<SEC-DOCUMENT>0001214659-18-006019.txt : 20180913
<SEC-HEADER>0001214659-18-006019.hdr.sgml : 20180913
<ACCEPTANCE-DATETIME>20180913060349
ACCESSION NUMBER:		0001214659-18-006019
CONFORMED SUBMISSION TYPE:	SC 13D/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20180913
DATE AS OF CHANGE:		20180913
GROUP MEMBERS:		KEVIN C. TANG
GROUP MEMBERS:		TANG CAPITAL MANAGEMENT, LLC

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			HERON THERAPEUTICS, INC. /DE/
		CENTRAL INDEX KEY:			0000818033
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				942875566
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13D/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-39444
		FILM NUMBER:		181067894

	BUSINESS ADDRESS:	
		STREET 1:		4242 CAMPUS POINT COURT, SUITE 200
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92121
		BUSINESS PHONE:		6503662626

	MAIL ADDRESS:	
		STREET 1:		4242 CAMPUS POINT COURT, SUITE 200
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92121

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	AP PHARMA INC /DE/
		DATE OF NAME CHANGE:	20010511

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ADVANCED POLYMER SYSTEMS INC /DE/
		DATE OF NAME CHANGE:	19920703

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			TANG CAPITAL PARTNERS LP
		CENTRAL INDEX KEY:			0001191935
		IRS NUMBER:				680517277
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13D/A

	BUSINESS ADDRESS:	
		STREET 1:		4747 EXECUTIVE DRIVE
		STREET 2:		SUITE 510
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92121
		BUSINESS PHONE:		858-200-3830

	MAIL ADDRESS:	
		STREET 1:		4747 EXECUTIVE DRIVE
		STREET 2:		SUITE 510
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92121
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13D/A
<SEQUENCE>1
<FILENAME>r912181sc13da18.htm
<DESCRIPTION>AMENDMENT NO. 18
<TEXT>
<html>
<head>
<title>Unassociated Document</title>

</head>
<body style="DISPLAY: inline; FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt" bgcolor="#ffffff">


<div style="TEXT-ALIGN: center; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 14pt; FONT-WEIGHT: bold; MARGIN-RIGHT: 0pt"><!-- Field: Rule-Page --><div align="left" style="margin-top: 12pt; margin-bottom: 3pt"><div style="font-size: 1pt; border-top: Black 2pt solid; border-bottom: Black 1pt solid; width: 100%">&nbsp;</div></div><!-- Field: /Rule-Page -->
</div>

<div style="text-align: center; text-indent: 0pt; display: block; font: bold 14pt times new roman; margin-left: 0pt; margin-right: 0pt">UNITED
STATES</div>

<div style="TEXT-ALIGN: center; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 14pt; FONT-WEIGHT: bold; MARGIN-RIGHT: 0pt">SECURITIES
AND EXCHANGE COMMISSION</div>

<div style="TEXT-ALIGN: center; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 12pt; FONT-WEIGHT: bold; MARGIN-RIGHT: 0pt">Washington,
D.C. 20549</div>

<div style="TEXT-ALIGN: justify; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt"><br>
&#160;</div>

<div style="TEXT-ALIGN: center; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 18pt; FONT-WEIGHT: bold; MARGIN-RIGHT: 0pt">SCHEDULE
13D/A</div>

<div style="TEXT-ALIGN: center; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; FONT-WEIGHT: bold; MARGIN-RIGHT: 0pt">Under
the Securities Exchange Act of 1934</div>

<div style="TEXT-ALIGN: center; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; FONT-WEIGHT: bold; MARGIN-RIGHT: 0pt"> (Amendment
No. 18)* </div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block">&#160;</div>

<div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt">&#160;</div>

<div><table style="WIDTH: 100%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" id="z88bb18449efb403cb4c0eb1866399d74" cellspacing="0" cellpadding="0">
<tr><td style="BORDER-BOTTOM: black 2px solid; WIDTH: 80%" valign="top"><div style="TEXT-ALIGN: center; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman, serif; MARGIN-LEFT: 0pt; FONT-SIZE: 24pt; FONT-WEIGHT: bold; MARGIN-RIGHT: 0pt">Heron
                                         Therapeutics, Inc.</div>
</td>
</tr>

<tr>
<td style="WIDTH: 80%" valign="top"><div style="TEXT-ALIGN: center; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">(Name
                                    of Issuer)</div>
</td>
</tr>

<tr>
<td style="WIDTH: 80%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" valign="top">&#160;</td>
</tr>

<tr>
<td style="BORDER-BOTTOM: black 2px solid; WIDTH: 80%" valign="top"><div style="TEXT-ALIGN: center; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">Common
                                         Stock, par value $0.01 per share</div>
</td>
</tr>

<tr>
<td style="WIDTH: 80%" valign="top"><div style="TEXT-ALIGN: center; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">(Title
                                    of Class of Securities)</div>
</td>
</tr>

<tr>
<td style="WIDTH: 80%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" valign="top">&#160;</td>
</tr>

<tr>
<td style="BORDER-BOTTOM: black 2px solid; WIDTH: 80%" valign="top"><div style="TEXT-ALIGN: center; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman, serif; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">427746102</div>
</td>
</tr>

<tr>
<td style="WIDTH: 80%" valign="top"><div style="TEXT-ALIGN: center; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">(CUSIP
                                    Number)</div>
</td>
</tr>

<tr>
<td style="WIDTH: 80%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" valign="top">&#160;</td>
</tr>

<tr>
<td style="WIDTH: 80%" valign="top"><div style="TEXT-ALIGN: center; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">Kevin
                                    C. Tang</div>

<div style="TEXT-ALIGN: center; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">Tang
Capital Management, LLC</div>
</td>
</tr>

<tr>
<td style="WIDTH: 80%" valign="top"><div style="TEXT-ALIGN: center; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">4747
                                    Executive Drive, Suite 510</div>
</td>
</tr>

<tr>
<td style="WIDTH: 80%" valign="top"><div style="TEXT-ALIGN: center; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">San
                                    Diego, CA 92121</div>
</td>
</tr>

<tr>
<td style="BORDER-BOTTOM: black 2px solid; WIDTH: 80%" valign="top"><div style="TEXT-ALIGN: center; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">(858)
                                         200-3830</div>
</td>
</tr>

<tr>
<td style="WIDTH: 80%" valign="top"><div style="TEXT-ALIGN: center; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">(Name,
                                    Address and Telephone Number of Person Authorized to</div>
</td>
</tr>

<tr>
<td style="WIDTH: 80%" valign="top"><div style="TEXT-ALIGN: center; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">Receive
                                    Notices and Communications)</div>
</td>
</tr>

<tr>
<td style="WIDTH: 80%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" valign="top">&#160;</td>
</tr>

<tr style="HEIGHT: 14px">
<td style="BORDER-BOTTOM: black 2px solid; WIDTH: 80%" valign="top"><div style="TEXT-ALIGN: center; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: 'Times New Roman', Times, serif; MARGIN-LEFT: 90.7pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 90.7pt"><p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 90.7pt; text-align: center"> September
                                         12, 2018 </p>


</div>
</td>
</tr>

<tr>
<td style="WIDTH: 80%" valign="top"><div style="TEXT-ALIGN: center; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">(Date
                                    of Event which Requires Filing of this Statement)</div>
</td>
</tr>
</table>
</div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block">&#160;</div>

<div style="TEXT-ALIGN: justify; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 27pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 27pt">If
the filing person has previously filed a statement on Schedule&#160;13G to report the acquisition that is the subject of this
Schedule&#160;13D, and is filing this schedule because of &#167;&#167;240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following
box.&#160; <font style="font-family: wingdings">o</font></div>

<div style="TEXT-ALIGN: justify; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 27pt; FONT-SIZE: 10pt; FONT-WEIGHT: bold; MARGIN-RIGHT: 27pt">&#160;&#160;&#160;&#160;&#160;</div>

<div style="TEXT-ALIGN: justify; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 27pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 27pt"><b>Note</b>:&#160;&#160;Schedules
filed in paper format shall include a signed original and five copies of the schedule, including all exhibits. <i>See</i> &#167;
240.13d-7 for other parties to whom copies are to be sent.</div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block">&#160;</div>

<div style="TEXT-ALIGN: justify; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 27pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 27pt">*
The remainder of this cover page shall be filled out for a reporting person&#8217;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.</div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block">&#160;</div>

<div style="TEXT-ALIGN: justify; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 27pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 27pt">The
information required on the remainder of this cover page shall not be deemed to be &#8220;filed&#8221; for the purpose of Section
18 of the Securities Exchange Act of 1934 (&#8220;Act&#8221;) 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).</div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block">&#160;</div>

<div style="TEXT-ALIGN: center; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 27pt">(Continued
on following pages)</div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block">&#160;</div>

<div> <!-- Field: Rule-Page --><div align="left" style="margin-top: 3pt; margin-bottom: 12pt"><div style="font-size: 1pt; border-top: Black 1pt solid; border-bottom: Black 2pt solid; width: 100%">&nbsp;</div></div><!-- Field: /Rule-Page -->
</div>


<div>&#160;</div>

<div></div>

<!-- Field: Page; Sequence: 1 -->
    <DIV STYLE="margin-top: 8pt; margin-bottom: 6pt; border-bottom: Black 2px solid"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%; font-size: 10pt"><!-- Field: Sequence; Type: Arabic; Name: PageNo -->1<!-- Field: /Sequence --></TD></TR></TABLE></DIV>
    <DIV STYLE="page-break-before: always; margin-top: 6pt; margin-bottom: 8pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%">&nbsp;</TD></TR></TABLE></DIV>
    <!-- Field: /Page -->

<div>&nbsp;</div>

<div><table style="WIDTH: 100%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" id="zf00ce55caf564cfbadc2c951d825fdad" cellspacing="0" cellpadding="0">
<tr><td style="BORDER-BOTTOM: black 2px solid; WIDTH: 35%" valign="top"><div style="TEXT-ALIGN: justify; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 9pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">CUSIP
                                         NO. <b>427746102</b></div>
</td>
<td style="PADDING-BOTTOM: 2px; WIDTH: 8%" valign="top"><div style="TEXT-ALIGN: center; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; FONT-WEIGHT: bold; MARGIN-RIGHT: 0pt">&#160;</div>
</td>
<td style="PADDING-BOTTOM: 2px; WIDTH: 36%" valign="top"><div style="TEXT-ALIGN: justify; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 9pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">&#160;</div>
</td>
</tr>
</table>
</div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block">&#160;</div>

<div style="TEXT-ALIGN: left"><table style="WIDTH: 100%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" id="z961d5fca0d3642f38a7119bce5953cb2" cellspacing="0" cellpadding="3">
<tr><td style="BORDER-BOTTOM: black 2px solid; WIDTH: 6%" valign="top"><div style="TEXT-ALIGN: center; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">1.</div>
</td>
<td style="BORDER-BOTTOM: black 2px solid; WIDTH: 94%" valign="top" colspan="3"><div style="TEXT-ALIGN: justify; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 9pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">Names
                                         of Reporting Persons.</div>

<div style="TEXT-ALIGN: justify; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 9pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">I.R.S.
Identification Nos. of above persons (entities only).</div>

<div style="TEXT-ALIGN: justify; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 9pt; MARGIN-RIGHT: 0pt">&#160;</div>

<div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 9pt; FONT-SIZE: 10pt; FONT-WEIGHT: bold; MARGIN-RIGHT: 0pt">Tang
Capital Partners, LP</div>
</td>
</tr>

<tr>
<td style="BORDER-BOTTOM: black 2px solid; WIDTH: 6%" valign="top"><div style="TEXT-ALIGN: center; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">2.</div>
</td>
<td style="BORDER-BOTTOM: black 2px solid; TEXT-ALIGN: left; TEXT-INDENT: 0pt; PADDING-LEFT: 0pt; WIDTH: 94%; MARGIN-LEFT: 9pt; MARGIN-RIGHT: 0pt" valign="top" colspan="3"><div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 9pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">Check
                                         the Appropriate Box if a Member of a Group</div>

<div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 36pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">(a)
<font style="font-family: wingdings">&#168;</font></div>

<div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 36pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">(b)
<font style="font-family: wingdings">&#253;</font></div>
</td>
</tr>

<tr>
<td style="BORDER-BOTTOM: black 2px solid; WIDTH: 6%" valign="top"><div style="TEXT-ALIGN: center; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">3.</div>
</td>
<td style="BORDER-BOTTOM: black 2px solid; WIDTH: 94%" valign="top" colspan="3"><div style="TEXT-ALIGN: justify; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 9pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">SEC
                                         Use Only</div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block">&#160;</div>
</td>
</tr>

<tr>
<td style="BORDER-BOTTOM: black 2px solid; WIDTH: 6%" valign="top"><div style="TEXT-ALIGN: center; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">4.</div>
</td>
<td style="BORDER-BOTTOM: black 2px solid; WIDTH: 94%" valign="top" colspan="3"><div style="TEXT-ALIGN: justify; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 9pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">Source
                                         of Funds</div>

<div style="TEXT-ALIGN: justify; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 9pt; MARGIN-RIGHT: 0pt">&#160;</div>

<div style="TEXT-ALIGN: justify; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 9pt; FONT-SIZE: 10pt; FONT-WEIGHT: bold; MARGIN-RIGHT: 0pt">WC</div>
</td>
</tr>

<tr>
<td style="BORDER-BOTTOM: black 2px solid; WIDTH: 6%" valign="top"><div style="TEXT-ALIGN: center; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">5.</div>
</td>
<td style="BORDER-BOTTOM: black 2px solid; WIDTH: 94%" valign="top" colspan="3"><div style="TEXT-ALIGN: justify; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 9pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">Check
                                         If Disclosure of Legal Proceeding Is Required Pursuant to Items 2(d) or 2(e)</div>

<div style="TEXT-ALIGN: justify; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 9pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">&#160;&#160;&#160;&#160;&#160;&#160;&#160;
<font style="font-family: wingdings">&#168;</font></div>
</td>
</tr>

<tr>
<td style="BORDER-BOTTOM: black 2px solid; WIDTH: 6%" valign="top"><div style="TEXT-ALIGN: center; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">6.</div>
</td>
<td style="BORDER-BOTTOM: black 2px solid; WIDTH: 94%" valign="top" colspan="3"><div style="TEXT-ALIGN: justify; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 9pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">Citizenship
                                         or Place of Organization</div>

<div style="TEXT-ALIGN: justify; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 9pt; MARGIN-RIGHT: 0pt">&#160;</div>

<div style="TEXT-ALIGN: justify; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 9pt; FONT-SIZE: 10pt; FONT-WEIGHT: bold; MARGIN-RIGHT: 0pt">Delaware</div>
</td>
</tr>

<tr>
<td style="BORDER-BOTTOM: black 2px solid; WIDTH: 14%" valign="top" rowspan="4" colspan="2" align="left"><div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 9pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">Number
                                         of</div>

<div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 9pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">Shares</div>

<div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 9pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">Beneficially</div>

<div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 9pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">Owned
by</div>

<div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 9pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">Each
Reporting</div>

<div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 9pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">Person
With</div>
</td>
<td style="BORDER-BOTTOM: black 2px solid; WIDTH: 7%" valign="top"><div style="TEXT-ALIGN: center; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">7.</div>
</td>
<td style="BORDER-BOTTOM: black 2px solid; WIDTH: 79%" valign="top"><div style="TEXT-ALIGN: justify; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 9pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">Sole
                                         Voting Power</div>

<div style="TEXT-ALIGN: justify; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 9pt; FONT-SIZE: 10pt; FONT-WEIGHT: bold; MARGIN-RIGHT: 0pt">0</div>
</td>
</tr>

<tr>
<td style="BORDER-BOTTOM: black 2px solid; WIDTH: 7%" valign="top"><div style="TEXT-ALIGN: center; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">8.</div>
</td>
<td style="BORDER-BOTTOM: black 2px solid; WIDTH: 79%" valign="top"><div style="TEXT-ALIGN: justify; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 9pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">Shared
                                         Voting Power</div>

<div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: 'Times New Roman', Times, serif; MARGIN-LEFT: 45pt; FONT-SIZE: 10pt; FONT-WEIGHT: bold; MARGIN-RIGHT: 0pt"> 7,706,801 </div>
</td>
</tr>

<tr>
<td style="BORDER-BOTTOM: black 2px solid; WIDTH: 7%" valign="top"><div style="TEXT-ALIGN: center; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">9.</div>
</td>
<td style="BORDER-BOTTOM: black 2px solid; WIDTH: 79%" valign="top"><div style="TEXT-ALIGN: justify; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 9pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">Sole
                                         Dispositive Power</div>

<div style="TEXT-ALIGN: justify; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 9pt; FONT-SIZE: 10pt; FONT-WEIGHT: bold; MARGIN-RIGHT: 0pt">0</div>
</td>
</tr>

<tr>
<td style="BORDER-BOTTOM: black 2px solid; WIDTH: 7%" valign="top"><div style="TEXT-ALIGN: center; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">10.</div>
</td>
<td style="BORDER-BOTTOM: black 2px solid; WIDTH: 79%" valign="top"><div style="TEXT-ALIGN: justify; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 9pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">Shared
                                         Dispositive Power</div>

<div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 45pt; FONT-SIZE: 10pt; FONT-WEIGHT: bold; MARGIN-RIGHT: 0pt"> 7,706,801 </div>
</td>
</tr>

<tr>
<td style="BORDER-BOTTOM: black 2px solid; WIDTH: 6%" valign="top"><div style="TEXT-ALIGN: center; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">11.</div>
</td>
<td style="BORDER-BOTTOM: black 2px solid; WIDTH: 94%" valign="top" colspan="3"><div style="TEXT-ALIGN: justify; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 9pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">Aggregate
                                         Amount Beneficially Owned by Each Reporting Person</div>

<div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt"><div style="TEXT-ALIGN: justify; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; FONT-WEIGHT: bold; MARGIN-RIGHT: 0pt">&#160;</div>

<div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 45pt; FONT-SIZE: 10pt; FONT-WEIGHT: bold; MARGIN-RIGHT: 0pt"> 7,706,801 </div>
</div>
</td>
</tr>

<tr>
<td style="BORDER-BOTTOM: black 2px solid; WIDTH: 6%" valign="top"><div style="TEXT-ALIGN: center; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">12.</div>
</td>
<td style="BORDER-BOTTOM: black 2px solid; WIDTH: 94%" valign="top" colspan="3"><div style="TEXT-ALIGN: justify; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 9pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">Check
                                         if the Aggregate Amount in Row (11) Excludes Certain Shares&#160;&#160;&#160;&#160;&#160;&#160;&#160;
                                         &#160;&#160;<font style="font-family: wingdings">&#168;</font></div>

<div style="TEXT-ALIGN: justify; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 9pt; MARGIN-RIGHT: 0pt">&#160;</div>
</td>
</tr>

<tr>
<td style="BORDER-BOTTOM: black 2px solid; WIDTH: 6%" valign="top"><div style="TEXT-ALIGN: center; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">13.</div>
</td>
<td style="BORDER-BOTTOM: black 2px solid; WIDTH: 94%" valign="top" colspan="3"><div style="TEXT-ALIGN: justify; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 9pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">Percent
                                         of Class Represented by Amount in Row (11)</div>

<div style="TEXT-ALIGN: justify; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 9pt; MARGIN-RIGHT: 0pt">&#160;</div>

<div style="TEXT-ALIGN: justify; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 9pt; FONT-SIZE: 10pt; FONT-WEIGHT: bold; MARGIN-RIGHT: 0pt"> &#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;
<font style="font-family: times new roman; font-size: 10pt"><b>9.68%</b></font> </div>
</td>
</tr>

<tr>
<td style="WIDTH: 6%" valign="top"><div style="TEXT-ALIGN: center; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">14</div>
</td>
<td style="WIDTH: 94%" valign="top" colspan="3"><div style="TEXT-ALIGN: justify; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 9pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">Type
                                         of Reporting Person</div>

<div style="TEXT-ALIGN: justify; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 9pt; MARGIN-RIGHT: 0pt">&#160;</div>

<div style="TEXT-ALIGN: justify; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 9pt; FONT-SIZE: 10pt; FONT-WEIGHT: bold; MARGIN-RIGHT: 0pt">PN</div>
</td>
</tr>
</table>
</div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block">&#160;</div>

<div style="text-indent: 0pt; display: block"></div>

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<div style="text-indent: 0pt; display: block"></div>



<div style="TEXT-INDENT: 0pt; DISPLAY: block">&#160;</div>

<div><table style="WIDTH: 100%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" id="z3aa488cff3fc4328af0b1ece24d823c0" cellspacing="0" cellpadding="0">
<tr><td style="BORDER-BOTTOM: black 2px solid; WIDTH: 35%" valign="top"><div style="TEXT-ALIGN: justify; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 9pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">CUSIP
                                         NO. <b>427746102</b></div>
</td>
<td style="PADDING-BOTTOM: 2px; WIDTH: 8%" valign="top"><div style="TEXT-ALIGN: center; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; FONT-WEIGHT: bold; MARGIN-RIGHT: 0pt">&#160;</div>
</td>
<td style="PADDING-BOTTOM: 2px; WIDTH: 36%" valign="top">&#160;</td>
</tr>
</table>
</div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block">&#160;</div>

<div style="TEXT-ALIGN: left"><table style="WIDTH: 100%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" id="zbe27da88bd5c4da29b942af7b2778607" cellspacing="0" cellpadding="3">
<tr><td style="BORDER-BOTTOM: black 2px solid; WIDTH: 6%" valign="top"><div style="TEXT-ALIGN: center; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">1.</div>
</td>
<td style="BORDER-BOTTOM: black 2px solid; WIDTH: 94%" valign="top" colspan="3"><div style="TEXT-ALIGN: justify; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 9pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">Names
                                         of Reporting Persons.</div>

<div style="TEXT-ALIGN: justify; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 9pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">I.R.S.
Identification Nos. of above persons (entities only).</div>

<div style="TEXT-ALIGN: justify; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 9pt; MARGIN-RIGHT: 0pt">&#160;</div>

<div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 9pt; FONT-SIZE: 10pt; FONT-WEIGHT: bold; MARGIN-RIGHT: 0pt">Tang
Capital Management, LLC</div>
</td>
</tr>

<tr>
<td style="BORDER-BOTTOM: black 2px solid; WIDTH: 6%" valign="top"><div style="TEXT-ALIGN: center; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">2.</div>
</td>
<td style="BORDER-BOTTOM: black 2px solid; WIDTH: 94%" valign="top" colspan="3"><div style="TEXT-ALIGN: justify; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 9pt; MARGIN-RIGHT: 0pt"><div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">Check
                                         the Appropriate Box if a Member of a Group</div>

<div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 27pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">(a)
<font style="font-family: wingdings">&#168;</font></div>

<div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 27pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">(b)
<font style="font-family: wingdings">&#253;</font></div>
</div>
</td>
</tr>

<tr>
<td style="BORDER-BOTTOM: black 2px solid; WIDTH: 6%" valign="top"><div style="TEXT-ALIGN: center; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">3.</div>
</td>
<td style="BORDER-BOTTOM: black 2px solid; WIDTH: 94%" valign="top" colspan="3"><div style="TEXT-ALIGN: justify; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 9pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">SEC
                                         Use Only</div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block">&#160;</div>
</td>
</tr>

<tr>
<td style="BORDER-BOTTOM: black 2px solid; WIDTH: 6%" valign="top"><div style="TEXT-ALIGN: center; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">4.</div>
</td>
<td style="BORDER-BOTTOM: black 2px solid; WIDTH: 94%" valign="top" colspan="3"><div style="TEXT-ALIGN: justify; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 9pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">Source
                                         of Funds</div>

<div style="TEXT-ALIGN: justify; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 9pt; MARGIN-RIGHT: 0pt">&#160;</div>

<div style="TEXT-ALIGN: justify; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 9pt; FONT-SIZE: 10pt; FONT-WEIGHT: bold; MARGIN-RIGHT: 0pt">WC</div>
</td>
</tr>

<tr>
<td style="BORDER-BOTTOM: black 2px solid; WIDTH: 6%" valign="top"><div style="TEXT-ALIGN: center; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">5.</div>
</td>
<td style="BORDER-BOTTOM: black 2px solid; WIDTH: 94%" valign="top" colspan="3"><div style="TEXT-ALIGN: justify; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 9pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">Check
                                         If Disclosure of Legal Proceeding Is Required Pursuant to Items 2(d) or 2(e)</div>

<div style="TEXT-ALIGN: justify; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 9pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">&#160;&#160;&#160;&#160;&#160;&#160;&#160;
&#160;&#160;&#160;&#160;&#160;<font style="font-family: wingdings">&#168;</font></div>
</td>
</tr>

<tr>
<td style="BORDER-BOTTOM: black 2px solid; WIDTH: 6%" valign="top"><div style="TEXT-ALIGN: center; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">6.</div>
</td>
<td style="BORDER-BOTTOM: black 2px solid; WIDTH: 94%" valign="top" colspan="3"><div style="TEXT-ALIGN: justify; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 9pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">Citizenship
                                         or Place of Organization</div>

<div style="TEXT-ALIGN: justify; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 9pt; MARGIN-RIGHT: 0pt">&#160;</div>

<div style="TEXT-ALIGN: justify; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 9pt; FONT-SIZE: 10pt; FONT-WEIGHT: bold; MARGIN-RIGHT: 0pt">Delaware</div>
</td>
</tr>

<tr>
<td style="BORDER-BOTTOM: black 2px solid; WIDTH: 14%" valign="top" rowspan="4" colspan="2" align="left"><div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 9pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">Number
                                         of</div>

<div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 9pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">Shares</div>

<div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 9pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">Beneficially</div>

<div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 9pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">Owned
by</div>

<div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 9pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">Each
Reporting</div>

<div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 9pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">Person
With</div>
</td>
<td style="BORDER-BOTTOM: black 2px solid; WIDTH: 7%" valign="top"><div style="TEXT-ALIGN: center; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">7.</div>
</td>
<td style="BORDER-BOTTOM: black 2px solid; TEXT-ALIGN: left; TEXT-INDENT: 0pt; PADDING-LEFT: 0pt; WIDTH: 79%; MARGIN-LEFT: 446pt; MARGIN-RIGHT: 0pt" valign="top"><div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 9pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">Sole
                                         Voting Power</div>

<div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 9pt; FONT-SIZE: 10pt; FONT-WEIGHT: bold; MARGIN-RIGHT: 0pt">0</div>
</td>
</tr>

<tr>
<td style="BORDER-BOTTOM: black 2px solid; WIDTH: 7%" valign="top"><div style="TEXT-ALIGN: center; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">8.</div>
</td>
<td style="BORDER-BOTTOM: black 2px solid; PADDING-LEFT: 0pt; WIDTH: 79%; MARGIN-LEFT: 446pt" valign="top"><div style="TEXT-ALIGN: justify; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 9pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">Shared
                                         Voting Power</div>

<div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 45pt; FONT-SIZE: 10pt; FONT-WEIGHT: bold; MARGIN-RIGHT: 0pt"> 7,706,801 </div>
</td>
</tr>

<tr>
<td style="BORDER-BOTTOM: black 2px solid; WIDTH: 7%" valign="top"><div style="TEXT-ALIGN: center; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">9.</div>
</td>
<td style="BORDER-BOTTOM: black 2px solid; TEXT-ALIGN: left; TEXT-INDENT: 0pt; PADDING-LEFT: 0pt; WIDTH: 79%; MARGIN-LEFT: 446pt; MARGIN-RIGHT: 0pt" valign="top"><div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 9pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">Sole
                                         Dispositive Power</div>

<div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 9pt; FONT-SIZE: 10pt; FONT-WEIGHT: bold; MARGIN-RIGHT: 0pt">0</div>
</td>
</tr>

<tr>
<td style="BORDER-BOTTOM: black 2px solid; WIDTH: 7%" valign="top"><div style="TEXT-ALIGN: center; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">10.</div>
</td>
<td style="BORDER-BOTTOM: black 2px solid; PADDING-LEFT: 0pt; WIDTH: 79%; MARGIN-LEFT: 446pt" valign="top"><div style="TEXT-ALIGN: justify; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 9pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">Shared
                                         Dispositive Power</div>

<div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 45pt; FONT-SIZE: 10pt; FONT-WEIGHT: bold; MARGIN-RIGHT: 0pt"> 7,706,801 </div>
</td>
</tr>

<tr>
<td style="BORDER-BOTTOM: black 2px solid; WIDTH: 6%" valign="top"><div style="TEXT-ALIGN: center; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">11.</div>
</td>
<td style="BORDER-BOTTOM: black 2px solid; WIDTH: 94%" valign="top" colspan="3"><div style="TEXT-ALIGN: justify; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 9pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">Aggregate
                                         Amount Beneficially Owned by Each Reporting Person</div>

<div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt"><div style="TEXT-ALIGN: justify; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; FONT-WEIGHT: bold; MARGIN-RIGHT: 0pt">&#160;</div>

<div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 45pt; FONT-SIZE: 10pt; FONT-WEIGHT: bold; MARGIN-RIGHT: 0pt"> 7,706,801 </div>
</div>
</td>
</tr>

<tr>
<td style="BORDER-BOTTOM: black 2px solid; WIDTH: 6%" valign="top"><div style="TEXT-ALIGN: center; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">12.</div>
</td>
<td style="BORDER-BOTTOM: black 2px solid; WIDTH: 94%" valign="top" colspan="3"><div style="TEXT-ALIGN: justify; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 9pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">Check
                                         if the Aggregate Amount in Row (11) Excludes Certain Shares&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;<font style="font-family: wingdings">&#168;</font></div>

<div style="TEXT-ALIGN: justify; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 9pt; MARGIN-RIGHT: 0pt">&#160;</div>
</td>
</tr>

<tr>
<td style="BORDER-BOTTOM: black 2px solid; WIDTH: 6%" valign="top"><div style="TEXT-ALIGN: center; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">13.</div>
</td>
<td style="BORDER-BOTTOM: black 2px solid; WIDTH: 94%" valign="top" colspan="3"><div style="TEXT-ALIGN: justify; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 9pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">Percent
                                         of Class Represented by Amount in Row (11)</div>

<div style="TEXT-ALIGN: justify; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 9pt; MARGIN-RIGHT: 0pt">&#160;</div>

<div style="TEXT-ALIGN: justify; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 9pt; FONT-SIZE: 10pt; FONT-WEIGHT: bold; MARGIN-RIGHT: 0pt">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;
<font style="font-family: times new roman; font-size: 10pt"><b>9.68%</b></font> </div>
</td>
</tr>

<tr>
<td style="WIDTH: 6%" valign="top"><div style="TEXT-ALIGN: center; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">14</div>
</td>
<td style="WIDTH: 94%" valign="top" colspan="3"><div style="TEXT-ALIGN: justify; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 9pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">Type
                                         of Reporting Person</div>

<div style="TEXT-ALIGN: justify; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 9pt; MARGIN-RIGHT: 0pt">&#160;</div>

<div style="TEXT-ALIGN: justify; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 9pt; FONT-SIZE: 10pt; FONT-WEIGHT: bold; MARGIN-RIGHT: 0pt">OO</div>
</td>
</tr>
</table>
</div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block">&#160;</div>

<div style="text-indent: 0pt; display: block"></div>

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<div style="text-indent: 0pt; display: block"></div>



<div style="TEXT-INDENT: 0pt; DISPLAY: block">&#160;</div>

<div><table style="WIDTH: 100%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" id="z8707baa6bb29496fa76c1e21807a511c" cellspacing="0" cellpadding="0">
<tr><td style="BORDER-BOTTOM: black 2px solid; WIDTH: 35%" valign="top"><div style="TEXT-ALIGN: justify; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 9pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">CUSIP
                                         NO. <b>427746102</b></div>
</td>
<td style="PADDING-BOTTOM: 2px; WIDTH: 8%" valign="top"><div style="TEXT-ALIGN: center; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; FONT-WEIGHT: bold; MARGIN-RIGHT: 0pt">&#160;</div>
</td>
<td style="PADDING-BOTTOM: 2px; WIDTH: 35%" valign="top">&#160;</td>
</tr>
</table>
</div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block">&#160;</div>

<div style="TEXT-ALIGN: left"><table style="WIDTH: 100%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" id="z2785e0aeee554d8690933111cb1338e6" cellspacing="0" cellpadding="3">
<tr style="HEIGHT: 70px"><td style="BORDER-BOTTOM: black 2px solid; WIDTH: 6%" valign="top"><div style="TEXT-ALIGN: center; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">1.</div>
</td>
<td style="BORDER-BOTTOM: black 2px solid; WIDTH: 94%" valign="top" colspan="3"><div style="TEXT-ALIGN: justify; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 9pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">Names
                                         of Reporting Persons.</div>

<div style="TEXT-ALIGN: justify; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 9pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">I.R.S.
Identification Nos. of above persons (entities only).</div>

<div style="TEXT-ALIGN: justify; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 9pt; MARGIN-RIGHT: 0pt">&#160;</div>

<div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 9pt; FONT-SIZE: 10pt; FONT-WEIGHT: bold; MARGIN-RIGHT: 0pt">Kevin
C. Tang</div>
</td>
</tr>

<tr>
<td style="BORDER-BOTTOM: black 2px solid; WIDTH: 6%" valign="top"><div style="TEXT-ALIGN: center; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">2.</div>
</td>
<td style="BORDER-BOTTOM: black 2px solid; WIDTH: 94%" valign="top" colspan="3"><div style="TEXT-ALIGN: justify; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 9pt; MARGIN-RIGHT: 0pt"><div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">Check
                                         the Appropriate Box if a Member of a Group</div>

<div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 27pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">(a)
<font style="font-family: wingdings">&#168;</font></div>

<div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 27pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">(b)
<font style="font-family: wingdings">&#253;</font></div>
</div>
</td>
</tr>

<tr>
<td style="BORDER-BOTTOM: black 2px solid; WIDTH: 6%" valign="top"><div style="TEXT-ALIGN: center; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">3.</div>
</td>
<td style="BORDER-BOTTOM: black 2px solid; WIDTH: 94%" valign="top" colspan="3"><div style="TEXT-ALIGN: justify; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 9pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">SEC
                                         Use Only</div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block">&#160;</div>
</td>
</tr>

<tr>
<td style="BORDER-BOTTOM: black 2px solid; WIDTH: 6%" valign="top"><div style="TEXT-ALIGN: center; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">4.</div>
</td>
<td style="BORDER-BOTTOM: black 2px solid; WIDTH: 94%" valign="top" colspan="3"><div style="TEXT-ALIGN: justify; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 9pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">Source
                                         of Funds</div>

<div style="TEXT-ALIGN: justify; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 9pt; MARGIN-RIGHT: 0pt">&#160;</div>

<div style="TEXT-ALIGN: justify; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 9pt; FONT-SIZE: 10pt; FONT-WEIGHT: bold; MARGIN-RIGHT: 0pt">PF,
WC, OO</div>
</td>
</tr>

<tr>
<td style="BORDER-BOTTOM: black 2px solid; WIDTH: 6%" valign="top"><div style="TEXT-ALIGN: center; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">5.</div>
</td>
<td style="BORDER-BOTTOM: black 2px solid; WIDTH: 94%" valign="top" colspan="3"><div style="TEXT-ALIGN: justify; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 9pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">Check
                                         If Disclosure of Legal Proceeding Is Required Pursuant to Items 2(d) or 2(e)</div>

<div style="TEXT-ALIGN: justify; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 9pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">&#160;&#160;&#160;&#160;&#160;&#160;&#160;
<font style="font-family: wingdings">&#168;</font></div>
</td>
</tr>

<tr>
<td style="BORDER-BOTTOM: black 2px solid; WIDTH: 6%" valign="top"><div style="TEXT-ALIGN: center; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">6.</div>
</td>
<td style="BORDER-BOTTOM: black 2px solid; WIDTH: 94%" valign="top" colspan="3"><div style="TEXT-ALIGN: justify; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 9pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">Citizenship
                                         or Place of Organization</div>

<div style="TEXT-ALIGN: justify; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 9pt; MARGIN-RIGHT: 0pt">&#160;</div>

<div style="TEXT-ALIGN: justify; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 9pt; FONT-SIZE: 10pt; FONT-WEIGHT: bold; MARGIN-RIGHT: 0pt">United
States</div>
</td>
</tr>

<tr>
<td style="BORDER-BOTTOM: black 2px solid; WIDTH: 14%" valign="top" rowspan="4" colspan="2" align="left"><div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 9pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">Number
                                         of</div>

<div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 9pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">Shares</div>

<div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 9pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">Beneficially</div>

<div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 9pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">Owned
by</div>

<div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 9pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">Each
Reporting</div>

<div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 9pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">Person
With</div>
</td>
<td style="BORDER-BOTTOM: black 2px solid; WIDTH: 7%" valign="top"><div style="TEXT-ALIGN: center; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">7.</div>
</td>
<td style="BORDER-BOTTOM: black 2px solid; WIDTH: 79%" valign="top"><div style="TEXT-ALIGN: justify; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 9pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">Sole
                                         Voting Power</div>

<div style="TEXT-ALIGN: justify; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 45pt; FONT-SIZE: 10pt; FONT-WEIGHT: bold; MARGIN-RIGHT: 0pt"> 260,277 </div>
</td>
</tr>

<tr>
<td style="BORDER-BOTTOM: black 2px solid; WIDTH: 7%" valign="top"><div style="TEXT-ALIGN: center; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">8.</div>
</td>
<td style="BORDER-BOTTOM: black 2px solid; WIDTH: 79%" valign="top"><div style="TEXT-ALIGN: justify; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 9pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">Shared
                                         Voting Power</div>

<div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 45pt; FONT-SIZE: 10pt; FONT-WEIGHT: bold; MARGIN-RIGHT: 0pt"> 7,706,801 </div>
</td>
</tr>

<tr style="HEIGHT: 35px">
<td style="BORDER-BOTTOM: black 2px solid; WIDTH: 7%" valign="top"><div style="TEXT-ALIGN: center; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">9.</div>
</td>
<td style="BORDER-BOTTOM: black 2px solid; WIDTH: 79%" valign="top"><div style="TEXT-ALIGN: justify; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 9pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">Sole
                                         Dispositive Power</div>

<div style="TEXT-ALIGN: justify; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 45pt; FONT-SIZE: 10pt; FONT-WEIGHT: bold; MARGIN-RIGHT: 0pt"> 260,277 </div>
</td>
</tr>

<tr>
<td style="BORDER-BOTTOM: black 2px solid; WIDTH: 7%" valign="top"><div style="TEXT-ALIGN: center; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">10.</div>
</td>
<td style="BORDER-BOTTOM: black 2px solid; WIDTH: 79%" valign="top"><div style="TEXT-ALIGN: justify; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 9pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">Shared
                                         Dispositive Power</div>

<div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 45pt; FONT-SIZE: 10pt; FONT-WEIGHT: bold; MARGIN-RIGHT: 0pt"> 7,706,801 </div>
</td>
</tr>

<tr>
<td style="BORDER-BOTTOM: black 2px solid; WIDTH: 6%" valign="top"><div style="TEXT-ALIGN: center; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">11.</div>
</td>
<td style="BORDER-BOTTOM: black 2px solid; WIDTH: 94%" valign="top" colspan="3"><div style="TEXT-ALIGN: justify; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 9pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">Aggregate
                                         Amount Beneficially Owned by Each Reporting Person</div>

<div style="TEXT-ALIGN: justify; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 9pt; MARGIN-RIGHT: 0pt">&#160;</div>

<div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 45pt; FONT-SIZE: 10pt; FONT-WEIGHT: bold; MARGIN-RIGHT: 0pt"> 7,967,078 </div>
</td>
</tr>

<tr>
<td style="BORDER-BOTTOM: black 2px solid; WIDTH: 6%" valign="top"><div style="TEXT-ALIGN: center; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">12.</div>
</td>
<td style="BORDER-BOTTOM: black 2px solid; WIDTH: 94%" valign="top" colspan="3"><div style="TEXT-ALIGN: justify; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 9pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">Check
                                         if the Aggregate Amount in Row (11) Excludes Certain Shares&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;<font style="font-family: wingdings">&#168;</font></div>

<div style="TEXT-ALIGN: justify; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 9pt; MARGIN-RIGHT: 0pt">&#160;</div>
</td>
</tr>

<tr>
<td style="BORDER-BOTTOM: black 2px solid; WIDTH: 6%" valign="top"><div style="TEXT-ALIGN: center; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">13.</div>
</td>
<td style="BORDER-BOTTOM: black 2px solid; WIDTH: 94%" valign="top" colspan="3"><div style="TEXT-ALIGN: justify; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 9pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">Percent
                                         of Class Represented by Amount in Row (11)</div>

<div style="TEXT-ALIGN: justify; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 9pt; MARGIN-RIGHT: 0pt">&#160;</div>

<div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 9pt; FONT-SIZE: 10pt; FONT-WEIGHT: bold; MARGIN-RIGHT: 0pt">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; 9.99% </div>
</td>
</tr>

<tr style="HEIGHT: 48px">
<td style="WIDTH: 6%" valign="top"><div style="TEXT-ALIGN: center; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">14</div>
</td>
<td style="WIDTH: 94%" valign="top" colspan="3"><div style="TEXT-ALIGN: justify; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 9pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">Type
                                         of Reporting Person</div>

<div style="TEXT-ALIGN: justify; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 9pt; MARGIN-RIGHT: 0pt">&#160;</div>

<div style="TEXT-ALIGN: justify; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 9pt; FONT-SIZE: 10pt; FONT-WEIGHT: bold; MARGIN-RIGHT: 0pt">IN</div>
</td>
</tr>
</table>
</div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block">&#160;</div>

<div style="text-indent: 0pt; display: block"></div>

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<div style="text-indent: 0pt; display: block">&nbsp;</div>

<div style="TEXT-ALIGN: left; TEXT-INDENT: 36pt; FONT-FAMILY: 'Times New Roman', Times, serif; FONT-SIZE: 10pt"> <font style="font-family: Times New Roman, Times, serif; font-size: 10pt"><b>Explanatory
Note</b></font>: This Amendment No. 18 relates to and amends the Statement of Beneficial Ownership on Schedule 13D/A of Tang
Capital Partners, LP, a Delaware limited partnership, Tang Capital Management, LLC, a Delaware limited liability company, and
Kevin C. Tang, a United States citizen (each, a &ldquo;Reporting Person&rdquo; and collectively, the
&ldquo;Reporting Persons&rdquo;), initially filed jointly by the Reporting Persons with the U.S. Securities and Exchange
Commission (&ldquo;SEC&rdquo;) on October 14, 2008 and amended on November 10, 2008, November 24, 2008, December 29, 2008,
February 18, 2009, October 26, 2009, June 3, 2010, May 3, 2011, July 7, 2011, May 11, 2012, July 30, 2012, May 9, 2013,
November 22, 2013, June 27, 2014, June 12, 2015, April 14, 2016, August 10, 2016 and January 24, 2017 (as amended, the
&ldquo;Statement&rdquo;), with respect to the Common Stock, $0.01 par value (the &ldquo;Common Stock&rdquo;), of Heron
Therapeutics, Inc., a Delaware corporation (the &ldquo;Issuer&rdquo; or &ldquo;Company&rdquo;). </div>

<div>&#160;</div>

<div style="TEXT-ALIGN: left; TEXT-INDENT: 36pt; FONT-FAMILY: 'Times New Roman', Times, serif; FONT-SIZE: 10pt"> Items 3, 5,
6 and 7 of the Statement are hereby amended to the extent herein after expressly set forth. All capitalized terms used and not
expressly defined herein have the respective meanings ascribed to such terms in the Statement. </div>

<div>&#160;</div>


<div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt"><pre style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold">Item&nbsp;3.&nbsp;Source and Amount of Funds or Other Consideration</pre>
</div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block"><div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt"><div style="TEXT-ALIGN: left; TEXT-INDENT: 36pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">&#160;</div>

<div style="TEXT-ALIGN: left; TEXT-INDENT: 36pt; DISPLAY: block; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">Item 3 of the
Statement is hereby amended to add the following:</div>

<div style="TEXT-ALIGN: left; DISPLAY: block; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">&#160;</div>

<div style="TEXT-ALIGN: left; DISPLAY: block; FONT-FAMILY: times new roman; FONT-SIZE: 10pt"><div style="TEXT-ALIGN: left; TEXT-INDENT: 36pt; FONT-FAMILY: 'Times New Roman', Times, serif; FONT-SIZE: 10pt"> Tang
                                         Capital Partners, LP received $73,289, $74,388, $75,504, $76,636, $77,786 and $78,953
                                         principal amount of senior secured convertible notes due 2021 (the &ldquo;Notes&rdquo;)
                                         on April 1, 2017, July 1, 2017, October 1, 2017, January 1, 2018, April 1, 2018 and July
                                         1, 2018, respectively, as interest in-kind on the existing Notes held by Tang Capital
                                         Partners, LP. </div>

<div>&#160;</div>

<div style="TEXT-ALIGN: left; DISPLAY: block; FONT-FAMILY: times new roman; FONT-SIZE: 10pt"><div style="TEXT-ALIGN: left; TEXT-INDENT: 36pt; FONT-FAMILY: 'Times New Roman', Times, serif; FONT-SIZE: 10pt"> On
                                         December 21, 2017, the Issuer granted to Kevin C. Tang stock options to purchase an aggregate
                                         of 17,000 shares of Common Stock at an exercise price of $17.00 per share. The stock
                                         options were granted in connection with Mr. Tang&rsquo;s service on the Issuer&rsquo;s
                                         Board of Directors and vest monthly over a one-year period. </div>

<div>&#160;</div>

<div><p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"> On March 29, 2018, Tang Capital Partners, LP purchased
     192,308 shares of Common Stock through an underwritten public offering at a price of $26.00 per share. </p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"> &nbsp; </p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"> On September 12, 2018, Tang Capital Partners, LP sold 2,695,000 shares of Common Stock at a price of $35.75 per share. </p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 9.9pt 0pt 5.95pt; text-indent: 0.5in"> &nbsp; </p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"> Tang <font style="font-family: Times New Roman, Times, Serif; font-size: 10pt">Capital Partners, LP
maintains commingled accounts with various financial institutions, which may extend margin credit to Tang Capital Partners, LP
as and when required to open or carry positions in the margin accounts, subject to applicable federal margin regulations, stock
exchange rules and credit policies. In such instances, the positions held in the margin accounts are pledged as collateral security
for the repayment of debit balances in these accounts. The margin accounts may from time to time have debit balances. Since other
securities are held in the margin accounts, it is not possible to determine the amounts, if any, of margin used to purchase the
securities reported herein.</font> </p>


</div>

<div></div>



<div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt"><div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt">&#160;</div>


<div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt"><table style="WIDTH: 100%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" id="hangingindent" border="0" cellspacing="0" cellpadding="0">
<tr valign="top"><td style="WIDTH: 45pt" align="right"><div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; FONT-WEIGHT: bold; MARGIN-RIGHT: 0pt">Item
                                         5.</div>
</td>
<td align="left"><div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; FONT-WEIGHT: bold; MARGIN-RIGHT: 0pt">Interest
                 in Securities of the Issuer</div>
</td>
</tr>
</table>
</div>
</div>
</div>

<div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt">&#160;</div>

<div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: Times New Roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt"></div>

<div style="TEXT-ALIGN: left; TEXT-INDENT: 36pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">Item
5 of the Statement is hereby amended and restated in its entirety as follows:</div>

<div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: Times New Roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">&#160;</div>

<div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt"><table style="WIDTH: 100%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" id="zb22649f29e54405b8a2d5614a828d830" cellspacing="0" cellpadding="0">
<tr><td style="WIDTH: 2.48%; WHITE-SPACE: nowrap; VERTICAL-ALIGN: top"><div style="TEXT-ALIGN: justify; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">(a)&#160;&#160;&#160;&#160;&#160;
                                         &#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;</div>
</td>
<td style="WIDTH: 97.52%" valign="top" colspan="2" align="left"><div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt; TEXT-DECORATION: underline">Amount
                                         beneficially owned and percentage of class:</div>
</td>
</tr>

<tr>
<td style="WIDTH: 100%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" valign="top" colspan="3" align="left">&#160;</td>
</tr>

<tr>
<td style="WIDTH: 2.48%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" valign="top" align="left">&#160;</td>
<td style="WIDTH: 1%" valign="top" align="left"><div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; FONT-WEIGHT: bold; MARGIN-RIGHT: 0pt">Tang
                                         Capital Partners, LP</div>
</td>
<td style="WIDTH: 95.94%" valign="top" align="left"><div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: 'Times New Roman', Times, serif; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; FONT-WEIGHT: bold; MARGIN-RIGHT: 0pt"> 7,706,801 shares, representing 9.68% of the class </div>
</td>
</tr>

<tr>
<td style="WIDTH: 2.48%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" valign="top" align="left">&#160;</td>
<td style="TEXT-ALIGN: left; WIDTH: 1%; WHITE-SPACE: nowrap; VERTICAL-ALIGN: top"><div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; FONT-WEIGHT: bold; MARGIN-RIGHT: 0pt">Tang
                                         Capital Management, LLC&#160;&#160;&#160;&#160;&#160;&#160;&#160;</div>
</td>
<td style="WIDTH: 95.94%" valign="top" align="left"><div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; FONT-WEIGHT: bold; MARGIN-RIGHT: 0pt">
                                         <div style="TEXT-ALIGN: left; FONT-FAMILY: 'Times New Roman', Times, serif; FONT-SIZE: 10pt"> 7,706,801 shares, representing 9.68% of the class </div>
</div>
</td>
</tr>

<tr>
<td style="WIDTH: 2.48%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" valign="top" align="left">&#160;</td>
<td style="WIDTH: 1%" valign="top" align="left"><div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; FONT-WEIGHT: bold; MARGIN-RIGHT: 0pt">Kevin
                                         C. Tang</div>
</td>
<td style="WIDTH: 95.94%" valign="top" align="left"><div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; FONT-WEIGHT: bold; MARGIN-RIGHT: 0pt"><div style="TEXT-ALIGN: left; FONT-FAMILY: 'Times New Roman', Times, serif; FONT-SIZE: 10pt"> 7,967,078 shares, representing 9.99% of the class </div>
</div>
</td>
</tr>
</table>
</div>

<div style="TEXT-ALIGN: center; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt"><table style="WIDTH: 100%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" id="hangingindent" border="0" cellspacing="0" cellpadding="0"></table></div>

<div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt">&nbsp;</div>
<div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt"><div style="TEXT-ALIGN: left; TEXT-INDENT: 36pt; FONT-FAMILY: 'Times New Roman', Times, serif; FONT-SIZE: 10pt; MARGIN-RIGHT: 8pt"> Tang Capital Partners, LP is the beneficial owner of 7,706,801 shares of Common Stock, including 937,500 shares of Common
Stock held by Tang Holdings, comprising: (i) the 5,830,215 shares beneficially owned by Tang Capital Partners, LP; and (ii)
1,876,586 shares currently issuable upon conversion of the Notes. Tang Capital Partners, LP shares voting and dispositive
power over such shares with Tang Capital Management, LLC and Kevin C. Tang. </div>
					 <div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt">&nbsp;</div>
<div style="text-align: left; text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt"></div></div></div></div>

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<div style="text-indent: 0pt; display: block">&nbsp;</div>



<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 10.25pt 0pt 0; text-indent: 0in">&nbsp;</p>



<p style="font: 10pt Times New Roman, Times, Serif; margin: 0 10.25pt 0 0; text-indent: 0.5in"> <font style="letter-spacing: -0.05pt">Tang
Capital Partners, LP is the record owner of $5,342,468 principal amount of Notes, which may be converted into Common Stock at a
conversion rate of 1,250 shares per $1,000 principal amount of Notes, subject to certain limitations discussed below. Tang Capital
Partners, LP has no right to convert the Notes to the extent that after giving effect to such conversion Tang </font>Capital <font style="letter-spacing: -0.05pt">Partners,
LP (together with its affiliates) would beneficially own in excess of the Maximum Percentage, which is currently set at 9.99%,</font>
of <font style="letter-spacing: -0.05pt">the number</font> of <font style="letter-spacing: -0.05pt">shares of Common Stock of the
Company outstanding immediately after giving effect to such conversion. Tang Capital Partners, LP can increase or decrease the
Maximum Percentage for its Notes</font> by <font style="letter-spacing: -0.05pt">written notice to the Company, provided that such
increase or decrease will</font> not be <font style="letter-spacing: -0.05pt">effective until</font> 61 <font style="letter-spacing: -0.05pt">days
after delivery of the notice. The foregoing limitations remain in effect with respect to such Notes, and, accordingly, only </font><font style="letter-spacing: 0.05pt">1,876,586
</font><font style="letter-spacing: -0.05pt">shares are currently issuable upon conversion </font>of <font style="letter-spacing: -0.05pt">such
Notes.</font> </p>





<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 10.25pt 0pt 0; text-indent: 0in">&nbsp;</p>





<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 10.25pt 0pt 0; text-indent: 0.5in"> Tang Capital Management,
LLC, as the general partner of Tang Capital Partners, LP, may be deemed to beneficially own the 7,706,801 shares of Common Stock
beneficially owned by Tang Capital Partners, LP. Tang Capital Management, LLC shares voting and dispositive power over such shares
with Tang Capital Partners, LP and Kevin C. Tang. </p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0 8.05pt 0 0; text-indent: 0.5in"> <font style="letter-spacing: -0.05pt">Kevin
C. Tang is the beneficial owner </font>of <font style="letter-spacing: -0.05pt">7,967,078 shares </font>of <font style="letter-spacing: -0.05pt">Common
Stock, comprising: (i) the </font><font style="letter-spacing: 0.05pt">7,706,801 </font><font style="letter-spacing: -0.05pt">shares
beneficially owned </font>by <font style="letter-spacing: -0.05pt">Tang Capital Partners, LP; (ii) 139,666 shares issuable upon
exercise</font> of <font style="letter-spacing: -0.05pt">options held </font>by <font style="letter-spacing: -0.05pt">Kevin C.
Tang that are exercisable within 60 days</font> of <font style="letter-spacing: -0.05pt">this Statement; (iii) 99,323 shares held</font>
by <font style="letter-spacing: -0.05pt">the Kevin C. Tang Foundation, Inc.; (iv) 6,575 shares owned by Kevin C. Tang&rsquo;s minor
children under the Uniform Transfers to Minors Act, for which Kevin C. Tang serves as trustee; (v) 5,732 shares held</font> by
<font style="letter-spacing: -0.05pt">the Kevin C. Tang Family Trust, for which Kevin C. Tang serves </font>as <font style="letter-spacing: -0.05pt">trustee;
(vi) 4,794 shares owned directly </font>by <font style="letter-spacing: -0.05pt">Kevin C. Tang; (vii) 2,147 shares held</font>
by <font style="letter-spacing: -0.05pt">Kevin C. Tang&rsquo;s Individual Retirement Account; and (viii) 2,040 shares owned </font>by
<font style="letter-spacing: -0.05pt">the Tang Advisors,</font> LLC <font style="letter-spacing: -0.05pt">Profit Sharing Plan,
for which Kevin C. Tang serves </font>as <font style="letter-spacing: -0.05pt">trustee and is</font> a <font style="letter-spacing: -0.05pt">participant.
</font><font style="background-color: white">Mr. Tang also owns additional stock options to purchase up to 2,834 shares of Common
Stock that are excluded from his beneficial ownership as of the date of this Statement, as they are not exercisable within 60 days
from such date.</font> </p>

<p style="font: 9.5pt Times New Roman, Times, Serif; margin: 0.55pt 0 0">&nbsp;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 2.85pt 9.45pt 0 7.95pt; text-indent: 28.05pt"><font style="letter-spacing: -0.05pt"> Tang
Capital Management, LLC,</font> as <font style="letter-spacing: -0.05pt">the general partner of Tang Capital Partners, </font>LP,
<font style="letter-spacing: -0.05pt">and Kevin C. Tang,</font> as <font style="letter-spacing: -0.05pt">the manager </font>of
<font style="letter-spacing: -0.05pt">Tang Capital Management, LLC,</font> <font style="letter-spacing: -0.1pt">may</font> <font style="letter-spacing: -0.05pt">also
</font>be <font style="letter-spacing: -0.05pt">deemed to beneficially </font>own <font style="letter-spacing: -0.05pt">the shares
beneficially owned </font>by <font style="letter-spacing: -0.05pt">Tang Capital Partners, LP. Kevin C. Tang is </font>a <font style="letter-spacing: -0.05pt">beneficiary
and the sole trustee of the Kevin C. Tang Family Trust and has voting and dispositive power over the shares held </font>by <font style="letter-spacing: -0.05pt">the
Kevin C. Tang Family Trust. The Kevin C. Tang Foundation, Inc. is</font> a <font style="letter-spacing: -0.05pt">private foundation
for which Kevin C. Tang serves as President and Treasurer. Mr. Tang </font>has <font style="letter-spacing: -0.05pt">voting and
dispositive power over the shares held </font>by <font style="letter-spacing: -0.05pt">this foundation, which is</font> a <font style="letter-spacing: -0.05pt">not-for-profit
corporation incorporated in the state of Delaware. The mailing address of all</font> of <font style="letter-spacing: -0.05pt">the
foregoing persons and entities is c/o Tang Capital Management, LLC, 4747 Executive Drive, Suite 510, San Diego, CA 92121. Kevin
C. Tang disclaims beneficial ownership of all shares reported herein except to the extent</font> of <font style="letter-spacing: -0.05pt">his
pecuniary interest therein.</font> </p>





<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</p>











<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 9.45pt 0pt 7.95pt; text-indent: 0.5in"> The percentages used
herein for Tang Capital Partners, LP and Tang Capital Management, LLC are based upon 79,610,870 shares of Common Stock outstanding
<font style="background-color: white">(77,734,284 shares of Common Stock outstanding as set forth in the Issuer&rsquo;s Form 10-Q
that was filed with the SEC on August 8, 2018, plus an additional 1,876,586 shares of Common Stock currently issuable upon conversion
of the Notes)</font>. The percentages used herein for Kevin C. Tang are based upon 79,750,536 shares of Common Stock outstanding
(79,610,870 shares of Common Stock outstanding as described in the foregoing sentence, plus an additional 139,666 shares of Common
Stock issuable upon exercise of options granted to Kevin C. Tang). </p>


</div>

<div style="text-indent: 0pt; display: block"><div style="text-align: left; text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt"><div style="text-align: left; display: block; font: 10pt times new roman"><div style="text-align: left; text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt"><div style="TEXT-ALIGN: center"><table style="WIDTH: 100%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" id="hangingindent" border="0" cellspacing="0" cellpadding="0"></table></div>

<div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt">&#160;</div>





<div></div>
<div style="TEXT-ALIGN: left; TEXT-INDENT: 36pt; FONT-FAMILY: 'Times New Roman', Times, serif; FONT-SIZE: 10pt; MARGIN-RIGHT: 10.25pt"></div>
</div>
</div>
</div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt"></div>

<div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt"></div></div></div>

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<div style="text-indent: 0pt; display: block"><div style="text-align: left; text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt"><div style="text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt">&nbsp;</div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block"><div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt"><div style="TEXT-ALIGN: left"><table style="WIDTH: 100%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" id="z3489a1b2266f4a549bb82c98f24d909e" cellspacing="0" cellpadding="0">
                                         <tr><td style="WIDTH: 3%" valign="top" nowrap="nowrap"><div style="TEXT-ALIGN: justify; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">(b)&#160;&#160;&#160;&#160;&#160;&#160;
                                         &#160;&#160;&#160; &#160;&#160;</div>
</td>
<td style="WIDTH: 97%" valign="top" colspan="2" align="left"><div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt; TEXT-DECORATION: underline">Voting
                                         and disposition powers:</div>
</td>
</tr>

<tr>
<td style="WIDTH: 3%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" valign="top" align="left">&#160;</td>
<td style="WIDTH: 97%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" valign="top" colspan="2" align="left">&#160;</td>
</tr>

<tr>
<td style="WIDTH: 3%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" valign="top" align="left">&#160;</td>
<td style="WIDTH: 97%" valign="top" colspan="2" align="left"><div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">Sole
                                         power to vote or direct the vote:</div>
</td>
</tr>

<tr>
<td style="WIDTH: 3%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" valign="top" align="left">&#160;</td>
<td style="WIDTH: 42%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" valign="top" align="left">&#160;</td>
<td style="WIDTH: 55%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" valign="top" align="left">&#160;</td>
</tr>

<tr>
<td style="WIDTH: 3%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" valign="top" align="left">&#160;</td>
<td style="WIDTH: 42%" valign="top" align="left"><div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">Tang
                                         Capital Partners, LP</div>
</td>
<td style="WIDTH: 55%" valign="top" align="left"><div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">0
                                         shares</div>
</td>
</tr>

<tr>
<td style="WIDTH: 3%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" valign="top" align="left">&#160;</td>
<td style="WIDTH: 42%" valign="top" align="left"><div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">Tang
                                         Capital Management, LLC</div>
</td>
<td style="WIDTH: 55%" valign="top" align="left"><div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">0
                                         shares</div>
</td>
</tr>

<tr style="HEIGHT: 13px">
<td style="WIDTH: 3%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" valign="top" align="left">&#160;</td>
<td style="WIDTH: 42%" valign="top" align="left"><div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">Kevin
                                         C. Tang</div>
</td>
<td style="WIDTH: 55%" valign="top" align="left"><div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: 'Times New Roman', Times, serif; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt"> 260,277
                                         shares </div>
</td>
</tr>

<tr>
<td style="WIDTH: 3%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" valign="top" align="left">&#160;</td>
<td style="WIDTH: 97%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" valign="top" colspan="2" align="left">&#160;</td>
</tr>

<tr>
<td style="WIDTH: 3%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" valign="top" align="left">&#160;</td>
<td style="WIDTH: 97%" valign="top" colspan="2" align="left"><div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">Shared
                                         power to vote or direct the vote:</div>
</td>
</tr>

<tr>
<td style="WIDTH: 3%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" valign="top" align="left">&#160;</td>
<td style="WIDTH: 97%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" valign="top" colspan="2" align="left">&#160;</td>
</tr>

<tr style="HEIGHT: 14px">
<td style="WIDTH: 3%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" valign="top" align="left">&#160;</td>
<td style="WIDTH: 42%" valign="top" align="left"><div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">Tang
                                         Capital Partners, LP</div>
</td>
<td style="WIDTH: 55%" valign="top" align="left"><div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt"> 7,706,801 shares </div>
</td>
</tr>

<tr>
<td style="WIDTH: 3%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" valign="top" align="left">&#160;</td>
<td style="WIDTH: 42%" valign="top" align="left"><div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">Tang
                                         Capital Management, LLC</div>
</td>
<td style="WIDTH: 55%" valign="top" align="left"><div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: 'Times New Roman', Times, serif; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt"> 7,706,801 shares </div>
</td>
</tr>

<tr>
<td style="WIDTH: 3%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" valign="top" align="left">&#160;</td>
<td style="WIDTH: 42%" valign="top" align="left"><div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">Kevin
                                         C. Tang</div>
</td>
<td style="WIDTH: 55%" valign="top" align="left"><div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: 'Times New Roman', Times, serif; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt"> 7,706,801 shares </div>
</td>
</tr>
</table>
</div>

<div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: Times New Roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">&#160;</div>

<div style="TEXT-ALIGN: left"><table style="WIDTH: 100%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" id="z2c705453fbd741599fe391e31d965f3b" cellspacing="0" cellpadding="0">
<tr><td style="WIDTH: 3%" valign="top" nowrap="nowrap" align="left"><div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;
                                         &#160;&#160;&#160;&#160;</div>
</td>
<td style="WIDTH: 97%" valign="top" colspan="2" align="left"><div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">Sole
                                         power to dispose or direct the disposition:</div>
</td>
</tr>

<tr>
<td style="WIDTH: 3%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" valign="top" align="left">&#160;</td>
<td style="WIDTH: 42%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" valign="top" align="left">&#160;</td>
<td style="WIDTH: 55%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" valign="top" align="left">&#160;</td>
</tr>

<tr>
<td style="WIDTH: 3%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" valign="top" align="left">&#160;</td>
<td style="WIDTH: 42%" valign="top" align="left"><div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">Tang
                                         Capital Partners, LP</div>
</td>
<td style="WIDTH: 55%" valign="top" align="left"><div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">0
                                         shares</div>
</td>
</tr>

<tr>
<td style="WIDTH: 3%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" valign="top" align="left">&#160;</td>
<td style="WIDTH: 42%" valign="top" align="left"><div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">Tang
                                         Capital Management, LLC</div>
</td>
<td style="WIDTH: 55%" valign="top" align="left"><div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">0
                                         shares</div>
</td>
</tr>

<tr>
<td style="WIDTH: 3%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" valign="top" align="left">&#160;</td>
<td style="WIDTH: 42%" valign="top" align="left"><div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">Kevin
                                         C. Tang</div>
</td>
<td style="WIDTH: 55%" valign="top" align="left"><div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: 'Times New Roman', Times, serif; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt"> 260,277 shares </div>
</td>
</tr>

<tr>
<td style="WIDTH: 3%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" valign="top" align="left">&#160;</td>
<td style="WIDTH: 42%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" valign="top" align="left">&#160;</td>
<td style="WIDTH: 55%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" valign="top" align="left">&#160;</td>
</tr>

<tr>
<td style="WIDTH: 3%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" valign="top" align="left">&#160;</td>
<td style="WIDTH: 97%" valign="top" colspan="2" align="left"><div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">Shared
                                         power to dispose or direct the disposition:</div>
</td>
</tr>

<tr>
<td style="WIDTH: 3%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" valign="top" align="left">&#160;</td>
<td style="WIDTH: 42%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" valign="top" align="left">&#160;</td>
<td style="WIDTH: 55%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" valign="top" align="left">&#160;</td>
</tr>

<tr>
<td style="WIDTH: 3%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" valign="top" align="left">&#160;</td>
<td style="WIDTH: 42%" valign="top" align="left"><div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">Tang
                                         Capital Partners, LP</div>
</td>
<td style="WIDTH: 55%" valign="top" align="left"><div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt"> 7,706,801 shares </div>
</td>
</tr>

<tr>
<td style="WIDTH: 3%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" valign="top" align="left">&#160;</td>
<td style="WIDTH: 42%" valign="top" align="left"><div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">Tang
                                         Capital Management, LLC</div>
</td>
<td style="WIDTH: 55%" valign="top" align="left"><div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt"> 7,706,801 shares </div>
</td>
</tr>

<tr>
<td style="WIDTH: 3%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" valign="top" align="left">&#160;</td>
<td style="WIDTH: 42%" valign="top" align="left"><div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">Kevin
                                         C. Tang</div>
</td>
<td style="WIDTH: 55%" valign="top" align="left"><div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: 'Times New Roman', Times, serif; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt"> 7,706,801 shares </div>
</td>
</tr>
</table>
</div>

<div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt">&#160;</div>

<div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">(c)&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;Other
than the transactions described in Item 3, none of&#160;the Reporting Persons&#160;have effected any transaction in the
Common Stock within the last 60 days.</div>
</div>

<div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: Times New Roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">&#160;</div>

<div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">(d)&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;N/A.</div>

<div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: Times New Roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">&#160;</div>

<div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">(e)&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;N/A.</div>

<div style="text-align: left; display: block; margin-right: 0pt">&#160;</div>

<div style="text-align: left; display: block; margin-right: 0pt"><table cellpadding="0" cellspacing="0" width="100%" style="font: bold 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><tr style="vertical-align: top">
<td style="width: 0"></td><td style="width: 50.95pt">Item 6.</td><td>Contracts, Arrangements, Understandings or Relationships With Respect to Securities of the Issuer</td></tr></table>


</div>

<div style="text-align: left; display: block; margin-right: 0pt">&nbsp;</div>

<div style="text-align: left; display: block; margin-right: 0pt"><p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in">Item 6 of the Statement is hereby amended to add the following:</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 46.3pt; text-indent: 0.5in"> &nbsp; </p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0pt; text-indent: 0.5in; text-align: justify"> In
connection with the Issuer&rsquo;s underwritten public offering, on June 25, 2018, each of the Reporting Persons became
subject to a lock-up agreement (the &ldquo;Lock-up Agreement&rdquo;). Pursuant to the Lock-up Agreement, the Reporting
Persons may not sell or otherwise transfer any Common Stock or securities convertible into, exchangeable for or exercisable
for Common Stock, for 90 days after June 25, 2018 without the written consent of the underwriter for the offering (the
&ldquo;Underwriter&rdquo;). The Underwriter agreed to waive the lock-up restrictions applicable to the Reporting Persons to
permit the sale of shares on September 12, 2018. </p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"> &nbsp; </p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0pt; background-color: white"> <b>Item 7.</b>&nbsp;&nbsp;&nbsp;&nbsp;<b>Material
to Be Filed as Exhibits</b></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; background-color: white"> &nbsp; </p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in; background-color: white"> Item 7 of the
Statement is hereby amended to add the following exhibit: </p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white"> &nbsp; </p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0in; background-color: white"> Exhibit A: Form of Lock-Up Agreement dated June 25, 2018. (Incorporated by reference to Exhibit
A in Exhibit 1.1 of the Issuer&rsquo;s Current Report on Form 8-K (File No. 001-33221), filed with the Commission on June 28,
2018.) </p>



</div>

<div style="text-align: left; text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt">&nbsp;</div>

<div style="text-align: left; text-indent: 0pt; display: block; margin-left: 0pt; margin-right: 0pt"></div></div></div></div>

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<div style="TEXT-INDENT: 0pt; DISPLAY: block">&#160;&#160;</div>

<div style="text-align: center; font: bold 10pt times new roman">SIGNATURES</div>

<div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: Times New Roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">&#160;</div>

<div style="TEXT-ALIGN: justify; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">After
reasonable inquiry and to the best of his or its knowledge and belief, each of the following Reporting Persons certifies that
the information set forth in this statement is true, complete and correct.</div>

<div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: Times New Roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">&#160;</div>

<div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: Times New Roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">&#160;</div>

<div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: Times New Roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">&#160;</div>

<div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt"><div style="TEXT-ALIGN: left; FONT-FAMILY: 'Times New Roman', Times, serif; FONT-SIZE: 10pt"> September
                                         12, 2018 </div>

<div style="TEXT-ALIGN: left; FONT-FAMILY: 'Times New Roman', Times, serif; FONT-SIZE: 10pt">&#160;</div>
</div>

<div><table style="WIDTH: 100%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" id="z164972ef372f467db7604a87b2fc0d1b" cellspacing="0" cellpadding="0">
<tr><td style="WIDTH: 37%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" valign="top" align="left">&#160;</td>
<td style="WIDTH: 24%" valign="top" colspan="2" align="left"><div style="TEXT-ALIGN: left; FONT-VARIANT: small-caps; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; FONT-WEIGHT: bold; MARGIN-RIGHT: 0pt">Tang
                                         Capital Partners, LP</div>
</td>
<td style="WIDTH: 17%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" valign="top" align="left">&#160;</td>
</tr>

<tr>
<td style="WIDTH: 37%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" valign="top" align="left">&#160;</td>
<td style="WIDTH: 24%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" valign="top" colspan="2" align="left">&#160;</td>
<td style="WIDTH: 17%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" valign="top" align="left">&#160;</td>
</tr>

<tr>
<td style="WIDTH: 37%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" valign="top" align="left">&#160;</td>
<td style="WIDTH: 2%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" valign="top" align="left">&#160;</td>
<td style="WIDTH: 22%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" valign="top" align="left">&#160;</td>
<td style="WIDTH: 17%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" valign="top" align="left">&#160;</td>
</tr>

<tr>
<td style="WIDTH: 37%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" valign="top" align="left">&#160;</td>
<td style="WIDTH: 2%" valign="top" align="left"><div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">By:</div>
</td>
<td style="width: 22%; vertical-align: bottom; text-align: left; white-space: nowrap"><div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt"> Tang
                                         Capital Management, LLC, General Partner </div>
</td>
<td style="WIDTH: 17%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" valign="top" align="left">&#160;</td>
</tr>

<tr>
<td style="WIDTH: 37%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" valign="top" align="left">&#160;</td>
<td style="WIDTH: 2%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" valign="top" align="left">&#160;</td>
<td style="WIDTH: 22%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" valign="top" align="left">&#160;</td>
<td style="WIDTH: 17%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" valign="top" align="left">&#160;</td>
</tr>

<tr>
<td style="WIDTH: 37%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" valign="top" align="left">&#160;</td>
<td style="WIDTH: 2%" valign="top" align="left"><div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">By:</div>
</td>
<td style="BORDER-BOTTOM: black 2px double; WIDTH: 22%" valign="top" align="left"><div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">/s/
                                         Kevin C. Tang&#160;&#160;&#160;</div>
</td>
<td style="WIDTH: 17%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" valign="top" align="left">&#160;</td>
</tr>

<tr>
<td style="WIDTH: 37%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" valign="top" align="left">&#160;</td>
<td style="WIDTH: 2%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" valign="top" align="left">&#160;</td>
<td style="WIDTH: 22%" valign="top" align="left"><div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">Kevin
                                         C. Tang, Manager</div>
</td>
<td style="WIDTH: 17%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" valign="top" align="left">&#160;</td>
</tr>

<tr>
<td style="WIDTH: 37%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" valign="top" align="left">&#160;</td>
<td style="WIDTH: 2%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" valign="top" align="left">&#160;</td>
<td style="WIDTH: 22%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" valign="top" align="left">&#160;</td>
<td style="WIDTH: 17%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" valign="top" align="left">&#160;</td>
</tr>

<tr>
<td style="WIDTH: 37%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" valign="top" align="left">&#160;</td>
<td style="WIDTH: 2%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" valign="top" align="left">&#160;</td>
<td style="WIDTH: 22%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" valign="top" align="left">&#160;</td>
<td style="WIDTH: 17%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" valign="top" align="left">&#160;</td>
</tr>

<tr>
<td style="WIDTH: 37%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" valign="top" align="left">&#160;</td>
<td style="WIDTH: 24%" valign="top" colspan="2" align="left"><div style="TEXT-ALIGN: left; FONT-VARIANT: small-caps; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; FONT-WEIGHT: bold; MARGIN-RIGHT: 0pt">Tang
                                         Capital Management, LLC</div>
</td>
<td style="WIDTH: 17%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" valign="top" align="left">&#160;</td>
</tr>

<tr>
<td style="WIDTH: 37%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" valign="top" align="left">&#160;</td>
<td style="WIDTH: 2%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" valign="top" align="left">&#160;</td>
<td style="WIDTH: 22%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" valign="top" align="left">&#160;</td>
<td style="WIDTH: 17%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" valign="top" align="left">&#160;</td>
</tr>

<tr>
<td style="WIDTH: 37%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" valign="top" align="left">&#160;</td>
<td style="WIDTH: 2%" valign="top" align="left"><div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">By:</div>
</td>
<td style="BORDER-BOTTOM: black 2px double; WIDTH: 22%" valign="top" align="left"><div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">/s/
                                         Kevin C. Tang</div>
</td>
<td style="WIDTH: 17%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" valign="top" align="left">&#160;</td>
</tr>

<tr>
<td style="WIDTH: 37%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" valign="top" align="left">&#160;</td>
<td style="WIDTH: 2%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" valign="top" align="left">&#160;</td>
<td style="WIDTH: 22%" valign="top" align="left"><div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">Kevin
                                         C. Tang, Manager</div>
</td>
<td style="WIDTH: 17%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" valign="top" align="left">&#160;</td>
</tr>

<tr>
<td style="WIDTH: 37%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" valign="top" align="left">&#160;</td>
<td style="WIDTH: 2%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" valign="top" align="left">&#160;</td>
<td style="WIDTH: 22%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" valign="top" align="left">&#160;</td>
<td style="WIDTH: 17%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" valign="top" align="left">&#160;</td>
</tr>

<tr>
<td style="WIDTH: 37%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" valign="top" align="left">&#160;</td>
<td style="WIDTH: 2%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" valign="top" align="left">&#160;</td>
<td style="WIDTH: 22%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" valign="top" align="left">&#160;</td>
<td style="WIDTH: 17%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" valign="top" align="left">&#160;</td>
</tr>

<tr>
<td style="WIDTH: 37%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" valign="top" align="left">&#160;</td>
<td style="BORDER-BOTTOM: black 2px double; WIDTH: 24%" valign="top" colspan="2" align="left"><div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt">/s/
                                         Kevin C. Tang</div>
</td>
<td style="WIDTH: 17%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" valign="top" align="left">&#160;</td>
</tr>
<tr>
<td style="font: 10pt times new roman; vertical-align: top; text-align: left">&nbsp;</td>
<td colspan="2" style="vertical-align: top; text-align: left"> Kevin C. Tang </td>
<td style="font: 10pt times new roman; vertical-align: top; text-align: left">&nbsp;</td></tr>
</table>
</div>

<div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt">&#160;</div>

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<div style="text-align: center; font: 10pt Times New Roman; display: block">&#160;8</div>

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