>Initial
Purchased Shares</U>. On the Initial Closing Date (as defined below), the Company shall issue and sell to each Purchaser, and each
Purchaser shall subscribe for and purchase from the Company, (i) such number of Ordinary Shares set forth opposite such Purchaser&rsquo;s
name in <U>Schedule A</U> (collectively, the &ldquo;<U>Initial Purchased Shares</U>&rdquo;); and (ii) a Warrant (collectively,
the &ldquo;<U>Initial Warrants</U>&rdquo;) to subscribe for and purchase from the Company such number of Ordinary Shares set forth
opposite such Purchaser&rsquo;s name in <U>Schedule A</U> (subject to adjustment as provided therein) (the &ldquo;<U>Initial <FONT STYLE="font-weight: normal">Closing</FONT></U>&rdquo;).</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 45pt"><FONT STYLE="color: #010000">(b)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT><U>Subsequent
Purchased Shares</U>. On the Subsequent Closing Date (as defined below), the Company shall issue and sell to each Purchaser, and
each Purchaser shall subscribe for and purchase from the Company, (i) such number of Ordinary Shares set forth opposite such Purchaser&rsquo;s
name in <U>Schedule A</U> (collectively, the &ldquo;<U>Subsequent Purchased Shares</U>&rdquo;, together with the Initial Purchased
Shares, the &ldquo;<U>Purchased Shares</U>&rdquo;); and (ii) a Warrant (the &ldquo;<U>Subsequent Warrant</U>&rdquo;) to subscribe
for and purchase from the Company such number of Ordinary Shares set forth opposite such Purchaser&rsquo;s name in <U>Schedule
A</U> (subject to adjustment as provided therein) (collectively, the &ldquo;<U>Subsequent <FONT STYLE="font-weight: normal">Closing</FONT></U>&rdquo;,
together with the Initial Closing, the &ldquo;<U>Closing</U>&rdquo;).</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt 4.5pt; text-align: justify; text-indent: 0.5in">Section 2.2&#9;<U>Purchase
Price</U>.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 45pt"><FONT STYLE="color: #010000">(a)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT><U>Purchased
Shares Purchase Price</U>. The purchase price per Purchased Share shall be the equivalent of US$33.00 per ADS, and the aggregate
purchase price for the Purchased Shares (the &ldquo;<FONT STYLE="font-weight: normal"><U>Purchased Shares Purchase Price</U></FONT>&rdquo;)
shall be US$200,000,130, which is the sum of the aggregate purchase price for the Initial Purchased Shares and the aggregate purchase
price for the Subsequent Purchased Shares.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 45pt"><FONT STYLE="color: #010000">(b)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT><U>Warrant
Purchase Price</U>. The exercise price per Warrant Share shall be the amount equal to (x) US$45.00 divided by (y) 2.3, and the
aggregate exercise price for the Warrant Shares (together with the Purchased Share Purchase Price, the &ldquo;<FONT STYLE="font-weight: normal"><U>Aggregate
Purchase Price</U></FONT>&rdquo;) shall be US$50,000,400, which is the sum of the aggregate exercise price for the Initial Warrant
and the aggregate exercise price for the Subsequent Warrant.</P>

<P STYLE="font: 12pt/200% Times New Roman, Times, Serif; margin: 0 0 12pt 4.5pt; text-align: justify; text-indent: 0.5in">Section
2.3&#9;<U>Closing</U>.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 45pt"><FONT STYLE="color: #010000">(a)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT><U>Initial
Closing</U>. The Initial Closing shall take place at 10:00 a.m., Eastern Time remotely via the exchange of documents and signatures
on a date as soon as practicable but in no event later than the fifth (5th) Business Day following the satisfaction or waiver of
the conditions to the Closing set forth in Articles </P>


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<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify">VI and VII below (other than
Section 7.8 and those conditions that by their nature are to be satisfied at the Closing, but subject to the satisfaction or
waiver of those conditions), or such other place, date and time as may be mutually agreed in writing by the Company and the
Purchasers. The date on which the Initial Closing occurs is referred to herein as the &ldquo;<FONT STYLE="font-weight: normal"><U>Initial
Closing Date</U></FONT>&rdquo;.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 45pt"><FONT STYLE="color: #010000">(b)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT><U>Subsequent
Closing</U>. The Subsequent Closing shall take place at 10:00 a.m., Eastern Time remotely via the exchange of documents and signatures
on a date as soon as practicable but in no event later than the fifth (5th) Business Day following the satisfaction or waiver of
the conditions to the Closing set forth in Articles VI and VII below (other than those conditions that by their nature are to be
satisfied at the Closing, but subject to the satisfaction or waiver of those conditions), or such other place, date and time as
may be mutually agreed in writing by the Company and the Purchasers. The date on which the Subsequent Closing occurs is referred
to herein as the &ldquo;<FONT STYLE="font-weight: normal"><U>Subsequent Closing Date</U></FONT>&rdquo; ( together with the Initial
Closing Date, the &ldquo;<U>Closing Date</U>&rdquo;).</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 45pt"><FONT STYLE="color: #010000">(c)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT><U>Payment
and Delivery</U>. At each applicable Closing:</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 1in"><FONT STYLE="color: #010000">(i)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>each
Purchaser shall (A) pay such portion of the Purchased Shares Purchase Price as corresponds to the applicable Initial Purchased
Shares or the applicable Subsequent Purchased Shares, as applicable, in such Closing to the Company by electronic bank transfer
of immediately available funds to a bank account specified in <U>Schedule C</U> (<I>provided </I>that a wire instruction shall
have been provided by the Company to each Purchaser at least three (3) Business Days prior to such Closing Date), and deliver to
the Company a fund transmittal proof therewith; (B) deliver to the Company the Purchaser Closing Certificate; and (C) deliver to
the Company a scan copy of the applicable Initial Warrant or the applicable Subsequent Warrant, as applicable, in such Closing,
duly executed by such Purchaser and dated as of the applicable Closing Date; <I>provided</I>, however, that such Purchaser shall
be deemed to have satisfied its delivery obligations under this Section by making available to the Company an electronic scan copy
of such Warrant on the applicable Closing Date and delivering the original thereof to the Company within fifteen (15) Business
Days thereafter;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 1in"><FONT STYLE="color: #010000">(ii)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>the
Company shall deliver to each Purchaser against the full payment of such portion of the Purchased Shares Purchase Price as corresponds
to the applicable Initial Purchased Shares or the applicable Subsequent Purchased Shares, as applicable, by such Purchaser pursuant
to Section 2.3(c)(i) hereunder:</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 1.5in"><FONT STYLE="color: #010000">(A)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>a
share certificate representing the applicable Initial Purchased Shares or the applicable Subsequent Purchased Shares, as applicable,
duly executed on behalf of the Company; <I>provided,</I> however, that the Company shall be deemed to have satisfied its delivery
obligations under this Section by making available to such Purchaser an electronic scan copy of such share certificate on such
Closing Date and delivering the original thereof to such Purchaser within fifteen (15) Business Days thereafter;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 1.5in"><FONT STYLE="color: #010000">(B)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>a
scan copy of an extract of the register of members of the Company dated as of the applicable Closing Date, reflecting such Purchaser&rsquo;s
ownership of the applicable Initial Purchased Shares or the applicable Subsequent Purchased Shares, as applicable, duly certified
by a director of the Company;</P>


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<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 1.5in"><FONT STYLE="color: #010000">(C)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>the
Company Closing Certificate;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 1.5in"><FONT STYLE="color: #010000">(D)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>solely
with respect to and at the Initial Closing, a scan copy of the resolutions of the Board approving the entering into and execution
of this Agreement, the issuance of the Purchased Securities, the issuance of the Warrant Shares upon exercise of the Warrant by
the Purchasers, and the entering into and execution of the other Transaction Documents to which the Company is a party and the
consummation of all transactions contemplated herein and therein, duly certified by a director of the Company;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 1.5in"><FONT STYLE="color: #010000">(E)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>solely
with respect to and at the Initial Closing, an opinion of Conyers Dill &amp; Pearman, Cayman Islands counsel to the Company, in
relation to the Purchased Securities and the Warrant Shares, substantially in the form attached hereto as <U>Annex B</U>; and</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 1.5in"><FONT STYLE="color: #010000">(F)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>a
copy of the applicable Initial Warrant or the applicable Subsequent Warrant, as applicable, in such Closing, duly executed by and
on behalf of the Company and dated as of the applicable Closing Date; <I>provided</I>, however, that the Company shall be deemed
to have satisfied its delivery obligations under this Section by making available to such Purchaser an electronic scan copy of
such Warrant on the applicable Closing Date and delivering the original thereof to such Purchaser within fifteen (15) Business
Days thereafter.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 45pt"><FONT STYLE="color: #010000">(d)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT><U>Restrictive
Legend</U>. Each certificate representing any of the Purchased Securities shall be endorsed with the following legend:</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 58.5pt 0 1in; text-align: justify">THE SECURITIES REPRESENTED HEREBY
HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE &ldquo;SECURITIES ACT&rdquo;), AND MAY NOT BE SOLD,
TRANSFERRED, ASSIGNED, PLEDGED OR HYPOTHECATED EXCEPT IN ACCORDANCE WITH THE PROVISIONS OF REGULATION S PROMULGATED UNDER THE SECURITIES
ACT, PURSUANT TO REGISTRATION UNDER THE SECURITIES ACT OR PURSUANT TO AN AVAILABLE EXEMPTION FROM REGISTRATION. HEDGING TRANSACTIONS
INVOLVING THE SECURITIES REPRESENTED HEREBY MAY NOT BE CONDUCTED UNLESS IN COMPLIANCE WITH THE SECURITIES ACT. THIS CERTIFICATE
MUST BE SURRENDERED TO THE COMPANY OR ITS TRANSFER AGENT AS A CONDITION PRECEDENT TO THE SALE OR ANY OTHER TRANSFER OF ANY INTEREST
IN ANY OF THE SECURITIES REPRESENTED BY THIS CERTIFICATE.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 58.5pt 0 1in; text-align: justify">&nbsp;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt 4.5pt; text-align: justify; text-indent: 0.5in">Section 2.4&#9;<U>Contemporaneous
Private Placements</U>. Each of the Purchasers agrees and acknowledges that its investment in the Purchased Securities contemplated
hereunder is part of the Private Placements; <I>provided </I>that the sale and issuance of the Purchased Securities shall only
be subject to such closing conditions as expressly provided hereunder.</P>


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<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: center"><FONT STYLE="text-transform: uppercase; color: #010000"><B>Article
III</B></FONT><B><FONT STYLE="text-transform: uppercase"><BR>
REPRESENTATIONS AND WARRANTIES OF THE PURCHASERS</FONT></B></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 0.5in">Each Purchaser represents
and warrants, with respect to itself, to the Company as of the date hereof and as of the applicable Closing Date that:</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt 4.5pt; text-align: justify; text-indent: 0.5in">Section 3.1&#9;<U>Organization</U>.
Such Purchaser is an exempted limited partnership duly formed, validly existing and in good standing under the Laws of the Cayman
Islands. Such Purchaser has all requisite power and authority to carry on its business as it is currently being conducted.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt 4.5pt; text-align: justify; text-indent: 0.5in">Section 3.2&#9;<U>Authorization;
Enforcement; Validity</U>. Such Purchaser has the requisite power and authority to execute and deliver this Agreement and the other
Transaction Documents to which it is a party and perform its obligations under this Agreement and the other Transaction Documents
to which it is a party. The execution, delivery and performance of this Agreement and the other Transaction Documents to which
it is a party and the consummation of the transactions contemplated hereby and thereby have been duly and validly authorized by
all requisite company action by such Purchaser and no other actions or proceedings on the part of such Purchaser is necessary to
authorize the execution and delivery by it of this Agreement, the performance by it of its obligations hereunder or the consummation
by it of the transactions contemplated by this Agreement. This Agreement and the other Transaction Documents to which it is a party
have been or will be duly executed and delivered by such Purchaser, and, assuming the due authorization, execution and delivery
by the Company, constitutes a legal, valid and binding obligation of such Purchaser, enforceable against such Purchaser in accordance
with its terms, subject to bankruptcy, insolvency, fraudulent transfer, reorganization, moratorium and similar Laws of general
applicability relating to or affecting creditors&rsquo; rights and to general equity principles (the &ldquo;<FONT STYLE="font-weight: normal"><U>Bankruptcy
and Equity Exception</U></FONT>&rdquo;).</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt 4.5pt; text-align: justify; text-indent: 0.5in">Section 3.3&#9;<U>No
Conflicts</U>. The execution, delivery and performance by such Purchaser of this Agreement and the consummation by such Purchaser
of the transactions contemplated hereby will not (a) result in a violation of the organizational or constitutional documents of
such Purchaser, (b) conflict with, or constitute a default (or an event which with notice or lapse of time or both would become
a default) under, or give to others any rights of termination, amendment, acceleration or cancellation of, any material Contract
to which such Purchaser is a party, or (c) result in a violation of any Law applicable to such Purchaser, except in the case of
clauses (b) and (c) above, for such conflicts, defaults, rights or violations which would not, individually or in the aggregate,
have a material adverse effect on the ability of such Purchaser to perform its obligations hereunder.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt 4.5pt; text-align: justify; text-indent: 0.5in">Section 3.4&#9;<U>Consents</U>.
In connection with the entering into and performance of this Agreement and the other Transaction Documents, such Purchaser is not
required to obtain any consent, authorization or order of, or make any filing or registration with, (a) any Governmental Authority
in order for it to execute, deliver or perform any of its obligations under or contemplated hereby or thereby, except any filing
or report required to be made with or submitted to the SEC (including a report of beneficial ownership on Schedule 13D or Schedule
13G, a report of Section 13(f) securities holding on Form 13-F, and any amendment </P>


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<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt 4.5pt; text-align: justify">thereto) or (b) any third
party pursuant to any material agreement, indenture or instrument to which such Purchaser is a party, in each case in
accordance with the terms hereof or thereof other than such as have been made or obtained.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt 4.5pt; text-align: justify; text-indent: 0.5in">Section 3.5&#9;<U>Status
and Investment Intent</U>.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 40.5pt"><FONT STYLE="color: #010000">(a)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT><U>Status
of the Purchaser</U>. Such Purchaser is, and on each date on which it exercises the Warrant, will be (i) an &ldquo;accredited investor&rdquo;
within the meaning of Rule 501 of Regulation D under the Securities Act and/or (ii) not a &ldquo;U.S. person&rdquo; within the
meaning of Regulation S under the Securities Act.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 40.5pt"><FONT STYLE="color: #010000">(b)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT><U>Experienced
Investor</U>. Such Purchaser has sufficient knowledge and experience in financial and business matters so as to be capable of evaluating
the merits and risks of its investment in the Purchased Securities and the Warrant Shares. Such Purchaser is capable of bearing
the economic risks of such investment, including a complete loss of its investment.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 40.5pt"><FONT STYLE="color: #010000">(c)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT><U>No
Public Sale or Distribution</U>. Such Purchaser is acquiring the Purchased Securities and will acquire the Warrant Shares upon
exercise of the Warrant for its own account and not on behalf of any U.S. person and not with a view towards, or for resale in
connection with, the public sale or distribution thereof, except pursuant to sales registered or exempted under the Securities
Act. Such Purchaser does not presently have any agreement or understanding, directly or indirectly, with any Person to distribute
any of the Purchased Securities or the Warrant Shares upon exercise of the Warrant. Such Purchaser is not a broker-dealer registered
with the SEC under the Exchange Act or an entity engaged in a business that would require it to be so registered as a broker-dealer.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 40.5pt"><FONT STYLE="color: #010000">(d)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT><U>Solicitation</U>.
Such Purchaser did not contact the Company as a result of any general solicitation or directed selling efforts (within the meaning
of Regulation S promulgated under the Securities Act).</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 40.5pt"><FONT STYLE="color: #010000">(e)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT><U>Offshore
Transaction</U>. Such Purchaser has been advised and acknowledges that in issuing the Purchased Securities and the Warrant Shares
to such Purchaser pursuant to this Agreement and the other Transaction Documents, the Company is relying upon the exemption from
registration provided by Regulation S under the Securities Act. Such Purchaser acknowledges that at the time of the origination
of contact concerning this Agreement and the date of the execution and delivery of this Agreement, such Purchaser was outside of
the United States.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 40.5pt"><FONT STYLE="color: #010000">(f)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT><U>Reliance
on Exemptions; Restricted Securities</U>. Such Purchaser understands that the Purchased Securities and the Warrant Shares are being
offered and sold to it in reliance on specific exemptions from the registration requirements of United States federal and state
securities laws and that the Company is relying in part upon the truth and accuracy of, and such Purchaser&rsquo;s compliance with,
the representations, warranties, agreements, acknowledgments and understandings of such Purchaser set forth herein in order to
determine the availability of such exemptions and the eligibility of such Purchaser to acquire the Purchased Securities and the
Warrant Shares. Such Purchaser acknowledges that the Purchased Securities are, and the Warrant Shares when issued upon exercise
of the Warrant will be, &ldquo;restricted securities&rdquo; that have not been, and will have not been, registered under the Securities
Act or any applicable state securities Law. Such Purchaser </P>


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<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify">further acknowledges that, absent an effective registration under the
Securities Act, the Purchased Securities and the
Warrant Shares may only be offered, sold or otherwise transferred (i) to the Company or any Subsidiary thereof, (ii) outside the
United States in accordance with Rule 904 of Regulation S under the Securities Act or (iii) pursuant to an exemption from registration
under the Securities Act.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 40.5pt"><FONT STYLE="color: #010000">(g)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT><U>No
Public Market</U>. Such Purchaser understands that no public market now exists for the Warrant, and that the Company has made no
assurances that a public market will ever exist for the Warrant.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt 4.5pt; text-align: justify; text-indent: 0.5in">Section 3.6&#9;<U>Access
to Information.</U> Such Purchaser acknowledges that it has had the opportunity to review the Transaction Documents (including
all annexes, exhibits and schedules thereto) and the Public Documents and has been afforded (i) the opportunity to ask such questions
as it has deemed necessary of, and to receive answers from, representatives of the Company concerning the terms and conditions
of the offering of the Purchased Securities and the Warrant Shares and the merits and risks of investing in the Purchased Securities
and the Warrant Shares; (ii) access to information about the Company and its financial condition, results of operations, business,
properties, management and prospects sufficient to enable it to evaluate its investment; and (iii) the opportunity to obtain such
additional information that the Company possesses or can acquire without unreasonable effort or expense that is necessary to make
an informed investment decision with respect to the investment. Such Purchaser has sought such accounting, legal and tax advice
as it has considered necessary to make an informed decision with respect to its acquisition of the Purchased Securities and the
Warrant Shares. Such Purchaser hereby acknowledges and agrees that it has independently evaluated the merits of its decision to
purchase the Purchased Securities and the Warrant Shares, and that (A) Jefferies LLC (the &ldquo;<U>Placement Agent</U>&rdquo;)
is acting solely as placement agent in connection with the execution, delivery and performance of the Transaction Documents and
is not acting as underwriter or in any other capacity and is not and shall not be construed as a fiduciary for such Purchaser,
the Company or any other Person in connection with the execution, delivery and performance of the Transaction Documents, (B) such
Purchaser has not relied on the Placement Agent or its officers, directors, employees, attorneys or Affiliates with respect to
the negotiation, execution or performance of the Transaction Documents or any representation or warranty by any of the foregoing
Persons in, in connection with, or as an inducement to the Transaction Documents, (C) the Placement Agent will not have any responsibility
with respect to any representations, warranties or agreements made by any person or entity under or in connection with the Transaction
Documents, and (D) the Placement Agent will not have any liability or obligation (including without limitation, for or with respect
to any losses, claims, damages, obligations, penalties, judgments, awards, liabilities, costs, expenses or disbursements incurred
by such Purchaser, whether in contract, tort or otherwise, arising out of or connection with the Transaction Documents absent gross
negligence or willful misconduct (other than an action or failure to act undertaken at the request or with the express consent
of the Purchasers) on the part of the Placement Agent.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt 4.5pt; text-align: justify; text-indent: 0.5in">Section 3.7&#9;<U>Prohibited
Purchaser</U>. Such Purchaser represents that neither it nor, to its knowledge, its Affiliates, nor any Person having a beneficial
interest in it, nor any Person on whose behalf such Purchaser is acting (i) a Person that is currently the subject of Sanctions;
(ii) is a non-U.S. shell bank or is providing banking services indirectly to a non-U.S. shell bank; (iii) is a senior non-U.S.
political figure or an immediate family member or close associate of such figure; or (iv) is otherwise prohibited from investing
in </P>


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<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt 4.5pt; text-align: justify">the Company pursuant to
applicable money laundering laws, anti-terrorist and asset control laws, regulations, rules or orders (categories (i) through
(iv), each a &ldquo;<U>Prohibited Purchaser</U>&rdquo;). Such Purchaser agrees to provide the Company, promptly upon request,
all information that the Company reasonably deems necessary or appropriate to comply with applicable money laundering laws,
anti-terrorist and asset control laws, regulations, rules and orders, within the constraints imposed on such Purchaser and
its Affiliates by applicable Law, organization documents or existing internal policies. Such Purchaser consents to the
disclosure to regulators and law enforcement authorities by the Company and its Affiliates and agents of such information
about such Purchaser as the Company reasonably deems necessary or appropriate to comply with applicable money laundering
laws, anti-terrorist and asset control laws, regulations, rules and <U>orders</U>; <I>provided</I>, <I>however</I>, that
nothing in this Agreement shall be construed as requiring such Purchaser to provide or disclose any non-public information
with respect to it or any of its Affiliates other than of the type or to the extent such Purchaser and/or its Affiliates have
previously provided to regulators and law enforcement authorities in prior transactions under substantially similar standards
of confidentiality. If such Purchaser is a financial institution that is subject to the USA Patriot Act, such Purchaser
represents that it has met all of its obligations under the USA Patriot Act. Such Purchaser acknowledges that if, following
its investment in the Company, the Company reasonably believes that such Purchaser is a Prohibited Purchaser, the Company may
be obligated to prohibit additional investments, segregate the assets constituting the investment in accordance with
applicable regulations or immediately require such Purchaser to transfer the Purchased Securities and the Warrant Shares.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt 4.5pt; text-align: justify; text-indent: 0.5in">Section 3.8&#9;<U>Brokers
and Finders</U>. Neither such Purchaser nor any of its Affiliates is a party to any agreement, arrangement or understanding with
any Person that would give rise to any valid right, interest or claim against or upon the Company or such Purchaser for any brokerage
commission, finder&rsquo;s fee or other similar compensation, as a result of the transactions contemplated by the Transaction Documents.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt 4.5pt; text-align: justify; text-indent: 0.5in">Section 3.9&#9;<U>No
Additional Representations</U>. Such Purchaser acknowledges that the Company makes no representations or warranties as to any matter
whatsoever except as expressly set forth in this Agreement or in any certificate delivered by the Company to such Purchaser in
accordance with the terms hereof and thereof. Nothing herein shall be deemed to limit any of such Purchaser&rsquo;s claims relating
to fraud, intentional concealment of material facts or other willful misconduct.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: center"><FONT STYLE="text-transform: uppercase; color: #010000"><B>Article
IV</B></FONT><B><FONT STYLE="text-transform: uppercase"><BR>
REPRESENTATIONS AND WARRANTIES OF THE COMPANY</FONT></B></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 0.5in">The Company represents
and warrants to the Purchasers as of the date hereof and as of the applicable Closing Date that, except as set forth in its Public
Documents filed prior to the date of this Agreement (without giving effect to any amendment thereto filed on or after the date
of this Agreement and excluding (i) disclosures of non-specific risks faced by the Company included in any forward-looking statement,
disclaimer, risk factor disclosure or other similarly non-specific statements that are predictive, general or forward-looking in
nature; and (ii) disclosures in any Public Documents filed after the date of this Agreement but are incorporated by reference into
the Public Documents filed prior to or on the date of this Agreement):</P>


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<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt 4.5pt; text-align: justify; text-indent: 0.5in">Section 4.1&#9;<U>Organization
and Qualification</U>. The Company is an exempted company with limited liability duly incorporated, organized, validly existing
and in good standing under the Laws of the Cayman Islands, and has the requisite corporate power and authorization to own, lease
and operate its properties and to carry on its business as now being conducted. Each Subsidiary of the Company has been duly organized,
is validly existing and in good standing (with respect to jurisdictions that recognize the concept of good standing) under the
Laws of its jurisdiction of organization, and has the requisite corporate power and authorization to own, lease and operate its
properties and to carry on its business as now being conducted. Each of the Company and each of its Subsidiaries is duly qualified
or licensed to do business in each jurisdiction in which the property owned, leased or operated by it or the nature of the business
conducted by it makes such qualification or licensing necessary, except where the failure to be so qualified or licensed would
not, individually or in the aggregate, be or reasonably expected to be material to the Company and its Subsidiaries, taken as a
whole. None of the Company or its Subsidiaries is in violation of any of the provisions of its constitutional documents in any
material respects.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt 4.5pt; text-align: justify; text-indent: 0.5in">Section 4.2&#9;<U>Capitalization</U>.
As of the date of this Agreement, the authorized share capital of the Company is US$80,000 divided into 800,000,000 ordinary shares
of a par value of US$0.0001 each, which shall have the rights as determined by the Board in accordance with the Memorandum and
Articles. As of the date of this Agreement, 133,006,644 Ordinary Shares are issued and outstanding. As of the date of this Agreement,
31,475,485 Ordinary Shares have been reserved for issuance under the Company Share Plans, and options to purchase 26,704,628 Ordinary
Shares have been granted and outstanding under the Company Share Plans. All outstanding Ordinary Shares are duly authorized, validly
issued, fully paid and non-assessable and not subject to preemptive rights. The Warrant Shares issuable upon the exercise of the
Warrant have been duly and validly reserved for issuance. When issued in compliance with the provisions of this Agreement and the
Warrant, as applicable, and the Memorandum and Articles, the Warrant Shares will be (i) validly issued, fully paid and nonassessable,
(ii) issued in compliance with the applicable registration and qualification requirements of applicable Laws, and (iii) will be
free from all rights of first refusal, preemptive or similar rights, Taxes and Encumbrances; <I>provided</I>, however, that the
Warrant Shares may be subject to restrictions on transfer under the applicable securities Laws.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt 4.5pt; text-align: justify; text-indent: 0.5in">Section 4.3&#9;<U>Authorization;
Enforcement; Validity</U>. The Company has the requisite corporate power and authority to execute and deliver this Agreement and
the other Transaction Documents and perform its obligations under this Agreement and the other Transaction Documents and to issue
the Purchased Securities in accordance with the terms hereof. The execution, delivery and performance of this Agreement and the
other Transaction Documents and the consummation of the transactions contemplated hereby and thereby, including, without limitation,
the issuance of the Purchased Securities, have been duly and validly authorized by all requisite corporate action by the Company
and no other actions or proceedings on the part of the Company is necessary to authorize the execution and delivery by it of this
Agreement and the other Transaction Documents, the performance by it of its obligations hereunder and thereunder or the consummation
by it of the transactions contemplated by this Agreement and the other Transaction Documents. This Agreement and the other Transaction
Documents have been or will be duly executed and delivered by the Company, and, assuming the due authorization, execution and delivery
by the Purchasers, constitutes a legal, valid and binding obligation of the Company,</P>


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<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt 4.5pt; text-align: justify">enforceable against the Company
in accordance with its terms, subject to the Bankruptcy and Equity Exception.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt 4.5pt; text-align: justify; text-indent: 0.5in">Section 4.4&#9;<U>No
Conflicts</U>. The execution, delivery and performance by the Company of this Agreement and the other Transaction Documents and
the consummation by the Company of the transactions contemplated hereby and thereby (including, the issuance of the Purchased Securities
and the Warrant Shares) will not (a) result in a violation of the Memorandum and Articles or any other organizational or constitutional
documents of the Company or the constitutional documents of any of the Company&rsquo;s Subsidiaries, (b) conflict with, or constitute
a default (or an event which with notice or lapse of time or both would become a default) under, or give to others any rights of
termination, amendment, acceleration or cancellation of, any material Contract to which the Company or any Subsidiary of its Subsidiaries
is a party, or (c) result in a material violation of any Law applicable to the Company or its Subsidiaries or by which any property
or asset of the Company or any of its Subsidiaries is bound or affected), except in the case of clause (b) above, for such conflicts,
defaults or rights which would not, individually or in the aggregate, be or reasonably expected to be material to the Company and
its Subsidiaries, taken as a whole.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt 4.5pt; text-align: justify; text-indent: 0.5in">Section 4.5&#9;<U>Consents</U>.
In connection with the entering into and performance of this Agreement and the other Transaction Documents, the Company or any
of its Subsidiary is not required to obtain any consent, authorization or order of, or make any filing or registration with, (a)
any Governmental Authority in order for it to execute, deliver or perform any of its obligations under or contemplated hereby or
thereby, except for any required filing or notification under applicable securities Law regarding the issuance of the Purchased
Securities and the Warrant Shares, or (b) any third party pursuant to any agreement, indenture or instrument to which the Company
is a party, in each case in accordance with the terms hereof or thereof other than such as have been made or obtained.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt 4.5pt; text-align: justify; text-indent: 0.5in">Section 4.6&#9;<U>Issuance
of Purchased Securities</U>. The Purchased Shares are duly and validly authorized for issuance and sale to the Purchasers by the
Company, and, when issued and delivered by the Company against payment therefor by the Purchasers in accordance with the terms
hereof, shall be validly issued and non-assessable and free from all rights of first refusal, preemptive or similar rights, Taxes
and Encumbrances and the Purchased Shares shall be fully paid with the Purchasers being entitled to all rights accorded to a holder
of the Ordinary Shares. The Warrant is duly and validly authorized for issuance and sale to the Purchasers by the Company, and
will be a legally binding and valid obligation of the Company and enforceable against the Company in accordance with its terms,
subject to the Bankruptcy and Equity Exception. Assuming the accuracy of the representations and warranties set forth in Section
3.5 of this Agreement, the offer and issuance by the Company of the Purchased Securities is exempt from registration under the
Securities Act.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt 4.5pt; text-align: justify; text-indent: 0.5in">Section 4.7&#9;<U>No
General Solicitation</U>. Neither the Company, nor any of its Affiliates, nor any Person acting on its or their behalf, has engaged
in any form of general solicitation or general advertising (within the meaning of Regulation D promulgated under the Securities
Act) or directed selling efforts (within the meaning of Regulation S promulgated under the Securities Act) in connection with the
offer or sale of the Purchased Securities.</P>


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<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt 4.5pt; text-align: justify; text-indent: 0.5in">Section 4.8&#9;<U>No
Integrated Offering</U>. None of the Company, any of its Affiliates, or any Person acting on their behalf has, directly or indirectly,
made any offers or sales of any security or solicited any offers to buy any security, under circumstances that would require registration
of the issuance of any of the Purchased Securities under the Securities Act, whether through integration with prior offerings or
otherwise.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt 4.5pt; text-align: justify; text-indent: 0.5in">Section 4.9&#9;<U>Public
Documents</U>. The Company has timely filed or furnished, as applicable, all reports, schedules, forms, statements and other documents
required to be filed or furnished by it with the SEC pursuant to the Securities Act or the Exchange Act (all of the foregoing documents
filed with or furnished to the SEC on or prior to the date hereof and all exhibits included therein and financial statements, notes
and schedules thereto and documents incorporated by reference therein being hereinafter referred to as the &ldquo;<FONT STYLE="font-weight: normal"><U>Public
Documents</U></FONT>&rdquo;). As of their respective filing or furnishing dates, the Public Documents complied in all material
respects with the requirements of the Securities Act or the Exchange Act, as the case may be, and the rules and regulations of
the SEC promulgated thereunder, as applicable, to the respective Public Documents, and, other than as corrected or clarified in
a subsequent Public Document, none of the Public Documents, at the time they were filed or furnished, contained any untrue statement
of a material fact or omitted to state a material fact required to be stated therein or necessary in order to make the statements
therein, in the light of the circumstances under which they were made, not misleading.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt 4.5pt; text-align: justify; text-indent: 0.5in">Section 4.10&#9;<U>Financial
Statements</U>. As of their respective dates, the financial statements of the Company included in the Public Documents (the &ldquo;<FONT STYLE="font-weight: normal"><U>Financial
Statements</U></FONT>&rdquo;) complied as to form in all material respects with applicable accounting requirements and the published
rules and regulations of the SEC with respect thereto. The Financial Statements (including any related notes thereto) fairly present
in all material respects the consolidated financial position of the Company as of the dates indicated therein and the consolidated
results of its operations, cash flows and changes in shareholders&rsquo; equity for the periods specified therein, other than as
corrected or clarified in a subsequent Public Document. The Financial Statements were prepared in accordance with GAAP applied
on a consistent basis (except (a) as may be otherwise indicated in such financial statements or the notes thereto, or (b) in the
case of unaudited interim statements, to the extent they may exclude footnotes or may be condensed to summary statements).</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt 4.5pt; text-align: justify; text-indent: 0.5in">Section 4.11&#9;<U>No
Undisclosed Liabilities</U>. The Company and its Subsidiaries do not have any liabilities or obligations other than (a) liabilities
or obligations reflected on, reserved against, or disclosed in the Company&rsquo;s latest balance sheet (the &ldquo;<U>Balance
Sheet</U>&rdquo;) as disclosed in the Public Documents (excluding those discharged or paid in full prior to the date of this Agreement),
(b) liabilities not required to be reflected in the Company&rsquo;s financial statements pursuant to GAAP or disclosed in filings
made with the SEC, and (c) liabilities incurred since the date of the Balance Sheet in the ordinary course of business consistent
with past practices and any liabilities incurred pursuant to this Agreement that are not material to the Company and its Subsidiaries,
taken as a whole.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt 4.5pt; text-align: justify; text-indent: 0.5in">Section 4.12&#9;<U>Internal
Controls and Procedures</U>. The Company is in compliance with any and all applicable requirements of the Sarbanes-Oxley Act of
2002 that are effective as of the date hereof, and any and all applicable rules and regulations promulgated by the SEC thereunder
that are effective as of the date </P>


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<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt 4.5pt; text-align: justify">hereof. Except as disclosed
in the Public Documents, the Company and the Subsidiaries maintain a system of internal accounting controls sufficient to
provide reasonable assurance that (i) transactions are executed in accordance with management&rsquo;s general or specific
authorizations, (ii) transactions are recorded as necessary to permit preparation of financial statements in conformity with
GAAP and to maintain asset accountability, (iii) access to assets is permitted only in accordance with management&rsquo;s
general or specific authorization, and (iv) the recorded accountability for assets is compared with the existing assets at
reasonable intervals and appropriate action is taken with respect to any differences.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt 4.5pt; text-align: justify; text-indent: 0.5in">Section 4.13&#9;<U>Litigation</U>.
Neither the Company nor any of its Subsidiaries, nor any of their directors or officers, is a party to any, and there are no pending
or, to the Company&rsquo;s knowledge, threatened, legal, administrative, arbitral or other claims, suits, actions or proceedings
or governmental or regulatory investigations (&ldquo;<FONT STYLE="font-weight: normal"><U>Proceedings</U></FONT>&rdquo;) of any
nature (i) against the Company or any of its Subsidiaries or to which any of their interests or material properties or assets is
subject, except for any Proceedings which, in each case, would not, individually or in the aggregate, be or reasonably expected
to be material to the Company and its Subsidiaries, taken as a whole, or (ii) any Proceedings that seek to restrain or enjoin the
consummation of the transactions contemplated by the Transaction Documents. <FONT STYLE="background-color: white">There is no judgment,
order, injunction or decree (</FONT>&ldquo;<FONT STYLE="font-weight: normal"><U>Judgment</U></FONT>&rdquo;<FONT STYLE="background-color: white">)
outstanding against Company, any of its Subsidiaries, any of their equity interests, material properties or assets, or any of their
directors and officers (in their capacity as directors and officers), except for any Judgment which </FONT>would not, individually
or in the aggregate, be or reasonably expected to be material to the Company and its Subsidiaries, taken as a whole.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt 4.5pt; text-align: justify; text-indent: 0.5in">Section 4.14&#9;<U>Compliance
and Permits</U>.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 40.5pt"><FONT STYLE="color: #010000">(a)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>The
Company and each of its Subsidiaries have all permits, licenses, authorizations, consents, orders and approvals (collectively,
&ldquo;<FONT STYLE="font-weight: normal"><U>Permits</U></FONT>&rdquo;) of, and have made all filings, applications and registrations
with, any Governmental Authority that are required in order to carry on their business as presently conducted, except where the
failure to have such Permits or the failure to make such filings, applications and registrations would not, individually or in
the aggregate, be or reasonably expected to be material to the Company and its Subsidiaries, taken as a whole; and all such Permits
are in full force and effect and, to the knowledge of the Company, no suspension or cancellation of any of them is threatened,
and all such filings, applications and registrations are current, except where such absence, suspension or cancellation would not,
individually or in the aggregate, be or reasonably expected to be material to the Company and its Subsidiaries, taken as a whole.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 40.5pt"><FONT STYLE="color: #010000">(b)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>The
Company is not in violation of any listing requirements of the Nasdaq and has no knowledge of any facts that would reasonably be
expected to lead to delisting or suspension of its ADSs from the Nasdaq in the foreseeable future.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt 4.5pt; text-align: justify; text-indent: 0.5in">Section 4.15&#9;<U>Tax
Status</U>. The Company and each of its Subsidiaries (a) has made or filed in a timely manner (within any applicable extension
periods) and in the appropriate jurisdictions all foreign, federal and state income and all other tax returns, reports, information
statements and other documentation (including any additional or supporting materials) required to be filed or maintained in connection
with the calculation, determination, assessment or collection of any and all federal, state, local, foreign and other taxes, levies,
fees, imposts, duties, governmental fees and charges of whatever kind (each a &ldquo;<FONT STYLE="font-weight: normal"><U>Tax</U></FONT>&rdquo;),
including all amended </P>


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<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt 4.5pt; text-align: justify">returns required as a result
of examination adjustments made by any Governmental Authority responsible for the imposition of any Tax (collectively, the
&ldquo;<FONT STYLE="font-weight: normal"><U>Returns</U></FONT>&rdquo;), and such Returns are true, correct and complete in
all material respects, (b) has paid all Taxes and other governmental assessments and charges that are material in amount,
shown or determined to be due on such Returns, except those being contested in good faith, not finally determined, and (c)
has set aside on its books provision reasonably adequate for the payment of all Taxes for periods subsequent to the periods
to which such Returns apply. Neither the Company nor any of its Subsidiaries has received notice regarding unpaid Taxes in
any material amount claimed to be due by the taxing authority of any jurisdiction and the Company is not aware of any
reasonable basis for such claim.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt 4.5pt; text-align: justify; text-indent: 0.5in">Section 4.16&#9;<U>Intellectual
Property</U>. The Company and the Subsidiaries own, possess, license or have other rights to use or can acquire on reasonable terms
all material patents, patent applications, trademarks, trademark applications, service marks, trade names, trade secrets, inventions,
copyrights, licenses and other intellectual property rights and similar rights necessary or required for use in connection with
their respective businesses as described in the Public Documents (collectively, the &ldquo;<U>Intellectual Property Rights</U>&rdquo;).
Neither the Company nor any Subsidiary has received, since the date of the Balance Sheet, a written notice of a claim or otherwise
has any knowledge that the Intellectual Property Rights violate or infringe upon the rights of any Person, except as would not,
individually or in the aggregate, be or reasonably expected to be material to the Company and its Subsidiaries, taken as a whole.
All such Intellectual Property Rights are enforceable in all material respects, and to the knowledge of the Company, there is no
existing infringement by another Person of any of the Intellectual Property Rights that would, individually or in the aggregate,
be or reasonably expected to be material to the Company and its Subsidiaries, taken as a whole.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt 4.5pt; text-align: justify; text-indent: 0.5in">Section 4.17&#9;<U>Labor
and Employment Matters</U>. No labor disturbance by or dispute with the employees of the Company or its Subsidiaries exists or,
to the knowledge of the Company, is contemplated or threatened, and the Company is not aware of any existing or imminent labor
disturbance by, or dispute with, the employees of any of its or its Subsidiaries&rsquo; principal suppliers, contractors or customers,
except as would not, individually or in the aggregate, be or reasonably expected to be material to the Company and its Subsidiaries,
taken as a whole.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt 4.5pt; text-align: justify; text-indent: 0.5in">Section 4.18&#9;<U>Title
to Property and Assets</U>. Each of the Company and its Subsidiaries has good and marketable title to, or a legal and valid right
to use, all properties and assets (whether tangible or intangible) that it purports to own (including as reflected in the Balance
Sheet) or that it uses, free and clear of any and all Encumbrances, except for any defects in title or right or any Encumbrances
that would not, individually or in the aggregate, be or reasonably expected to be material to the Company and its Subsidiaries,
taken as a whole. Such properties and assets collectively represent in all material respects all properties and assets necessary
for the conduct of the business of the Company and its Subsidiaries as presently conducted.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 0pt 4.5pt; text-align: justify; text-indent: 0.5in">Section 4.19&#9;<U>Material
Contracts</U>. True and correct copies (or excerpt thereof) of all material Contracts of the Company and its Subsidiaries have
either been disclosed to the Purchasers or set forth in the Public Documents, and since the date of this Agreement, there has
been no acceleration, termination, material modification to or cancellation of any such Contracts that would, individually or
in the aggregate, be or reasonably expected to be material to the Company and its Subsidiaries, taken as a whole.</P>


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    <!-- Field: /Page -->

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt 4.5pt; text-align: justify; text-indent: 0.5in">Section 4.20&#9;<U>Brokers
and Finders</U>. The Company shall be responsible for the placement agent fees and reimbursement payable to the Placement Agent
in connection with the sale of the Purchased Securities. Other than the Placement Agent, neither the Company nor any of its Affiliates
is a party to any agreement, arrangement or understanding with any Person that would give rise to any valid right, interest or
claim against or upon the Purchasers or the Company for any brokerage commission, finder&rsquo;s fee or other similar compensation,
as a result of the transactions contemplated by the Transaction Documents.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 40.5pt">Section 4.21&#9;<U>Anti-Bribery
and Anti-Corruption; Money Laundering Laws; Economic Sanctions</U>.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 45pt"><FONT STYLE="color: #010000">(a)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>The
Company and its Subsidiaries and their respective directors, officers, employees, and to the knowledge of the Company, agents and
other persons acting on their behalf are and have been in compliance with all applicable Laws relating to antibribery, anti-corruption,
anti-money laundering, record keeping and internal control laws (collectively, the &ldquo;<U>Compliance Laws</U>&rdquo;). Furthermore,
no Public Official (i) holds an ownership or other economic interest, direct or indirect, in any of the Company or its Subsidiaries
or in the contractual relationship formed by this Agreement, or (ii) serves as an officer, director or employee of any of the Company
or its Subsidiaries.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 45pt"><FONT STYLE="color: #010000">(b)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>None
of the Company or its Subsidiaries or any of their respective directors, officers, employees, or to the knowledge of the Company,
agents and other persons acting on their behalf has been found by a Governmental Authority to have violated any criminal or securities
Law or is subject to any indictment or any government investigation for bribery. None of the beneficial owners of a substantial
portion of equity securities or other interest in any of the Company or its Subsidiaries or the current or former directors, officers
or employees of any of the Company and its Subsidiaries, or to the knowledge of the Company, agents or other persons acting on
the Company&rsquo;s or its Subsidiaries&rsquo; behalf, are or were Public Officials.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 45pt"><FONT STYLE="color: #010000">(c)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>None
of the Company or its Subsidiaries or any of their respective directors, officers, employees, or to the knowledge of the Company,
agents and other persons acting on their behalf is a Prohibited Person, and no Prohibited Person will be given an offer to become
an employee, officer, consultant or director of any of the Company or its Subsidiaries. None of the Company or its Subsidiaries
has conducted or agreed to conduct any business, or entered into or agreed to enter into any transaction with a Prohibited Person.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt 4.5pt; text-align: justify; text-indent: 0.5in">Section 4.22&#9;<U>License
Agreement</U>. On or prior to the date hereof, the Company shall have entered into a license agreement (the &ldquo;<U>License Agreement</U>&rdquo;)
with respect to the out-licensing of certain assets of the Company.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt 4.5pt; text-align: justify; text-indent: 0.5in">Section 4.23&#9;<U>CFIUS</U>.
Neither the Company nor any of its Subsidiaries currently is a TID U.S. business as that term is defined at 31 C.F.R. &sect;&nbsp;800
et seq.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt 4.5pt; text-align: justify; text-indent: 0.5in">Section 4.24&#9;<U>No
Materially More Favorable Terms</U>. The Company has not entered into any definitive transaction document, side letter, undertaking
letter, or other similar agreement or instrument with any other investor in connection with the Private Placements with terms and
conditions that are materially more </P>


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<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt 4.5pt; text-align: justify">favorable than the terms and
conditions provided hereunder or under the Warrants; <I>provided</I> that (i) the lock-up requirements provided to the
Purchasers may differ from the other investors in the Private Placements as a result of there being two Closings, and (ii)
the Company has provided separate terms to the Purchasers as a result of a board seat.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt 4.5pt; text-align: justify; text-indent: 0.5in">Section 4.25&#9;<U>No
Additional Representations</U>. The Company acknowledges that each Purchaser makes no representations or warranties as to any matter
whatsoever except as expressly set forth in this Agreement or in any certificate delivered by such Purchaser to the Company in
accordance with the terms hereof and thereof. Nothing herein shall be deemed to limit any of the Company&rsquo;s claims relating
to fraud, intentional concealment of material facts or other willful misconduct.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: center"><FONT STYLE="text-transform: uppercase; color: #010000"><B>Article
V</B></FONT><B><FONT STYLE="text-transform: uppercase"><BR>
AGREEMENTS OF THE PARTIES</FONT></B></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt 4.5pt; text-align: justify; text-indent: 0.5in">Section 5.1&#9;<U>Further
Assurances</U>. The Purchasers and the Company shall use its reasonable best efforts to fulfill or obtain the fulfillment of the
conditions precedent to the consummation of the transactions contemplated by this Agreement on a timely basis, including the execution
and delivery of any documents, certificates, instruments or other papers that are reasonably required for the consummation of such
transactions, and will cooperate and consult with the other and use its reasonable best efforts to prepare and file all necessary
documentation, to effect all necessary applications, notices, petitions, filings and other documents, and to obtain all necessary
Permits of, or any exemption by, all Governmental Authorities, necessary or advisable to consummate the transactions contemplated
by this Agreement. During the period from the date of this Agreement through the applicable Closing Date, except as required by
applicable Law or with the prior written consent of the other party, each of the Purchasers and the Company will use reasonable
best effort to avoid taking any action which, or failing to take any action the failure of which to be taken, would, or would reasonably
be expected to (a) result in any of the representations and warranties set forth in Article III or IV on the part of the party
taking or failing to take such action being or becoming untrue in any respect, (b) result in any conditions set forth in Articles
VI and VII not to be satisfied, or (c) result in any material violation of any provision of this Agreement. After the applicable
Closing Date, each party shall use reasonable best efforts to execute and deliver such further certificates, agreements and other
documents and take such other actions as the other party may reasonably request to consummate or implement such transactions or
to evidence such events or matters.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt 4.5pt; text-align: justify; text-indent: 0.5in">Section 5.2&#9;<U>Expenses</U>.
Except as otherwise provided in this Agreement and the other Transaction Documents, each party shall bear and pay its own costs,
fees and expenses incurred by it in connection with the Transaction Documents and the transactions contemplated by the Transaction
Documents.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt 4.5pt; text-align: justify; text-indent: 0.5in">Section 5.3&#9;<U>Confidentiality.</U></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 49.5pt"><FONT STYLE="color: #010000">(a)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>Each
party shall keep confidential any non-public material or information with respect to the business operations, financial conditions,
and other aspects of the other parties which it is aware of, or have access to, in signing or performing this Agreement and the
other Transaction Documents (including written or non-written information, the &ldquo;<U>Confidential Information</U>&rdquo;).
Confidential Information shall not </P>


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<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify">include any information that is (a) previously known on a non-confidential basis by the receiving
party, (b) in the public domain through no fault of such receiving party, its Affiliates or its or its Affiliates&rsquo; officers,
directors or employees, (c) received from a party other than the Company or the Company&rsquo;s representatives or agents, so long
as such party was not, to the knowledge of the receiving party, subject to a duty of confidentiality to the Company or (d) developed
independently by the receiving party without reference to confidential information of the disclosing party. No party shall disclose
such Confidential Information to any third party. Any Party may use the Confidential Information only for the purpose of, and to
the extent necessary for performing this Agreement and the other Transaction Documents; and shall not use such Confidential Information
for any other purposes. The parties hereby agree, for the purpose of this Section 5.3, that the existence and terms and conditions
of this Agreement and exhibits hereof shall be deemed as Confidential Information.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 49.5pt"><FONT STYLE="color: #010000">(b)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>Notwithstanding
any other provisions in this Section 5.3, if any party believes in good faith that any announcement or notice must be prepared
or published pursuant to applicable Laws (including any rules or regulations of any securities exchange or valid legal process)
or information is otherwise required to be disclosed to any Governmental Authority (including any filings made with, or any information
furnished to, the SEC) with respect to this Agreement or the other Transaction Documents and the transactions contemplated hereby
and thereby, such party may, in accordance with its understanding of the applicable Laws, make the required disclosure in the manner
it deems in compliance with the requirements of applicable Laws; <I>provided</I> that the parties, to the extent permitted by applicable
Law, will consult with each other before issuance, and provide each other the opportunity to review, comment upon and concur with,
and use all reasonable efforts to agree on any press release, public statement, or disclosure in the filings made with, or any
information furnished to, the SEC, with respect to this Agreement or the other Transaction Documents and the transactions contemplated
hereby and thereby, and will not (to the extent practicable) issue any such press release or make any such public statement or
filings, or furnish such information, prior to such consultation and agreement, except as may be required by Law or any listing
agreement with or requirement of the Nasdaq or any other applicable securities exchange, provided that the disclosing party shall,
to the extent permitted by applicable Law or any listing agreement with or requirement of the Nasdaq or any other applicable securities
exchange and if reasonably practicable, inform the other party about the disclosure to be made pursuant to such requirements prior
to the disclosure and provide the other party the opportunity to review such disclosure.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 49.5pt"><FONT STYLE="color: #010000">(c)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>Each
party may disclose the Confidential Information only to its Affiliates and its and its Affiliates&rsquo; officers, directors, managers,
partners, employees, agents, legal advisors and representatives on a need-to-know basis in the performance of the Transaction Agreements;
<I>provided</I> that, such party shall ensure such Persons strictly abide by the confidentiality obligations hereunder or substantially
equivalent terms.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 49.5pt"><FONT STYLE="color: #010000">(d)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>The
confidentiality obligations of each party hereunder shall survive the termination of this Agreement. Each party shall continue
to abide by the confidentiality clause hereof and perform the obligation of confidentiality it undertakes until the other party
approves release of that obligation or until a breach of the confidentiality clause hereof will no longer result in any prejudice
to the other party.</P>


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<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt 4.5pt; text-align: justify; text-indent: 0.5in">Section 5.4&#9;<U>Compliance
and Other Actions Prior to Closing</U>. Except for the transactions contemplated under this Agreement, the other Transaction Documents
and the Private Placements, from the date hereof until the applicable Closing Date, the Company shall, and shall cause each of
its Subsidiaries to, (a) conduct its business and affairs in the ordinary course of business consistent with past practice or its
business expansion plans as disclosed in the Public Documents, (b) not take any action, or omit to take any action, that would
reasonably be expected to make (x) any of its representations and warranties in this Agreement untrue, or (y) any of the conditions
for the benefit of the Purchaser set forth in Article VII not to be satisfied, in each case, at, or as of any time before, the
applicable Closing Date. Without limiting the generality of the foregoing, the Company agrees that, except as disclosed in the
Public Documents, from the date hereof until the applicable Closing Date, none of the Company or its Subsidiaries shall make (or
otherwise enter into any Contract with respect to) (a) any material change in any method of accounting or accounting practice by
the Company or any of its Subsidiaries; (b) any declaration, setting aside or payment of any dividend or other distribution with
respect to any Securities of the Company or any of its Subsidiaries (except for dividends or other distributions by any Subsidiary
to the Company or to any of the Company&rsquo;s wholly owned Subsidiaries); (c) any redemption, repurchase or other acquisition
of any share capital of the Company or any of its Subsidiaries; (d) issue or sell any Securities or debt securities, warrants or
other rights to acquire any Security other than pursuant to the transactions contemplated under the Private Placements or the Company
Share Plans; or (e) make any alteration or amendment to the Memorandum and Articles, or change the size or composition of the Board
or any committee thereof. The Company does not currently intend to use any portion of the proceeds from the Aggregate Purchase
Price to (i) pay dividend in cash or in kind to, (ii) make distributions in any form to, (iii) repurchase or redeemed Securities
from, or (iv) otherwise make payments to, any holder of Securities</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt 4.5pt; text-align: justify; text-indent: 0.5in">Section 5.5&#9;<U>Reservation
of Shares</U>. The Company shall maintain a reserve from its duly authorized but unissued shares, sufficient Ordinary Shares to
enable the Company to comply with its obligations to issue the Purchased Shares and the Warrant Shares.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 0.5in">Section 5.6&#9;
<U>Lock-up</U>. During the 90-day period following the applicable Closing Date (each a &ldquo;<U>Lock-Up Period</U>&rdquo;), none
of the Purchasers shall, without the prior consent of the Company, directly or indirectly, Dispose of any of the Purchased Securities
purchased on such Closing Date, together with any Ordinary Shares, ADSs or Ordinary Share Equivalents issued in respect thereof
as a result of any share split, share dividend, share exchange, merger, consolidation or similar recapitalization (collectively,
the &ldquo;<U>Lock-Up Securities</U>&rdquo;). Notwithstanding the foregoing, each Purchaser and its Affiliates shall be permitted
to transfer any of the Purchased Securities to their Affiliates, <I>provided</I> that such Affiliates shall be bound by such Purchaser&rsquo;s
obligations in this Section 5.6 for the balance of each Lock-Up Period as if such Affiliates were a party hereto. Notwithstanding
anything to the contrary contained herein, each Purchaser and its Affiliates may directly or indirectly, place any charge, mortgage,
lien, pledge, restrictions, security interest or other encumbrance in respect of the Lock-Up Securities in connection with such
Purchaser&rsquo;s (or any of its Affiliates&rsquo;) margin loans, collars, derivative transactions or other such downside protection
transactions to be entered into on or after the date of this Agreement by such Purchaser (or any of its Affiliates), and the beneficiary
of such transaction (the &ldquo;<U>Beneficiary</U>&rdquo;) will be entitled to foreclose or enforce following default by such
Purchaser or its Affiliates, including sell (or instruct its agent to sell) the Lock-Up Securities, </P>


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<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify">provided that such Beneficiary
shall be bound by such Purchaser&rsquo;s obligations in
this Section 5.6 for the balance of each Lock-Up Period as if such Beneficiary were a party hereto.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt 4.5pt; text-align: justify; text-indent: 0.5in">Section 5.7&#9;<U>Registration
Rights</U>. Each Purchaser shall be entitled to the registration rights with respect to the Registrable Securities held thereby
as set forth in <U>Annex A</U> attached hereto.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt 4.5pt; text-align: justify; text-indent: 0.5in">Section 5.8&#9;<U>Board
Representation Rights</U>. For so long as the Purchasers continue to jointly beneficially own, whether directly or indirectly,
at least five percent (5.0%) of the Company&rsquo;s total issued and outstanding share capital, the Company shall, subject to applicable
Law and the Memorandum and Articles, take all necessary or desirable actions as may be required under applicable Law to, upon delivery
of written notice from the Purchasers to the Company, (a) cause an existing director of the Company to duly resign from the Board
as soon as practicable but no later than the Subsequent Closing Date to enable the appointment of the initial Purchaser Director
in his or her stead, (b) cause an individual jointly designated by the Purchasers to be appointed as the initial Purchaser Director
with immediate effect as soon as practicable but in no event later than the tenth (10th) Business Day after the resignation of
the departing director described in clause (a) above (with a true copy of the register of director of the Company reflecting such
appointment, duly certified by a director of the Company, which shall be delivered to the Purchasers within five (5) Business Days
after such appointment), and (c) cause the same individual or any other individual jointly designated by the Purchasers to be re-elected
or appointed as the Purchaser Director from time to time thereafter, <I>provided</I> that, in each case, such individual jointly
designated by the Purchasers shall be qualified to serve as a director of the Company under applicable Laws and Nasdaq rules.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt 4.5pt; text-align: justify; text-indent: 0.5in">Section 5.9&#9;<U>Additional
Issuance of Securities</U>.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 49.5pt"><FONT STYLE="color: #010000">(a)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>The
Company agrees that during the 90-day period following the applicable Closing Date (each a &ldquo;<U>Company Lock-Up Period</U>&rdquo;),
the Company will not, without the prior written consent of the Purchasers, directly or indirectly issue, offer, sell, or grant
any option or right to purchase any New Securities.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 49.5pt"><FONT STYLE="color: #010000">(b)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>The
Company agrees that during the 90-day period commencing from the expiration of each Company Lock-Up Period, the Company will not,
without the prior written consent of the Purchasers, directly or indirectly issue, offer, sell, or grant any option or right to
purchase any New Securities at an effective purchase price per Ordinary Share lower than the purchase price per Purchased Share
under this Agreement.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 49.5pt"><FONT STYLE="color: #010000">(c)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>For
purposes of this Agreement, &ldquo;<U>New Securities</U>&rdquo; shall mean any Securities other than (i) ADSs or Ordinary Shares
or any securities exchangeable or exercisable for, or convertible into, ADSs or Ordinary Shares to give effect to the transactions
contemplated under this Agreement, the Transaction Documents or the Private Placements; (ii) ADSs, Ordinary Shares, options or
warrants to purchase ADSs or Ordinary Shares, or ADSs or Ordinary Shares issuable upon exercise of options or warrants, pursuant
to the Company Share Plans; (iii) ADSs or Ordinary Shares upon the conversion, exchange or exercise of any Securities issued prior
to the date hereof; or (iv) ADSs or Ordinary Shares issuable upon stock dividend or </P>


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<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify">distribution, stock split, share
subdivision, recapitalization, reclassification or similar transaction affecting the holders of Ordinary Shares on a pro rata
basis.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt 4.5pt; text-align: justify; text-indent: 0.5in">Section 5.10&#9;<U>Public
Announcement</U>. The Company shall, as soon as practicable after the execution of this Agreement and the License Agreement, issue
a press release, to the extent relating thereto reasonably acceptable to the Purchasers, announcing the same.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt 4.5pt; text-align: justify; text-indent: 0.5in">Section 5.11&#9;<U>Assistance
in ADS Conversion</U>. Upon written request by any Purchaser, the Company shall provide reasonable assistance to such Purchaser
in the sale, resale or other disposition of the Purchased Shares and the Warrant Shares (if any) following the expiration of the
Lock-Up Period, including the conversion of the Purchased Shares and the Warrant Shares (if any) into freely tradeable ADSs, subject
to the rules and regulations of the Securities Act. The Company shall make reasonable best efforts to: (a) request its counsel
to submit a request, and if requested, an opinion, to the Company&rsquo;s depositary, the corporate registrar, and transfer agent
and all other applicable parties (as applicable, collectively &ldquo;<U>Agent</U>&rdquo;) to facilitate the removal of all restrictive
legends or any other forms of restrictions on the Purchased Shares and the Warrant Shares (if any) and the conversion of the Purchased
Shares and the Warrant Shares (if any) into freely tradeable ADSs, subject to the rules and regulations of the Securities Act,
(b) procure a waiver of the conversion fees and maintenance fees related to the conversion of the Purchased Shares and the Warrant
Shares (if any) into ADSs (provided that in the event such waiver is not obtained, the Company shall reimburse Investor for fifty
percent (50%) of such conversion fees), and (c) provide conversion approvals and instructions to the Agent and all other applicable
parties (as applicable).</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt 4.5pt; text-align: justify; text-indent: 0.5in">Section 5.12&#9;<U>Passive
Foreign Investment Company</U>. The Company will engage an internationally reputable accounting firm to determine whether the Company
was a &ldquo;passive foreign investment company&rdquo; (as defined in Section 1297(a) of the U.S. Internal Revenue Code of 1986,
as amended) (a &ldquo;<U>PFIC</U>&rdquo;) on an annual basis. The Company will promptly notify the Purchasers, after the assessment
is completed based on the audited financial data, if the Company becomes a PFIC, or if there is a likelihood of the Company being
a PFIC for any taxable year, and provide such information reasonably available to the Company as the Purchasers may reasonably
request to permit them to make and maintain an election to treat the Company as a &ldquo;qualified electing fund&rdquo; (within
the meaning of Section 1295 of the U.S. Internal Revenue Code of 1986, as amended) for U.S. federal income tax purposes.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt 4.5pt; text-align: justify; text-indent: 0.5in">Section 5.13&#9;<U>Use
of Purchasers&rsquo; Name or Logo</U>. Without the prior written consent of any Purchaser (regardless of whether such Purchaser
then holds any Securities), the Company shall not and shall cause each of its Affiliates not to use, publish or reproduce the name
of such Purchaser or its Affiliates or any similar name, trademark or logo in any of their marketing, advertising or promotion
materials governmental or regulatory filings or otherwise for any marketing, advertising, promotional or filing purposes.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin-top: 0; margin-right: 0; margin-bottom: 0pt; text-align: justify">&nbsp;</P>

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    <!-- Field: /Page -->

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin-top: 0; margin-right: 0; margin-bottom: 0pt; text-align: justify"></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin-top: 0; margin-right: 0; margin-bottom: 0pt; text-align: justify">&nbsp;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: center"><FONT STYLE="text-transform: uppercase; color: #010000"><B>Article
VI</B></FONT><B><FONT STYLE="text-transform: uppercase"><BR>
CONDITIONS TO THE COMPANY&rsquo;S OBLIGATION TO CLOSE</FONT></B></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 0.5in">The obligation of
the Company hereunder to consummate the Closing is subject to the satisfaction or waiver by the Company, at or before the applicable
Closing Date, of each of the following conditions:</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt 4.5pt; text-align: justify; text-indent: 0.5in">Section 6.1&#9;<U>Execution
of Transaction Documents</U>. Each Purchaser shall have duly executed and delivered to the Company the Transaction Documents to
which it is a party.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt 4.5pt; text-align: justify; text-indent: 0.5in">Section 6.2&#9;<U>Representations
and Warranties; Covenants</U>. The representations and warranties of each Purchaser contained in Article III hereof shall be true
and correct in all material respects (except for those representations and warranties that are qualified by materiality or material
adverse effect, which shall be true and correct to such extent) as of the date of this Agreement and as of the applicable Closing
Date as though made at that date (except for those representations and warranties that speak as of a specific date, which shall
be so true and correct in all material respects as of such specified date); <I>provided</I> that each representation or warranty
made by such Purchaser in Sections 3.1, 3.2 and 3.3(a) shall be true and correct in all respects as of the date of this Agreement
and as of the applicable Closing Date as though made at that date (except for those representations and warranties that speak as
of a specific date, which shall be so true and correct as of such specified date); and such Purchaser shall have performed, satisfied
and complied in all material respects with the covenants and agreements required by this Agreement to be performed, satisfied or
complied with by such Purchaser at or prior to the applicable Closing Date.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt 4.5pt; text-align: justify; text-indent: 0.5in">Section 6.3&#9;<U>No
Stop Order</U>. No stop order suspending the qualification or exemption from qualification of the Purchased Securities in any jurisdiction
shall have been issued and no Proceeding for that purpose shall have been commenced or shall be pending or threatened.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt 4.5pt; text-align: justify; text-indent: 0.5in">Section 6.4&#9;<U>No
Action</U>. No Law or Judgment entered by or with any Governmental Authority with competent jurisdiction, shall be in effect that
enjoins, prohibits or materially alters the terms of the transactions contemplated by the Transaction Documents, nor any Proceeding
challenging any Transaction Document or the transactions contemplated hereby and thereby, or seeking to prohibit, alter, prevent
or delay the Closing, shall have been instituted or being pending before any Governmental Authority.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt 4.5pt; text-align: justify; text-indent: 0.5in">Section 6.5&#9;<U>Purchaser
Officer&rsquo;s Certificate</U>. Each Purchaser shall have delivered to the Company a certificate (the &ldquo;<U>Purchaser Closing
Certificate</U>&rdquo;), dated as of the applicable Closing Date, executed by a duly authorized officer of such Purchaser, certifying
to the fulfillment of the condition specified in Article VI.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: center"><FONT STYLE="text-transform: uppercase; color: #010000"><B>Article
VII</B></FONT><B><FONT STYLE="text-transform: uppercase"><BR>
CONDITIONS TO THE PURCHASERS&rsquo; OBLIGATION TO </FONT>CLOSE</B></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 0.5in">The obligation of
each Purchaser hereunder to consummate the Closing is subject to the satisfaction or waiver by such Purchaser, at or before the
applicable Closing Date, of each of the following conditions:</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt 4.5pt; text-align: justify; text-indent: 0.5in">Section 7.1&#9;<U>Execution
of Transaction Documents</U>. The Company shall have duly executed and delivered to the Purchasers the Transaction Documents to
which it is a party.</P>


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<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt 4.5pt; text-align: justify; text-indent: 0.5in">Section 7.2&#9;<U>Representations
and Warranties; Covenants</U>. The representations and warranties of the Company contained in Article IV hereof shall be true and
correct in all material respects (except for those representations and warranties that are qualified by materiality or Material
Adverse Effect, which shall be true and correct to such extent) as of the date of this Agreement and as of the applicable Closing
Date as though made at that date (except for those representations and warranties that speak as of a specific date, which shall
be so true and correct in all material respects as of such specified date); <I>provided</I> that each representation or warranty
made by the Company in this Agreement under Sections 4.1, 4.2, 4.3, 4.4(a), 4.6, 4.22 and 4.23 shall be true and correct in all
respects as of the date of this Agreement and as of the applicable Closing Date as though made at that date (except for those representations
and warranties that speak as of a specific date, which shall be so true and correct as of such specified date), and the Company
shall have performed, satisfied and complied in all material respects with the covenants and agreements required by this Agreement
to be performed, satisfied or complied with by the Company at or prior to the applicable Closing Date.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt 4.5pt; text-align: justify; text-indent: 0.5in">Section 7.3&#9;<U>No
Stop Order</U>. No stop order suspending the qualification or exemption from qualification of the Purchased Securities in any jurisdiction
shall have been issued and no Proceeding for that purpose shall have been commenced or shall be pending or threatened.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt 4.5pt; text-align: justify; text-indent: 0.5in">Section 7.4&#9;<U>No
Action</U>. No Law or Judgment entered by or with any Governmental Authority with competent jurisdiction, shall be in effect that
enjoins, prohibits or materially alters the terms of the transactions contemplated by the Transaction Documents, nor Proceeding
challenging any Transaction Document or the transactions contemplated hereby and thereby, or seeking to prohibit, alter, prevent
or delay the Closing, shall have been instituted or being pending before any Governmental Authority.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt 4.5pt; text-align: justify; text-indent: 0.5in">Section 7.5&#9;<U>No
Material Adverse Effect</U>. From and after the date hereof, there shall not have occurred a Material Adverse Effect.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt 4.5pt; text-align: justify; text-indent: 0.5in">Section 7.6&#9;<U>Company
Officer&rsquo;s Certificate</U>. The Company shall have delivered to the Purchasers a certificate (the &ldquo;<U>Company Closing
Certificate</U>&rdquo;), dated as of the applicable Closing Date, executed by a duly authorized officer of the Company, certifying
to the fulfillment of the conditions specified in Article VII.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt 4.5pt; text-align: justify; text-indent: 0.5in">Section 7.7&#9;<U>No
Suspensions of Trading in ADSs</U>. Trading in the ADSs has not been, or been threatened to be, suspended by the SEC or Nasdaq
as of the Closing Date.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt 4.5pt; text-align: justify; text-indent: 0.5in">Section 7.8&#9;<U>Effectiveness
of License Agreement</U>. Solely with respect to the Subsequent Closing, the License Agreement shall be or remain effective as
of the Subsequent Closing Date.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt 4.5pt; text-align: justify; text-indent: 0.5in">Section 7.9&#9;<U>Contemporaneous
Private Placements</U>. Solely with respect to the Subsequent Closing, the consummation of the Private Placements with the investors
thereof (other than the Subsequent Closing with respect to the Purchasers hereunder) shall have occurred.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt 4.5pt; text-align: justify; text-indent: 0.5in">Section 7.10&#9;<U>Board
Vacancy</U>. Solely with respect to the Subsequent Closing, an existing director of the Company shall have duly resigned from the
Board to enable the appointment of the initial Purchaser Director in his or her stead as of the Subsequent Closing Date.</P>


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<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: center"><FONT STYLE="text-transform: uppercase; color: #010000"><B>Article
VIII</B></FONT><B><FONT STYLE="text-transform: uppercase"><BR>
TERMINATION</FONT></B></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt 4.5pt; text-align: justify; text-indent: 0.5in">Section 8.1&#9;<U>Termination</U>.
Subject to Section 8.2 below, this Agreement may be terminated and the transactions contemplated by this Agreement may be abandoned
at any time prior to the applicable Closing; <I>provided</I>, however, that following the consummation of the Initial Closing,
this Agreement may be terminated only with respect to the Subsequent Closing provided hereunder:</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 49.5pt"><FONT STYLE="color: #010000">(a)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>by
mutual agreement of the Company and the Purchasers;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 49.5pt"><FONT STYLE="color: #010000">(b)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>by
the Company or jointly by the Purchasers if any Law, or any final, non-appealable injunction or order shall have been enacted,
issued, promulgated, enforced or entered which is in effect and has the effect of prohibiting the sale and issuance of the applicable
Purchased Securities, <I>provided</I>, however, that the right to terminate this Agreement pursuant to this Section 8.1(b) shall
not be available to a party if the issuance of such Law, injunction or order was primarily due to the breach or failure of such
party to perform in material respects any of its obligations under this Agreement;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 49.5pt"><FONT STYLE="color: #010000">(c)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>by
the Purchasers jointly if there has been a material breach of any representation or warranty by the Company under this Agreement
or any material breach of any covenant or agreement by the Company under this Agreement that, in any case, would give rise to the
failure of the condition set forth in Section 7.2 or Section 7.5, and such breach is not cured within ten (10) Business Days upon
delivery of written notice thereof from the Purchasers; <I>provided</I>, however, that the Purchasers shall not have the right
to terminate this Agreement pursuant to this Section 8.1(c) if the Purchasers shall have materially breached or failed to perform
any of its representations, warranties, covenants or agreements under this Agreement and such breach or failure shall have been
the principal cause of, or shall have resulted in, the failure of the condition set forth in Section 7.2 or Section 7.5;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 49.5pt"><FONT STYLE="color: #010000">(d)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>by
the Company if there has been a material breach of any representation or warranty by any Purchaser under this Agreement or any
material breach of any covenant or agreement by any Purchaser under this Agreement that, in any case, would give rise to the failure
of the condition set forth in Section 6.2, and such breach is not cured within ten (10) Business Days upon delivery of written
notice thereof from the Company; <I>provided</I>, however, that the Company shall not have the right to terminate this Agreement
pursuant to this Section 8.1(d) if the Company shall have materially breached or failed to perform any of its representations,
warranties, covenants or agreements under this Agreement and such breach or failure shall have been the principal cause of, or
shall have resulted in, the failure of the condition set forth in Section 6.2; or</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 49.5pt"><FONT STYLE="color: #010000">(e)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>by
the Company or jointly by the Purchasers, upon written notice to the other parties (i) if the Initial Closing has not occurred
within thirty (30) days after the date hereof, or (ii) solely with respect to the Subsequent Closing, if the Subsequent Closing
has not occurred within one hundred and twenty (120) days after the date hereof, <I>provided, </I>however, that the right to terminate
this Agreement under this Section 8.1(e) shall not be available to any party whose failure to fulfill any obligation under this
Agreement shall have been the principal cause of, or shall have resulted in, the failure of the applicable Closing to occur on
or</P>


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<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify">prior to such date; <I>provided</I>, <I>further</I>,
that the parties shall negotiate in good faith an extension for a reasonable period of time if the failure to effect the
applicable Closing is solely the result of the prolonged review or approval procedures implemented by any relevant
Governmental Authorities (if and to the extent applicable).</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt 4.5pt; text-align: justify; text-indent: 0.5in">Section 8.2&#9;<U>Effect
of Termination</U>. In the event of termination of this Agreement as provided in Section 8.1 above, written notice thereof shall
be given to the other party specifying the provision hereof pursuant to which such termination is made, and this Agreement shall
forthwith become void and there shall be no liability or obligation on the part of the parties hereto; <I>provided</I> that (a)
nothing herein shall relieve any party hereto from liability for any breach of this Agreement that occurred before such termination
and (b) the provisions of this Article VIII, Article IX, Section 5.3 and Section 5.13 shall remain in full force and effect and
survive any termination of this Agreement pursuant to the terms of this Article VIII.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: center"><FONT STYLE="text-transform: uppercase; color: #010000"><B>Article
IX</B></FONT><B><FONT STYLE="text-transform: uppercase"><BR>
MISCELLANEOUS</FONT></B></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt 4.5pt; text-align: justify; text-indent: 0.5in">Section 9.1&#9;<U>Survival</U>.
Other than the representations and warranties set forth in Sections 3.1, 3.2, 3.3(a), 4.1, 4.2, 4.3, 4.4(a) and 4.6, which shall
survive the Closing indefinitely, the representations and warranties of the parties set forth in Articles III and IV of this Agreement
shall survive the execution and delivery of this Agreement and the Closing until the date that is 12 months after the applicable
Closing; <I>provided</I> that each representation, warranty, covenant and agreement hereunder shall survive the Closing indefinitely
in the case of fraud, intentional concealment of material facts or other willful misconduct on the part of the Company or the Purchasers,
as the case may be; <I>provided</I>, <I>further</I>, that a claim with respect to recovery under the indemnification provisions
set forth in Section 9.2 is initiated prior to the applicable survival period set forth in this Section 9.1, such claim may continue
indefinitely until it is finally resolved pursuant to Section 9.2.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt 4.5pt; text-align: justify; text-indent: 0.5in">Section 9.2&#9;<U>Indemnification</U>.
From and after the applicable Closing Date, each party (the &ldquo;<U>Indemnitor</U>&rdquo;) shall defend, protect, indemnify and
hold harmless the other parties and their respective Affiliates, shareholders, partners, members, officers, directors, employees,
agents or other representatives (collectively, the &ldquo;<FONT STYLE="font-weight: normal"><U>Indemnitees</U></FONT>&rdquo;) from
and against any and all actions, causes of action, suits, claims, losses, diminution in value, costs, penalties, fees, liabilities
and damages, and expenses in connection therewith (irrespective of whether any such Indemnitee is a party to the action for which
indemnification hereunder is sought), and including reasonable attorneys&rsquo; fees and disbursements (the &ldquo;<FONT STYLE="font-weight: normal"><U>Indemnified
Liabilities</U></FONT>&rdquo;), incurred by any Indemnitee as a result of, or arising out of, or relating to (a) any misrepresentation
or breach of any representation or warranty made by the Indemnitor in this Agreement and other Transaction Documents, (b) any breach
of any covenant, agreement or obligation of the Indemnitor contained in this Agreement or the other Transaction Documents, and
(c) any cause of action, suit or claim brought or made against such Indemnitee by a third party arising out of or as a result of
any breach of any representation or warranty made by the Indemnitor or any breach of any covenant, agreement or obligation of the
Indemnitor under the Transaction Documents. Notwithstanding the foregoing, the term &ldquo;Indemnified Liabilities&rdquo; shall
not include any punitive, incidental, consequential, special or indirect losses and damages, including loss of future revenue or
income, or loss of business reputation or opportunity.</P>


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<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt 4.5pt; text-align: justify; text-indent: 0.5in">Section 9.3&#9;<U>Limitation
to the Indemnitor&rsquo;s Liability</U>. Notwithstanding anything to the contrary in this Agreement:</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 45pt"><FONT STYLE="color: #010000">(a)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>the
Indemnitor shall have no liability to the Indemnitees under Section 9.2(a) with respect to any misrepresentation or breach of any
representation or warranty made by the Indemnitor in this Agreement unless the aggregate amount of Indemnified Liabilities suffered
or incurred by the Indemnitees thereunder exceeds five percent (5%) of the Aggregate Purchase Price, in which case the Indemnitor
shall be liable for all Indemnified Liabilities pursuant to Section 9.2(a); <I>provided</I> that, the limitation under Section
9.3(a) shall not apply to any Indemnifiable Liabilities resulting from or arising out of, directly or indirectly, fraud, intentional
concealment of material facts or other willful misconduct on the part of the Indemnitor;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 45pt"><FONT STYLE="color: #010000">(b)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>the
maximum aggregate liabilities of the Indemnitor in respect of Indemnified Liabilities pursuant to Section 9.2(a) with respect to
any misrepresentation or breach of any representation or warranty made by the Indemnitor in this Agreement shall be subject to
a cap equal to (i) in the case of the Company with respect to any Purchaser, the Aggregate Purchase Price actually received from
such Purchaser, (ii) in the case of the Purchasers, together, the Aggregate Purchase Price in the aggregate; <I>provided</I> that,
the cap under this Section 9.3(b) shall not apply to any Indemnifiable Liabilities resulting from or arising out of, directly or
indirectly, fraud, intentional concealment of material facts or other willful misconduct on the part of the Indemnitor;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 45pt"><FONT STYLE="color: #010000">(c)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>notwithstanding
any other provision contained herein and except in the case of fraud, intentional misrepresentation and/or willful misconduct,
from and after the Closing, this Section 9.3 shall be the sole and exclusive monetary remedy of any of the Indemnitees for any
claims against the Indemnitor arising out of or resulting from this Agreement and the other Transaction Documents and the transactions
contemplated hereby and thereby; <I>provided</I> that the Indemnitee shall also be entitled to specific performance or other equitable
remedies in any court of competent jurisdiction pursuant to Section 9.15 hereof; <I>provided</I>, <I>further</I>, that the foregoing
shall not limit the Indemnitee&rsquo;s right to seek indemnification pursuant to paragraph 9 of Annex A; and</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 45pt"><FONT STYLE="color: #010000">(d)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>the
representations, warranties, covenants, agreements and obligations of the Indemnitor, and the Indemnitee&rsquo;s right to indemnification
with respect thereto, shall not be affected or deemed waived by reason of any investigation made by or on behalf of the Indemnitee
(including by any of its agents or representatives) or by reason of the fact that the Indemnitee (or any of its agents or representatives)
knew or should have known that any such representation, warranty, covenant, agreement or obligation is, was or might be inaccurate
or by reason of the Indemnitee&rsquo;s waiver of any condition set forth <B>Article VII</B>.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt 4.5pt; text-align: justify; text-indent: 0.5in">Section 9.4&#9;<U>Governing
Law</U>. This Agreement shall be governed by, and construed in accordance with, the laws of the State of New York, without regard
to principles of conflict of laws thereunder.</P>


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<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 49.5pt">Section 9.5&#9;<U>Arbitration</U>.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 49.5pt"><FONT STYLE="color: #010000">(a)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>Any
dispute, controversy, difference or claim arising out of or relating to this letter agreement, including the existence, validity,
interpretation, performance, breach or termination thereof or any dispute regarding non-contractual obligations arising out of
or relating to it shall be referred to and finally resolved by arbitration administered by the Hong Kong International Arbitration
Centre (&ldquo;<FONT STYLE="font-weight: normal"><U>HKIAC</U></FONT>&rdquo;) under the HKIAC Administered Arbitration Rules in
force when the Notice of Arbitration is submitted.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 49.5pt"><FONT STYLE="color: #010000">(b)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>The
seat of arbitration shall be Hong Kong.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 49.5pt"><FONT STYLE="color: #010000">(c)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>The
number of arbitrators shall be three. The arbitrators shall be appointed in accordance with the HKIAC rules. The arbitration proceedings
shall be conducted in English.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 49.5pt"><FONT STYLE="color: #010000">(d)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>It
shall not be incompatible with this arbitration agreement for any party to seek interim or conservatory relief from courts of competent
jurisdiction before the constitution of the arbitral tribunal.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt 4.5pt; text-align: justify; text-indent: 0.5in">Section 9.6&#9;<U>Counterparts</U>.
This Agreement may be executed in two or more identical counterparts, all of which shall be considered one and the same agreement
and shall become effective when counterparts have been signed by each party and delivered to the other parties. A facsimile or
&ldquo;PDF&rdquo; signature shall be considered due execution and shall be binding upon the signatory thereto with the same force
and effect as if the signature were an original. The parties irrevocably and unreservedly agree that this Agreement may be executed
by way of electronic signatures and the parties agree that this Agreement, or any part thereof, shall not be challenged or denied
any legal effect, validity and/or enforceability solely on the ground that it is in the form of an electronic record.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt 4.5pt; text-align: justify; text-indent: 0.5in">Section 9.7&#9;<U>Severability</U>.
If any provision of this Agreement is found to be invalid or unenforceable, then such provision shall be construed, to the extent
feasible, so as to render the provision enforceable and to provide for the consummation of the transactions contemplated hereby
on substantially the same terms as originally set forth herein, and if no feasible interpretation would save such provision, it
shall be severed from the remainder of this Agreement, which shall remain in full force and effect unless the severed provision
is essential to the rights or benefits intended by the parties. In such event, the parties shall use commercially reasonable efforts
to negotiate, in good faith, a substitute, valid and enforceable provision or agreement, which most nearly effects the parties&rsquo;
intent in entering into this Agreement.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt 4.5pt; text-align: justify; text-indent: 0.5in">Section 9.8&#9;<U>Entire
Agreement</U>. This Agreement and the other Transaction Documents, together with all the schedules and exhibits hereto and thereto
and the certificates and other written instruments delivered in connection therewith from time to time on and following the date
hereof, constitute and contain the entire agreement and understanding of the parties with respect to the subject matter hereof
and thereof and supersedes any and all prior negotiations, correspondence, agreements, understandings, duties or obligations between
the parties respecting the subject matter hereof and thereof.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt 4.5pt; text-align: justify; text-indent: 0.5in">Section 9.9&#9;<U>Notices</U>.
Except as may be otherwise provided herein, any notices, consents, waivers or other communications required or permitted to be
given under the terms of this Agreement must be in writing and will be deemed to have been delivered: (a) upon receipt,</P>


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    <DIV STYLE="page-break-before: always; margin-top: 6pt; margin-bottom: 6pt"><P STYLE="margin: 0pt">&nbsp;</P></DIV>
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<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt 4.5pt; text-align: justify">when delivered personally; (b)
upon receipt, when sent by facsimile (<I>provided</I> confirmation of transmission is mechanically or electronically generated
and kept on file by the sending party); or (c) one (1) Business Day after deposit with an internationally recognized overnight
courier service; or (d) when sent by confirmed electronic mail if sent during normal business hours of the recipient, or if not,
then on the next Business Day, in each case properly addressed to the party to receive the same. The addresses and facsimile numbers
for such communications shall be:</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt">If to the Company:</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt Times New Roman, Times, Serif; margin-top: 6pt; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"></TD><TD STYLE="width: 1in">Address:</TD><TD>Suite 802, West Tower, OmniVision, 88 Shangke Road, Pudong District</TD></TR></TABLE>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 0 1.5in; text-indent: 0in">Shanghai, 201210, People&rsquo;s Republic
of China</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"></TD><TD STYLE="width: 1in">Telephone:</TD><TD>+86 21-6057-8000</TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"></TD><TD STYLE="width: 1in">Email:</TD><TD>jielun.zhu@i-mabbiopharma.com</TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"></TD><TD STYLE="width: 1in">Attention:</TD><TD>Jielun Zhu</TD></TR></TABLE>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 0 1.5in; text-indent: -1in">&nbsp;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 0 1.5in; text-indent: -1in">with a copy (for informational purposes
only) to:</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 0 1.5in; text-indent: -1in">Wilson Sonsini Goodrich &amp; Rosati,
Professional Corporation</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"></TD><TD STYLE="width: 1in">Address:</TD><TD>Unit 2901, 29F, Tower C, Beijing Yintai Centre<BR>
No. 2 Jianguomenwai Avenue, Chaoyang District<BR>
Beijing, 100022, People&rsquo;s Republic of China</TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"></TD><TD STYLE="width: 1in">Email:</TD><TD>douyang@wsgr.com; keli@wsgr.com</TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"></TD><TD STYLE="width: 1in">Telephone:</TD><TD>+86 10-6529-8300</TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 12pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"></TD><TD STYLE="width: 1in">Attention:</TD><TD>Dan Ouyang; Ke Li</TD></TR></TABLE>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt">If to the Purchasers:</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"></TD><TD STYLE="width: 1in">Address:</TD><TD>Suite 2202, 22nd Floor</TD></TR></TABLE>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 0 1.5in; text-indent: 0.3pt">Two International Finance Centre</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 0 1.5in; text-indent: 0.3pt">8 Finance Street, Central, Hong Kong</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"></TD><TD STYLE="width: 1in">Email:</TD><TD>ahornung@hillhousecap.com with a copy to legal@hillhousecap.com</TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"></TD><TD STYLE="width: 1in">Telephone:</TD><TD>+852 2179-1988</TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"></TD><TD STYLE="width: 1in">Attention:</TD><TD>Adam Hornung</TD></TR></TABLE>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 0 1.5in; text-indent: -1in">&nbsp;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 0 1.5in; text-indent: -1in">with a copy (for informational purposes
only) to:</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 0 1.5in; text-indent: -1in">Goodwin Procter (Hong Kong) LLP</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"></TD><TD STYLE="width: 1in">Address:</TD><TD>38th Floor, Edinburgh Tower<BR>
The Landmark<BR>
15 Queen&rsquo;s Road Central<BR>
Hong Kong</TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"></TD><TD STYLE="width: 1in">Email:</TD><TD>YRana@goodwinlaw.com; chipan@goodwinlaw.com</TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"></TD><TD STYLE="width: 1in">Telephone:</TD><TD>+852- 3658-5300</TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 12pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"></TD><TD STYLE="width: 1in">Attention:</TD><TD>Yash Rana; Chi Pan</TD></TR></TABLE>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-indent: 0in">A party may change or supplement the addresses
given above, or designate additional addresses, for purposes of this Section 9.9 by giving the other parties written notice of
the new address in the manner set forth above.</P>


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<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt 4.5pt; text-align: justify; text-indent: 0.5in">Section 9.10&#9;<U>No
Third-Party Beneficiaries</U>. This Agreement shall be binding upon and inure solely to the benefit of, and be enforceable by,
only the parties hereto and their respective successors and permitted assigns and nothing herein, express or implied, is intended
to or shall confer upon any other Person (other than the Indemnitees) any right, benefit or remedy of any nature whatsoever under
or by reason of this Agreement, except that the Placement Agent shall be a third party beneficiary of Articles III and IV of this
Agreement and may rely on each such representation and warranty of the Purchasers and the Company, respectively, made herein or
pursuant to the terms hereof (including the Company Closing Certificate and the Purchaser Closing Certificate) with the same force
and effect as if such representation or warranty were made directly to the Placement Agent.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt 4.5pt; text-align: justify; text-indent: 0.5in">Section 9.11&#9;<U>Successors
and Assigns</U>. The provisions of this Agreement shall inure to the benefit of, and shall be binding upon, the successors and
permitted assigns of the parties hereto. Except as otherwise provided herein, neither this Agreement nor any of the rights, interests,
or obligations hereunder shall be assigned by any party hereto (whether by operation of law or otherwise) without the prior written
consent of the other party; <I>provided</I>, however, that the Purchasers may assign any of its rights, interests, or obligations
hereunder to an Affiliate of the Purchasers without the prior written consent of the Company.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt 4.5pt; text-align: justify; text-indent: 0.5in">Section 9.12&#9;<U>Construction</U>.
Each of the parties has participated in the drafting and negotiation of this Agreement. If an ambiguity or question of intent or
interpretation arises, this Agreement must be construed as if it is drafted by all the parties and no presumption or burden of
proof shall arise favoring or disfavoring any party by virtue of authorship of any of the provisions of this Agreement.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt 4.5pt; text-align: justify; text-indent: 0.5in">Section 9.13&#9;<U>Further
Assurances</U>. Each party shall do and perform, or cause to be done and performed, all such further acts and things, and shall
execute and deliver all such other agreements, certificates, instruments and documents, as any other party may reasonably request
in order to carry out the intent and accomplish the purposes of this Agreement and the consummation of the transactions contemplated
hereby.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt 4.5pt; text-align: justify; text-indent: 0.5in">Section 9.14&#9;<U>Adjustment
of Share Numbers</U>. If there is a subdivision, split, stock dividend, combination, reclassification or similar event with respect
to any of the shares of Company&rsquo;s Ordinary Shares referred to in this Agreement, then, in any such event, the numbers and
types of shares of such Ordinary Shares, as applicable, referred to in this Agreement shall be adjusted to the number and types
of shares of such stock that a holder of such number of shares of such stock would own or be entitled to receive as a result of
such event of such holder had held such number of shares immediately prior to the record date for, or effectiveness of, such event.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt 4.5pt; text-align: justify; text-indent: 0.5in">Section 9.15&#9;<U>Specific
Performance</U>. The parties hereto acknowledge and agree irreparable harm may occur for which money damages would not be an adequate
remedy in the event that any of the provisions of this Agreement were not performed in accordance with their specific terms or
were otherwise breached. It is accordingly agreed that, in addition to any other remedies at law or in equity, the parties to this
Agreement shall be entitled to injunction to prevent breaches of this Agreement and to enforce specifically the terms and provisions
of this Agreement without posting any bond or other undertaking.</P>


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<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt 4.5pt; text-align: justify; text-indent: 0.5in">Section 9.16&#9;<U>Amendment;
Waiver</U>. This Agreement may be amended, modified or supplemented only by a written instrument duly executed by all the parties
hereto. The observance of any provision in this Agreement may be waived (either generally or in a particular instance and either
retroactively or prospectively) only by the written consent of the party against whom such waiver is to be effective. Any amendment
or waiver effected in accordance with this Section 9.16 shall be binding upon the Company and the Purchasers and their respective
assigns. It is agreed that no delay or omission to exercise any right, power or remedy accruing to any party, upon any breach,
default or noncompliance by another party under this Agreement, shall impair any such right, power or remedy, nor shall it be construed
to be a waiver of any such breach, default or noncompliance, or any acquiescence therein, or of or in any similar breach, default
or noncompliance thereafter occurring.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: center">[Signature Page Follows]</P>


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    <DIV STYLE="page-break-before: always; margin-top: 6pt; margin-bottom: 6pt"><P STYLE="margin: 0pt">&nbsp;</P></DIV>
    <!-- Field: /Page -->

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 0.5in"><B>IN WITNESS WHEREOF</B>,
the parties hereto have caused their respective signature page to this Agreement to be duly executed as of the date first written
above.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 0.5in">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><B>I-Mab</B></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 45%; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="width: 6%; padding-right: 5.4pt; padding-left: 5.4pt">By: </TD>
    <TD STYLE="border-bottom: Black 1pt solid; width: 49%; padding-right: 5.4pt; padding-left: 5.4pt">
</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Name:</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Title:</TD></TR>
</TABLE>
<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>


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    <DIV STYLE="page-break-before: always; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%">&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 0.5in"><B>IN WITNESS WHEREOF</B>,
the parties hereto have caused their respective signature page to this Agreement to be duly executed as of the date first written
above.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="padding-right: 5.75pt; padding-left: 5.75pt"><B>GAOLING FUND, L.P.</B></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="padding-right: 5.75pt; padding-left: 5.75pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="padding-right: 5.75pt; padding-left: 5.75pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 45%; padding-right: 5.75pt; padding-left: 5.75pt">&nbsp;</TD>
    <TD STYLE="width: 6%; padding-right: 5.4pt; padding-left: 5.4pt">By: </TD>
    <TD STYLE="border-bottom: Black 1pt solid; width: 49%; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="padding-right: 5.75pt; padding-left: 5.75pt">Name:</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="padding-right: 5.75pt; padding-left: 5.75pt">Title:</TD></TR>
</TABLE>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>


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    <DIV STYLE="page-break-before: always; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%">&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 0.5in"><B>IN WITNESS WHEREOF</B>,
the parties hereto have caused their respective signature page to this Agreement to be duly executed as of the date first written
above.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="padding-right: 5.75pt; padding-left: 5.75pt"><B>YHG INVESTMENT, L.P.</B></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="padding-right: 5.75pt; padding-left: 5.75pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="padding-right: 5.75pt; padding-left: 5.75pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 45%; padding-right: 5.75pt; padding-left: 5.75pt">&nbsp;</TD>
    <TD STYLE="width: 6%; padding-right: 5.4pt; padding-left: 5.4pt">By: </TD>
    <TD STYLE="border-bottom: Black 1pt solid; width: 49%; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="padding-right: 5.75pt; padding-left: 5.75pt">Name:</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="padding-right: 5.75pt; padding-left: 5.75pt">Title:</TD></TR>
</TABLE>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: center">&nbsp;</P>


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    <DIV STYLE="page-break-before: always; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%">&nbsp;</TD></TR></TABLE></DIV>
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<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>Schedule A</B></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>Particulars of Purchasers</B></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top; background-color: #F2F2F2">
    <TD STYLE="border: Black 1pt solid; width: 29%; padding-top: 6pt; padding-bottom: 6pt; text-align: center"><B>Name of Purchaser </B></TD>
    <TD STYLE="border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; width: 34%; padding-top: 6pt; padding-bottom: 6pt; text-align: center"><B>Purchased Shares<SUP>1</SUP></B></TD>
    <TD STYLE="border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; width: 37%; padding-top: 6pt; padding-bottom: 6pt; text-align: center"><B>Warrant Shares<SUP>1 </SUP></B></TD></TR>
<TR>
    <TD COLSPAN="3" STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-top: 6pt; padding-bottom: 6pt"><B><I>Initial Closing </I></B></TD></TR>
<TR>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-top: 6pt; padding-bottom: 6pt; text-align: center">GAOLING FUND, L.P.</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-top: 6pt; padding-bottom: 6pt; text-align: center">*</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-top: 6pt; padding-bottom: 6pt; text-align: center">*</TD></TR>
<TR>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-top: 6pt; padding-bottom: 6pt; text-align: center">YHG INVESTMENT, L.P.</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-top: 6pt; padding-bottom: 6pt; text-align: center">*</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-top: 6pt; padding-bottom: 6pt; text-align: center">*</TD></TR>
<TR>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-top: 6pt; padding-bottom: 6pt; text-align: center"><B>Total</B></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-top: 6pt; padding-bottom: 6pt; text-align: center"><B>5,227,279 Ordinary Shares (Aggerate Purchase Price for Initial Closing: US$75,000,090)</B></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt">
        <P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 6pt 0; text-align: center"><B>958,341 Ordinary Shares</B></P>
        <P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 6pt 0; text-align: center"><B>(Aggerate Exercise Price for Warrants
        in Initial Closing: US$18,750,150) </B></P></TD></TR>
<TR>
    <TD COLSPAN="3" STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-top: 6pt; padding-bottom: 6pt"><B><I>Subsequent Closing </I></B></TD></TR>
<TR>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-top: 6pt; padding-bottom: 6pt; text-align: center">GAOLING FUND, L.P.</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-top: 6pt; padding-bottom: 6pt; text-align: center">*</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-top: 6pt; padding-bottom: 6pt; text-align: center">*</TD></TR>
<TR>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-top: 6pt; padding-bottom: 6pt; text-align: center">YHG INVESTMENT, L.P.</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-top: 6pt; padding-bottom: 6pt; text-align: center">*</TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-top: 6pt; padding-bottom: 6pt; text-align: center">*</TD></TR>
<TR>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-top: 6pt; padding-bottom: 6pt; text-align: center"><B>Total</B></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt">
        <P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 6pt 0; text-align: center"><B>8,712,124 Ordinary Shares</B></P>
        <P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 6pt 0; text-align: center"><B>(Aggerate Purchase Price for Subsequent
        Closing: US$125,000,040)</B></P></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt">
        <P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 6pt 0; text-align: center"><B>1,597,235 Ordinary Shares</B></P>
        <P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 6pt 0; text-align: center"><B>(Aggerate Exercise Price for Warrants
        in Subsequent Closing: US$31,250,250)</B></P></TD></TR>
</TABLE>
<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0"><SUP>1</SUP> As may be adjusted from time to time for stock split,
dividend, combination, reclassification or similar transaction or otherwise pursuant to this Agreement.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0"><B>* </B> The internal split between the Purchasers with respect
to the Purchased Shares and Warrant Shares shall be notified to the Company in writing at least three (3) Business Days prior to
the applicable Closing Date.</P>


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<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>Schedule B</B></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>List of Subsidiaries </B></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: center; text-indent: 0.5in"><B>&nbsp;</B></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: Black 1pt solid; width: 49%; padding-right: 5.75pt; padding-left: 5.75pt; text-align: center">Name of Subsidiary</TD>
    <TD STYLE="border-bottom: Black 1pt solid; width: 51%; padding-right: 5.75pt; padding-left: 5.75pt; text-align: center">Place of Incorporation</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: center">I-Mab Biopharma Hong Kong Limited</TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: center">Hong Kong</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: center">I-Mab Biopharma US Ltd.</TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: center">United States</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: center">I-Mab Bio-tech (Tianjin) Co., Ltd.</TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: center">People&rsquo;s Republic of China</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: center">I-Mab Biopharma Co., Ltd.</TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: center">People&rsquo;s Republic of China</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: center">I-Mab Bio-tech (Hangzhou) Co., Ltd.</TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: center">People&rsquo;s Republic of China</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: center">Chengdu Tasgen Bio-tech Co., Ltd.</TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: center">People&rsquo;s Republic of China</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: center">Shanghai Tianyunjian Bio-tech Co., Ltd.</TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: center">People&rsquo;s Republic of China</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: Black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; text-align: center">Thirdventure Beijing Bio-tech Co., Ltd.</TD>
    <TD STYLE="border-bottom: Black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; text-align: center">People&rsquo;s Republic of China</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: center">&nbsp;</TD></TR>
</TABLE>
<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>


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<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>Schedule C</B></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>Company Bank Account</B></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: center; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 12pt/200% Times New Roman, Times, Serif; margin: 0; text-indent: 1in"><U>Beneficiary Name</U>: I-Mab</P>

<P STYLE="font: 12pt/200% Times New Roman, Times, Serif; margin: 0; text-indent: 1in"><U>Account Number</U>: OSA125907445132701</P>

<P STYLE="font: 12pt/200% Times New Roman, Times, Serif; margin: 0; text-indent: 1in"><U>Bank Name</U>: China Merchants Bank</P>

<P STYLE="font: 12pt/200% Times New Roman, Times, Serif; margin: 0; text-indent: 1in"><U>SWIFT Code</U>: CMBCCNBS008</P>

<P STYLE="font: 12pt/200% Times New Roman, Times, Serif; margin: 0; text-indent: 1in"><U>Bank Address</U>: No. 2016, Shennan Road,
Shenzhen, P.R.C.</P>

<P STYLE="font: 12pt/200% Times New Roman, Times, Serif; margin: 0; text-indent: 1in"><U>ABA Routing Number (USD payments)</U>:
N/A</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>


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    <DIV STYLE="page-break-before: always; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%">&nbsp;</TD></TR></TABLE></DIV>
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<P STYLE="font: bold 12pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: center"><U>Annex A</U></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 12pt 0; text-align: center"><B>Registration Rights</B></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 12pt 0; text-align: justify; text-indent: 0.5in">The Purchasers shall
be entitled to the following rights with respect to the Registrable Securities.</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 12pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 0.5in">1.</TD><TD STYLE="text-align: justify"><U>Mandatory Registration after Initial Closing</U>.</TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 12pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 45pt"></TD><TD STYLE="width: 27pt">(a)</TD><TD STYLE="text-align: justify">The Company agrees to file with the SEC a registration statement to register under and in accordance
with the provisions of the Securities Act, the resale of the Purchasers&rsquo; Registrable Securities on Form F-3 or Form F-1,
which shall be the sole decision of the Company (which shall be filed pursuant to Rule 415 under the Securities Act as a secondary-only
registration statement), if the Company is then eligible for such short form, or any similar or successor short form registration
or, if the Company is not then eligible for such short form registration or would not be able to register for resale all of the
Registrable Securities on Form F-3, on Form F-1 or any similar or successor long form registration (the &ldquo;<U>Registration
Statement</U>&rdquo;). The Company shall use its commercially reasonable efforts to have the Registration Statement declared effective
by the SEC as soon as practicable after the filing thereof, but no later than ninety (90) calendar days after the Initial Closing
Date (the &ldquo;<U>Effectiveness Deadline</U>&rdquo;); <I>provided</I> that the Effectiveness Deadline shall be extended to one
hundred and twenty (120) calendar days after the Initial Closing Date if the Registration Statement is reviewed by, and receives
comments from, the SEC; <I>provided</I>, <I>further</I>, that the Company&rsquo;s obligations to include the Purchasers&rsquo;
Registrable Securities in the Registration Statement are contingent upon the Purchasers&rsquo; furnishing in writing to the Company
such information regarding the Purchasers, the Registrable Securities held by the Purchasers and the intended method of disposition
of the Registrable Securities as shall be reasonably requested by the Company to effect the registration of the Registrable Securities,
and shall execute such documents in connection with such registration as the Company may reasonably request that are customary
of a selling shareholder in similar situations. The Company will provide a draft of the Registration Statement to the Purchasers
for review at least two (2) Business Days in advance of filing the Registration Statement. In no event shall the Purchasers be
identified as a statutory underwriter in the Registration Statement unless requested by the SEC.</TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 12pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 45pt"></TD><TD STYLE="width: 27pt">(b)</TD><TD STYLE="text-align: justify">Notwithstanding the foregoing, if the SEC prevents the Company from including any or all of the
Registrable Securities proposed to be registered under the Registration Statement due to limitations on the use of Rule 415 under
the Securities Act for the resale of the Registrable Securities by the Purchasers or otherwise, such Registration Statement shall
register for resale such number of Purchasers which is equal to the maximum number of the Securities as is permitted by the SEC.
In such event, the number of the Registrable Securities to be registered for each selling shareholder named in the Registration
Statement shall be reduced pro rata among all such selling shareholders; <I>provided</I> that the Securities of the Investors and
Holders (as defined in the Fourth Amended and Restated</TD></TR></TABLE>


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    <DIV STYLE="margin-top: 6pt; margin-bottom: 6pt"><P STYLE="margin: 0pt">&nbsp;</P><P STYLE="margin: 0pt"></P><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font-size: 10pt; border-collapse: collapse; width: 100%"><TR STYLE="vertical-align: top; text-align: left"><TD STYLE="vertical-align: top; width: 100%; text-align: center">Annex A to Subscription Agreement</TD></TR></TABLE><P STYLE="margin: 0pt"></P></DIV>
    <DIV STYLE="page-break-before: always; margin-top: 6pt; margin-bottom: 6pt"><P STYLE="margin: 0pt">&nbsp;</P></DIV>
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<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt 1in; text-align: justify">Shareholders Agreement of the Company
dated July 25, 2019 (the &ldquo;<U>Shareholders Agreement</U>&rdquo;) shall all be included in such Registration Statement pursuant
to the terms of the Shareholders Agreement before the inclusion of the Registrable Securities to be registered for the Purchasers.</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 12pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 45pt"></TD><TD STYLE="width: 27pt">(c)</TD><TD STYLE="text-align: justify">The Company will use its commercially reasonable efforts to maintain the continuous effectiveness
of the Registration Statement for a period of ninety (90) days after the effectiveness of the Registration Statement or such shorter
period upon which the Purchasers have notified the Company that their Registrable Securities have actually been sold. The period
of time during which the Company is required hereunder to keep a Registration Statement effective is referred to herein as the
&ldquo;<U>Registration Period</U>.&rdquo; The Company will use its commercially reasonable efforts to (i) cause the removal of
all restrictive legends from any Purchased Shares being sold under the Registration Statement as soon as practicable, but no later
than ten (10) Business Days after the effectiveness thereof, subject to the requirements under applicable securities Laws and/or
from the Company&rsquo;s depositary bank administering the relevant ADS program, or pursuant to Rule 144 under the Securities Act
(&ldquo;<U>Rule 144</U>&rdquo;) at the time of sale of such Registrable Securities and, at the request of any Purchaser, cause
the removal of all restrictive legends from any Registrable Securities held by such Purchaser that may be sold by such Purchaser
without restriction under Rule 144, including without limitation, any volume and manner of sale restrictions, and (ii) cause its
legal counsel to deliver the necessary legal opinions, if any, to the transfer agent in connection with the instruction under subclause
(i) upon the receipt of such supporting documentation, if any, as reasonably requested by such counsel. For the avoidance of doubt,
nothing in the immediately preceding sentence shall relieve the Company of any obligations under Section 5.7 of this Agreement.
The Company will use commercially reasonable efforts to file all reports, and provide all customary and reasonable cooperation,
reasonably necessary to enable the Purchasers to resell Registrable Securities pursuant to the Registration Statement or Rule 144,
as applicable, qualify the Registrable Securities for listing on the applicable stock exchange and update or amend the Registration
Statement as necessary to include Registrable Securities.</TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 12pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 45pt"></TD><TD STYLE="width: 27pt">(d)</TD><TD STYLE="text-align: justify">For purposes of this Annex, &ldquo;<U>Registrable
Securities</U>&rdquo; shall mean the Purchased Shares and the Warrant Shares (if any) (whether held in the form of ADSs or Ordinary
Shares), including any ADSs or Ordinary Shares issuable with respect to the Purchased Securities by way of a dividend, share split
or other distribution, or in connection with a combination of shares, recapitalization, merger, consolidation or other reorganization;
<I>provided</I> that such Registrable Securities shall not be considered to be Registrable Securities (i) at any time that (but
only during such time as) such security is eligible to be sold pursuant to Rule 144 without condition or restriction, including
without any limitation as to volume of sales, and without the Purchasers complying with any method of sale requirements or notice
requirements under Rule 144, or (ii) if such Securities have been sold pursuant to an effective registration statement or in compliance
with Rule 144 or other exemptions from registration; </TD></TR></TABLE>


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    <DIV STYLE="page-break-before: always; margin-top: 6pt; margin-bottom: 6pt"><P STYLE="margin: 0pt">&nbsp;</P></DIV>
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<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt 1in; text-align: justify"><I>provided</I>, <I>further</I>,
that paragraph 1(a) (Mandatory Registration after Initial Closing) of this Annex A shall be available to the Purchasers with respect
to the Initial Purchased Shares only.</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 12pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 0.5in">2.</TD><TD STYLE="text-align: justify"><U>Mandatory Registration after Subsequent Closing</U>. With respect to all or any part of the
Registrable Securities then held by the Purchasers which have not been previously registered pursuant to an effective registration
statement, the Company agrees to file a prospectus supplement or a registration statement to register the resale of such Registrable
Securities on a Form F-3 or Form F-3ASR registration statement under the Securities Act (or, if Form F-3 or Form F-3ASR is not
then available to the Company, on Form F-1 or such other form of registration statement as is then available to effect a registration
for resale of such Registrable Securities), and use commercially reasonable efforts to have such registration statement declared
effective by the SEC as soon as practicable after the filing thereof, but no later than (a) the ten (10) Business Days after the
later of (i) the first date when the Company becomes eligible to use registration statement on F-3, or (ii) the expiration of the
Lock-Up Period with respect to the Subsequent Closing (or any earlier termination or waiver by the Company thereof) (whichever
later, the &ldquo;<U>F-3 Trigger Date</U>&rdquo;), or forty-five (45) calendar days after the F-3 Trigger Date if the registration
statement is reviewed by, and receives comments from, the SEC. The Company shall maintain the effectiveness of such registration
statement for a period ending on the date the Registrable Securities registered thereon have ceased to be Registrable Securities.
The Company shall use its commercially reasonable efforts to maintain its eligibility to utilize a registration on Form F-3 or
Form F-3ASR.</TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 12pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 0.5in">3.</TD><TD STYLE="text-align: justify"><U>Demand Registration</U>. Upon written request by the Purchasers at any time after the Company
has effected two Registration Statements pursuant to paragraphs 1 and 2 of this Annex A, with respect to all or any part of the
Registrable Securities then held by the Purchasers which have not been previously registered pursuant to an effective registration
statement, and in no event later than the forty-five (45) calendar days following the delivery of such request, the Company shall
file a prospectus supplement or a registration statement to register (the &ldquo;<U>Demand Registration</U>&rdquo;) the resale
of such Registrable Securities on a Form F-3 or Form F-3ASR registration statement under the Securities Act (or, if Form F-3 or
Form F-3ASR is not then available to the Company, on Form F-1 or such other form of registration statement as is then available
to effect a registration for resale of such Registrable Securities), and use commercially reasonable efforts to have such registration
statement declared effective, if the Company is not eligible to use Form F-3ASR, and maintain the effectiveness of such registration
statement for a period ending on the date the Registrable Securities registered thereon have ceased to be Registrable Securities.
The Company shall use its commercially reasonable efforts to maintain its eligibility to utilize a registration on Form F-3 or
Form F-3ASR. The right contained in this paragraph 3 may be exercised jointly by the Purchasers only with respect to two (2) qualifying
registrations.</TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 12pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 0.5in">4.</TD><TD STYLE="text-align: justify"><U>Underwritten Offering. </U></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 12pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 45pt"></TD><TD STYLE="width: 27pt">(a)</TD><TD STYLE="text-align: justify">If the registration under the any of the registration statement referenced in paragraph 1, 2 or
3 of this Annex A is for a registered public offering that is to be made by an underwriting, the Company shall so advise the Purchasers
as part of the Registration Rights Notice. In that </TD></TR></TABLE>


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    <DIV STYLE="margin-top: 6pt; margin-bottom: 6pt"><P STYLE="margin: 0pt">&nbsp;</P><P STYLE="margin: 0pt"></P><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font-size: 10pt; border-collapse: collapse; width: 100%"><TR STYLE="vertical-align: top; text-align: left"><TD STYLE="vertical-align: top; width: 100%; text-align: center">Annex A to Subscription Agreement</TD></TR></TABLE><P STYLE="margin: 0pt"></P></DIV>
    <DIV STYLE="page-break-before: always; margin-top: 6pt; margin-bottom: 6pt"><P STYLE="margin: 0pt">&nbsp;</P></DIV>
    <!-- Field: /Page -->

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt 1in; text-align: justify">event, the right of the
Purchasers to such registration shall be conditioned upon its participation in such underwriting and the inclusion of its
Registrable Securities in the underwriting to the extent provided herein. If the Purchasers propose to sell any of its
Registrable Securities through such underwriting, it shall (together with the Company and any other shareholders of the
Company selling their <FONT STYLE="font-family: Times New Roman, Times, Serif">Securities through such underwriting) enter
into an underwriting agreement in customary form with the underwriter(s) selected for such underwriting by the Company or
such other selling shareholders, as applicable. Notwithstanding any other provision of this paragraph 4(b), if the
underwriter(s) or the Company determines that marketing factors require a limitation on the number of Securities to be
underwritten, the underwriter(s) may exclude some or all Registrable Securities from such registration and underwriting. The
Company shall so advise the Purchasers, unless the Purchasers have failed to include their Registrable Securities through
such underwriting or has indicated to the Company its decision not to do so, and the Company shall indicate to the Purchasers
the number of the Registrable Securities that may be included in the registration and underwriting, if any. The number of
Securities to be included in such registration and underwriting shall be allocated <U>first</U> to the Company and each of
the Holders (as defined in the Shareholders Agreement) in accordance with the terms of the Shareholders Agreement; <U>second</U>,
to the investors in the Private Placements (including the Purchasers) demanding registration of, or requesting inclusion of,
their Registrable Securities in such registration statement on a pro rata basis based on the total number of Registrable
Securities then held by each such investor; and <U>third</U>, to other holders of Registrable Securities, if any. For the
avoidance of doubt, the right of the underwriter(s) to exclude shares (including the Registrable Securities) from the
registration and underwriting as described above shall be restricted so that all shares that are held by any employee,
officer or director of the Company or any Subsidiary thereof shall first be excluded from such registration and underwriting
before any Registrable Securities are so excluded unless otherwise approved by the holders of the majority of Registrable
Securities (as defined in the investors&rsquo; respective subscription agreement in connection with the Private
Placements).</FONT></P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 12pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 45pt"></TD><TD STYLE="width: 27pt">(b)</TD><TD STYLE="text-align: justify">No Registrable Securities excluded from the underwriting by reason of the underwriter&rsquo;s marketing
limitation shall be included in such registration. If the Purchasers disapprove of the terms of any such underwriting, such Purchasers
may elect to withdraw its Registrable Securities therefrom by delivering a written notice to the Company at least ten (10) Business
Days prior to the effective date of the registration statement.</TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 12pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 0.5in">5.</TD><TD STYLE="text-align: justify"><U>Suspension of Registration</U>. Notwithstanding anything to the contrary contained herein, the
Company may, upon written notice, suspend the use of any registration statement, including any prospectus that forms a part of
a registration statement, if the Company (i) determines in good faith that it would be required to make disclosure of material
information in the registration statement that the Company has a bona fide business purpose for preserving as confidential; (ii)
the Company determines it must amend or supplement the registration statement or the related prospectus so that such registration
statement or prospectus shall not include an untrue statement of a material fact or omit to state a </TD></TR></TABLE>


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    <DIV STYLE="margin-top: 6pt; margin-bottom: 6pt"><P STYLE="margin: 0pt">&nbsp;</P><P STYLE="margin: 0pt"></P><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font-size: 10pt; border-collapse: collapse; width: 100%"><TR STYLE="vertical-align: top; text-align: left"><TD STYLE="vertical-align: top; width: 100%; text-align: center">Annex A to Subscription Agreement</TD></TR></TABLE><P STYLE="margin: 0pt"></P></DIV>
    <DIV STYLE="page-break-before: always; margin-top: 6pt; margin-bottom: 6pt"><P STYLE="margin: 0pt">&nbsp;</P></DIV>
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<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt 0.5in; text-align: justify">material fact required to be
stated therein or necessary to make the statements therein, in the case of the prospectus in light of the circumstances under
which they were made, not misleading; or (iii) the Company has experienced or is experiencing some other material non-public
event, including a pending transaction involving the Company, the disclosure of which at such time, in the good faith
judgment of the Company, would adversely affect the Company; <I>provided</I>, however, in no event shall sales of Registrable
Securities be suspended pursuant to the registration statement for a period that exceeds thirty (30) consecutive trading days
(any such suspension contemplated by this paragraph 5, an &ldquo;<U>Allowed Delay</U>&rdquo;); <I>provided</I>, <I>further</I>,
that the Company may not utilize this right more than once in any twelve (12) month period and may not register any other
Securities during any Allowed Delay. Upon disclosure of such information or the termination of the condition described above,
the Company shall provide prompt notice to the Purchasers and shall promptly terminate any suspension of sales it has put
into effect and shall take such other reasonable actions to permit registered sales of Registrable Securities as contemplated
hereby. The Purchasers agree that, upon receipt of any notice from the Company of an Allowed Delay, the Purchasers will
immediately discontinue disposition of Registrable Securities pursuant to any registration statement covering such
Registrable Securities, until the Purchasers are advised by the Company that such dispositions may again be made.</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 12pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 0.5in">6.</TD><TD STYLE="text-align: justify"><U>Expenses</U>. All expenses incurred in connection with registrations, filings or qualifications
pursuant to this Annex A, including all registration, filing and qualification fees (including &ldquo;blue sky&rdquo; fees and
expenses); printers&rsquo; and accounting fees; fees and disbursements of counsel for the Company shall be borne and paid by the
Company, except that any (i) fees and disbursements, to the extent more than $30,000, of counsel for the Purchasers acting as selling
shareholder counsel (for the avoidance of doubt, the first $30,000 of such fees and disbursements shall be borne and paid by the
Company), (ii) discounts, commissions, fees of underwriters, selling brokers, dealer managers or similar securities industry professionals
applicable to the sale of any of the Registrable Securities, and (iii) fees payable pursuant to the deposit agreement shall be
borne by the Purchasers (other than fifty percent (50%) of the conversion fees set forth in Section 5.11 of this Agreement).</TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt Calibri, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 12pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 0.5in">7.</TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif"><U>Rule 144</U>. With a view to making
available to the Purchasers the benefits of Rule 144, the Company covenants that it will use commercially reasonable efforts to
(i) file in a timely manner all reports and other documents required, if any, to be filed by it under the Securities Act and the
Exchange Act and the rules and regulations adopted thereunder and (ii) make available information necessary to comply with Rule
144 with respect to resales of the Registrable Securities under the Securities Act, at all times, to the extent required from time
to time to enable the Purchasers to resell the Registrable Securities without registration under the Securities Act within the
limitation of the exemptions provided by Rule 144 (if available with respect to resales of the Registrable Securities), as such
rule may be amended from time to time.</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt Calibri, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 12pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 0.5in">8.</TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif"><U>Purchasers&rsquo; Covenants</U>. The
Purchasers shall furnish in writing to the Company such information regarding itself, the Registrable Securities and the intended
method of disposition of the Registrable Securities, as shall be reasonably requested to effect the registration of such Registrable
Securities and shall execute such documents in customary form in connection with such registration as the Company </FONT></TD></TR></TABLE>


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    <DIV STYLE="margin-top: 6pt; margin-bottom: 6pt"><P STYLE="margin: 0pt">&nbsp;</P><P STYLE="margin: 0pt"></P><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font-size: 10pt; border-collapse: collapse; width: 100%"><TR STYLE="vertical-align: top; text-align: left"><TD STYLE="vertical-align: top; width: 100%; text-align: center">Annex A to Subscription Agreement</TD></TR></TABLE><P STYLE="margin: 0pt"></P></DIV>
    <DIV STYLE="page-break-before: always; margin-top: 6pt; margin-bottom: 6pt"><P STYLE="margin: 0pt">&nbsp;</P></DIV>
    <!-- Field: /Page -->

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0 0 12pt 0.5in; text-align: justify">may reasonably
request. Each Purchaser, by its acceptance
of the Registrable Securities, agrees to cooperate with the Company as reasonably requested by the Company in connection with the
preparation and filing of a registration statement and/or prospectus hereunder, <I>provided</I> that the Purchasers shall be given
the opportunity to review and comment on such registration statement and/or prospectus.</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt Calibri, Helvetica, Sans-Serif; margin-top: 0; margin-bottom: 12pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 0.5in">9.</TD><TD STYLE="text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif"><U>Indemnification. </U></FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt Times New Roman, Times, Serif; margin-top: 12pt; margin-bottom: 12pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"></TD><TD STYLE="width: 0.5in">(a)</TD><TD STYLE="text-align: justify">To the extent permitted by Law, the Company will indemnify and hold harmless each Purchaser and
its officers, directors, partners, members, employees and agents, successors and assigns, and each other Person, if any, who controls
such Purchaser (within the meaning of the Securities Act), against any losses, claims, damages or liabilities, joint or several,
to which they may become subject under the Securities Act or otherwise, insofar as such losses, claims, damages or liabilities
(or actions in respect thereof) that arise out of or are based upon any untrue statement or alleged untrue statement of any material
fact or omission or alleged omission of any material fact required to be stated therein or necessary to make the statements therein,
in the case of the prospectus in light of the circumstances under which they were made, not misleading, contained in any registration
statement, any preliminary prospectus or final prospectus, or any amendment or supplement thereof; provided, however, that the
Company will not be liable in any such case if and to the extent that any such loss, claim, damage or liability arises out of or
is based upon (i) an untrue statement or alleged untrue statement or omission or alleged omission so made in conformity with information
furnished by such Purchaser or any such controlling Person in writing specifically for use in such registration statement or prospectus
and which information has not been corrected in a subsequent writing prior to or concurrently with the sale of the applicable Securities,
(ii) the use by such Purchaser of an outdated or defective prospectus after the Company has notified such Purchaser in writing
that such prospectus is outdated or defective, or (iii) such Purchaser&rsquo;s failure to send or give a copy of the prospectus
or supplement (as then amended or supplemented), if required (and not exempted) to the Persons asserting an untrue statement or
omission or alleged untrue statement or omission at or prior to the written confirmation of the sale of the applicable Registrable
Securities.</TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt Times New Roman, Times, Serif; margin-top: 12pt; margin-bottom: 12pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"></TD><TD STYLE="width: 0.5in">(b)</TD><TD STYLE="text-align: justify">To the extent permitted by Law, each Purchaser will indemnify and hold harmless the Company, its
directors, officers, employees, shareholders and each Person who controls the Company (within the meaning of the Securities Act)
against any losses, claims, damages, liabilities and expense (including reasonable attorney fees) that arise out of or are based
upon any untrue statement or alleged untrue statement of any material fact or omission or alleged omission of any material fact
required to be stated therein or necessary to make the statements therein, in the case of the prospectus in light of the circumstances
under which they were made, not misleading, contained in any registration statement, any preliminary prospectus or final prospectus,
or any amendment or supplement thereof, to the extent, but only to the extent, that such untrue statement or omission is contained
in any information regarding such </TD></TR></TABLE>


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<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0pt 0 12pt 1in; text-align: justify">Purchaser and furnished in
writing by such Purchaser to the Company specifically for inclusion in such registration statement or prospectus or amendment
or supplement thereto, and which information has not been corrected in a subsequent writing prior to or concurrently with the
sale of the applicable Securities, <I>provided</I>, <I>however</I>, that the indemnity agreement contained in this paragraph
9(b) shall not apply to amounts paid in settlement of any such loss, claim, damage, liability or action if such settlement is
effected without the consent of such Purchaser, which consent shall not be unreasonably withheld; and <I>provided</I>, <I>further</I>,
that in no event shall any indemnity under this paragraph 9(b) exceed the net proceeds received by such Purchaser in such
registered offering.</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt Times New Roman, Times, Serif; margin-top: 12pt; margin-bottom: 12pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"></TD><TD STYLE="width: 0.5in">(c)</TD><TD STYLE="text-align: justify">Any Person entitled to indemnification hereunder shall (i) give prompt notice to the indemnifying
party of any claim with respect to which it seeks indemnification and (ii) permit such indemnifying party to assume the defense
of such claim with counsel reasonably satisfactory to the indemnified party; <I>provided</I>, that any Person entitled to indemnification
hereunder shall have the right to employ separate counsel and to participate in the defense of such claim, but the fees and expenses
of such counsel shall be at the expense of such Person unless (A) the indemnifying party has agreed to pay such fees or expenses,
(B) the indemnifying party shall have failed to assume the defense of such claim and employ counsel reasonably satisfactory to
such Person or (C) in the reasonable judgment of any such Person, based upon written advice of its counsel, a conflict of interest
exists between such Person and the indemnifying party with respect to such claims (in which case, if the Person notifies the indemnifying
party in writing that such Person elects to employ separate counsel at the expense of the indemnifying party, the indemnifying
party shall not have the right to assume the defense of such claim on behalf of such Person); and <I>provided</I>, <I>further</I>
that the failure of any indemnified party to give notice as provided herein shall not relieve the indemnifying party of its obligations
hereunder, except to the extent that such failure to give notice shall materially adversely affect the indemnifying party in the
defense of any such claim or litigation. It is understood that the indemnifying party shall not, in connection with any proceeding
in the same jurisdiction, be liable for fees or expenses of more than one separate firm of attorneys at any time for all such indemnified
parties. No indemnifying party will, except with the consent of the indemnified party, which shall not be unreasonably withheld
or conditioned, consent to entry of any judgment or enter into any settlement that does not include as an unconditional term thereof
the giving by the claimant or plaintiff to such indemnified party of a release from all liability in respect of such claim or litigation.</TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt Times New Roman, Times, Serif; margin-top: 12pt; margin-bottom: 12pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"></TD><TD STYLE="width: 0.5in">(d)</TD><TD STYLE="text-align: justify">If for any reason the indemnification provided for in the preceding paragraphs 9(a) and (b) is
unavailable to an indemnified party or insufficient to hold it harmless, other than as expressly specified therein, then the indemnifying
party shall contribute to the amount paid or payable by the indemnified party as a result of such loss, claim, damage or liability
in such proportion as is appropriate to reflect the relative fault of the indemnified party and the indemnifying party, as well
as any other relevant equitable considerations. No Person guilty of fraudulent misrepresentation within the meaning of Section
11(f) of the Securities Act shall be entitled to </TD></TR></TABLE>


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    <DIV STYLE="page-break-before: always; margin-top: 6pt; margin-bottom: 6pt"><P STYLE="margin: 0pt">&nbsp;</P></DIV>
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<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0pt 0 12pt 1in; text-align: justify">contribution from any Person
not guilty of such fraudulent misrepresentation. In no event shall the contribution obligation of a holder of Registrable
Securities be greater in amount than the dollar amount of the proceeds received by it upon the sale of the Registrable
Securities giving rise to such contribution obligation.</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt Times New Roman, Times, Serif; margin-top: 12pt; margin-bottom: 12pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.75in"></TD><TD STYLE="width: 0.25in">(c)</TD><TD STYLE="text-align: justify"><U>Ranking of Registration Rights</U>. Each Purchaser acknowledges that any registration rights
granted to, or created for the benefit of, such Purchaser under this Annex A shall not be senior to, or on a parity with, those
granted to the Holders (as defined therein) under the Shareholders Agreement.</TD></TR></TABLE>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; text-align: center; margin-top: 0; margin-bottom: 0">Annex A to Subscription Agreement</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0"></P>

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</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99
<SEQUENCE>3
<FILENAME>exhibit_3.htm
<DESCRIPTION>EXHIBIT 3
<TEXT>
<HTML>
<HEAD>
<TITLE></TITLE>
</HEAD>
<BODY>


<P STYLE="font: bold 11pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: center">EXHIBIT 3</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0; text-align: center"><FONT STYLE="text-transform: uppercase"><B>Form
of warrant</B></FONT></P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify"><FONT STYLE="font-weight: normal">THIS
WARRANT AND THE UNDERLYING SECURITIES HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE &#8220;<U>ACT</U>&#8221;),
OR UNDER THE SECURITIES LAWS OF ANY STATE. THESE SECURITIES MAY NOT BE OFFERED, SOLD OR OTHERWISE TRANSFERRED EXCEPT AS PERMITTED
UNDER THE ACT AND APPLICABLE STATE SECURITIES LAWS IN ACCORDANCE WITH APPLICABLE REGISTRATION REQUIREMENTS OR AN EXEMPTION THEREFROM.
THE ISSUER OF THESE SECURITIES MAY REQUIRE AN OPINION OF COUNSEL REASONABLY SATISFACTORY TO THE ISSUER THAT SUCH OFFER, SALE <FONT STYLE="text-transform: uppercase">or
</FONT>TRANSFER OTHERWISE COMPLIES WITH THE ACT AND ANY APPLICABLE STATE SECURITIES LAWS. <FONT STYLE="text-transform: uppercase">This
warrant must be surrendered to the coMPANY or its transfer agent as a condition precedent to the sale or transfer of any interest
in any of the securities represented hereby.</FONT></FONT></P>

<P STYLE="font: bold 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: center">WARRANT TO PURCHASE ORDINARY SHARES</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0; text-align: center; text-indent: 0in"><B>of</B></P>

<P STYLE="font: bold 11pt Times New Roman, Times, Serif; margin: 0; text-align: center">I-MAB<BR>
<BR>
</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0; text-align: center"><FONT STYLE="font-weight: normal">Dated as of
[&#9679;], 2020</FONT></P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0; text-align: center"><FONT STYLE="font-weight: normal">&nbsp;</FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 50%; padding-top: 12pt; padding-right: 5.4pt; padding-left: 5.4pt; font: 12pt Times New Roman, Times, Serif; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="width: 50%; padding-right: 5.4pt; padding-left: 5.4pt">
        <P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: right; text-indent: 0in">Warrant to Purchase</P>
        <P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0; text-align: right; text-indent: 0in">[&#9679;] Ordinary Shares (subject
        to adjustment)</P></TD></TR>
</TABLE>
<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 0.5in">THIS CERTIFIES THAT,
for value received, [GAOLING FUND, L.P.]/[YHG INVESTMENT, L.P.], or its registered assigns (the &#8220;<U>Holder</U>&#8221;), is
entitled, subject to the provisions and upon the terms and conditions set forth herein, to purchase from I-Mab, a company incorporated
under the laws of the Cayman Islands (the &#8220;<U>Company</U>&#8221;), ordinary shares of the Company, par value of US$0.0001
per share (the &#8220;<U>Shares</U>&#8221;), in the amounts, at such times and at the price per share set forth in Section&nbsp;1.
The term &#8220;<U>Warrant</U>&#8221; as used herein shall include this Warrant and any warrants delivered in substitution or exchange
therefor as provided herein. This Warrant is issued in connection with the transactions described in the subscription agreement,
dated as of [&#9679;], 2020, by and among the Company and the Holder described therein (the &#8220;<U>Purchase Agreement</U>&#8221;).
Capitalized terms used and not otherwise defined herein shall have the meanings set forth in the Purchase Agreement. The Holder
is subject to certain restrictions set forth in the Transaction Documents.</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 0.5in">The following is
a statement of the rights of the Holder and the conditions to which this Warrant is subject, and to which Holder, by acceptance
of this Warrant, agrees:</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 0.5in">1.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<U>Number
and Price of Shares; Exercise Period</U>.</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 1in">(a)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<U>Number
of Shares</U>. The Holder shall have the right to purchase [&#9679;] Shares, as may be adjusted pursuant hereto prior to the expiration
of this Warrant.</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 1in">(b)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<U>Exercise
Price</U>. The exercise price per Share shall be the amount equal to (x) US$45.00 divided by (y) 2.3, subject to adjustment pursuant
hereto (the &#8220;<U>Exercise Price</U>&#8221;).</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 1in">(c)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<U>Exercise
Period</U>. This Warrant shall be exercisable, in whole, after [the Initial Closing Date]/[the Subsequent Closing Date] and prior
to the one-year anniversary of such [Initial Closing Date]/[Subsequent Closing Date]. This Warrant shall be and become void and
of no value and shall be terminated and no longer outstanding if and to the extent not exercised prior to the end of such one-year
anniversary.</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin-right: 0; margin-bottom: 0; margin-left: 0; text-align: justify"></P>

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<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 0.5in">2.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<U>Exercise
of the Warrant</U>.</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 1in">(a)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<U>Exercise</U>.
The purchase rights represented by this Warrant may be exercised at the election of the Holder, in whole, in accordance with Section&nbsp;1,
by:</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 1.75in">(i)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;the
tender to the Company at its principal office (or such other office or agency as the Company may designate) of a notice of exercise
in the form of Exhibit&nbsp;A (the &#8220;<U>Notice of Exercise</U>&#8221;), duly completed and executed by or on behalf of the
Holder, together with the surrender of this Warrant (or a reasonable affidavit of loss and indemnity undertaking in case of the
loss or destruction of this Warrant); and</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 1.75in">(ii)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;the
payment to the Company of an amount equal to (x)&nbsp;the Exercise Price multiplied by (y)&nbsp;the number of Shares being purchased,
by wire transfer or certified, cashier&#8217;s or other check acceptable to the Company and payable to the order of the Company.</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 1in">(b)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<U>Share
Certificates</U>. The rights under this Warrant shall be deemed to have been exercised and the Shares issuable upon such exercise
shall be deemed to have been issued immediately prior to the close of business on the date this Warrant is exercised in accordance
with its terms, and the person entitled to receive the Shares issuable upon such exercise shall be treated for all purposes as
the holder of record of such Shares as of the close of business on such date. As promptly as reasonably practicable on or after
such date, the Company shall issue and deliver to the person or persons entitled to receive the same (i) a certificate or certificates
(or a notice of issuance of uncertificated shares, if applicable) for that number of Shares issuable upon such exercise and (ii)
a scan copy of an extract of the register of members of the Company reflecting the Holder&#8217;s ownership of the Shares, duly
certified by the registered agent or a director of the Company.</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 1in">(c)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<U>No
Fractional Shares or Scrip</U>. No fractional shares or scrip representing fractional Shares shall be issued upon the exercise
of the rights under this Warrant. In lieu of such fractional Share to which the Holder would otherwise be entitled, the Company
shall make a cash payment equal to the Exercise Price multiplied by such fraction.</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0; text-align: justify; text-indent: 1in">(d)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<U>Reservation
of Shares</U><I>.</I> The Company agrees, during the term the rights under this Warrant are exercisable, to reserve, free from
preemptive rights or any other contingent purchase rights of persons other than the Holder, and keep available from its authorized
and unissued ordinary shares for the purpose of effecting the exercise of this Warrant such number of Shares as shall be sufficient
to effect the exercise of the rights under this Warrant. The Company represents and warrants that all Shares that may be issued
upon the exercise of this Warrant will, when issued in accordance with the terms hereof, be validly issued, fully paid and nonassessable.</P>

<P STYLE="text-indent: 1in; font: 11pt Times New Roman, Times, Serif; margin: 0pt 0 0; text-align: justify">(e)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<U>No
Setoff</U>. To the extent permitted by law, the Company&#8217;s obligations to issue and deliver Shares in accordance with and
subject to the terms hereof are absolute and unconditional, irrespective of any action or inaction by the Holder to enforce the
same, any waiver or consent with respect to any provision hereof, the recovery of any judgment against any person or entity or
any action to enforce the same, or any setoff, counterclaim, recoupment, limitation or termination, or any breach or alleged breach
by the Holder or any other person or entity of any obligation to the Company or any violation or alleged violation of law by the
Holder or any other person or entity, and irrespective of any other circumstance that might otherwise limit such obligation of
the Company to the Holder in connection with the issuance of Shares.</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0pt 0 0; text-align: justify; text-indent: 1in"></P>


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<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify">Nothing herein shall limit the Holder&#8217;s
right to pursue any other remedies available to it hereunder, at law or in equity including, without limitation, a decree of specific
performance and/or injunctive relief with respect to the Company&#8217;s failure to timely deliver certificates representing Shares
upon exercise of the Warrant as required pursuant to the terms hereof.</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 0.5in">3.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<U>Replacement
of the Warrant</U>. Subject to the receipt of evidence reasonably satisfactory to the Company of the loss, theft, destruction or
mutilation of this Warrant and, in the case of loss, theft or destruction, on delivery of an indemnity agreement reasonably satisfactory
in form and substance to the Company or, in the case of mutilation, on surrender and cancellation of this Warrant, the Company
at the expense of the Holder shall execute and deliver, in lieu of this Warrant, a new warrant of like tenor and amount.</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 0.5in">4.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<U>Transfer
of the Warrant</U>.</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 1in">(a)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<U>Transferability
of the Warrant</U>. Subject to the provisions of this Warrant with respect to compliance with the Securities Act and limitations
on assignments and transfers, including without limitation compliance with the restrictions on transfer set forth in Section&nbsp;5,
this Warrant and all rights hereunder are transferable, in whole, upon the prior written consent of the Company (if and to the
extent required under Section 5(a)) and surrender of this Warrant at the principal office of the Company or its designated agent,
together with (i) a written assignment (the &#8220;<U>Assignment Form</U>&#8221;) of this Warrant substantially in the form attached
hereto as&nbsp;<U>Exhibit B</U>&nbsp;duly executed by the Holder or its agent or attorney delivery in the same manner as a negotiable
instrument transferable by endorsement and delivery and (ii) any other documents or certificates reasonably requested by the Company
to effect such transfer.&nbsp;</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 1in">(b)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<U>Exchange
of the Warrant upon a Transfer</U>. On surrender of this Warrant (and a properly endorsed Assignment Form and other documents set
forth in Section 5) for exchange, subject to the provisions of this Warrant with respect to compliance with the Securities Act
and limitations on assignments and transfers, the Company shall issue to or on the order of the Holder a new warrant of like tenor,
in the name of the Holder or as the Holder (on payment by the Holder of any applicable transfer taxes) may direct, for the number
of Shares issuable upon exercise hereof. This Warrant (and the Shares issuable upon exercise hereof) must be surrendered to the
Company or its warrant or transfer agent, as applicable, as a condition precedent to the sale or other transfer of any interest
in any of the securities represented hereby.</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 1in">(c)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<U>Taxes</U>.
In no event shall the Company be required to pay any tax which may be payable in respect of any transfer involved in the issue
and delivery of any certificate, or a book entry, in a name other than that of the Holder, and the Company shall not be required
to issue or deliver any such certificate, or make such book entry, unless and until the person or persons requesting the issue
or entry thereof shall have paid to the Company the amount of such tax or shall have established to the reasonable satisfaction
of the Company that such tax has been paid or is not payable.</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 0.5in">5.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<U>Restrictions
on Transfer of the Warrant and Shares; Compliance with Securities Laws</U>. By acceptance of this Warrant, the Holder agrees to
comply with the following:</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 1in">(a)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<U>Restrictions
on Transfers</U>. This Warrant may not be transferred or assigned in whole or in part without the Company&#8217;s prior written
consent, and any attempt by Holder to transfer or assign any rights, duties or obligations that arise under this Warrant without
such permission shall be void; <I>provided</I>, <I>however</I>, that the Holder may assign the Warrant to an Affiliate (as defined
in the Purchase Agreement) of the Holder without the prior written consent of the Company. Any transfer of this Warrant or the
Shares issuable upon exercise hereof (the &#8220;<U>Securities</U>&#8221;) must be in compliance with all applicable federal and
state securities laws. The Holder agrees not to make any sale, assignment, transfer or other disposition of all or any portion
of the Securities, or any beneficial interest therein, unless and until the transferee thereof has agreed in writing for the benefit
of the Company to take and hold such Securities subject to, and to be bound by, the terms and conditions set forth in this Warrant
to the same extent as if the transferee were the original Holder hereunder, and</P>


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<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0pt 0 0; text-align: justify"></P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 1.75in">(i)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;If
there is then in effect a registration statement under the Securities Act covering such proposed disposition, such disposition
is made in accordance with such registration statement, or</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 1.75in">(ii)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(A)&nbsp;such
Holder shall have given prior written notice to the Company of such Holder&#8217;s intention to make such disposition and shall
have furnished the Company with a detailed description of the manner and circumstances of the proposed disposition, (B)&nbsp;the
transferee shall have confirmed to the satisfaction of the Company in writing, substantially in the form of <U>Exhibit&nbsp;A-1</U>,
that the Securities are being acquired (i)&nbsp;solely for the transferee&#8217;s own account and not as a nominee for any other
party, (ii)&nbsp;for investment and (iii)&nbsp;not with a view toward distribution or resale, and shall have confirmed such other
matters related thereto as may be reasonably requested by the Company, and (C)&nbsp; if requested by the Company, such Holder shall
have furnished the Company, at the Holder&#8217;s expense, with (i) an opinion of counsel, reasonably satisfactory to the Company,
to the effect that such disposition will not require registration of such Securities under the Securities Act or (ii)&nbsp;a &#8220;no
action&#8221; letter from the SEC to the effect that the transfer of such Securities without registration will not result in a
recommendation by the staff of the SEC that action be taken with respect thereto, whereupon such Holder shall be entitled to transfer
such Securities in accordance with the terms of the notice delivered by the Holder to the Company.</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 1.5in">Notwithstanding
anything to the contrary herein, if the Securities are sold, assigned, transferred or otherwise disposed of (i) pursuant to an
effective registration statement under the Securities Act, or (ii) in a public sale in accordance with Rule 144 under the Securities
Act, none of the transfer restrictions herein shall apply.</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 1in">(b)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<U>Investment
Representation Statement</U>. Unless the rights under this Warrant are exercised pursuant to an effective registration statement
under the Securities Act that includes the Shares with respect to which the Warrant was exercised, it shall be a condition to any
exercise of the rights under this Warrant that the Holder shall have confirmed to the reasonable satisfaction of the Company in
writing, substantially in the form of <U>Exhibit&nbsp;A-1</U>, that the Shares so purchased are being acquired solely for the Holder&#8217;s
own account and not as a nominee for any other party, for investment and not with a view toward distribution or resale and that
the Holder shall have confirmed such other matters related thereto as may be reasonably requested by the Company.</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 1in">(c)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<U>Securities
Law Legend.</U> Each certificate, instrument or book entry representing the Securities shall (unless otherwise permitted by the
provisions of this Warrant) be notated with a legend substantially similar to the following (in addition to any legend required
by state securities laws):</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0 0.5in; text-align: justify">THE SECURITIES REPRESENTED HEREBY
HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE &#8220;<U>ACT</U>&#8221;), OR UNDER THE SECURITIES LAWS
OF CERTAIN STATES. THESE SECURITIES MAY NOT BE OFFERED, SOLD OR OTHERWISE TRANSFERRED EXCEPT AS PERMITTED UNDER THE ACT AND APPLICABLE
STATE SECURITIES LAWS IN ACCORDANCE WITH APPLICABLE REGISTRATION REQUIREMENTS OR AN EXEMPTION THEREFROM. THE ISSUER OF THESE SECURITIES
MAY REQUIRE AN OPINION OF COUNSEL REASONABLY SATISFACTORY TO THE ISSUER THAT SUCH OFFER, SALE OR TRANSFER OTHERWISE COMPLIES WITH
THE ACT AND ANY APPLICABLE STATE SECURITIES LAWS. <FONT STYLE="text-transform: uppercase">This certificate
must be surrendered to the coMPANY or its transfer agent as a condition precedent to the sale, TRANSFER or of any interest in
any of the securities represented hereby.</FONT></P>


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<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 1in">(d)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<U>Instructions
Regarding Transfer Restrictions</U>. The Holder consents to the Company making a notation on its records and giving instructions
to any transfer agent in order to implement the restrictions on transfer established in this Section&nbsp;5.</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 1in">(e)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<U>Removal
of Legend</U>. The legend referring to federal and state securities laws identified in Section&nbsp;5(c) notated on any certificate
evidencing the Shares and the share transfer instructions and record notations with respect to such Securities shall be removed,
and the Company shall issue a certificate without such legend to the holder of such Securities (to the extent the Securities are
certificated), if (i)&nbsp;such Securities are registered under the Securities Act, or (ii)&nbsp;such holder provides the Company
with an opinion of counsel reasonably acceptable to the Company to the effect that a sale or transfer of such Securities may be
made without registration, qualification or legend.</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 1in">(f)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<U>No
Transfers to Bad Actors; Notice of Bad Actor Status</U>. Except in the case of a public sale pursuant to an effective registration
statement or in accordance with Rule 144 under the Securities Act, the Holder agrees not to sell, assign, transfer, pledge or otherwise
dispose of any Securities, or any beneficial interest therein, to any person (other than the Company) unless and until the proposed
transferee confirms to the reasonable satisfaction of the Company that neither the proposed transferee nor any of its directors,
executive officers, other officers that may serve as a director or officer of any company in which it invests, general partners
or managing members nor any person that would be deemed a beneficial owner of those Securities (in accordance with Rule&nbsp;506(d)
of the Securities Act) is subject to any of the &#8220;bad actor&#8221; disqualifications described in Rule&nbsp;506(d)(1)(i) through
(viii) under the Securities Act, except as set forth in Rule&nbsp;506(d)(2)(ii) or (iii) or (d)(3) under the Securities Act and
disclosed, reasonably in advance of the transfer, in writing in reasonable detail to the Company. As long as it remains a holder
of the Warrant, the Holder will promptly notify the Company in writing if the Holder becomes subject to any of the &#8220;bad actor&#8221;
disqualifications described in Rule&nbsp;506(d)(1)(i) through (viii) under the Securities Act.</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 1in">(g)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<U>Exceptions.</U>
Notwithstanding anything to the contrary herein, the Holder and its Affiliate may directly or indirectly, place any charge, mortgage,
lien, pledge, restrictions, security interest or other encumbrance in respect of the Warrant and the Shares issuable upon exercise
hereof in connection with the Holder&#8217;s (or any of its Affiliates&#8217;) margin loans, collars, derivative transactions or
other such downside protection transactions to be entered into on or after the date hereof by the Holder (or any of its Affiliates),
and the beneficiary of such transaction (the &#8220;<U>Beneficiary</U>&#8221;) will be entitled to foreclose or enforce following
default by the Holder or its Affiliates, including sell (or instruct its agent to sell) the Securities, provided that such Beneficiary
shall be bound by the Holder&#8217;s obligations in Section 5 of this Warrant to the same extent as if such Beneficiary were an
original Holder.</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 0.5in">6.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<U>Adjustments</U>.
Subject to the expiration of this Warrant, the number and kind of Shares purchasable hereunder and the Exercise Price therefor
are subject to adjustment from time to time, as follows:</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 1in">(a)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<U>Business
Combination</U>. In case of the approval of any shareholders of the Company shall be required in connection with any reclassification
of the Shares, any consolidation or merger to which the Company is a party, any sale or transfer of all or substantially all of
the assets of the Company, or any compulsory share exchange whereby the Shares are converted into other securities, cash or property,
the Holder&#8217;s right to receive the Shares issuable upon exercise hereof shall be converted into the right to exercise this
Warrant to acquire the number of shares </P>


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<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify">or other securities or property
(including cash) which the Shares issuable (at the time of such reclassification, consolidation, merger, sale or transfer of
all or substantially all of the assets, or share exchange) upon exercise hereof immediately prior to such reclassification,
consolidation, merger, sale or transfer of all or substantially all of the assets, or share exchange would have been entitled
to receive upon consummation of such reclassification, consolidation, merger, sale or transfer of all or substantially all of
the assets, or share exchange; and in any such case, if necessary, the provisions set forth herein with respect to the rights
and interests thereafter of the Holder shall be appropriately adjusted so as to be applicable, as nearly as may reasonably
be, to the Holder&#8217;s right to exercise this Warrant in exchange for any shares or other securities or property pursuant
to this Section 6(a). If and to the extent that the holders of Shares have the right to elect the kind or amount of
consideration receivable upon consummation of such reclassification, consolidation, merger, sale or transfer of all or
substantially all of the assets, or share exchange, then the consideration that the Holder shall be entitled to receive upon
exercise of this Warrant shall be specified by the Holder, which specification shall be made by the Holder by the later of
(i) ten (10) Business Days after the Holder is provided with a final version of all material information concerning such
choice as is provided to the holders of Shares, and (ii) the last time at which the holders of Shares are permitted to make
their specifications known to the Company; <I>provided</I>, <I>however</I>, that if the Holder fails to make any
specification within such time period, the Holder&#8217;s choice shall be deemed to be whatever choice is made by a plurality
of all holders of Shares that are not affiliated with the Company (or, in the case of a consolidation, merger, sale or
similar transaction, any other party thereto) and affirmatively make an election (or of all such holders if none of them
makes an election). From and after any such reclassification, consolidation, merger, sale or transfer of all or substantially
all of the assets, or share exchange, all references to &#8220;Shares&#8221; herein shall be deemed to refer to the
consideration to which the Holder is entitled pursuant to this Section 6(a).</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 1in">(b)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<U>Reclassification
of Shares</U>. If the Shares issuable upon exercise hereof are changed into the same or a different number of securities of any
other class or classes by reclassification, capital reorganization or otherwise (other than as otherwise provided for herein) (a
&#8220;<U>Reclassification</U>&#8221;), then, in any such event, in lieu of the number of Shares which the Holder would otherwise
have been entitled to receive, the Holder shall have the right thereafter to exercise this Warrant for a number of shares of such
other class or classes of stock that a holder of the number of securities deliverable upon exercise of this Warrant immediately
before that change would have been entitled to receive in such Reclassification, all subject to further adjustment as provided
herein with respect to such other shares.</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 1in">(c)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<U>Subdivisions
and Combinations</U>. In the event that the outstanding Shares are subdivided (by stock split, by payment of a stock dividend or
otherwise) into a greater number of shares of such securities, the number of Shares issuable upon exercise hereof immediately prior
to such subdivision shall, concurrently with the effectiveness of such subdivision, be proportionately increased, and the Exercise
Price shall be proportionately decreased, and in the event that the outstanding Shares are combined (by reclassification or otherwise)
into a lesser number of shares of such securities, the number of Shares issuable upon exercise hereof immediately prior to such
combination shall, concurrently with the effectiveness of such combination, be proportionately decreased, and the Exercise Price
shall be proportionately increased.</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 1in">(d)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<U>Notice
of Adjustments</U>. Upon any adjustment in accordance with this Section&nbsp;6, the Company shall give notice thereof to the Holder,
which notice shall state the event giving rise to the adjustment, the Exercise Price as adjusted and the number of securities or
other property purchasable upon the exercise of the rights under this Warrant, setting forth in reasonable detail the method of
calculation of each. The Company shall, upon the written request of any Holder, furnish or cause to be furnished to such Holder
a certificate setting forth (i)&nbsp;such adjustments, (ii)&nbsp;the Exercise Price at the time in effect and (iii)&nbsp;the number
of securities and the amount, if any, of other property that at the time would be received upon exercise of this Warrant.</P>


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<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 1in">7.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<U>No
Rights as a Shareholder</U>. Nothing contained herein shall entitle the Holder to any rights as a shareholder of the Company or
to be deemed the holder of any securities that may at any time be issuable upon exercise hereof for any purpose nor shall anything
contained herein be construed to confer upon the Holder, as such, any right to vote for the election of directors or upon any matter
submitted to shareholders at any meeting thereof, or to give or withhold consent to any corporate action (whether upon any recapitalization,
issuance of stock, reclassification of stock, change of par value or change of stock to no par value, consolidation, merger, conveyance
or otherwise) or to receive notice of meetings, or to receive dividends or subscription rights or any other rights of a shareholder
of the Company until the rights under the Warrant shall have been exercised and the Shares purchasable upon exercise of the rights
hereunder shall have become deliverable as provided herein.</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 0.5in">8.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<U>Miscellaneous</U>.</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 1in">(a)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<U>Amendments</U>.
Except as expressly provided herein, neither this Warrant nor any term hereof may be amended, waived, discharged or terminated
other than by a written instrument referencing this Warrant and signed by the Company and the Holder. Any amendment, waiver, discharge
or termination effected in accordance with this Section&nbsp;8(a) shall be binding upon each Holder, each future holder of such
Warrant and the Company.</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 1in">(b)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<U>Waivers</U><I>.</I>
No waiver of any single breach or default shall be deemed a waiver of any other breach or default theretofore or thereafter occurring.</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 1in">(c)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<U>Notices</U><I>.</I>
The notice provision under Section 9.9 in the Purchase Agreement shall apply <I>mutatis mutandis</I> to this Warrant.</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 1in">(d)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<U>Governing
Law; Arbitration; Specific Performance</U>. The governing law, arbitration and specific performance provision under Sections 9.4,
9.5 and 9.15 in the Purchase Agreement shall apply <I>mutatis mutandis</I> to this Warrant.</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 1in">(e)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<U>Titles
and Subtitles</U>. The titles and subtitles used in this Warrant are used for convenience only and are not to be considered in
construing or interpreting this Warrant. All references in this Warrant to sections, paragraphs and exhibits shall, unless otherwise
provided, refer to sections and paragraphs hereof and exhibits attached hereto.</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 1in">(f)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<U>Severability</U><I>.</I>
If any provision of this Warrant becomes or is declared by a court of competent jurisdiction to be illegal, unenforceable or void,
portions of such provision, or such provision in its entirety, to the extent necessary, shall be severed from this Warrant, and
such illegal, unenforceable or void provision shall be replaced with a valid and enforceable provision that will achieve, to the
extent possible, the same economic, business and other purposes of the illegal, unenforceable or void provision. The balance of
this Warrant shall be enforceable in accordance with its terms.</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 1in">(g)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<U>Saturdays,
Sundays and Holidays</U>. If the last or appointed day for the taking of any action or the expiration of any right required or
granted herein shall not be a Business Day, then, such action may be taken or such right may be exercised on the next succeeding
Business Day.</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 1in">(h)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<U>Rights
and Obligations Survive Exercise of the Warrant</U>. Except as otherwise provided herein, the rights and obligations of the Company
and the Holder under this Warrant shall survive exercise of this Warrant.</P>


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<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 1in">(i)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<U>Entire
Agreement</U>. Except as expressly set forth herein, this Warrant (including the exhibits attached hereto) constitutes the entire
agreement and understanding of the Company and the Holder with respect to the subject matter hereof and supersede all prior agreements
and understandings relating to the subject matter hereof.</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 1in">(j)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<U>Further
Assurances</U>. Each party shall do and perform, or cause to be done and performed, all such further acts and things, and shall
execute and deliver all such other agreements, certificates, instruments and documents, as any other party may reasonably request
in order to carry out the intent and accomplish the purposes of this Warrant and the consummation of the transactions contemplated
hereby.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: center; text-indent: 0in">(<I>signature page
follows</I>)</P>


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    <DIV STYLE="page-break-before: always; margin-top: 6pt; margin-bottom: 6pt"><P STYLE="margin: 0pt">&nbsp;</P></DIV>
    <!-- Field: /Page -->

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 0.5in">The Company and
the Holder sign this Warrant as of the date stated on the first page.</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0pt 0 0; text-align: justify; text-indent: 0.5in">&nbsp;</P>


<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0pt 0 0; text-align: left">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; font: 11pt Times New Roman, Times, Serif; width: 100%">
<TR STYLE="vertical-align: top; text-align: left">
    <TD>&nbsp;</TD>
    <TD COLSPAN="2"><FONT STYLE="font-size: 11pt"><B>I-Mab</B></FONT></TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD>&nbsp;</TD>
    <TD COLSPAN="2">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD>&nbsp;</TD>
    <TD COLSPAN="2">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD STYLE="width: 39%">&nbsp;</TD>
    <TD STYLE="width: 7%">By:</TD>
    <TD STYLE="border-bottom: Black 1pt solid; width: 48%">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD>&nbsp;</TD>
    <TD>Name:</TD>
    <TD STYLE="border-bottom: Black 1pt solid">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD>&nbsp;</TD>
    <TD>Title:</TD>
    <TD STYLE="border-bottom: Black 1pt solid">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD>&nbsp;</TD>
    <TD>Address:</TD>
    <TD>&nbsp;Suite 802, West Tower, OmniVision, 88 Shangke Road, &nbsp;Pudong District,
Shanghai, 201210, the PRC</TD></TR>
</TABLE>

<P STYLE="margin: 0">&nbsp;</P>


<P STYLE="margin: 0">&nbsp;&nbsp;</P>


<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0pt 0 0; text-align: left"></P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 12pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD COLSPAN="3" STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-size: 11pt"><B>AGREED AND ACKNOWLEDGED,</B></FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD COLSPAN="3" STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD COLSPAN="4" STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-size: 11pt; text-transform: uppercase"><B>[GAOLING FUND, L.P.]/[YHG INVESTMENT, L.P.]</B></FONT></TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD COLSPAN="3" STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD COLSPAN="3" STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-size: 11pt">By:</FONT></TD>
    <TD COLSPAN="2" STYLE="border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD COLSPAN="3" STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD COLSPAN="2" STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-size: 11pt">Name:</FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD COLSPAN="3" STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD COLSPAN="3" STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD COLSPAN="2" STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-size: 11pt">Title:</FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD COLSPAN="3" STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD COLSPAN="3" STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD COLSPAN="3" STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-size: 11pt">Address:&nbsp;&nbsp;[<I>insert address</I>]</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD COLSPAN="3" STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD COLSPAN="3" STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR>
    <TD STYLE="width: 4%">&nbsp;</TD>
    <TD STYLE="width: 1%">&nbsp;</TD>
    <TD STYLE="width: 39%">&nbsp;</TD>
    <TD STYLE="width: 47%">&nbsp;</TD>
    <TD STYLE="width: 9%">&nbsp;</TD></TR>
</TABLE>
<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0; text-indent: 0in">&nbsp;</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0; text-indent: 0in">&nbsp;</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0; text-indent: 0in">&nbsp;</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0; text-indent: 0in">&nbsp;</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0; text-indent: 0in">&nbsp;</P>


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    <DIV STYLE="page-break-before: always; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%">&nbsp;</TD></TR></TABLE></DIV>
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<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: center; text-indent: 0in"><B>EXHIBIT A</B></P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: center; text-indent: 0in"><B>NOTICE OF EXERCISE</B></P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-indent: 0in">TO:&#9;I-Mab (the &#8220;<U>Company</U>&#8221;)</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-indent: 0in">Attention:&#9;Chief Executive Officer</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Times New Roman, Times, Serif; margin-top: 12pt; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 0.5in">(1)</TD><TD STYLE="text-align: justify">Exercise. The undersigned elects to purchase the following pursuant to the terms of the attached
warrant:</TD></TR></TABLE>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin-top: 0pt; margin-right: 0; margin-bottom: 0; text-align: justify; text-indent: 0in">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 12pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 8%; padding-top: 12pt; padding-right: 5.4pt; padding-left: 5.4pt; text-align: justify; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="width: 20%; padding-top: 12pt; padding-right: 5.4pt; padding-left: 5.4pt; text-align: justify; text-indent: 0in"><FONT STYLE="font-size: 11pt">Number of shares:</FONT></TD>
    <TD STYLE="width: 72%; border-bottom: Black 1pt solid; padding-top: 12pt; padding-right: 5.4pt; padding-left: 5.4pt; text-align: justify; text-indent: 0in"><FONT STYLE="font-size: 11pt">&nbsp;</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 12pt; padding-right: 5.4pt; padding-left: 5.4pt; text-align: justify; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="padding-top: 12pt; padding-right: 5.4pt; padding-left: 5.4pt; text-align: justify; text-indent: 0in"><FONT STYLE="font-size: 11pt">Type of security:</FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; padding-top: 12pt; padding-right: 5.4pt; padding-left: 5.4pt; text-align: justify; text-indent: 0in"><FONT STYLE="font-size: 11pt">&nbsp;</FONT></TD></TR>
</TABLE>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin-top: 0pt; margin-right: 0; margin-bottom: 0; text-align: justify; text-indent: 0in"></P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Times New Roman, Times, Serif; margin-top: 12pt; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 0.5in">(2)</TD><TD STYLE="text-align: justify">Share. Please make a book entry and, if the shares are certificated, issue a certificate or certificates
representing the shares in the name of:</TD></TR></TABLE>



<P STYLE="font: 12pt Times New Roman, Times, Serif; margin-top: 0pt; margin-right: 0; margin-bottom: 0; text-align: justify">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 12pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 4%; padding-top: 12pt; padding-right: 5.4pt; padding-left: 5.4pt; text-align: justify; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="width: 4%; padding-top: 12pt; padding-right: 5.4pt; padding-left: 5.4pt; text-align: justify; text-indent: 0in">&nbsp;&#9744;</TD>
    <TD STYLE="width: 21%; padding-top: 12pt; padding-right: 5.4pt; padding-left: 5.4pt; text-align: justify; text-indent: 0in"><FONT STYLE="font-size: 11pt">The undersigned</FONT></TD>
    <TD STYLE="width: 71%; padding-top: 12pt; padding-right: 5.4pt; padding-left: 5.4pt; text-align: justify; text-indent: 0in">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 12pt; padding-right: 5.4pt; padding-left: 5.4pt; text-align: justify; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="padding-top: 12pt; padding-right: 5.4pt; padding-left: 5.4pt; text-align: justify; text-indent: 0in">&nbsp;&#9744;</TD>
    <TD STYLE="padding-top: 12pt; padding-right: 5.4pt; padding-left: 5.4pt; text-align: justify; text-indent: 0in"><FONT STYLE="font-size: 11pt">Other&mdash;Name:</FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; padding-top: 12pt; padding-right: 5.4pt; padding-left: 5.4pt; text-align: justify; text-indent: 0in"><FONT STYLE="font-size: 11pt">&nbsp;</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 12pt; padding-right: 5.4pt; padding-left: 5.4pt; text-align: justify; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="padding-top: 12pt; padding-right: 5.4pt; padding-left: 5.4pt; text-align: justify; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="padding-top: 12pt; padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 0in; text-align: justify"><FONT STYLE="font-size: 11pt">Address:</FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; padding-top: 12pt; padding-right: 5.4pt; padding-left: 5.4pt; text-align: justify; text-indent: 0in"><FONT STYLE="font-size: 11pt">&nbsp;</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 12pt; padding-right: 5.4pt; padding-left: 5.4pt; text-align: justify; text-indent: 0in"><FONT STYLE="font-size: 11pt">&nbsp;</FONT></TD>
    <TD STYLE="padding-top: 12pt; padding-right: 5.4pt; padding-left: 5.4pt; text-align: justify; text-indent: 0in"><FONT STYLE="font-size: 11pt">&nbsp;</FONT></TD>
    <TD STYLE="padding-top: 12pt; padding-right: 5.4pt; padding-left: 5.4pt; text-align: justify; text-indent: 0in"><FONT STYLE="font-size: 11pt">&nbsp;</FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; padding-top: 12pt; padding-right: 5.4pt; padding-left: 5.4pt; text-align: justify; text-indent: 0in"><FONT STYLE="font-size: 11pt">&nbsp;</FONT></TD></TR>
</TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Times New Roman, Times, Serif; margin-top: 12pt; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 0.5in">(3)</TD><TD STYLE="text-align: justify">Investment Intent. The undersigned represents and warrants that the aforesaid shares are being
acquired for investment for its own account, not as a nominee or agent, and not with a view to, or for resale in connection with,
the distribution thereof, and that the undersigned has no present intention of selling, granting any participation in, or otherwise
distributing the shares, nor does it have any contract, undertaking, agreement or arrangement for the same, and all representations
and warranties of the undersigned set forth in Exhibit A-1 of the Warrant are true and correct as of the date hereof.</TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Times New Roman, Times, Serif; margin-top: 12pt; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 0.5in">(4)</TD><TD STYLE="text-align: justify">Investment Representation Statement. The undersigned has executed, and delivers herewith, an Investment
Representation Statement in a form substantially similar to the form attached to the warrant as Exhibit&nbsp;A-1.</TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Times New Roman, Times, Serif; margin-top: 12pt; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 0.5in">(5)</TD><TD STYLE="text-align: justify">Consent to Receipt of Electronic Notice. The undersigned consents to the delivery of any notice
to shareholders given by the Company by (i)&nbsp;facsimile telecommunication to the facsimile number provided below (or to any
other facsimile number for the undersigned in the Company&#8217;s records), (ii)&nbsp;electronic mail to the electronic mail address
provided below (or to any other electronic mail address for the undersigned in the Company&#8217;s records), (iii)&nbsp;posting
on an electronic network together with separate notice to the undersigned of such specific posting or (iv)&nbsp;any other form
of electronic transmission directed to the undersigned. This consent may be revoked by the undersigned by written notice to the
Company.</TD></TR></TABLE>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0pt 0 0; text-indent: 0.5in">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 43%; padding-right: 5.75pt; padding-left: 5.75pt; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="width: 57%; border-top: Black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; text-align: center; text-indent: 0in"><FONT STYLE="font-size: 10pt">(<I>Print name of the warrant holder</I>)</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-indent: 0in">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; text-indent: 0in">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: center; text-indent: 0in"><FONT STYLE="font-size: 10pt">(<I>Signature</I>)</FONT></TD></TR>
</TABLE>

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    <DIV STYLE="page-break-before: always; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%">&nbsp;</TD></TR></TABLE></DIV>
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<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-indent: 0.5in"></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 43%; padding-right: 5.75pt; padding-left: 5.75pt; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="width: 57%; padding-right: 5.75pt; padding-left: 5.75pt; text-indent: 0in">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; text-indent: 0in">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: center; text-indent: 0in"><FONT STYLE="font-size: 10pt">(<I>Name and title of signatory, if applicable</I>)</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-indent: 0in">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; text-indent: 0in">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: center; text-indent: 0in"><FONT STYLE="font-size: 10pt">(<I>Date</I>)</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-indent: 0in">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; text-indent: 0in">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: center; text-indent: 0in"><FONT STYLE="font-size: 10pt">(<I>Fax number</I>)</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: center; text-indent: 0in">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; text-indent: 0in">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: center; text-indent: 0in"><FONT STYLE="font-size: 10pt">(<I>Email address</I>)</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-indent: 0in">&nbsp;</TD></TR>
</TABLE>
<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0; text-align: center; text-indent: 0in">&nbsp;</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0; text-align: center; text-indent: 0in">&nbsp;</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0; text-align: center; text-indent: 0in"><B><I>&nbsp;</I></B></P>


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<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: center; text-indent: 0in"><B>EXHIBIT&nbsp;A-l</B></P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0; text-align: center; text-indent: 0in">&nbsp;</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0; text-align: center; text-indent: 0in"><B>INVESTMENT REPRESENTATION
STATEMENT</B></P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0; text-align: center; text-indent: 0in">&nbsp;</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0 1.5in; text-align: justify; text-indent: -1.5in">INVESTOR:&#9;&nbsp;[NAME
OF HOLDER]&#9;</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 0in">COMPANY:&#9;&nbsp;I-MAB</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Times New Roman, Times, Serif; margin-top: 12pt; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 1.5in">SECURITIES:</TD><TD STYLE="text-align: justify">THE WARRANT ISSUED ON [&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ] (THE &#8220;<U>WARRANT</U>&#8221;) AND THE SECURITIES ISSUED OR ISSUABLE
UPON EXERCISE THEREOF</TD></TR></TABLE>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify">DATE:&#9;<U>&#9;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</U></P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 0.5in">In connection with
the purchase or acquisition of the above-listed Securities, the undersigned Investor represents and warrants to, and agrees with,
the Company as follows:</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 0.5in">1.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<U>No
Registration</U>. The Investor understands that the Securities have not been, and will not be, registered under the Securities
Act of 1933, as amended (the &#8220;<U>Securities Act</U>&#8221;), by reason of a specific exemption from the registration provisions
of the Securities Act, the availability of which depends upon, among other things, the <I>bona fide</I> nature of the investment
intent and the accuracy of the Investor&#8217;s representations as expressed herein or otherwise made pursuant hereto.</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 0.5in">2.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<U>Investment
Intent</U>. The Investor is acquiring the Securities for its own account and not on behalf of any U.S. person (as defined under
Regulation S promulgated under the Securities Act) and not with a view towards, or for resale in connection with, the public sale
or distribution thereof, except pursuant to sales registered or exempted under the Securities Act. The Investor does not presently
have any agreement or understanding, directly or indirectly, with any person to distribute any of the Securities. The Investor
is not a broker-dealer registered with the Securities and Exchange Commission under the Securities Exchange Act of 1934, as amended,
or an entity engaged in a business that would require it to be so registered as a broker-dealer.</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 0.5in">3.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<U>Investment
Experience</U>. The Investor has sufficient knowledge and experience in financial and business matters so as to be capable of evaluating
the merits and risks of its investment in the Securities. The Investor is capable of bearing the economic risks of such investment,
including a complete loss of its investment.</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 0.5in">4.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<U>Speculative
Nature of Investment</U>. The Investor understands and acknowledges that its investment in the Company is highly speculative and
involves substantial risks. The Investor can bear the economic risk of its investment and is able, without impairing its financial
condition, to hold the Securities for an indefinite period of time and to suffer a complete loss of its investment.</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 0.5in">5.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<U>Access
to Data</U>. The Investor has had an opportunity to ask questions of officers of the Company, which questions were answered to
its satisfaction. The Investor believes that it has received all the information that it considers necessary or appropriate for
deciding whether to acquire the Securities. The Investor understands that any such discussions, as well as any information issued
by the Company, were intended to describe certain aspects of the Company&#8217;s business and prospects, but were not necessarily
a thorough or exhaustive description. </P>


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<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0pt 0 0; text-align: justify">The Investor acknowledges that any
business plans prepared by the Company have been, and continue to be, subject to change and that any projections included in
such business plans or otherwise are necessarily speculative in nature, and it can be expected that some or all of the
assumptions underlying the projections will not materialize or will vary significantly from actual results.</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 0.5in">6.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<U>Status
of Investor</U>. The Investor (i) an &#8220;accredited investor&#8221; within the meaning of Rule 501 of Regulation D under the
Securities Act and/or (ii) not a &#8220;U.S. person&#8221; within the meaning of Regulation S under the Securities Act..</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 0.5in">7.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<U>Solicitation</U>.
The Investor was not identified or contacted through the marketing of the transactions contemplated by this Warrant. The Investor
did not contact the Company as a result of any general solicitation or directed selling efforts (within the meaning of Regulation
S promulgated under the Securities Act).</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 0.5in"><FONT STYLE="font-size: 11pt">8.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<U>Offshore
Transaction</U>. The Investor has been advised and acknowledges that in issuing the Securities to the Investor pursuant to this
Warrant, the Company is relying upon the exemption from registration provided by Regulation S under the Securities Act. The Investor
is acquiring the Securities in an offshore transaction executed in reliance upon the exemption from registration provided by Regulation
S under the Securities Act. [The Investor acknowledges that at the time of the exercise of the Warrant, the Investor was outside
of the United States.]</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 8pt"><SUP>1</SUP></FONT></P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 0.5in">9.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<U>Reliance
on Exemptions; Restricted Securities</U>. The Investor understands that the Securities are being offered and sold to it in reliance
on specific exemptions from the registration requirements of United States federal and state securities laws and that the Company
is relying in part upon the truth and accuracy of, and the Investor&#8217;s compliance with this Investment Representation Statement
in order to determine the availability of such exemptions and the eligibility of the Investor to acquire the Securities. The Investors
acknowledges that the Securities are &#8220;restricted securities&#8221; that have not been, and will have not been, registered
under the Securities Act or any applicable state securities law. The Investor further acknowledges that, absent an effective registration
under the Securities Act, the Securities may only be offered, sold or otherwise transferred (i) to the Company, (ii) outside the
United States in accordance with Rule 904 of Regulation S under the Securities Act or (iii) pursuant to an exemption from registration
under the Securities Act.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 0.5in"><FONT STYLE="font-size: 11pt">10.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<U>[No
Public Market</U>. The Holder understands and acknowledges that no public market now exists for the Warrant issued by the Company
and that the Company has made no assurances that a public market will ever exist for the Company&#8217;s Warrant.]</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 8pt"><SUP>2</SUP></FONT></P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 0.5in">11.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<U>Brokers
and Finders</U>. The Investor has not engaged any brokers, finders or agents in connection with the Securities, and the Company
has not incurred nor will incur, directly or indirectly, as a result of any action taken by the Investor, any liability for brokerage
or finders&#8217; fees or agents&#8217; commissions or any similar charges in connection with the Securities.</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0pt 0 0; text-align: justify; text-indent: 0">&nbsp;</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0pt 0 0; text-align: justify; text-indent: 0">___________________________________________</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0pt 0 0; text-align: justify; text-indent: 0"><FONT STYLE="font-size: 9pt"><SUP>1</SUP>.
To include if applicable to a particular holder of Warrant.</FONT></P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0pt 0 0; text-align: justify; text-indent: 0"><FONT STYLE="font-size: 9pt"><SUP>2</SUP>.
To include if the exhibit is for transfer of Warrant.</FONT></P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 0.5in"></P>


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<P STYLE="text-indent: 0.5in; font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify">12.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<U>No
&#8220;Bad Actor&#8221; Disqualification</U>. Neither (i)&nbsp;the Investor nor (ii)&nbsp;any of its directors, executive officers,
other officers that may serve as a director or officer of the Company is subject to any of the &#8220;bad actor&#8221; disqualifications
described in Rule&nbsp;506(d)(1)(i) through (viii) under the Securities Act, exceptas set forth in Rule&nbsp;506(d)(2)(ii)
or (iii) or (d)(3) under the Securities Act and disclosed, reasonably in advance of the <FONT STYLE="font-size: 11pt">purchase
or acquisition of the Securities, in writing in reasonable detail to the Company.</FONT></P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: center; text-indent: 0in">(<I>signature page
follows</I>)</P>


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<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 0.5in">The Investor is
signing this Investment Representation Statement on the date first written above.</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 12pt 3in">INVESTOR</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 43%; padding-right: 5.75pt; padding-left: 5.75pt; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="width: 57%; border-top: Black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; text-align: center; text-indent: 0in"><FONT STYLE="font-size: 10pt">(<I>Print name of the investor</I>)</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-indent: 0in">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; text-indent: 0in">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: center; text-indent: 0in"><FONT STYLE="font-size: 10pt">(<I>Signature</I>)</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-indent: 0in">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; text-indent: 0in">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: center; text-indent: 0in"><FONT STYLE="font-size: 10pt">(<I>Name and title of signatory, if applicable</I>)</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-indent: 0in">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; text-indent: 0in">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: center; text-indent: 0in"><FONT STYLE="font-size: 10pt">(<I>Street address</I>)</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-indent: 0in">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; padding-right: 5.75pt; padding-left: 5.75pt; text-indent: 0in">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt; text-align: center; text-indent: 0in"><FONT STYLE="font-size: 10pt">(<I>City, state and ZIP</I>)</FONT></TD></TR>
</TABLE>
<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 9pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: center; text-indent: 0in"><B><I>&nbsp;</I></B></P>


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<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: center; text-indent: 0in"><B>EXHIBIT B</B></P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: center; text-indent: 0in"><B>ASSIGNMENT FORM</B></P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0 1.5in; text-align: justify; text-indent: -1.5in">ASSIGNOR:&#9;<U>&#9;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</U></P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Times New Roman, Times, Serif; margin-top: 12pt; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 1.5in">COMPANY:</TD><TD STYLE="text-align: justify">I-MAB</TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Times New Roman, Times, Serif; margin-top: 12pt; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 1.5in">WARRANT:</TD><TD STYLE="text-align: justify">THE WARRANT TO PURCHASE ORDINARY SHARES ISSUED ON [<I>INSERT DATE</I>] (THE &#8220;<U>WARRANT</U>&#8221;)</TD></TR></TABLE>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0 0 0 1.5in; text-align: justify; text-indent: -1.5in">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 1.5in">DATE:</TD><TD STYLE="text-align: justify">_________________________</TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Times New Roman, Times, Serif; margin-top: 12pt; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 0.5in">(6)</TD><TD STYLE="text-align: justify"><U>Assignment</U>. The undersigned registered holder of the Warrant (&#8220;<U>Assignor</U>&#8221;)
assigns and transfers to the assignee named below (&#8220;<U>Assignee</U>&#8221;) all of the rights of Assignor under the Warrant,
with respect to the number of shares set forth below:</TD></TR></TABLE>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0pt 0 0; text-align: justify; text-indent: 0.75in">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 12pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 4%; padding-top: 12pt; padding-right: 5.4pt; padding-left: 5.4pt; text-align: justify; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="width: 25%; padding-top: 12pt; padding-right: 5.4pt; padding-left: 5.4pt; text-align: justify; text-indent: 0in"><FONT STYLE="font-size: 11pt">Name of Assignee:</FONT></TD>
    <TD STYLE="width: 71%; border-bottom: Black 1pt solid; padding-top: 12pt; padding-right: 5.4pt; padding-left: 5.4pt; text-align: justify; text-indent: 0in">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-top: 12pt; padding-right: 5.4pt; padding-left: 5.4pt; text-align: justify; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="padding-top: 12pt; padding-right: 5.4pt; padding-left: 5.4pt; text-align: justify; text-indent: 0in"><FONT STYLE="font-size: 11pt">Address of Assignee:</FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; padding-top: 12pt; padding-right: 5.4pt; padding-left: 5.4pt; text-align: justify; text-indent: 0in"><FONT STYLE="font-size: 11pt">&nbsp;</FONT></TD></TR>
</TABLE>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 12pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 4%; padding-top: 12pt; padding-right: 5.4pt; padding-left: 5.4pt; text-align: justify; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="width: 4%; padding-top: 12pt; padding-right: 5.4pt; padding-left: 5.4pt; text-align: justify; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="width: 21%; padding-top: 12pt; padding-right: 5.4pt; padding-left: 5.4pt; text-align: justify; text-indent: 0in"><FONT STYLE="font-size: 11pt">&nbsp;</FONT></TD>
    <TD STYLE="width: 71%; border-bottom: Black 1pt solid; padding-top: 12pt; padding-right: 5.4pt; padding-left: 5.4pt; text-align: justify; text-indent: 0in"><FONT STYLE="font-size: 11pt">&nbsp;</FONT></TD></TR>
</TABLE>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 4%; padding-top: 12pt; padding-right: 5.4pt; padding-left: 5.4pt; text-align: justify; font: 12pt Times New Roman, Times, Serif; text-indent: 0in"><FONT STYLE="font-size: 11pt">&nbsp;</FONT></TD>
    <TD STYLE="width: 31%; padding-top: 12pt; padding-right: 5.4pt; padding-left: 5.4pt; font: 12pt Times New Roman, Times, Serif; text-indent: 0in"><FONT STYLE="font-size: 11pt">Number of Shares Assigned:</FONT></TD>
    <TD STYLE="width: 65%; border-bottom: Black 1pt solid; font: 12pt Times New Roman, Times, Serif; padding-top: 12pt; padding-right: 5.4pt; padding-left: 5.4pt; text-align: justify; text-indent: 0in"><FONT STYLE="font-size: 11pt">&nbsp;</FONT></TD></TR>
</TABLE>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0pt 0 0; text-align: justify; text-indent: 0.75in"></P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0 0.5in; text-align: justify; text-indent: 0in">and does irrevocably
constitute and appoint ______________________ as attorney to make such transfer on the books of I-Mab, maintained for the purpose,
with full power of substitution in the premises.</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Times New Roman, Times, Serif; margin-top: 12pt; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 0.5in">(7)</TD><TD STYLE="text-align: justify"><U>Obligations of Assignee</U>. Assignee agrees to take and hold the Warrant and any shares to
be issued upon exercise of the rights thereunder (the &#8220;<U>Securities</U>&#8221;) subject to, and to be bound by, the terms
and conditions set forth in the Warrant to the same extent as if Assignee were the original holder thereof.</TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Times New Roman, Times, Serif; margin-top: 12pt; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 0.5in">(8)</TD><TD STYLE="text-align: justify"><U>Investment Intent</U>. Assignee represents and warrants that the Securities are being acquired
for investment for its own account, not as a nominee or agent, and not with a view to, or for resale in connection with, the distribution
thereof, and that Assignee has no present intention of selling, granting any participation in, or otherwise distributing the shares,
nor does it have any contract, undertaking, agreement or arrangement for the same, and all representations and warranties set forth
in Exhibit A-1 of the Warrant are true and correct as to Assignee as of the date hereof.</TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Times New Roman, Times, Serif; margin-top: 12pt; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 0.5in">(9)</TD><TD STYLE="text-align: justify"><U>Investment Representation Statement</U>. Assignee has executed, and delivers herewith, an Investment
Representation Statement in a form substantially similar to the form attached to the Warrant as Exhibit&nbsp;A-1.</TD></TR></TABLE>



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<P STYLE="font: 12pt Times New Roman, Times, Serif; margin-top: 0pt; margin-right: 0; margin-bottom: 0; text-align: justify">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 11pt Times New Roman, Times, Serif; margin-top: 12pt; margin-bottom: 0">
<TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 0.5in">(10)</TD><TD STYLE="text-align: justify"><U>No &#8220;Bad Actor&#8221; Disqualification</U>. Neither (i)&nbsp;Assignee, (ii)&nbsp;any of
its directors, executive officers, other officers that may serve as a director or officer of any company in which it invests, general
partners or managing members, nor (iii)&nbsp;any beneficial owner of any of the Company&#8217;s securities held or to be held by
Assignee is subject to any of the &#8220;bad actor&#8221; disqualifications described in Rule&nbsp;506(d)(1)(i) through (viii)
under the Securities Act of 1933, as amended (the &#8220;<U>Securities Act</U>&#8221;), except as set forth in Rule&nbsp;506(d)(2)(ii)
or (iii) or (d)(3) under the Securities Act and disclosed, reasonably in advance of the transfer
of the Securities, in writing in reasonable detail to the Company.</TD></TR>
</TABLE>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 12pt 0 0 0.5in; text-align: justify">Assignor and Assignee are signing
this Assignment Form on the date first set forth above.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-indent: 0.5in">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 12pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 51%; padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-size: 11pt">ASSIGNOR</FONT></TD>
    <TD STYLE="width: 3%; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="width: 46%; padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-size: 11pt">ASSIGNEE</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
        <P STYLE="font: 9pt Times New Roman, Times, Serif; margin: 0 0.3in 0 0; text-align: center">(<I>Print name of Assignor</I>)</P>
        <P STYLE="font: 9pt Times New Roman, Times, Serif; margin: 0 0.3in 0 0; text-align: center">&nbsp;</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
        <P STYLE="font: 9pt Times New Roman, Times, Serif; margin: 0 22.5pt 0 0; text-align: center">(<I>Print name of Assignee</I>)</P>
        <P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0 22.5pt 0 0; text-align: center">&nbsp;</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 0.3in; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 22.5pt; text-align: center">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: Black 1pt solid; padding-right: 0.3in; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; padding-right: 22.5pt; text-align: center">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 0.3in; text-align: center"><FONT STYLE="font-size: 9pt">(<I>Signature of Assignor</I>)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 22.5pt; text-align: center"><FONT STYLE="font-size: 9pt">(<I>Signature of Assignee</I>)</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 0.3in; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 22.5pt; text-align: center">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 0.3in; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 22.5pt; text-align: center">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: Black 1pt solid; padding-right: 0.3in; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; padding-right: 22.5pt; text-align: center">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 0.3in; text-align: center"><FONT STYLE="font-size: 9pt">(<I>Print name of signatory, if applicable</I>)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 22.5pt; text-align: center"><FONT STYLE="font-size: 9pt">(<I>Print name of signatory, if applicable</I>)</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 0.3in; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 22.5pt; text-align: center">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 0.3in; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 22.5pt; text-align: center">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 0.3in; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 22.5pt; text-align: center">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 0.3in; text-align: center"><FONT STYLE="font-size: 9pt">(<I>Print title of signatory, if applicable</I>)</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 22.5pt; text-align: center"><FONT STYLE="font-size: 9pt">(<I>Print title of signatory, if applicable</I>)</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 0.3in; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 22.5pt; text-align: center">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 0.3in; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 22.5pt; text-align: center">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 0.3in"><FONT STYLE="font-size: 11pt">Address:</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 22.5pt"><FONT STYLE="font-size: 11pt">Address:</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: Black 1pt solid; padding-right: 0.3in; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; padding-right: 22.5pt; text-align: center">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 0.3in; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 22.5pt; text-align: center">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 0.3in; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 22.5pt; text-align: center">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: Black 1pt solid; padding-right: 0.3in; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="border-bottom: Black 1pt solid; padding-right: 22.5pt; text-align: center">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 0.3in; text-align: center">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 22.5pt; text-align: center">&nbsp;</TD></TR>
</TABLE>
<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 0in"></P>


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<DOCUMENT>
<TYPE>EX-99
<SEQUENCE>4
<FILENAME>exhibit_4.htm
<DESCRIPTION>EXHIBIT 4
<TEXT>
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<HEAD>
     <TITLE></TITLE>
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<BODY STYLE="font: 10pt Times New Roman, Times, Serif">

<P STYLE="font: bold 11pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: center">EXHIBIT 4</P>

<P STYLE="text-align: center; margin-top: 0; font: 11pt Times New Roman, Times, Serif; margin-bottom: 0"><FONT STYLE="text-transform: uppercase"><B>form of call option</B></FONT></P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; text-align: left; margin: 0pt 0 0">&nbsp;</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 6pt 0 0; text-align: left"><FONT STYLE="font-weight: normal">September
3, 2020</FONT></P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 24pt 0 0; text-indent: 0in">GAOLING FUND, L.P.</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 6pt 0 0; text-indent: 0in">and</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 6pt 0 0; text-indent: 0in">YHG INVESTMENT, L.P.</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0; text-indent: 0in">&nbsp;</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0; text-indent: 0in">&nbsp;</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0; text-indent: 0in">(collectively, the &#8220;<U>Purchasers</U>&#8221;,
each a &#8220;<U>Purchaser</U>&#8221;)</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0; text-indent: 0in">&nbsp;</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0; text-indent: 0in">Re: <U>Call Option Right </U></P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0; text-indent: 0in">&nbsp;</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-indent: 0in">Ladies and Gentlemen,</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0; text-indent: 0in">&nbsp;</P>

<P STYLE="text-align: justify; font: 11pt Times New Roman, Times, Serif; margin: 0; text-indent: 0in">This letter (the &#8220;<U>Letter</U>&#8221;)
sets forth terms and conditions in connection with certain call option rights to purchase from the undersigned (collectively, the
&#8220;<U>Grantors</U>&#8221;) certain number of ordinary shares of I-Mab (the &#8220;<U>Company</U>&#8221;), an exempted company
incorporated with limited liability under the laws of the Cayman Islands, par value of US$0.0001 per share (the &#8220;<U>Shares</U>&#8221;)
granted by the Grantors to the Purchasers as follows:</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0.25in 0 0; text-align: justify; text-indent: 0in"><FONT STYLE="font-size: 11pt">1.</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-size: 11pt"><U>Call Options</U>.</FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 1in"><FONT STYLE="font-size: 11pt">(a)</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-size: 11pt"><U>Initial Call Option</U>. The Purchasers shall jointly have the right (the &#8220;<U>Initial
Call Option</U>&#8221;) to purchase from the Grantors, jointly, up to such number of Shares set forth opposite the Purchasers&#8217;
names in <U>Schedule A</U> hereto for such Initial Call Option at the purchase price per share equivalent to US$45.00 per American
depositary shares (the &#8220;<U>ADS</U>&#8221;) (the &#8220;<U>Exercise Price</U>&#8221;), as may be adjusted pursuant hereto,
prior to the expiration of the Initial Exercise Period (as defined below). As of the date of this Letter, ten (10) ADSs represent
twenty-three (23) Shares, and if such ratio changes, the Exercise Price shall be proportionately adjusted. The Initial Call Option
may be exercisable, in whole or in part and from time to time, on or after the date when such Purchaser will be registered as a
shareholder of the Company on the register of members of the Company (the &#8220;<U>Initial Exercise Period Start Date</U>&#8221;)
and prior to the one-year anniversary of such Initial Exercise Period Start Date (the &#8220;<U>Initial Exercise Period</U>&#8221;).
The Initial Call Option shall be and become void and of no value and shall terminate and no longer be outstanding if and to the
extent not exercised prior to the expiry of the Initial Exercise Period.</FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 1in"><FONT STYLE="font-size: 11pt">(b)</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-size: 11pt"><U>Subsequent Call Option</U>. The Purchasers shall jointly have the right (the &#8220;<U>Subsequent
Call Option</U>&#8221;, and together with the Initial Call Option, the &#8220;<U>Call Options</U>&#8221; and each a &#8220;<U>Call
Option</U>&#8221;) to purchase from the Grantors, jointly, up to such number of Shares set forth opposite the Purchasers&#8217;
names in <U>Schedule A</U> hereto for such Subsequent Call Option at the purchase price per share equivalent to the Exercise Price,
as may be adjusted pursuant hereto, prior to the expiration of the Subsequent Exercise Period (as defined below). The Subsequent
Call Option may be exercisable, in whole or in part and from time to time, on or after the date that is the earlier of (i) the
date when the Purchasers purchase additional Shares directly from the Company via private placement(s) following the Initial Exercise
Period Start Date and (ii) the date that is 120 days after the date hereof, unless as otherwise mutually agreed by the parties
hereto, and prior to the one-year anniversary of such date (the</FONT></P>

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<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify">&#8220;<U>Subsequent Exercise Period</U>&#8221;,
together with the Initial Exercise Period, the &#8220;<U>Exercise Period</U>&#8221;). The Subsequent Call Option shall be and become
void and of no value and shall terminate and no longer be outstanding if and to the extent not exercised prior to the expiry of
the Subsequent Exercise Period.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 0in"><FONT STYLE="font-size: 11pt">2.</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-size: 11pt"><U>Exercise of the Call Options</U>.</FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 1in"><FONT STYLE="font-size: 11pt">(a)</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-size: 11pt"><U>Exercise</U>. Each Call Option may be exercised at the election of the Purchasers jointly,
in whole or in part and from time to time, in accordance with Section&nbsp;1, by: (A) the tender to the Grantors at the address
set forth in Section 7(d) herein of a notice of exercise in the form of <U>Exhibit&nbsp;A</U> (the &#8220;<U>Notice of Exercise</U>&#8221;),
duly completed and executed by or on behalf of the Purchasers; and (B) the full payment to the Grantors of an amount equal to (x)&nbsp;the
Exercise Price multiplied by (y)&nbsp;the number of Shares being purchased upon exercise of such Call Option, in immediately available
funds in accordance with the written wire instruction delivered by the Grantors to the Purchasers within three (3) business days
upon receipt of such Notice of Exercise. In the event that any Call Option is exercised in part and has not expired, the number
of Shares that are purchased by the Purchasers upon such exercise shall be excluded from the number of outstanding Shares that
remains to be purchasable upon exercise of such Call Option.</FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 1in"><FONT STYLE="font-size: 11pt">(b)</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-size: 11pt"><U>Share Certificates</U>. Each Call Option shall be deemed to have been exercised and the
Shares to be transferred upon such exercise shall be deemed to have been transferred immediately prior to the close of business
on the date such Call Option is exercised in accordance with its terms, and the person entitled to receive the Shares to be transferred
upon such exercise shall be treated for all purposes as the holder of record of such Shares as of the close of business on such
date. As promptly as reasonably practicable on or after such date, the Grantors shall duly execute an instrument of transfer dated
as of such date for that number of Shares to be transferred upon such exercise to effectuate such transfer and sale, and have the
Company or the registered agent of the Company delivered to the person or persons entitled to receive the same (i) a certificate
or certificates (or a notice of issuance of uncertificated shares, if applicable) for that number of Shares being transferred upon
such exercise and (ii) a scan copy of an extract of the register of members of the Company reflecting each Purchaser&#8217;s ownership
of the Shares, duly certified by the registered agent or a director of the Company. </FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 1in"><FONT STYLE="font-size: 11pt">(c)</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-size: 11pt"><U>No Fractional Shares or Scrip</U>. No fractional shares or scrip representing fractional
Shares shall be transferred upon the exercise of each Call Option. In lieu of such fractional Share to which the Purchaser would
otherwise be entitled, the Grantors shall deduct from the proceeds being paid by the Purchasers to the Grantors an amount equal
to the Exercise Price multiplied by such fraction.</FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 1in"><FONT STYLE="font-size: 11pt">(d)</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-size: 11pt"><U>Shares</U><I>.</I> Each Grantor represents and agrees that (i) each Grantor will be the
sole beneficial and record owner of the corresponding portion of Shares subject to the Call Options upon exercise of relevant
options under the Company Share Plans (as defined below), and will be entitled to sell and transfer the full legal and beneficial
ownership in such Shares to the Purchasers, free and clear of all and any pledge, lien, security interest, transfer restriction,
encumbrance, claim or equitable interest; and (ii) upon the update of the register of members of the Company on the date of exercise,
each Purchaser will have valid title to the applicable Shares, and such Shares will be duly and validly issued, fully paid and
non-assessable, in each case of (i) and (ii) other than such obligations created pursuant to this Letter or with respect to applicable
laws and regulations. Each Grantor further represents and agrees that the Shares subject to the Call Options shall have been issued
to such Grantor under an effective registration statement on Form S-8 upon exercise of such options.</FONT></P>


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<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 1in"><FONT STYLE="font-size: 11pt">(e)</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT> <FONT STYLE="font-size: 11pt"><U>No Setoff</U>. To the extent permitted by law, the obligations of the Grantors to transfer
and deliver Shares in accordance with and subject to the terms hereof are absolute and unconditional, irrespective of any action
or inaction by the Purchasers to enforce the same, any waiver or consent with respect to any provision hereof, the recovery of
any judgment against any person or entity or any action to enforce the same, or any setoff, counterclaim, recoupment, limitation
or termination, or any breach or alleged breach by the Purchasers or any other person or entity of any obligation to the Grantors
or any violation or alleged violation of law by the Purchasers or any other person or entity, and irrespective of any other circumstance
that might otherwise limit the obligation of the Grantors to the Purchasers in connection with the transfer of Shares. Nothing
herein shall limit the Purchasers&#8217; right to pursue any other remedies available to them hereunder, at law or in equity including,
without limitation, a decree of specific performance and/or injunctive relief with respect to the failure of the Grantors to timely
deliver certificates representing Shares upon exercise of the Call Options as required pursuant to the terms hereof. </FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 1in"><FONT STYLE="font-size: 11pt">(f)</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-size: 11pt"><U>Tax</U>. Each Grantor agrees to be responsible for the payment of any and all income, transfer
and other taxes, filing and recording fees and similar charges imposed on such Grantor under applicable laws relating to the transactions
contemplated herein. </FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 0in"><FONT STYLE="font-size: 11pt">3.</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-size: 11pt"><U>Representations and Warranties; Covenants</U>.</FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 1in"><FONT STYLE="font-size: 11pt">(a)</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-size: 11pt"><U>Representations and Warranties of the Grantors</U>. Each Grantor represents and warrants,
with respect to himself or herself, to the Purchasers as of the date hereof as follows:</FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 1.75in"><FONT STYLE="font-size: 11pt">(i)</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-size: 11pt"><U>Authorization; Enforcement; Validity</U>. Such Grantor has the full capacity and power
to enter into this Letter pursuant hereto and to consummate the transactions contemplated herein. This Letter has been duly executed
and delivered by such Grantor, and, assuming the due authorization, execution and delivery by the other parties hereto, constitutes
a legal, valid and binding obligation of such Grantor, enforceable against such Grantor in accordance with its terms, subject to
bankruptcy, insolvency, fraudulent transfer, reorganization, moratorium and similar laws of general applicability relating to or
affecting creditors&#8217; rights and to general equity principles. Such Grantor is not insolvent.</FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 1.75in"><FONT STYLE="font-size: 11pt">(ii)</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-size: 11pt"><U>No Conflicts</U>. The execution, delivery and performance by such Grantor of this Letter
and the consummation by such Grantor of the transactions contemplated hereby will not (x) conflict with, or constitute a default
(or an event which with notice or lapse of time or both would become a default) under, or give to others any rights of termination,
amendment, acceleration or cancellation of, any material contract or agreement to which such Grantor is a party, or (y) result
in a violation of any law applicable to such Grantor, except in each case, for such conflicts, defaults, rights or violations which
would not, individually or in the aggregate, have a material adverse effect on the ability of such Grantor to perform his or her
obligations hereunder.</FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 1.75in"><FONT STYLE="font-size: 11pt">(iii)</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-size: 11pt"><U>Consents</U>. In connection with the entering into and performance of this Letter, such
Grantor is not required to obtain any consent, authorization or order of, or make any filing or registration with, (x) any governmental
authority or the Company in order for him or her to execute, deliver or perform any of his or her obligations under or contemplated
hereby, except any filing or report required to be made with or submitted to the SEC or the State Administration of Foreign Exchange
of the PRC, or (y) any third party pursuant to any material agreement, indenture or instrument to which such Grantor is a party,
in each case in accordance with the terms hereof or thereof other than such as have been made or obtained.</FONT></P>


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<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 1.75in"><FONT STYLE="font-size: 11pt">(iv)</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT> <FONT STYLE="font-size: 11pt"><U>Compliance</U>. Each Grantor has complied with all procedures and requirements necessary
to validly transfer all of the Shares subject to the Call Options to the Purchasers hereunder pursuant to and in accordance with
the Company&#8217;s organizational or constitutional documents, the Company&#8217;s Second Amended and Restated 2017 Employee Stock
Option Plan, as amended, the Company&#8217;s Second Amended and Restated 2018 Employee Stock Option Plan, as amended, the Company&#8217;s
2019 Share Incentive Plan, as amended, the Company&#8217;s 2020 Share Incentive Plan, as amended (collectively, the &#8220;<U>Company
Share Plans</U>&#8221;), such Grantor&#8217;s stock option offer letter, or otherwise, as applicable, and that such Grantor has
received all consents or waivers necessary to transfer the Shares subject to the Call Options to the Purchasers and that such transfer
is not subject to any right of first refusal, preemptive, tag-along or drag-along right or other comparable obligations or restrictions
that have not been waived or will not be waived prior to the consummation of transactions under this Letter.</FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 1.75in">(v)<FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-size: 11pt"><U>Capitalization; No Transfer</U>. As of the date of this Letter, the Grantors are collectively
entitled to such number of Shares issued or issuable upon exercise of the outstanding vested and exercisable options granted to
them under the Company Share Plans that are not less than the number of Shares subject to the Call Options hereunder. During the
period from the date hereof until the expiry of the applicable Exercise Period, the Grantors agree not to assign, hypothecate,
donate, encumber or otherwise dispose of such applicable Shares or vested and exercisable options, and shall collectively beneficially
own and retain such number of Shares or vested and exercisable options that is no less than the number of Shares subject to the
applicable Call Options hereunder. </FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 1.75in"><FONT STYLE="font-size: 11pt">(vi)</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-size: 11pt"><U>Transfer for Own Account</U>. Such Grantor is transferring the Shares for such Grantor&#8217;s
own account only and not with a view to, or for sale in connection with, a distribution of the Shares within the meaning of the
Securities Act of 1933, as amended (the &#8220;<U>Securities Act</U>&#8221;). No portion of the Exercise Price will be received
indirectly by the Company. </FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 1.75in"><FONT STYLE="font-size: 11pt">(vii)</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-size: 11pt"><U>No General Solicitation</U>. At no time has such Grantor presented any Purchaser with or
solicited any Purchaser through any publicly issued or circulated newspaper, mail, radio, television or other form of general advertisement
or solicitation in connection with the transfer.</FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 1.75in"><FONT STYLE="font-size: 11pt">(viii)</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-size: 11pt"><U>Sophisticated Seller</U>. Each Grantor (i) is able to evaluate the risks and benefits of
the transactions contemplated hereunder, (ii) has adequate information to make an informed decision regarding the sale of the Shares,
and (iii) has independently and without reliance upon any Purchaser, and based on such information and the advice of such advisors
as such Grantor has deemed appropriate, made his or her own analysis and decision to enter into this Letter. Each Grantor acknowledges
that none of the Purchaser nor any of their Affiliates or agents are acting as a fiduciary or financial or investment adviser to
such Grantor, and that none of the Purchasers nor any of their Affiliates or agents has. For purpose of this Letter, &#8220;<U>Affiliate</U>&#8221;
means, with respect to any specified person, any other person that directly, or indirectly through one or more intermediaries,
controls, is controlled by, or is under common control with, such specified person, including, without limitation, any general
partner, managing member, officer, director or trustee of such person, or any venture capital fund or registered investment company
now or hereafter existing that is controlled by one or more general partners, managing members or investment advisers of, or shares
the same management company or investment adviser with, such person.</FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 1.75in"><FONT STYLE="font-size: 11pt">(ix)</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-size: 11pt"><U>Brokers and Finders</U>. None of such Grantor nor any of his or her Affiliates is a party
to any agreement, arrangement or understanding with any person or entity that would give rise to any valid right, interest or claim
against or upon such Grantor or the Purchasers for any</FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 1.75in"><FONT STYLE="font-size: 11pt">&nbsp;</FONT></P>


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<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 0in">brokerage commission,
finder&#8217;s fee or other similar compensation, as a result of the transactions contemplated by this Letter.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 1in"><FONT STYLE="font-size: 11pt">(b)</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-size: 11pt"><U>Representations and Warranties of the Purchasers</U>. Each Purchaser represents and warrants,
with respect to itself, to the Grantors as of the date hereof as follows:</FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 1.75in"><FONT STYLE="font-size: 11pt">(i)</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-size: 11pt"><U>Organization</U>. Such Purchaser is duly formed, validly existing and in good standing
under the laws of the Cayman Islands. Such Purchaser has all requisite power and authority to carry on its business as it is currently
being conducted.</FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 1.75in"><FONT STYLE="font-size: 11pt">(ii)</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-size: 11pt"><U>Authorization; Enforcement; Validity</U>. Such Purchaser has the requisite power and authority
to execute and deliver this Letter and perform its obligations hereunder. The execution, delivery and performance of this Letter
and the consummation of the transactions contemplated hereby and thereby have been duly and validly authorized by all requisite
company action by such Purchaser and no other actions or proceedings on the part of such Purchaser is necessary to authorize the
execution and delivery by it of this Letter, the performance by it of its obligations hereunder or the consummation by it of the
transactions contemplated by this Letter. This Letter has been duly executed and delivered by such Purchaser, and, assuming the
due authorization, execution and delivery by the Grantors, constitutes a legal, valid and binding obligation of such Purchaser,
enforceable against such Purchaser in accordance with its terms, subject to bankruptcy, insolvency, fraudulent transfer, reorganization,
moratorium and similar laws of general applicability relating to or affecting creditors&#8217; rights and to general equity principles.</FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 1.75in"><FONT STYLE="font-size: 11pt">(iii)</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-size: 11pt"><U>No Conflicts</U>. The execution, delivery and performance by such Purchaser of this Letter
and the consummation by such Purchaser of the transactions contemplated hereby will not (x) result in a violation of the organizational
or constitutional documents of such Purchaser, (y) conflict with, or constitute a default (or an event which with notice or lapse
of time or both would become a default) under, or give to others any rights of termination, amendment, acceleration or cancellation
of, any material contract to which such Purchaser is a party, or (z) result in a violation of any law applicable to such Purchaser,
except in the case of clauses (y) and (z) above, for such conflicts, defaults, rights or violations which would not, individually
or in the aggregate, have a material adverse effect on the ability of such Purchaser to perform its obligations hereunder.</FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 1.75in"><FONT STYLE="font-size: 11pt">(iv)</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-size: 11pt"><U>Consents</U>. In connection with the entering into and performance of this Letter, such
Purchaser is not required to obtain any consent, authorization or order of, or make any filing or registration with, (x) any governmental
authority in order for it to execute, deliver or perform any of its obligations under or contemplated hereby, except any filing
or report required to be made with or submitted to the SEC (including a report of beneficial ownership on Schedule 13D or Schedule
13G, a report of Section 13(f) securities holding on Form 13-F, and any amendment thereto) or (y) any third party pursuant to any
material agreement, indenture or instrument to which such Purchaser is a party, in each case in accordance with the terms hereof
or thereof other than such as have been made or obtained.</FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-indent: 1.75in"><FONT STYLE="font-size: 11pt">(v)</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-size: 11pt"><U>Brokers and Finders</U>. None of such Purchaser nor any of its Affiliates is a party to
any agreement, arrangement or understanding with any person or entity that would give rise to any valid right, interest or claim
against or upon the Purchasers or the Grantors for any brokerage commission, finder&#8217;s fee or other similar compensation,
as a result of the transactions contemplated by this Letter.</FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 1in"><FONT STYLE="font-size: 11pt">(c)</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </FONT><FONT STYLE="font-size: 11pt"><U>Registration
Rights</U>. The Grantors shall use their commercial reasonable efforts to cause the Company to include the Shares purchased
by the Purchasers upon exercise of the Call </FONT>Options hereunder in an effective registration statement in accordance
with the provisions of the Securities Act, for sale, resale or other disposition of such Shares.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify">&nbsp;</P>


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<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 1in"><FONT STYLE="font-size: 11pt">(d)</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT> <FONT STYLE="font-size: 11pt"><U>ADS Conversion</U>. Upon joint written request by the Purchasers, the Grantors shall cause
the Company to provide reasonable assistance to the Purchasers in the sale, resale or other disposition of the Shares transferred
from the Grantors to the Purchasers after the exercise of a Call Option, including the conversion of such Shares into freely tradeable
ADSs, subject to the rules and regulations of the Securities Act, including using commercially reasonable efforts to cause the
Company to: (i) request its counsel to submit a request, and if requested, an opinion, to the Company&#8217;s depositary, the corporate
registrar, and transfer agent and all other applicable parties (as applicable, collectively &#8220;<U>Agent</U>&#8221;) to facilitate
the removal of all restrictive legends or any other forms of restrictions on such Shares and the conversion of such Shares into
freely tradeable ADSs, subject to the rules and regulations of the Securities Act, and (ii) provide conversion approvals and instructions
to the Agent and all other applicable parties (as applicable).</FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 1in"><FONT STYLE="font-size: 11pt">(e)</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-size: 11pt"><U>Use of Purchasers&#8217; Name or Logo</U>. Notwithstanding anything to the contrary herein,
without the prior written consent of any Purchaser (regardless of whether such Purchaser then holds any Securities), each Grantor
shall not, and each Grantor shall cause each of his or her Affiliates not to, use, publish or reproduce the name of such Purchaser
or its Affiliates or any similar name, trademark or logo in any of their marketing, advertising or promotion materials governmental
or regulatory filings or otherwise for any marketing, advertising, promotional or filing purposes.</FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 0in"><FONT STYLE="font-size: 11pt">4.</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-size: 11pt"><U>Transfer Restrictions; Compliance with Securities Laws</U>. By acceptance of this Letter,
each Purchaser agrees to comply with the following:</FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 1in"><FONT STYLE="font-size: 11pt">(a)</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-size: 11pt"><U>Transfer Restrictions</U>. The Call Options may not be transferred or assigned in whole
or in part without the prior written consent of the Grantors, and any attempt by the Purchasers to transfer or assign any rights,
duties or obligations that arise under this Letter without such permission shall be void; <I>provided</I>, <I>however</I>, that
the Purchasers may assign the Call Options to an Affiliate of any of the Purchasers without the prior written consent of the Grantors.
Any transfer of the Call Options or the Shares being transferred upon exercise hereof (the &#8220;<U>Securities</U>&#8221;), must
be in compliance with all applicable federal and state securities Laws. Each Purchaser agrees not to make any sale, assignment,
transfer or other disposition of all or any portion of the Securities, or any beneficial interest therein, unless and until (i)
pursuant to an effective registration statement under the Securities Act, or (ii) in a public sale in accordance with Rule 144
under the Securities Act, or (iii) otherwise permited under applicable securities laws. </FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 1in"><FONT STYLE="font-size: 11pt">(b)</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-size: 11pt"><U>Investment Representation Statement</U>. Unless the Call Options are exercised pursuant
to an effective registration statement under the Securities Act that includes the Shares with respect to which the Call Options
were exercised, it shall be a condition to any exercise of the rights under the Call Options that the Purchaser shall have confirmed
to the reasonable satisfaction of the Grantors in writing, substantially in the form of <U>Exhibit&nbsp;A-1</U>, that the Shares
so purchased are being acquired solely for such Purchaser&#8217;s own account and not as a nominee for any other party, for investment
and not with a view toward distribution or resale and that the Purchaser shall have confirmed such other matters related thereto
as may be reasonably requested by the Grantors.</FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 1in"><FONT STYLE="font-size: 11pt">(c)</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-size: 11pt"><U>Securities Law Legend.</U> Each certificate, instrument or book entry representing the
Securities shall (unless otherwise permitted by the provisions of this Letter) be notated with a legend substantially similar to
the following (in addition to any legend required by state securities laws):</FONT></P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0 0.5in; text-align: justify">THE SECURITIES REPRESENTED HEREBY
HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE &#8220;ACT&#8221;), OR UNDER THE SECURITIES LAWS OF
CERTAIN STATES. THESE SECURITIES MAY NOT BE<BR STYLE="clear: both">
</P>


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<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 12pt 0 0 0.5in; text-align: justify">&nbsp;</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0 0.5in; text-align: justify">OFFERED, SOLD OR OTHERWISE TRANSFERRED
EXCEPT AS PERMITTED UNDER THE ACT AND APPLICABLE STATE SECURITIES LAWS IN ACCORDANCE WITH APPLICABLE REGISTRATION REQUIREMENTS
OR AN EXEMPTION THEREFROM. THE ISSUER OF THESE SECURITIES MAY REQUIRE AN OPINION OF COUNSEL REASONABLY SATISFACTORY TO THE ISSUER
THAT SUCH OFFER, SALE OR TRANSFER OTHERWISE COMPLIES WITH THE ACT AND ANY APPLICABLE STATE SECURITIES LAWS. <FONT STYLE="text-transform: uppercase">This
certificate must be surrendered to the coMPANY or its transfer agent as a condition precedent to the sale, TRANSFER or of any interest
in any of the securities represented hereby.</FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 1in"><FONT STYLE="font-size: 11pt">(d)</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-size: 11pt"><U>Removal of Legend</U>. The legend referring to federal and state securities laws identified
in Section&nbsp;4(c) notated on any certificate evidencing the Shares and the share transfer instructions and record notations
with respect to such Securities shall be removed if (i)&nbsp;such Securities are registered under the Securities Act, or (ii)&nbsp;if
so requested by the Company, such holder provides the Company with an opinion of counsel reasonably acceptable to the Company to
the effect that a sale or transfer of such Securities may be made without registration, qualification or legend.</FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 1in"><FONT STYLE="font-size: 11pt">(e)</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-size: 11pt"><U>No Transfers to Bad Actors; Notice of Bad Actor Status</U>. Except in the case of a public
sale pursuant to an effective registration statement or in accordance with Rule 144 under the Securities Act, each Purchaser agrees
not to sell, assign, transfer, pledge or otherwise dispose of any Securities, or any beneficial interest therein, to any person
(other than the Company) unless and until the proposed transferee confirms to the reasonable satisfaction of the Company that neither
the proposed transferee nor any of its directors, executive officers, other officers that may serve as a director or officer of
any company in which it invests, general partners or managing members nor any person that would be deemed a beneficial owner of
those Securities (in accordance with Rule&nbsp;506(d) of the Securities Act) is subject to any of the &#8220;bad actor&#8221; disqualifications
described in Rule&nbsp;506(d)(1)(i) through (viii) under the Securities Act, except as set forth in Rule&nbsp;506(d)(2)(ii) or
(iii) or (d)(3) under the Securities Act and disclosed, reasonably in advance of the transfer, in writing in reasonable detail
to the Company. As long as it remains a holder of the Call Options, the Purchasers will promptly notify the Company in writing
if any Purchaser becomes subject to any of the &#8220;bad actor&#8221; disqualifications described in Rule&nbsp;506(d)(1)(i) through
(viii) under the Securities Act.</FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 1in"><FONT STYLE="font-size: 11pt">(f)</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-size: 11pt"><U>Exceptions</U>. Notwithstanding anything to the contrary herein, each Purchaser and its
Affiliate may directly or indirectly, place any charge, mortgage, lien, pledge, restrictions, security interest or other encumbrance
in respect of the Shares transferred to such Purchaser upon exercise of the Call Option in connection with such Purchaser&#8217;s
(or any of its Affiliates&#8217;) margin loans, collars, derivative transactions or other such downside protection transactions
to be entered into on or after the date hereof by such Purchaser (or any of its Affiliates), and the beneficiary of such transaction
(the &#8220;<U>Beneficiary</U>&#8221;) will be entitled to foreclose or enforce following default by such Purchaser or its Affiliates,
including sell (or instruct its agent to sell) the Shares, provided that such Beneficiary shall be bound by such Purchaser&#8217;s
obligations in this Section 4 to the same extent as if such Beneficiary were such Purchaser.</FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 0in"><FONT STYLE="font-size: 11pt">5.</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-size: 11pt"><U>Adjustments</U>. Subject to the expiration of the Call Options, the number and kind of
Shares purchasable hereunder and the Exercise Price therefor are subject to adjustment from time to time, as follows:</FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 1in"><FONT STYLE="font-size: 11pt">(a)</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT> <FONT STYLE="font-size: 11pt"><U>Business Combination</U>. In case of the approval of any shareholders of the Company shall
be required in connection with any reclassification of the Shares, any consolidation or merger to which the Company is a party,
any sale or transfer of all or substantially all of the assets of the</FONT></P>

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<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 0">Company, or any compulsory
share exchange whereby the Shares are converted into other securities, cash or property, the Purchasers&#8217; right to receive
the Shares to be transferred upon exercise hereof shall be converted into the right to exercise the Call Options to acquire the
number of shares or other securities or property (including cash) which the Shares to be transferred (at the time of such reclassification,
consolidation, merger, sale or transfer of all or substantially all of the assets, or share exchange) upon exercise hereof immediately
prior to such reclassification, consolidation, merger, sale or transfer of all or substantially all of the assets, or share exchange
would have been entitled to receive upon consummation of such reclassification, consolidation, merger, sale or transfer of all
or substantially all of the assets, or share exchange; and in any such case, if necessary, the provisions set forth herein with
respect to the rights and interests thereafter of the Purchasers shall be appropriately adjusted so as to be applicable, as nearly
as may reasonably be, to the Purchasers&#8217; right to exercise the Call Options in exchange for any shares or other securities
or property pursuant to this Section 5(a). If and to the extent that the holders of Shares have the right to elect the kind or
amount of consideration receivable upon consummation of such reclassification, consolidation, merger, sale or transfer of all
or substantially all of the assets, or share exchange, then the consideration that the Purchasers shall be entitled to receive
upon exercise of the Call Options shall be specified by the Purchasers, which specification shall be made by the Purchasers by
the later of (i) ten (10) business days after the Purchasers are provided with a final version of all material information concerning
such choice as is provided to the holders of Shares, and (ii) the last time at which the holders of Shares are permitted to make
their specifications known to the Company; <I>provided</I>, <I>however</I>, that if the Purchasers fail to make any specification
within such time period, the Purchasers&#8217; choice shall be deemed to be whatever choice is made by a plurality of all holders
of Shares that are not affiliated with the Company (or, in the case of a consolidation, merger, sale or similar transaction, any
other party thereto) and affirmatively make an election (or of all such holders if none of them makes an election). From and after
any such reclassification, consolidation, merger, sale or transfer of all or substantially all of the assets, or share exchange,
all references to &#8220;Shares&#8221; herein shall be deemed to refer to the consideration to which the Purchasers are entitled
pursuant to this Section 5(a).</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 1in"><FONT STYLE="font-size: 11pt">(b)</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-size: 11pt"><U>Reclassification of Shares</U>. If the Shares to be transferred upon exercise hereof are
changed into the same or a different number of securities of any other class or classes by reclassification, capital reorganization
or otherwise (other than as otherwise provided for herein) (a &#8220;<U>Reclassification</U>&#8221;), then, in any such event,
in lieu of the number of Shares which the Purchasers would otherwise have been entitled to receive, the Purchasers shall have the
right thereafter to exercise the Call Options for a number of shares of such other class or classes of stock that a holder of the
number of securities deliverable upon exercise of the Call Options immediately before that change would have been entitled to receive
in such Reclassification, all subject to further adjustment as provided herein with respect to such other shares.</FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 1in"><FONT STYLE="font-size: 11pt">(c)</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-size: 11pt"><U>Subdivisions and Combinations</U>. In the event that the outstanding Shares are subdivided
(by stock split, by payment of a stock dividend or otherwise) into a greater number of shares of such securities, the number of
Shares to be transferred upon exercise hereof immediately prior to such subdivision shall, concurrently with the effectiveness
of such subdivision, be proportionately increased, and the Exercise Price shall be proportionately decreased, and in the event
that the outstanding Shares are combined (by reclassification or otherwise) into a lesser number of shares of such securities,
the number of Shares to be transferred upon exercise hereof immediately prior to such combination shall, concurrently with the
effectiveness of such combination, be proportionately decreased, and the Exercise Price shall be proportionately increased.</FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 1in"><FONT STYLE="font-size: 11pt">(d)</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </FONT><FONT STYLE="font-size: 11pt"><U>Notice
of Adjustments</U>. Upon any adjustment in accordance with this Section&nbsp;5, the Grantors shall give notice thereof to the
Purchasers, which notice shall state the event giving rise to </FONT>the adjustment, the Exercise Price as adjusted and the
number of securities or other property purchasable</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin-top: 12pt; margin-right: 0; margin-bottom: 0; text-align: left"></P>

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<P STYLE="font: 12pt Times New Roman, Times, Serif; margin-top: 12pt; margin-right: 0; margin-bottom: 0; text-align: justify">upon
the exercise of the rights under the Call Options, setting forth in reasonable detail the method of calculation of each. The Grantors
shall, upon the written request of any Purchaser, furnish or cause to be furnished to such Purchaser a certificate setting forth
(i)&nbsp;such adjustments, (ii)&nbsp;the Exercise Price at the time in effect and (iii)&nbsp;the number of securities and the
amount, if any, of other property that at the time would be received upon exercise of the Call Options.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 0in"><FONT STYLE="font-size: 11pt">6.</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-size: 11pt"><U>No Rights as a Shareholder</U>. Nothing contained herein shall entitle the Purchasers to
any rights as a shareholder of the Company or to be deemed the holder of any securities that may at any time be transferred to
it upon exercise hereof for any purpose nor shall anything contained herein be construed to confer upon the Purchasers, as such,
any right to vote for the election of directors or upon any matter submitted to shareholders at any meeting thereof, or to give
or withhold consent to any corporate action (whether upon any recapitalization, issuance of stock, reclassification of stock, change
of par value or change of stock to no par value, consolidation, merger, conveyance or otherwise) or to receive notice of meetings,
or to receive dividends or subscription rights or any other rights of a shareholder of the Company until the rights under the Call
Options shall have been exercised and the Shares purchasable upon exercise of the rights hereunder shall have become deliverable
as provided herein.</FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 0in"><FONT STYLE="font-size: 11pt">7.</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-size: 11pt"><U>Miscellaneous</U>.</FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 1in"><FONT STYLE="font-size: 11pt">(a)</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-size: 11pt"><U>The Grantors</U>. The Grantors and the Purchasers agree that (A) the obligations of transfer
and sale of Shares by the Grantors to the Purchasers upon exercise of the Call Options shall be jointly performed by the Grantors,
and the Grantors shall have the sole discretion to determine their internal allocation of Shares under the Call Options, and (B)
the proceeds received by each Grantor herein shall be the amount equal to (x) the Exercise Price multiplied by (y) the number of
Shares being sold and transferred by such Grantor to the Purchasers upon exercise of the Call Options. </FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 1in"><FONT STYLE="font-size: 11pt">(b)</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-size: 11pt"><U>Amendments</U>. Except as expressly provided herein, neither this Letter nor any term hereof
may be amended, waived, discharged or terminated other than by a written instrument referencing this Letter and signed by the Purchasers
and the Grantors. Any amendment, waiver, discharge or termination effected in accordance with this Section&nbsp;7(b) shall be binding
upon each Purchaser, each future holder of such Call Options and the Grantors.</FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 1in"><FONT STYLE="font-size: 11pt">(c)</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-size: 11pt"><U>Waivers</U><I>.</I> No waiver of any single breach or default shall be deemed a waiver
of any other breach or default theretofore or thereafter occurring.</FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 1in"><FONT STYLE="font-size: 11pt">(d)</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-size: 11pt"><U>Notices</U>. Except as may be otherwise provided herein, any notices, consents, waivers
or other communications required or permitted to be given under the terms of this Letter must be in writing and will be deemed
to have been delivered: (a) upon receipt, when delivered personally; or (b) one (1) business day after deposit with an internationally
recognized overnight courier service; or (c) when sent by confirmed electronic mail if sent during normal business hours of the
recipient, or if not, then on the next business day, in each case properly addressed to the party to receive the same. The addresses
for such communications shall be:</FONT></P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 12pt 1.5in">If to the Grantors:</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Times New Roman, Times, Serif; margin-top: 6pt; margin-bottom: 12pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1.5in"></TD><TD STYLE="width: 1in">Address:</TD><TD>Suite 802, West Tower, OmniVision, 88 Shangke Road, Pudong District, Shanghai, 201210, People&rsquo;s Republic of China</TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1.5in"></TD><TD STYLE="width: 1in">Telephone:</TD><TD>+86 21-6057-8000</TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1.5in"></TD><TD STYLE="width: 1in">Email:</TD><TD>jielun.zhu@i-mabbiopharma.com</TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 12pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1.5in"></TD><TD STYLE="width: 1in">Attention:</TD><TD>Jielun Zhu with a copy to Jingwu Zhang Zang, Joan Huaqiong Shen, Zheru Zhang, Lili QIan, Bingshi Guo and Zhengyi Wang</TD></TR></TABLE>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 12pt 1.5in; text-indent: -100pt"></P>

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<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 12pt 1.5in; text-indent: -100pt"></P>


<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0 0 12pt 1.5in">If to the Purchasers:</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1.5in"></TD><TD STYLE="width: 1in">Address:</TD><TD>Suite 2202, 22<SUP>nd</SUP> Floor, Two International Finance Centre, 8 Finance Street, Central, Hong Kong</TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1.5in"></TD><TD STYLE="width: 1in">Email:</TD><TD>ahornung@hillhousecap.com with a copy to legal@hillhousecap.com</TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1.5in"></TD><TD STYLE="width: 1in">Telephone:</TD><TD>+852 2179-1988</TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1.5in"></TD><TD STYLE="width: 1in">Attention:</TD><TD>Adam Hornung</TD></TR></TABLE>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0 0 0 2.5in; text-indent: -1in">&nbsp;</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0 0 0 2.5in; text-indent: -1in">with a copy (for informational purposes
only) to:</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0 0 0 2.5in; text-indent: -1in">&nbsp;</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0 0 0 2.5in; text-indent: -1in">Goodwin Procter (Hong Kong) LLP</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1.5in"></TD><TD STYLE="width: 1in">Address:</TD><TD>38th Floor, Edinburgh Tower, The Landmark, 15 Queen&#8217;s Road Central, Hong Kong</TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1.5in"></TD><TD STYLE="width: 1in">Telephone:</TD><TD>+852- 3658-5300</TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1.5in"></TD><TD STYLE="width: 1in">Email:</TD><TD>YRana@goodwinlaw.com; chipan@goodwinlaw.com</TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 12pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1.5in"></TD><TD STYLE="width: 1in">Attention:</TD><TD>Yash Rana; Chi Pan</TD></TR></TABLE>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 1.5in">A party may change
or supplement the addresses given above, or designate additional addresses, for purposes of this Section 7(d) by giving the other
parties written notice of the new address in the manner set forth above.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 1in"><FONT STYLE="font-size: 11pt">(e)</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-size: 11pt"><U>Governing Law</U>. This Letter shall be governed by, and construed in accordance with,
the laws of the State of New York, without regard to principles of conflict of laws thereunder.</FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 1in"><FONT STYLE="font-size: 11pt">(f)</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-size: 11pt"><U>Arbitration</U>. Any dispute, controversy, difference or claim arising out of or relating
to this Letter, including the existence, validity, interpretation, performance, breach or termination thereof or any dispute regarding
non-contractual obligations arising out of or relating to it shall be referred to and finally resolved by arbitration administered
by the Hong Kong International Arbitration Centre (&#8220;<U>HKIAC</U>&#8221;) under the HKIAC Administered Arbitration Rules in
force when the Notice of Arbitration is submitted. The seat of arbitration shall be Hong Kong. The number of arbitrators shall
be three. The arbitrators shall be appointed in accordance with the HKIAC rules. The arbitration proceedings shall be conducted
in English. It shall not be incompatible with this arbitration agreement for any party to seek interim or conservatory relief from
courts of competent jurisdiction before the constitution of the arbitral tribunal.</FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 1in"><FONT STYLE="font-size: 11pt">(g)</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-size: 11pt"><U>Specific Performance</U>. The parties hereto acknowledge and agree irreparable harm may
occur for which money damages would not be an adequate remedy in the event that any of the provisions of this Letter were not performed
in accordance with their specific terms or were otherwise breached. It is accordingly agreed that, in addition to any other remedies
at law or in equity, the parties to this Letter shall be entitled to injunction to prevent breaches of this Letter and to enforce
specifically the terms and provisions of this Letter without posting any bond or other undertaking.</FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 1in"><FONT STYLE="font-size: 11pt">(h)</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </FONT><FONT STYLE="font-size: 11pt"><U>Titles
and Subtitles</U>. The titles and subtitles used in this Letter are used for convenience only and are not to be considered in
construing or interpreting this Letter. All references in </FONT>this Letter to sections, paragraphs and exhibits shall,
unless otherwise provided, refer to sections and paragraphs hereof and exhibits attached hereto.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 0pt"></P>

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<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 0pt"></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 1in"><FONT STYLE="font-size: 11pt">(i)</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-size: 11pt"><U>Severability</U>. If any provision of this Letter becomes or is declared by a court of
competent jurisdiction to be illegal, unenforceable or void, portions of such provision, or such provision in its entirety, to
the extent necessary, shall be severed from this Letter, and such illegal, unenforceable or void provision shall be replaced with
a valid and enforceable provision that will achieve, to the extent possible, the same economic, business and other purposes of
the illegal, unenforceable or void provision. The balance of this Letter shall be enforceable in accordance with its terms.</FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 1in"><FONT STYLE="font-size: 11pt">(j)</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-size: 11pt"><U>Saturdays, Sundays and Holidays</U>. If the last or appointed day for the taking of any
action or the expiration of any right required or granted herein shall not be a business day, then, such action may be taken or
such right may be exercised on the next succeeding business day.</FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 1in"><FONT STYLE="font-size: 11pt">(k)</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-size: 11pt"><U>Rights and Obligations Survive Exercise of the Call Options</U>. Except as otherwise provided
herein, the rights and obligations of the Purchasers and the Grantors under this Letter shall survive exercise of the Call Options.</FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 1in"><FONT STYLE="font-size: 11pt">(l)</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-size: 11pt"><U>Entire Agreement</U>. Except as expressly set forth herein, this Letter (including the
exhibits attached hereto) constitutes the entire agreement and understanding of the Purchasers and the Grantors with respect to
the subject matter hereof and supersede all prior agreements and understandings relating to the subject matter hereof.</FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 1in"><FONT STYLE="font-size: 11pt">(m)</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-size: 11pt"><U>Further Assurances</U>. Each party shall do and perform, or cause to be done and performed,
all such further acts and things, and shall execute and deliver all such other agreements, certificates, instruments and documents,
as any other party may reasonably request in order to carry out the intent and accomplish the purposes of this Letter and the consummation
of the transactions contemplated hereby.</FONT></P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: center; text-indent: 0in"><I>(signature page
follows)</I></P>


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<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0 0 0 175.7pt; text-align: justify; text-indent: 40.3pt">&nbsp;</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0 0 0 175.7pt; text-align: justify; text-indent: 40.3pt"></P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0"><B></B></P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 12pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 47%; padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="width: 53%; padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 0in"><FONT STYLE="font-size: 11pt">Very Truly yours,</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 0in">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 0in">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 0in">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="border-top: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 0in"><FONT STYLE="font-size: 11pt">Name: Jingwu Zhang Zang</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 0in">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 0in">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 0in">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="border-top: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 0in"><FONT STYLE="font-size: 11pt">Name: Joan Huaqiong Shen</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 0in">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 0in">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 0in">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="border-top: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 0in"><FONT STYLE="font-size: 11pt">Name: Zheru Zhang</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 0in">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 0in">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 0in">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="border-top: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 0in"><FONT STYLE="font-size: 11pt">Name: &nbsp;Jielun Zhu</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 0in">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 0in">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 0in">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="border-top: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 0in"><FONT STYLE="font-size: 11pt">Name: Lili Qian</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 0in">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 0in">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 0in">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="border-top: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 0in"><FONT STYLE="font-size: 11pt">Name: Bingshi Guo</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 0in">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 0in">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 0in">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="border-top: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 0in"><FONT STYLE="font-size: 11pt">Name: Zhengyi Wang</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 0in">&nbsp;</TD></TR>
</TABLE>
<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0"><B></B></P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0"><B></B></P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P>

<P STYLE="text-align: center; font: 11pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">[Signature Page to Call Option Letter]</P>
<P STYLE="font: 11pt Times New Roman, Times, Serif; text-align: center; margin-top: 0; margin-bottom: 0"><I></I></P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P>


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    <DIV STYLE="page-break-before: always; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%">&nbsp;</TD></TR></TABLE></DIV>
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<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0"><B></B></P>


<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 12pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD COLSPAN="2" STYLE="padding-right: 5.75pt; padding-left: 5.75pt"><FONT STYLE="font-size: 11pt">Agreed and Acknowledged,</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD COLSPAN="2" STYLE="padding-right: 5.75pt; padding-left: 5.75pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD COLSPAN="2" STYLE="padding-right: 5.75pt; padding-left: 5.75pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD COLSPAN="2" STYLE="padding-right: 5.75pt; padding-left: 5.75pt"><FONT STYLE="font-size: 11pt"><B>GAOLING FUND, L.P.</B></FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD COLSPAN="2" STYLE="padding-right: 5.75pt; padding-left: 5.75pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD COLSPAN="2" STYLE="padding-right: 5.75pt; padding-left: 5.75pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 9%; padding-right: 5.75pt; padding-left: 5.75pt"><FONT STYLE="font-size: 11pt">By:</FONT></TD>
    <TD STYLE="width: 40%; padding-right: 5.75pt; padding-left: 5.75pt">&nbsp;</TD>
    <TD STYLE="width: 51%; padding-right: 5.75pt; padding-left: 5.75pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt"><FONT STYLE="font-size: 11pt">Name:</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
<!-- Field: Rule-Page --><DIV STYLE="margin-top: 1pt; margin-bottom: 1pt; width: 100%"><DIV STYLE="font-size: 1pt; border-top: Black 0.5pt solid">&nbsp;</DIV></DIV><!-- Field: /Rule-Page --></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD COLSPAN="2" STYLE="padding-right: 5.75pt; padding-left: 5.75pt"><FONT STYLE="font-size: 11pt">Title:</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD COLSPAN="2" STYLE="padding-right: 5.75pt; padding-left: 5.75pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD COLSPAN="2" STYLE="padding-right: 5.75pt; padding-left: 5.75pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD COLSPAN="2" STYLE="padding-right: 5.75pt; padding-left: 5.75pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD COLSPAN="2" STYLE="padding-right: 5.75pt; padding-left: 5.75pt"><FONT STYLE="font-size: 11pt"><B>YHG INVESTMENT, L.P.</B></FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD COLSPAN="2" STYLE="padding-right: 5.75pt; padding-left: 5.75pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD COLSPAN="2" STYLE="padding-right: 5.75pt; padding-left: 5.75pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt"><FONT STYLE="font-size: 11pt">By:</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt"><FONT STYLE="font-size: 11pt">Name:</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">
<!-- Field: Rule-Page --><DIV STYLE="margin-top: 1pt; margin-bottom: 1pt; width: 100%"><DIV STYLE="font-size: 1pt; border-top: Black 0.5pt solid">&nbsp;</DIV></DIV><!-- Field: /Rule-Page --></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD COLSPAN="2" STYLE="padding-right: 5.75pt; padding-left: 5.75pt"><FONT STYLE="font-size: 11pt">Title:</FONT></TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD COLSPAN="2" STYLE="padding-right: 5.75pt; padding-left: 5.75pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.75pt; padding-left: 5.75pt">&nbsp;</TD></TR>
</TABLE>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0"><B></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">[Signature Page to Call Option Letter]</P>
<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0"><B></B></P>
<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P>


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<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: center; text-indent: 0in"><B>Schedule A</B></P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0 0 0.25in; text-align: center; text-indent: 0in"><B>Particulars of
Purchasers</B></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 12pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top; background-color: #F2F2F2">
    <TD STYLE="width: 41%; border: Black 1pt solid; padding-top: 6pt; padding-bottom: 6pt; text-indent: 0in"><FONT STYLE="font-size: 11pt"><B>Name of Purchaser</B></FONT></TD>
    <TD STYLE="width: 59%; border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-top: 6pt; padding-bottom: 6pt; text-align: center; text-indent: 0in"><FONT STYLE="font-size: 11pt"><B>Shares purchasable upon exercise of the Call Options </B></FONT></TD></TR>
<TR>
    <TD COLSPAN="2" STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-top: 6pt; padding-bottom: 6pt; text-indent: 0in"><FONT STYLE="font-size: 11pt"><B><I>Initial Call Option </I></B></FONT></TD></TR>
<TR>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-top: 6pt; padding-bottom: 6pt; text-indent: 0in"><FONT STYLE="font-size: 11pt">GAOLING FUND, L.P.</FONT></TD>
    <TD ROWSPAN="2" STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-top: 6pt; padding-bottom: 6pt; text-align: center; text-indent: 0in"><FONT STYLE="font-size: 11pt">collectively, 958,341 Ordinary Shares<SUP>1</SUP>&nbsp;&nbsp;</FONT></TD></TR>
<TR>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-top: 6pt; padding-bottom: 6pt; text-indent: 0in"><FONT STYLE="font-size: 11pt">YHG INVESTMENT, L.P.</FONT></TD></TR>
<TR>
    <TD COLSPAN="2" STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-top: 6pt; padding-bottom: 6pt; text-indent: 0in"><FONT STYLE="font-size: 11pt"><B><I>Subsequent Call Option </I></B></FONT></TD></TR>
<TR>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-top: 6pt; padding-bottom: 6pt; text-indent: 0in"><FONT STYLE="font-size: 11pt">GAOLING FUND, L.P.</FONT></TD>
    <TD ROWSPAN="2" STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-top: 6pt; padding-bottom: 6pt; text-align: center; text-indent: 0in"><FONT STYLE="font-size: 11pt">collectively, 1,597,235 Ordinary Shares<SUP>1</SUP></FONT></TD></TR>
<TR>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-top: 6pt; padding-bottom: 6pt; text-indent: 0in"><FONT STYLE="font-size: 11pt">YHG INVESTMENT, L.P.</FONT></TD></TR>
</TABLE>
<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-indent: 0.5in"><SUP>1</SUP> As may be adjusted from
time to time for stock split, dividend, combination, reclassification or similar transaction or otherwise pursuant to this Letter.</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="text-align: center; font: 11pt Times New Roman, Times, Serif; margin-top: 12pt; margin-bottom: 0">Schedule A</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: center; text-indent: 0in">&nbsp;</P>


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<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: center; text-indent: 0in"><B>EXHIBIT A</B></P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: center; text-indent: 0in"><B>NOTICE OF EXERCISE</B></P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-indent: 0in">TO:&#9;The Grantors</P>

<P STYLE="text-align: justify; font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-indent: 0in">Reference is made to the call option letter
(the &#8220;<U>Letter</U>&#8221;) dated as of September 3, 2020 entered into between and among Jingwu Zhang Zang, Joan Huaqiong
Shen, Zheru Zhang, Jielun Zhu, Lili Qian, Bingshi Guo and Zhengyi Wang (collectively, the &#8220;<U>Grantors</U>&#8221;), GAOLING
FUND, L.P. and YHG INVESTMENT, L.P..</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt Times New Roman, Times, Serif; margin-top: 12pt; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 0.5in"><FONT STYLE="font-size: 11pt">(1)</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-size: 11pt">Exercise. The undersigned elects to purchase the following pursuant
to the terms of the Letter:</FONT></TD></TR></TABLE>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0 0.75in; text-align: justify; text-indent: 0in">Number of shares:&#9;_______________________________________________<U></U></P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0 0.75in; text-align: justify; text-indent: 0in">Type of security:&#9;_______________________________________________<U></U></P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt Times New Roman, Times, Serif; margin-top: 12pt; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 0.5in"><FONT STYLE="font-size: 11pt">(2)</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-size: 11pt">Share. Please make a book entry and, if the shares are certificated,
issue a certificate or certificates representing the shares in the name of:</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Times New Roman, Times, Serif; margin-top: 12pt; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.75in"></TD><TD STYLE="text-align: center; width: 0.5in"><B>&#9744;</B></TD><TD STYLE="text-align: justify">The undersigned</TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Times New Roman, Times, Serif; margin-top: 12pt; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.75in"></TD><TD STYLE="text-align: center; width: 0.5in"><B>&#9744;</B></TD><TD STYLE="text-align: justify">Other&#8212;Name:&#9; _____________________________________________<U></U></TD></TR>                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                <TR STYLE="vertical-align: top">
<TD>&nbsp;</TD><TD>&nbsp;</TD><TD STYLE="text-align: justify">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
<TD>&nbsp;</TD><TD>&nbsp;</TD><TD STYLE="text-indent: 30pt; text-align: justify">Address _____________________________________________</TD></TR>
</TABLE>


<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 12pt 0 0 2.5in; text-align: justify; text-indent: -180pt"></P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt Times New Roman, Times, Serif; margin-top: 12pt; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 0.5in"><FONT STYLE="font-size: 11pt">(3)</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-size: 11pt">Investment Intent. The undersigned represents and warrants that the
aforesaid shares are being acquired for investment for its own account, not as a nominee or agent, and not with a view to, or for
resale in connection with, the distribution thereof, and that the undersigned has no present intention of selling, granting any
participation in, or otherwise distributing the shares, nor does it have any contract, undertaking, agreement or arrangement for
the same, and all representations and warranties of the undersigned set forth in Exhibit A-1 of the Letter are true and correct
as of the date hereof.</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 12pt Times New Roman, Times, Serif; margin-top: 12pt; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 0.5in"><FONT STYLE="font-size: 11pt">(4)</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="font-size: 11pt">Investment Representation Statement. The undersigned has executed,
and delivers herewith, an Investment Representation Statement in a form substantially similar to the form attached to the Letter
as Exhibit&nbsp;A-1.</FONT></TD></TR></TABLE>




<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-indent: 0in">&nbsp;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-indent: 0in">&nbsp;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-indent: 0in">&nbsp;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-indent: 0in">&nbsp;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-indent: 0in">&nbsp;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-indent: 0in">&nbsp;</P>

<P STYLE="text-align: center; font: 12pt Times New Roman, Times, Serif; margin-top: 12pt; margin-bottom: 0">Exhibit <FONT STYLE="font-family: Times New Roman, Times, Serif">A</FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-indent: 0in"></P>

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    <DIV STYLE="page-break-before: always; margin-top: 6pt; margin-bottom: 6pt"></DIV>
    <!-- Field: /Page -->

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-indent: 0in">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 12pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; text-indent: 0in">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 45%; padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="border-top: Black 1pt solid; width: 55%; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; text-indent: 0in"><I>(Print name of the Purchaser)</I></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; text-indent: 0in">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; text-indent: 0in">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="border-top: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; text-indent: 0in"><I>(Signature)</I></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; text-indent: 0in">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; text-indent: 0in">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="border-top: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; text-indent: 0in"><I>(Name and title of signatory, if applicable)</I></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; text-indent: 0in">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; text-indent: 0in">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="border-top: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; text-indent: 0in"><I>(Date)</I></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; text-indent: 0in">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; text-indent: 0in">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="border-top: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; text-indent: 0in"><I>(Fax number)</I></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; text-indent: 0in">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; text-indent: 0in">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="border-top: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; text-indent: 0in"><I>(Email address)</I></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; text-indent: 0in">&nbsp;</TD></TR>
</TABLE>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-indent: 0in"></P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-indent: 0in">&nbsp;</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-indent: 0in">&nbsp;</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-indent: 0in">&nbsp;</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-indent: 0in">&nbsp;</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-indent: 0in">&nbsp;</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-indent: 0in">&nbsp;</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-indent: 0in">&nbsp;</P>

<P STYLE="text-align: center; font: 11pt Times New Roman, Times, Serif; margin-top: 12pt; margin-bottom: 0">Exhibit <FONT STYLE="font-family: Times New Roman, Times, Serif">A</FONT></P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0; text-align: center; text-indent: 0in"><B><I>&nbsp;</I></B></P>


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<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: center; text-indent: 0in"><B>EXHIBIT&nbsp;A-l</B></P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0; text-align: center; text-indent: 0in">&nbsp;</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0; text-align: center; text-indent: 0in"><B>INVESTMENT REPRESENTATION
STATEMENT</B></P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 0; text-align: center; text-indent: 0in">&nbsp;</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0 1.5in; text-align: justify; text-indent: -1.5in">PURCHASER:&#9;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;&#8239;[NAME
OF PURCHASER]&#9;</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0 1.5in; text-align: justify; text-indent: -1.5in">THE GRANTORS:&#9;&nbsp;JINGWU
ZHANG ZANG, JOAN HUAQIONG SHEN, ZHERU ZHANG, JIELUN ZHU, LILI QIAN, BINGSHI GUO AND ZHENGYI WANG</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 11pt Times New Roman, Times, Serif; margin-top: 12pt; margin-bottom: 0"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 1.5in">SECURITIES:</TD><TD STYLE="text-align: justify">THE CALL OPTIONS GRANTED BY THE GARNTORS TO THE PURCHASER ON [ ] (THE &#8220;<U>CALL OPTIONS</U>&#8221;)
AND THE SECURITIES DELIVERED AND TRANSFERRED UPON EXERCISE THEREOF</TD></TR></TABLE>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify">DATE:&#9;<U>&#9;</U></P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 0.5in">In connection with
the purchase or acquisition of the above-listed Securities, the undersigned Investor represents and warrants to, and agrees with,
the Grantors as follows:</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 0.5in"><FONT STYLE="font-size: 11pt">1.</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-size: 11pt"><U>Investment Intent</U>. The Purchaser is acquiring the Securities for its own account [and
not on behalf of any U.S. person (as defined under Regulation S promulgated under the Securities Act)] and not with a view towards,
or for resale in connection with, the public sale or distribution thereof, except pursuant to sales registered or exempted under
the Securities Act. The Purchaser does not presently have any agreement or understanding, directly or indirectly, with any person
to distribute any of the Securities. The Purchaser is not a broker-dealer registered with the Securities and Exchange Commission
under the Securities Exchange Act of 1934, as amended, or an entity engaged in a business that would require it to be so registered
as a broker-dealer.</FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 0.5in"><FONT STYLE="font-size: 11pt">2.</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-size: 11pt"><U>Investment Experience</U>. The Purchaser has sufficient knowledge and experience in financial
and business matters so as to be capable of evaluating the merits and risks of its investment in the Securities. The Purchaser
is capable of bearing the economic risks of such investment, including a complete loss of its investment.</FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 0.5in"><FONT STYLE="font-size: 11pt">3.</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-size: 11pt"><U>Speculative Nature of Investment</U>. The Purchaser understands and acknowledges that its
investment in the Securities is highly speculative and involves substantial risks. The Purchaser can bear the economic risk of
its investment and is able, without impairing its financial condition, to hold the Securities for an indefinite period of time
and to suffer a complete loss of its investment.</FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 0.5in"><FONT STYLE="font-size: 11pt">4.</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-size: 11pt"><U>Status of Purchaser</U>. The Purchaser is (i) an &#8220;accredited investor&#8221; within
the meaning of Rule 501 of Regulation D under the Securities Act and/or (ii) not a &#8220;U.S. person&#8221; within the meaning
of Regulation S under the Securities Act.</FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 0.5in"><FONT STYLE="font-size: 11pt">5.</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-size: 11pt"><U>Solicitation</U>. The Purchaser did not contact the Grantors as a result of any general
solicitation or directed selling efforts (within the meaning of Regulation S promulgated under the Securities Act).</FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 0.5in"><FONT STYLE="font-size: 11pt">&nbsp;</FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 0.5in"><FONT STYLE="font-size: 11pt">&nbsp;</FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 0.5in"><FONT STYLE="font-size: 11pt">&nbsp;</FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin-top: 12pt; margin-bottom: 0; text-align: center"><FONT STYLE="font-size: 11pt">Exhibit <FONT STYLE="font-family: Times New Roman, Times, Serif">A</FONT>-1&nbsp;</FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 0pt"><FONT STYLE="font-size: 11pt">&nbsp;<BR STYLE="clear: both">
</FONT></P>


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<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 0.5in"><FONT STYLE="font-size: 11pt">6.</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-size: 11pt"><U>Offshore Transaction</U>. The Purchaser has been advised and acknowledges that in sale
and transfer of the Securities to the Purchaser pursuant to this Letter, the Grantors are relying upon the exemption from registration
provided by Regulation S under the Securities Act. The Purchaser acknowledges that at the time of the exercise of the Call Options,
the Purchaser was outside of the United States.</FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 0.5in"><FONT STYLE="font-size: 11pt">7.</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-size: 11pt"><U>Reliance on Exemptions</U>. The Purchaser understands that the Securities are being offered
and sold to it in reliance on specific exemptions from the registration requirements of United States federal and state securities
laws and that the Grantors are relying in part upon the truth and accuracy of, and the Purchaser&#8217;s compliance with this Investment
Representation Statement in order to determine the availability of such exemptions and the eligibility of the Purchaser to acquire
the Securities. The Purchaser acknowledges that, absent an effective registration under the Securities Act, the Securities may
only be offered, sold or otherwise transferred (i) to the Company or any subsidiary thereof, (ii) outside the United States in
accordance with Rule 904 of Regulation S under the Securities Act or (iii) pursuant to an exemption from registration under the
Securities Act.</FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 0.5in"><FONT STYLE="font-size: 11pt">8.</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-size: 11pt"><U>[No Public Market</U>. The Purchaser understands and acknowledges that no public market
now exists for the Call Options and that no assurances has been made that a public market will ever exist for the Call Options.]<SUP>1</SUP></FONT></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 0.5in"><FONT STYLE="font-size: 11pt">9.</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 7pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="font-size: 11pt"><U>No &#8220;Bad Actor&#8221; Disqualification</U>. Neither (i)&nbsp;the Purchaser nor (ii)&nbsp;any
of its directors, executive officers, other officers that may serve as a director or officer of the Company is subject to any of
the &#8220;bad actor&#8221; disqualifications described in Rule&nbsp;506(d)(1)(i) through (viii) under the Securities Act, except
as set forth in Rule&nbsp;506(d)(2)(ii) or (iii) or (d)(3) under the Securities Act and disclosed, reasonably in advance of the
purchase or acquisition of the Securities, in writing in reasonable detail to the Company.</FONT></P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0 0.5in; text-align: justify; text-indent: 0in">&nbsp;</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: center; text-indent: 0in">(<I>signature page
follows</I>)</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 0in">&nbsp;</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 0in">&nbsp;</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 0in">&nbsp;</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 0in">&nbsp;</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 0in">&nbsp;</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 0in">&nbsp;</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 0in">&nbsp;</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 0in">___________________________</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 6pt 0 0; text-align: justify; text-indent: 0in"><SUP>1</SUP> To include
if the exhibit is for transfer of Call Options.</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 6pt 0 0; text-align: justify; text-indent: 0in">&nbsp;</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 6pt 0 0; text-align: justify; text-indent: 0in">&nbsp;</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 6pt 0 0; text-align: justify; text-indent: 0in">&nbsp;</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 6pt 0 0; text-align: justify; text-indent: 0in">&nbsp;</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin-top: 6pt; margin-bottom: 0; text-align: center">Exhibit A-1</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin-top: 6pt; margin-bottom: 0; text-align: center">&nbsp;</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin-top: 6pt; margin-bottom: 0; text-align: left"></P>

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<P STYLE="font: 11pt Times New Roman, Times, Serif; margin-top: 6pt; margin-bottom: 0; text-align: left">&nbsp;</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 6pt 0 0; text-align: justify; text-indent: 0in"></P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: justify; text-indent: 0.5in">The Investor is
signing this Investment Representation Statement on the date first written above.</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: left; text-indent: 0pt">&nbsp;</P>

<P STYLE="font: 11pt Times New Roman, Times, Serif; margin: 12pt 0 0; text-align: left; text-indent: 0pt"></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 12pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: left; text-indent: 0in">PURCHASER</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; text-indent: 0in">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; text-indent: 0in">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 45%; padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="border-top: Black 1pt solid; width: 55%; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; text-indent: 0in"><I>(Print name of the Purchaser)</I></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; text-indent: 0in">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; text-indent: 0in">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="border-top: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; text-indent: 0in"><I>(Signature)</I></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; text-indent: 0in">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; text-indent: 0in">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="border-top: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; text-indent: 0in"><I>(Name and title of signatory, if applicable)</I></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; text-indent: 0in">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; text-indent: 0in">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="border-top: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; text-indent: 0in"><I>(<I>Street address</I>)</I></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; text-indent: 0in">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; text-indent: 0in">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="border-top: Black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; text-indent: 0in"><I>(<I>City, state and ZIP</I>)</I></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; text-indent: 0in">&nbsp;</TD></TR>
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<P STYLE="font: 11pt Times New Roman, Times, Serif; margin-top: 12pt; margin-bottom: 0; text-align: center">Exhibit A-1</P>

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