<SEC-DOCUMENT>0001214659-25-007872.txt : 20250515
<SEC-HEADER>0001214659-25-007872.hdr.sgml : 20250515
<ACCEPTANCE-DATETIME>20250515161524
ACCESSION NUMBER:		0001214659-25-007872
CONFORMED SUBMISSION TYPE:	SCHEDULE 13G/A
PUBLIC DOCUMENT COUNT:		2
FILED AS OF DATE:		20250515
DATE AS OF CHANGE:		20250515

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CytomX Therapeutics, Inc.
		CENTRAL INDEX KEY:			0001501989
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		ORGANIZATION NAME:           	03 Life Sciences
		EIN:				273521219
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SCHEDULE 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-89140
		FILM NUMBER:		25953332

	BUSINESS ADDRESS:	
		STREET 1:		151 OYSTER POINT BLVD.
		STREET 2:		SUITE 400
		CITY:			SOUTH SAN FRANCISCO
		STATE:			CA
		ZIP:			94080
		BUSINESS PHONE:		650.515.3185

	MAIL ADDRESS:	
		STREET 1:		151 OYSTER POINT BLVD.
		STREET 2:		SUITE 400
		CITY:			SOUTH SAN FRANCISCO
		STATE:			CA
		ZIP:			94080

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			TANG CAPITAL MANAGEMENT LLC
		CENTRAL INDEX KEY:			0001232621
		ORGANIZATION NAME:           	
		EIN:				461592449
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SCHEDULE 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		4747 EXECUTIVE DRIVE
		STREET 2:		SUITE 210
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92121
		BUSINESS PHONE:		858-200-3830

	MAIL ADDRESS:	
		STREET 1:		4747 EXECUTIVE DRIVE
		STREET 2:		SUITE 210
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92121
</SEC-HEADER>
<DOCUMENT>
<TYPE>SCHEDULE 13G/A
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
<XML>
<?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/schedule13g" xmlns:com="http://www.sec.gov/edgar/common">
  <headerData>
    <submissionType>SCHEDULE 13G/A</submissionType>
    <filerInfo>
      <filer>
        <filerCredentials>
          <!-- Field: Pseudo-Tag; ID: Name; Data: TANG CAPITAL MANAGEMENT LLC -->
          <cik>0001232621</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <liveTestFlag>LIVE</liveTestFlag>


    </filerInfo>
  </headerData>
  <formData>
    <coverPageHeader>
      <amendmentNo>4</amendmentNo>
      <securitiesClassTitle>Common Stock, par value $0.00001 per share</securitiesClassTitle>
      <eventDateRequiresFilingThisStatement>03/31/2025</eventDateRequiresFilingThisStatement>
      <issuerInfo>
        <issuerCik>0001501989</issuerCik>
        <issuerName>CytomX Therapeutics, Inc.</issuerName>
        <issuerCusip>23284F105</issuerCusip>
        <issuerPrincipalExecutiveOfficeAddress>
          <com:street1>151 Oyster Point Boulevard</com:street1>
          <com:street2>Suite 400</com:street2>
          <com:city>South San Francisco</com:city>
          <com:stateOrCountry>CA</com:stateOrCountry>
          <com:zipCode>94080</com:zipCode>
        </issuerPrincipalExecutiveOfficeAddress>
      </issuerInfo>
      <designateRulesPursuantThisScheduleFiled>
        <designateRulePursuantThisScheduleFiled>Rule 13d-1(c)</designateRulePursuantThisScheduleFiled>
      </designateRulesPursuantThisScheduleFiled>
    </coverPageHeader>
    <coverPageHeaderReportingPersonDetails>


      <reportingPersonName>TANG CAPITAL MANAGEMENT, LLC</reportingPersonName>
      <citizenshipOrOrganization>DE</citizenshipOrOrganization>
      <reportingPersonBeneficiallyOwnedNumberOfShares>
        <soleVotingPower>0.00</soleVotingPower>
        <sharedVotingPower>6717825.00</sharedVotingPower>
        <soleDispositivePower>0.00</soleDispositivePower>
        <sharedDispositivePower>6717825.00</sharedDispositivePower>
      </reportingPersonBeneficiallyOwnedNumberOfShares>
      <reportingPersonBeneficiallyOwnedAggregateNumberOfShares>6717825.00</reportingPersonBeneficiallyOwnedAggregateNumberOfShares>
      <aggregateAmountExcludesCertainSharesFlag>N</aggregateAmountExcludesCertainSharesFlag>
      <classPercent>8.4</classPercent>
      <typeOfReportingPerson>OO</typeOfReportingPerson>
      <comments>Tang Capital Management, LLC ("TCM") shares voting and dispositive power over such shares with Tang Capital Partners, LP ("TCP"), Tang Capital Partners International, LP ("TCPI") and Kevin Tang. The percentages used herein are based on 80,099,889 shares of Common Stock outstanding as of February 28, 2025, as set forth in the Issuer's Annual Report filed on Form 10-K that was filed with the Securities and Exchange Commission on March 6, 2025.</comments>
    </coverPageHeaderReportingPersonDetails>
    <coverPageHeaderReportingPersonDetails>


      <reportingPersonName>KEVIN TANG</reportingPersonName>
      <citizenshipOrOrganization>X1</citizenshipOrOrganization>
      <reportingPersonBeneficiallyOwnedNumberOfShares>
        <soleVotingPower>0.00</soleVotingPower>
        <sharedVotingPower>6717825.00</sharedVotingPower>
        <soleDispositivePower>0.00</soleDispositivePower>
        <sharedDispositivePower>6717825.00</sharedDispositivePower>
      </reportingPersonBeneficiallyOwnedNumberOfShares>
      <reportingPersonBeneficiallyOwnedAggregateNumberOfShares>6717825.00</reportingPersonBeneficiallyOwnedAggregateNumberOfShares>
      <aggregateAmountExcludesCertainSharesFlag>N</aggregateAmountExcludesCertainSharesFlag>
      <classPercent>8.4</classPercent>
      <typeOfReportingPerson>IN</typeOfReportingPerson>
      <comments>Kevin Tang shares voting and dispositive power over such shares with TCP, TCPI and TCM.</comments>
    </coverPageHeaderReportingPersonDetails>
    <coverPageHeaderReportingPersonDetails>


      <reportingPersonName>TANG CAPITAL PARTNERS, LP</reportingPersonName>
      <citizenshipOrOrganization>DE</citizenshipOrOrganization>
      <reportingPersonBeneficiallyOwnedNumberOfShares>
        <soleVotingPower>0.00</soleVotingPower>
        <sharedVotingPower>4964773.00</sharedVotingPower>
        <soleDispositivePower>0.00</soleDispositivePower>
        <sharedDispositivePower>4964773.00</sharedDispositivePower>
      </reportingPersonBeneficiallyOwnedNumberOfShares>
      <reportingPersonBeneficiallyOwnedAggregateNumberOfShares>4964773.00</reportingPersonBeneficiallyOwnedAggregateNumberOfShares>
      <aggregateAmountExcludesCertainSharesFlag>N</aggregateAmountExcludesCertainSharesFlag>
      <classPercent>6.2</classPercent>
      <typeOfReportingPerson>PN</typeOfReportingPerson>
      <comments>TCP shares voting and dispositive power over such shares with TCM and Kevin Tang.</comments>
    </coverPageHeaderReportingPersonDetails>
    <coverPageHeaderReportingPersonDetails>


      <reportingPersonName>TANG CAPITAL PARTNERS INTERNATIONAL, LP</reportingPersonName>
      <citizenshipOrOrganization>DE</citizenshipOrOrganization>
      <reportingPersonBeneficiallyOwnedNumberOfShares>
        <soleVotingPower>0.00</soleVotingPower>
        <sharedVotingPower>1753052.00</sharedVotingPower>
        <soleDispositivePower>0.00</soleDispositivePower>
        <sharedDispositivePower>1753052.00</sharedDispositivePower>
      </reportingPersonBeneficiallyOwnedNumberOfShares>
      <reportingPersonBeneficiallyOwnedAggregateNumberOfShares>1753052.00</reportingPersonBeneficiallyOwnedAggregateNumberOfShares>
      <aggregateAmountExcludesCertainSharesFlag>N</aggregateAmountExcludesCertainSharesFlag>
      <classPercent>2.2</classPercent>
      <typeOfReportingPerson>PN</typeOfReportingPerson>
      <comments>TCPI shares voting and dispositive power over such shares with TCM and Kevin Tang.</comments>
    </coverPageHeaderReportingPersonDetails>
    <coverPageHeaderReportingPersonDetails>


      <reportingPersonName>TANG CAPITAL PARTNERS III, INC</reportingPersonName>
      <citizenshipOrOrganization>NV</citizenshipOrOrganization>
      <reportingPersonBeneficiallyOwnedNumberOfShares>
        <soleVotingPower>0.00</soleVotingPower>
        <sharedVotingPower>0.00</sharedVotingPower>
        <soleDispositivePower>0.00</soleDispositivePower>
        <sharedDispositivePower>0.00</sharedDispositivePower>
      </reportingPersonBeneficiallyOwnedNumberOfShares>
      <reportingPersonBeneficiallyOwnedAggregateNumberOfShares>0.00</reportingPersonBeneficiallyOwnedAggregateNumberOfShares>
      <aggregateAmountExcludesCertainSharesFlag>N</aggregateAmountExcludesCertainSharesFlag>
      <classPercent>0.0</classPercent>
      <typeOfReportingPerson>CO</typeOfReportingPerson>
    </coverPageHeaderReportingPersonDetails>
    <coverPageHeaderReportingPersonDetails>


      <reportingPersonName>TANG CAPITAL PARTNERS IV, INC</reportingPersonName>
      <citizenshipOrOrganization>NV</citizenshipOrOrganization>
      <reportingPersonBeneficiallyOwnedNumberOfShares>
        <soleVotingPower>0.00</soleVotingPower>
        <sharedVotingPower>0.00</sharedVotingPower>
        <soleDispositivePower>0.00</soleDispositivePower>
        <sharedDispositivePower>0.00</sharedDispositivePower>
      </reportingPersonBeneficiallyOwnedNumberOfShares>
      <reportingPersonBeneficiallyOwnedAggregateNumberOfShares>0.00</reportingPersonBeneficiallyOwnedAggregateNumberOfShares>
      <aggregateAmountExcludesCertainSharesFlag>N</aggregateAmountExcludesCertainSharesFlag>
      <classPercent>0.0</classPercent>
      <typeOfReportingPerson>CO</typeOfReportingPerson>
    </coverPageHeaderReportingPersonDetails>
    <items>
      <item1>
        <issuerName>CytomX Therapeutics, Inc.</issuerName>
        <issuerPrincipalExecutiveOfficeAddress>151 Oyster Point Boulevard, Suite 400, South San Francisco, CA, 94080</issuerPrincipalExecutiveOfficeAddress>
      </item1>
      <item2>
        <filingPersonName>This Statement on Schedule 13G (this "Statement") is filed by TCM, the general partner of TCP and TCPI; Kevin Tang, the manager of TCM and Chief Executive Officer of Tang Capital Partners III, Inc. ("TCP III") and Tang Capital Partners IV, Inc. ("TCP IV"); TCP; TCPI; TCP III; and TCP IV.</filingPersonName>
        <principalBusinessOfficeOrResidenceAddress>The address of TCM, Kevin Tang, TCP and TCPI is 4747 Executive Drive, Suite 210, San Diego, CA 92121. The address of TCP III and TCP IV is 400 S. 4th Street, 3rd Floor, Las Vegas, NV 89101.</principalBusinessOfficeOrResidenceAddress>
        <citizenship>TCM is a Delaware limited liability company. Mr. Tang is a United States citizen. TCP and TCPI are Delaware limited partnerships. TCP III and TCP IV are Nevada corporations that are indirectly wholly owned by TCP.</citizenship>
      </item2>
      <item3>
        <notApplicableFlag>Y</notApplicableFlag>
      </item3>
      <item4>
        <amountBeneficiallyOwned>6,717,825</amountBeneficiallyOwned>
        <classPercent>8.4%</classPercent>
        <numberOfSharesPersonHas>
          <solePowerOrDirectToVote>0 shares</solePowerOrDirectToVote>
          <sharedPowerOrDirectToVote>6,717,825 shares</sharedPowerOrDirectToVote>
          <solePowerOrDirectToDispose>0 shares</solePowerOrDirectToDispose>
          <sharedPowerOrDirectToDispose>6,717,825 shares</sharedPowerOrDirectToDispose>
        </numberOfSharesPersonHas>
      </item4>
      <item5>
        <notApplicableFlag>Y</notApplicableFlag>
      </item5>
      <item6>
        <notApplicableFlag>Y</notApplicableFlag>
      </item6>
      <item7>
        <notApplicableFlag>Y</notApplicableFlag>
      </item7>
      <item8>
        <notApplicableFlag>Y</notApplicableFlag>
      </item8>
      <item9>
        <notApplicableFlag>Y</notApplicableFlag>
      </item9>
      <item10>
        <notApplicableFlag>N</notApplicableFlag>
        <certifications>By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11.</certifications>
      </item10>
    </items>
    <signatureInformation>
      <reportingPersonName>TANG CAPITAL MANAGEMENT, LLC</reportingPersonName>
      <signatureDetails>
        <signature>/s/ Kevin Tang</signature>
        <title>Manager</title>
        <date>05/15/2025</date>
      </signatureDetails>
    </signatureInformation>
    <signatureInformation>
      <reportingPersonName>KEVIN TANG</reportingPersonName>
      <signatureDetails>
        <signature>/s/ Kevin Tang</signature>
        <title>Self</title>
        <date>05/15/2025</date>
      </signatureDetails>
    </signatureInformation>
    <signatureInformation>
      <reportingPersonName>TANG CAPITAL PARTNERS, LP</reportingPersonName>
      <signatureDetails>
        <signature>/s/ Kevin Tang</signature>
        <title>Manager, Tang Capital Management, LLC, General Partner</title>
        <date>05/15/2025</date>
      </signatureDetails>
    </signatureInformation>
    <signatureInformation>
      <reportingPersonName>TANG CAPITAL PARTNERS INTERNATIONAL, LP</reportingPersonName>
      <signatureDetails>
        <signature>/s/ Kevin Tang</signature>
        <title>Manager, Tang Capital Management, LLC, General Partner</title>
        <date>05/15/2025</date>
      </signatureDetails>
    </signatureInformation>
    <signatureInformation>
      <reportingPersonName>TANG CAPITAL PARTNERS III, INC</reportingPersonName>
      <signatureDetails>
        <signature>/s/ Kevin Tang</signature>
        <title>Chief Executive Officer</title>
        <date>05/15/2025</date>
      </signatureDetails>
    </signatureInformation>
    <signatureInformation>
      <reportingPersonName>TANG CAPITAL PARTNERS IV, INC</reportingPersonName>
      <signatureDetails>
        <signature>/s/ Kevin Tang</signature>
        <title>Chief Executive Officer</title>
        <date>05/15/2025</date>
      </signatureDetails>
    </signatureInformation>
  </formData>

</edgarSubmission>
</XML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>ex99_1.htm
<DESCRIPTION>EXHIBIT 99.1
<TEXT>
<HTML>
<HEAD>
     <TITLE></TITLE>


</HEAD>
<BODY STYLE="font: 10pt Times New Roman, Times, Serif">

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

<P STYLE="margin: 0; text-align: right"><B>Exhibit 99.1</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>JOINT FILING AGREEMENT</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">&nbsp;</P>



<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left; text-indent: 0.25in">In
accordance with Rule&nbsp;13d-1(k)(1) promulgated under the Securities Exchange Act of 1934, the undersigned agree to the joint filing
of a Statement on Schedule&nbsp;13G (including any and all amendments thereto) with respect to the Common Stock, $0.00001 par value per
share, of CytomX Therapeutics, Inc. and further agree to the filing of this agreement as an exhibit thereto. In addition, each party
to this Agreement expressly authorizes each other party to this Agreement to file on its behalf any and all amendments to such Statement
on Schedule&nbsp;13G. amendments to such Statement on Schedule&nbsp;13G.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left; text-indent: 0.25in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%">
  <TR>
    <TD STYLE="vertical-align: top; text-align: left"> <FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Date:
    May 15, 2025</FONT> </TD>
    <TD COLSPAN="3" STYLE="text-align: left"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>TANG CAPITAL
PARTNERS, LP</B></FONT></TD>
    <TD STYLE="text-align: left">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: top; text-align: left">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: left">&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="text-align: left">&nbsp;</TD>
    <TD STYLE="vertical-align: top; text-align: left"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">By:&nbsp;&nbsp;</FONT></TD>
    <TD COLSPAN="2" STYLE="text-align: left"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Tang Capital Management, LLC &nbsp;</FONT></TD>
    <TD STYLE="text-align: left">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="text-align: left">&nbsp;</TD>
    <TD STYLE="vertical-align: top; text-align: left"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Its:&nbsp;&nbsp;</FONT></TD>
    <TD COLSPAN="2" STYLE="text-align: left"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">General Partner&nbsp;</FONT></TD>
    <TD STYLE="text-align: left">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="vertical-align: top; text-align: left">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: left">&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="text-align: left">&nbsp;</TD>
    <TD STYLE="vertical-align: top; text-align: left"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">By:&nbsp;&nbsp;</FONT></TD>
    <TD COLSPAN="2" STYLE="border-bottom: Black 1pt solid; text-align: left"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">/s/ Kevin Tang</FONT></TD>
    <TD STYLE="text-align: left">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="text-align: left; width: 46%">&nbsp;</TD>
    <TD STYLE="text-align: left; width: 7%">&nbsp;</TD>
    <TD STYLE="vertical-align: top; text-align: left; width: 7%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Name:&nbsp;&nbsp;</FONT></TD>
    <TD STYLE="text-align: left; width: 30%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Kevin Tang&nbsp;</FONT></TD>
    <TD STYLE="text-align: left; width: 10%">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="text-align: left">&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD>
    <TD STYLE="vertical-align: top; text-align: left"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Title:&nbsp;&nbsp;</FONT></TD>
    <TD STYLE="text-align: left"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Manager&nbsp;</FONT></TD>
    <TD STYLE="text-align: left">&nbsp;</TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"></P>
<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%">
  <TR>
    <TD STYLE="vertical-align: top; text-align: left"></TD>
    <TD COLSPAN="3" STYLE="text-align: left"> <FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>TANG CAPITAL
    PARTNERS INTERNATIONAL, LP</B></FONT> </TD>
    <TD STYLE="text-align: left"> &nbsp; </TD></TR>
  <TR>
    <TD STYLE="vertical-align: top; text-align: left">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: left">&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="text-align: left"> &nbsp; </TD>
    <TD STYLE="vertical-align: top; text-align: left"> <FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">By:&nbsp;&nbsp;</FONT> </TD>
    <TD COLSPAN="2" STYLE="text-align: left"> <FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Tang Capital
    Management, LLC &nbsp;</FONT> </TD>
    <TD STYLE="text-align: left"> &nbsp; </TD></TR>
  <TR>
    <TD STYLE="text-align: left"> &nbsp; </TD>
    <TD STYLE="vertical-align: top; text-align: left"> <FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Its:&nbsp;&nbsp;</FONT> </TD>
    <TD COLSPAN="2" STYLE="text-align: left"> <FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">General Partner&nbsp;</FONT> </TD>
    <TD STYLE="text-align: left"> &nbsp; </TD></TR>
  <TR>
    <TD STYLE="vertical-align: top; text-align: left">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: left">&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="text-align: left"> &nbsp; </TD>
    <TD STYLE="vertical-align: top; text-align: left"> <FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">By:&nbsp;&nbsp;</FONT> </TD>
    <TD COLSPAN="2" STYLE="border-bottom: Black 1pt solid; text-align: left"> <FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">/s/
    Kevin Tang</FONT> </TD>
    <TD STYLE="text-align: left"> &nbsp; </TD></TR>
  <TR>
    <TD STYLE="text-align: left; width: 46%"> &nbsp; </TD>
    <TD STYLE="text-align: left; width: 7%"> &nbsp; </TD>
    <TD STYLE="vertical-align: top; text-align: left; width: 7%"> <FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Name:&nbsp;&nbsp;</FONT> </TD>
    <TD STYLE="text-align: left; width: 30%"> <FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Kevin Tang&nbsp;</FONT> </TD>
    <TD STYLE="text-align: left; width: 10%"> &nbsp; </TD></TR>
  <TR>
    <TD STYLE="text-align: left"> &nbsp; </TD>
    <TD STYLE="text-align: left"> &nbsp; </TD>
    <TD STYLE="vertical-align: top; text-align: left"> <FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Title:&nbsp;&nbsp;</FONT> </TD>
    <TD STYLE="text-align: left"> <FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Manager&nbsp;</FONT> </TD>
    <TD STYLE="text-align: left"> &nbsp; </TD></TR>
  </TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%">
  <TR>
    <TD STYLE="text-align: left">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="vertical-align: top; text-align: left"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left"><B>TANG CAPITAL PARTNERS III, INC</B></P>
</TD>
    <TD STYLE="text-align: left">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="text-align: left">&nbsp;</TD>
    <TD STYLE="vertical-align: top; text-align: left">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="padding-bottom: 1pt; text-align: left">&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="text-align: left">&nbsp;</TD>
    <TD STYLE="vertical-align: top; text-align: left"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">By:&nbsp;&nbsp;</FONT></TD>
    <TD COLSPAN="2" STYLE="border-bottom: Black 1pt solid; text-align: left"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">/s/ Kevin Tang</FONT></TD>
    <TD STYLE="text-align: left">&nbsp;</TD></TR>
  <TR>
    <TD STYLE="text-align: left; width: 46%">&nbsp;</TD>
    <TD STYLE="text-align: left; width: 7%">&nbsp;</TD>
    <TD STYLE="vertical-align: top; text-align: left; width: 7%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Name:&nbsp;&nbsp;</FONT></TD>
    <TD STYLE="text-align: left; width: 30%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Kevin Tang&nbsp;</FONT></TD>
    <TD STYLE="text-align: left; width: 10%">&nbsp;</TD></TR>
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    <TD STYLE="vertical-align: top; text-align: left"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Title:&nbsp;&nbsp;</FONT></TD>
    <TD STYLE="text-align: left"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Chief Executive Officer&nbsp;</FONT></TD>
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    <TD COLSPAN="3" STYLE="vertical-align: top; text-align: left"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left"><B>TANG CAPITAL PARTNERS IV, INC</B></P>
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    <TD STYLE="vertical-align: top; text-align: left">&nbsp;</TD>
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    <TD STYLE="text-align: left">&nbsp;</TD>
    <TD STYLE="vertical-align: top; text-align: left"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">By:&nbsp;&nbsp;</FONT></TD>
    <TD COLSPAN="2" STYLE="border-bottom: Black 1pt solid; text-align: left"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">/s/ Kevin Tang</FONT></TD>
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    <TD STYLE="text-align: left; width: 7%">&nbsp;</TD>
    <TD STYLE="vertical-align: top; text-align: left; width: 7%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Name:&nbsp;&nbsp;</FONT></TD>
    <TD STYLE="text-align: left; width: 30%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Kevin Tang&nbsp;</FONT></TD>
    <TD STYLE="text-align: left; width: 10%">&nbsp;</TD></TR>
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    <TD STYLE="text-align: left">&nbsp;</TD>
    <TD STYLE="vertical-align: top; text-align: left"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Title:&nbsp;&nbsp;</FONT></TD>
    <TD STYLE="text-align: left"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Chief Executive Officer&nbsp;</FONT></TD>
    <TD STYLE="text-align: left">&nbsp;</TD></TR>
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    <TD COLSPAN="3" STYLE="vertical-align: top; text-align: left"><B>TANG CAPITAL MANAGEMENT, LLC</B></TD>
    <TD STYLE="text-align: left">&nbsp;</TD></TR>
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    <TD STYLE="vertical-align: top; text-align: left"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">By:&nbsp;&nbsp;</FONT></TD>
    <TD COLSPAN="2" STYLE="border-bottom: Black 1pt solid; text-align: left"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">/s/ Kevin Tang</FONT></TD>
    <TD STYLE="text-align: left">&nbsp;</TD></TR>
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    <TD STYLE="text-align: left; width: 46%">&nbsp;</TD>
    <TD STYLE="text-align: left; width: 7%">&nbsp;</TD>
    <TD STYLE="vertical-align: top; text-align: left; width: 7%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Name:&nbsp;&nbsp;</FONT></TD>
    <TD STYLE="text-align: left; width: 30%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Kevin Tang&nbsp;</FONT></TD>
    <TD STYLE="text-align: left; width: 10%">&nbsp;</TD></TR>
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    <TD STYLE="text-align: left">&nbsp;</TD>
    <TD STYLE="vertical-align: top; text-align: left"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Title:&nbsp;&nbsp;</FONT></TD>
    <TD STYLE="text-align: left"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Manager&nbsp;</FONT></TD>
    <TD STYLE="text-align: left">&nbsp;</TD></TR>
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    <TD COLSPAN="3" STYLE="text-align: left">&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD></TR>
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    <TD COLSPAN="3" STYLE="border-bottom: Black 1pt solid; text-align: left"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">/s/ Kevin Tang</FONT></TD>
    <TD STYLE="text-align: left">&nbsp;</TD></TR>
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    <TD STYLE="text-align: left">&nbsp;</TD>
    <TD STYLE="vertical-align: top; text-align: left"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Name:&nbsp;&nbsp;</FONT></TD>
    <TD COLSPAN="2" STYLE="text-align: left"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Kevin Tang&nbsp;</FONT></TD>
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