<SEC-DOCUMENT>0001214659-17-000428.txt : 20170124
<SEC-HEADER>0001214659-17-000428.hdr.sgml : 20170124
<ACCEPTANCE-DATETIME>20170124171525
ACCESSION NUMBER:		0001214659-17-000428
CONFORMED SUBMISSION TYPE:	SC 13D/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20170124
DATE AS OF CHANGE:		20170124
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:		17544449

	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>b124170sc13da17.htm
<DESCRIPTION>AMENDMENT NO. 17
<TEXT>
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<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>

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 &#160;</div>

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<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. 17)* </div>

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<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>
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<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>
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<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>
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<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>
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<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>
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<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>
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<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>
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<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>
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<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>
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<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>
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<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>
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<td style="WIDTH: 80%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" valign="top">&#160; </td>
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<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"> January 19, 2017 </div>
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<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>
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<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="DISPLAY: inline; FONT-FAMILY: wingdings">o</font></div>

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

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<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>

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<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>

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<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>

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<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. <font style="DISPLAY: inline; FONT-WEIGHT: bold">427746102</font></div>
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<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>
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<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>

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<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>
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<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="DISPLAY: inline; 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="DISPLAY: inline; FONT-FAMILY: wingdings">&#253;</font></div>
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<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>
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<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>

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<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>
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<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>

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<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>
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<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>
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<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>

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<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>
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<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>

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<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>
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<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>
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<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>
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<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>
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<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"> 8,332,907 </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"> 8,332,907 </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"> 8,332,907 </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="DISPLAY: inline; 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="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold">16.2%</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="MARGIN-TOP: 10pt; MARGIN-BOTTOM: 10pt; CLEAR: both" id="DSPFPageBreakArea">
<div style="TEXT-ALIGN: center" id="DSPFPageNumberArea"><font style="FONT-STYLE: normal; FONT-FAMILY: 'Times New Roman', Times, serif; COLOR: #000000; FONT-SIZE: 10pt; FONT-WEIGHT: normal" id="DSPFPageNumber">2</font></div>

<div style="PAGE-BREAK-AFTER: always" id="DSPFPageBreak">
<hr style="BORDER-RIGHT-WIDTH: 0px; BACKGROUND-COLOR: #000000; MARGIN: 4px 0px; WIDTH: 100%; BORDER-TOP-WIDTH: 0px; BORDER-BOTTOM-WIDTH: 0px; HEIGHT: 2px; COLOR: #000000; CLEAR: both; BORDER-LEFT-WIDTH: 0px" noshade="noshade">
</div>
</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. <font style="DISPLAY: inline; FONT-WEIGHT: bold">427746102</font></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="DISPLAY: inline; 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="DISPLAY: inline; 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="DISPLAY: inline; 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"> 8,332,907 </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"> 8,332,907 </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"> 8,332,907 </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="DISPLAY: inline; 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="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold">16.2%</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>
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<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. <font style="DISPLAY: inline; FONT-WEIGHT: bold">427746102</font></div>
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<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>
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<div style="TEXT-ALIGN: left">
<table style="WIDTH: 100%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" id="z2785e0aeee554d8690933111cb1338e6" cellspacing="0" cellpadding="3">
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<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>
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<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>
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<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>
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<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="DISPLAY: inline; 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="DISPLAY: inline; FONT-FAMILY: wingdings">&#253;</font></div>
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<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>
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<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>
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<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>
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<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>
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<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>
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<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="DISPLAY: inline; FONT-FAMILY: wingdings">&#168;</font></div>
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<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>
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<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>
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<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"> 429,911 </div>
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<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>
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<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"> 8,332,907 </div>
</td>
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<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"> 429,911 </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"> 8,332,907 </div>
</td>
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<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>
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<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"> 8,762,818 </div>
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<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>
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<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="DISPLAY: inline; 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>
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<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>
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<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; 17.0% </div>
</td>
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<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>
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<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>
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<div style="MARGIN-TOP: 10pt; MARGIN-BOTTOM: 10pt; CLEAR: both" id="DSPFPageBreakArea">
<div style="TEXT-ALIGN: center" id="DSPFPageNumberArea"><font style="FONT-STYLE: normal; FONT-FAMILY: 'Times New Roman', Times, serif; COLOR: #000000; FONT-SIZE: 10pt; FONT-WEIGHT: normal" id="DSPFPageNumber">4</font></div>

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<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; FONT-WEIGHT: bold">Explanatory Note</font>: This Amendment No. 17 relates to and amends the Statement of Beneficial Ownership on Schedule 13D/A (&#8220;Schedule 13D/A&#8221;) 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 &#8220;Reporting Person&#8221; and collectively, the &#8220;Reporting Persons&#8221;), initially filed jointly by the Reporting Persons with the U.S. Securities and Exchange Commission (&#8220;SEC&#8221;) 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 and August 10, 2016 (as amended, the &#8220;Statement&#8221;), with respect to the Common Stock, $0.01 par value (the &#8220;Common Stock&#8221;), of Heron Therapeutics, Inc., a Delaware corporation (the &#8220;Issuer&#8221; or &#8220;Company&#8221;). </div>

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<div style="TEXT-ALIGN: left; TEXT-INDENT: 36pt; FONT-FAMILY: 'Times New Roman', Times, serif; FONT-SIZE: 10pt"> Items 3, 4, 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>

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<pre style="DISPLAY: inline; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-WEIGHT: bold">
 Item 3. Source and Amount of Funds or Other Consideration
</pre>
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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-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 $71,139 and $72,205 principal amount of senior secured convertible notes due 2021 (the &#8220;Notes&#8221;) on October 1, 2016 and January 1, 2017, respectively, as interest in-kind on the existing Notes held by Tang Capital Partners, LP. </div>

<div>&#160;</div>

<div>
<div style="TEXT-ALIGN: left; TEXT-INDENT: 36pt; FONT-FAMILY: 'Times New Roman', Times, serif; FONT-SIZE: 10pt"> On December 21, 2016, 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 $13.00 per share. The stock options were granted in connection with Mr. Tang&#8217;s service on the Issuer&#8217;s Board of Directors and will vest monthly over a one-year period. </div>

<div>&#160;</div>

<div style="TEXT-ALIGN: left; TEXT-INDENT: 36pt; FONT-FAMILY: 'Times New Roman', Times, serif; FONT-SIZE: 10pt"> On January 19, 2017, Tang Capital Partners, LP purchased 2,459,016 shares of Common Stock through an underwritten public offering at a price of $12.20 per share (the &#8220;2017 Offering&#8221;). </div>
</div>

<div>&#160;</div>

<div style="TEXT-INDENT: 36pt"> Tang Capital Partners, LP holds some of its shares in 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.&#160; The margin accounts may from time to time have debit balances.&#160; 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. </div>

<div style="TEXT-ALIGN: left; FONT-FAMILY: 'Times New Roman', Times, serif; FONT-SIZE: 10pt">&#160;</div>
</div>
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<div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt">
<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">
<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 4. </div>
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<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">Purpose of Transactions</div>
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<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 4 of the Statement is hereby amended to add the following:</div>

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<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 January 18, 2017, the Company and Tang Capital Partners, LP executed a waiver (the &#8220;Waiver&#8221;) pursuant to which Tang Capital Partners, LP waived: (i) the Company&#8217;s obligation under the Securities Purchase Agreement, dated April 24, 2011, among the Company, Tang Capital Partners, LP and certain other investors to maintain a sufficient number of authorized shares of the Company&#8217;s Common Stock to permit the conversion of Tang Capital Partners, LP&#8217;s outstanding principal and interest under the Notes to the Company&#8217;s Common Stock; and (ii) its right to convert the Notes for the duration of the Waiver. The Waiver will remain effective until the earliest to occur of: (i) a change in the control of the Company; (ii) the Company&#8217;s stockholders approving an increase of the number of authorized shares of the Company&#8217;s Common Stock; and (iii) July 18, 2017. If, upon the expiration of the Waiver, Tang Capital Partners, LP seeks to convert part or all of the Notes, and the Company does not have a sufficient number of authorized shares of the Company&#8217;s Common Stock to permit the conversion of the portion of the Notes being converted, then the Company will be obligated to make a cash payment to Tang Capital Partners, LP equal to the value of the underlying shares of Common Stock that the Company is unable to deliver on conversion, based on the price of the Company&#8217;s Common Stock at such time. The Waiver was granted in connection with the 2017 Offering in order to provide the Company with additional authorized shares of Common Stock. </div>

<div>&#160;</div>
</div>

<div style="display: block; margin-left: 0pt; margin-right: 0pt; text-align: left; text-indent: 36pt; font-family: 'Times New Roman', Times, serif; font-size: 10pt;"> The foregoing description of the Waiver does not purport to be complete and is qualified in its entirety by reference to such agreement. </div>
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<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: 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>
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<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>
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<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>

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<div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt">
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<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>
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<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"> 8,332,907 shares, representing 16.2% of the class </div>
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<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"> 8,332,907 shares, representing 16.2% 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"> 8,762,818 shares, representing 17.0% of the class </div>
</div>
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</div>

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<div style="TEXT-ALIGN: center">
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</div>

<div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt">&#160;</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 8,332,907 shares of Common Stock, including 937,500 shares of Common Stock held by Tang Holdings. Tang Capital Partners, LP shares voting and dispositive power over such shares with Tang Capital Management, LLC and Kevin C. Tang. </div>

<div>&#160;</div>

<div style="TEXT-ALIGN: left; TEXT-INDENT: 36pt; FONT-FAMILY: 'Times New Roman', Times, serif; FONT-SIZE: 10pt; MARGIN-RIGHT: 10.25pt"> Tang Capital Partners, LP is the record owner of $4,885,912 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 the Waiver discussed in Item 4 above and certain other limitations discussed below.&#160; Tang Capital Partners, LP has no right to convert the Notes to the extent that after giving effect to such conversion Tang Capital Partners, LP (together with its affiliates) would beneficially own in excess of the Maximum Percentage, which is currently set at 9.99%, of the number of 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 by written notice to the Company, provided that such increase or decrease will not be effective until 61 days after delivery of the notice. The foregoing limitations (including those contained in the Waiver) remain in effect with respect to such Notes, and, accordingly, no shares are currently issuable upon conversion of such Notes. Neither the filing of this Schedule 13D/A nor any of its contents shall be deemed to constitute an admission by Tang Capital Partners, LP or any other person that is the beneficial owner of any of the Common Stock underlying such Notes for purposes of Section 13(d) of the Securities Exchange Act of 1934, as amended, or for any other purpose, and, as such, beneficial ownership is expressly disclaimed and is not reflected herein. </div>

<div><br>
</div>

<div style="TEXT-ALIGN: left; TEXT-INDENT: 36pt; FONT-FAMILY: 'Times New Roman', Times, serif; FONT-SIZE: 10pt; MARGIN-RIGHT: 10.25pt"> Tang Capital Management, LLC, as the general partner of Tang Capital Partners, LP, may be deemed to beneficially own the 8,332,907 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. </div>

<div>&#160;</div>

<div style="TEXT-ALIGN: left; TEXT-INDENT: 36pt; FONT-FAMILY: 'Times New Roman', Times, serif; FONT-SIZE: 10pt; MARGIN-RIGHT: 8.05pt"> Kevin C. Tang is the beneficial owner of 8,762,818 shares of Common Stock, comprising: (i) the 8,332,907 shares beneficially owned by Tang Capital Partners, LP; (ii) 5,732 shares held by the Kevin C. Tang Family Trust, for which Kevin C. Tang serves as trustee; (iii) 4,794 shares owned directly by Kevin C. Tang; (iv) 3,130 shares owned by Justin L. Tang under the Uniform Transfers to Minors Act (&#8220;UTMA&#8221;), for which Kevin C. Tang serves as trustee; (v) 2,685 shares owned by Julian K. Tang under the UTMA, for which Kevin C. Tang serves as trustee; (vi) 2,147 shares held by Kevin C. Tang&#8217;s Individual Retirement Account; (vii) 2,040 shares owned by the Tang Advisors, LLC Profit Sharing Plan, for which Kevin C. Tang serves as trustee and is a participant; (viii) 760 shares owned by Noa Y. Tang under the UTMA, for which Kevin C. Tang serves as trustee; (ix) 106,604 shares issuable upon exercise of options held by Kevin C. Tang that are exercisable within 60 days of this Statement; and (x) 302,019 shares held by the Kevin C. Tang Foundation, Inc. </div>

<div>&#160;</div>

<div style="TEXT-ALIGN: left; TEXT-INDENT: 36pt; FONT-FAMILY: 'Times New Roman', Times, serif; FONT-SIZE: 10pt"> Tang Capital Management, LLC, as the general partner of Tang Capital Partners, LP, and Kevin C. Tang, as the manager of Tang Capital Management, LLC, may also be deemed to beneficially own the shares beneficially owned by Tang Capital Partners, LP. Kevin C. Tang is a beneficiary and the sole trustee of the Kevin C. Tang Family Trust and has voting and dispositive power over the shares held by the Kevin C. Tang Family Trust. Justin L. Tang, Julian K. Tang and Noa Y. Tang are Kevin C. Tang&#8217;s children. The Kevin C. Tang Foundation, Inc. is a private foundation for which Kevin C. Tang serves as President and Treasurer. Mr. Tang has voting and dispositive power over the shares held by this foundation, which is a not-for-profit corporation incorporated in the state of Delaware. The mailing address of all of 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 of his pecuniary interest therein. </div>

<div>&#160;</div>

<div style="MARGIN-TOP: 10pt; MARGIN-BOTTOM: 10pt; CLEAR: both" id="DSPFPageBreakArea">
<div style="TEXT-ALIGN: center" id="DSPFPageNumberArea"><font style="FONT-STYLE: normal; FONT-FAMILY: 'Times New Roman', Times, serif; COLOR: #000000; FONT-SIZE: 10pt; FONT-WEIGHT: normal" id="DSPFPageNumber">6</font></div>

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<div><br>
</div>

<div style="TEXT-ALIGN: left; TEXT-INDENT: 36pt; FONT-FAMILY: 'Times New Roman', Times, serif; FONT-SIZE: 10pt"> The percentages used herein for Tang Capital Partners, LP and Tang Capital Management, LLC are based upon 51,467,907 shares of Common Stock outstanding<font style="BACKGROUND-COLOR: #ffffff; FONT-FAMILY: 'Times New Roman', Times, serif; FONT-SIZE: 10pt"> as set forth in the Issuer&#8217;s Prospectus Supplement on Form 424B5 that was filed with the SEC on January 19, 2017</font>. The percentages used herein for Kevin C. Tang are based upon 51,574,511 shares of Common Stock outstanding (51,467,907 shares of Common Stock outstanding as described in the foregoing sentence, plus an additional 106,604 shares of Common Stock issuable upon exercise of options granted to Kevin C. Tang). </div>
</div>
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<div style="TEXT-INDENT: 0pt; DISPLAY: block; MARGIN-LEFT: 0pt; MARGIN-RIGHT: 0pt">&#160;</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">
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<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>
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<td style="WIDTH: 97%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" valign="top" colspan="2" align="left">&#160; </td>
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<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>
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<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"> 429,911 shares </div>
</td>
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<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>
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<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"> 8,332,907 shares </div>
</td>
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<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"> 8,332,907 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"> 8,332,907 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>
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<tr>
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<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>
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<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>
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<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>
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<tr>
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<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>
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<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>
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<tr>
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<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>
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<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>
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<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>
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<div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt"> 8,332,907 shares </div>
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<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>
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<div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; DISPLAY: block; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; MARGIN-RIGHT: 0pt"> 8,332,907 shares </div>
</td>
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<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>
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<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"> 8,332,907 shares </div>
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<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 Issuer&#8217;s Common Stock within the last 60 days.</div>
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<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; 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">
<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">
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<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 6.&#160;</div>
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<div style="TEXT-INDENT: 0pt; DISPLAY: block"><br>
</div>

<div style="TEXT-ALIGN: left; TEXT-INDENT: 36pt; DISPLAY: block; FONT-FAMILY: times new roman; FONT-SIZE: 10pt">Item 6 of the Statement is hereby amended to add the following:</div>

<div style="TEXT-INDENT: 36pt; DISPLAY: block"><br>
</div>

<div style="TEXT-ALIGN: left; TEXT-INDENT: 36pt; DISPLAY: block; FONT-FAMILY: 'Times New Roman', Times, serif; FONT-SIZE: 10pt"> The information contained in Item 4 of this Amendment No. 17 is incorporated herein by reference. </div>
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<div style="TEXT-INDENT: 0pt; DISPLAY: block">&#160;</div>

<div style="TEXT-INDENT: 0pt; DISPLAY: block">
<table style="WIDTH: 100%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" id="hangingindent" border="0" cellspacing="0" cellpadding="0">
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<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"> Item 7. </div>
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<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"> Material to be Filed as Exhibits </div>
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<div style="TEXT-INDENT: 0pt; DISPLAY: block">
<div>&#160;</div>

<div style="TEXT-ALIGN: left; TEXT-INDENT: 36pt; FONT-FAMILY: 'Times New Roman', Times, serif; FONT-SIZE: 10pt"> Exhibit A: Waiver, dated as of January 18, 2017, among Tang Capital Partners, LP and Heron Therapeutics, Inc. (I<font style="BACKGROUND-COLOR: #ffffff; FONT-FAMILY: 'Times New Roman', Times, serif; FONT-SIZE: 10pt">ncorporated by reference to Exhibit 10.1 of the Company&#8217;s Current Report on Form 8-K (File No. 001-33221), filed with the Commission on January 24, 2017).</font> </div>
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<div style="TEXT-INDENT: 0pt; DISPLAY: block">&#160;</div>

<div style="MARGIN-TOP: 10pt; MARGIN-BOTTOM: 10pt; CLEAR: both" id="DSPFPageBreakArea">
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<div style="TEXT-INDENT: 0pt; DISPLAY: block">&#160;</div>

<div style="TEXT-ALIGN: left; TEXT-INDENT: 0pt; FONT-FAMILY: times new roman; MARGIN-LEFT: 0pt; FONT-SIZE: 10pt; FONT-WEIGHT: bold; MARGIN-RIGHT: 0pt">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"> January 24, 2017 </div>

<div style="TEXT-ALIGN: left; FONT-FAMILY: 'Times New Roman', Times, serif; FONT-SIZE: 10pt">&#160;</div>
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<table style="WIDTH: 100%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" id="z164972ef372f467db7604a87b2fc0d1b" cellspacing="0" cellpadding="0">
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<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>
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<td style="WIDTH: 17%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" valign="top" align="left">&#160; </td>
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<td style="WIDTH: 37%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" valign="top" align="left">&#160; </td>
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<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>
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<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>
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<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>
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<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>
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<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>
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<td style="WIDTH: 17%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" valign="top" align="left">&#160; </td>
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<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>
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<td style="WIDTH: 17%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" valign="top" align="left">&#160; </td>
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<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>
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<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>
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<td style="WIDTH: 17%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" valign="top" align="left">&#160; </td>
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<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>
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</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>
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<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>
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<td style="WIDTH: 17%; FONT-FAMILY: times new roman; FONT-SIZE: 10pt" valign="top" align="left">&#160; </td>
</tr>
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