<SEC-DOCUMENT>0001144204-16-082544.txt : 20160216
<SEC-HEADER>0001144204-16-082544.hdr.sgml : 20160215
<ACCEPTANCE-DATETIME>20160216160407
ACCESSION NUMBER:		0001144204-16-082544
CONFORMED SUBMISSION TYPE:	SC 13G
PUBLIC DOCUMENT COUNT:		2
FILED AS OF DATE:		20160216
DATE AS OF CHANGE:		20160216
GROUP MEMBERS:		BAKER BROS. ADVISORS (GP) LLC
GROUP MEMBERS:		FELIX J. BAKER
GROUP MEMBERS:		JULIAN C. BAKER

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SANGAMO BIOSCIENCES INC
		CENTRAL INDEX KEY:			0001001233
		STANDARD INDUSTRIAL CLASSIFICATION:	BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836]
		IRS NUMBER:				680359556
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-59049
		FILM NUMBER:		161427919

	BUSINESS ADDRESS:	
		STREET 1:		501 CANAL BLVD
		STREET 2:		POINT RICHMOND TECH CNTR.
		CITY:			RICHMOND
		STATE:			CA
		ZIP:			94804
		BUSINESS PHONE:		5109706000

	MAIL ADDRESS:	
		STREET 1:		501 CANAL BLVD
		STREET 2:		POINT RICHMOND TECH CNTR.
		CITY:			RICHMOND
		STATE:			CA
		ZIP:			94804

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			BAKER BROS. ADVISORS LP
		CENTRAL INDEX KEY:			0001263508
		IRS NUMBER:				134093645
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G

	BUSINESS ADDRESS:	
		STREET 1:		667 MADISON AVE
		STREET 2:		21ST FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10065
		BUSINESS PHONE:		2123395600

	MAIL ADDRESS:	
		STREET 1:		667 MADISON AVE
		STREET 2:		21ST FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10065

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	BAKER BROS ADVISORS LLC
		DATE OF NAME CHANGE:	20030911
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G
<SEQUENCE>1
<FILENAME>v431190_sc13g.htm
<DESCRIPTION>SC 13G
<TEXT>
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<P STYLE="margin: 0">&nbsp;&nbsp;</P>

<P STYLE="font: bold 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center">SCHEDULE 13G</P>

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

<P STYLE="font: bold 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center">SECURITIES AND EXCHANGE
COMMISSION<BR>
WASHINGTON, DC 20549<BR>
<BR>
<FONT STYLE="font-weight: normal">Under the Securities Exchange Act of 1934</FONT><BR>
<FONT STYLE="font-weight: normal">(Amendment No.)*</FONT></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center"><B>Sangamo Biosciences, Inc.</B></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center">(Name of Issuer)</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center"><B>Common Stock, par value $0.01 per share</B></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center">(Title of Class of Securities)</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center"><B>800677106</B></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center">(CUSIP Number)</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center"><B>December 31, 2015</B></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center">(Date of Event which
Requires Filing of this Statement)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-align: justify; text-indent: 0.5in"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-align: justify; text-indent: 0.5in"><B>Check
the appropriate box to designate the rule pursuant to which this Schedule is filed:</B></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 1in; text-indent: 0in"><FONT STYLE="font-family: Wingdings"><B>x</B></FONT><B>
Rule 13d-1(b)</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 1in; text-indent: 0in"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 1in; text-indent: 0in"><FONT STYLE="font-family: Wingdings"><B>&#168;</B></FONT><B>
Rule 13d-1(c)</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 1in; text-indent: 0in"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 1in; text-indent: 0in"><FONT STYLE="font-family: Wingdings"><B>&#168;</B></FONT><B>
Rule 13d-1(d)</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-align: left; text-indent: 0.5in"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-align: left; text-indent: 0.5in"><B>*The remainder
of this cover page shall be filled out for a reporting person&rsquo;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.</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-align: left; text-indent: 0.5in"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-align: left; text-indent: 0.5in"><B>The information
required on the remainder of this cover page shall not be deemed to be &ldquo;filed&rdquo; for the purpose of Section&nbsp;18 of
the Securities Exchange Act of 1934 (the &ldquo;Act&rdquo;) 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).</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-align: left; text-indent: 0.5in"><B>&nbsp;</B></P>


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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>CUSIP No. &nbsp;<U>800677106</U></B></P>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font-size: 10pt; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 5%; border: Black 1pt solid; font: bold 18pt Times New Roman, Times, Serif; padding-right: 0.6pt; padding-left: 0.6pt; text-align: center"><FONT STYLE="font-size: 18pt"><B>1</B></FONT></TD>
    <TD STYLE="width: 95%; border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 0.6pt; padding-left: 0.6pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0"><B>NAMES OF REPORTING PERSONS</B><BR>
        <BR>
        Baker Bros. Advisors LP</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">&nbsp;</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; font: bold 18pt Times New Roman, Times, Serif; padding-right: 0.6pt; padding-left: 0.6pt; text-align: center"><FONT STYLE="font-size: 18pt"><B>2</B></FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 0.6pt; padding-left: 0.6pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See Instructions)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a)
        <FONT STYLE="font-family: Wingdings">&#168;</FONT> </B></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>(b) <FONT STYLE="font-family: Wingdings">&#168;</FONT></B></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>&nbsp;</B></P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; font: bold 18pt Times New Roman, Times, Serif; padding-right: 0.6pt; padding-left: 0.6pt; text-align: center"><FONT STYLE="font-size: 18pt"><B>3</B></FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; font: bold 10pt Times New Roman, Times, Serif; padding-right: 0.6pt; padding-left: 0.6pt"><FONT STYLE="font-size: 10pt"><B>&nbsp;SEC USE ONLY</B></FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: Black 1pt solid; border-left: Black 1pt solid; font: bold 18pt Times New Roman, Times, Serif; padding-right: 0.6pt; padding-left: 0.6pt; text-align: center"><FONT STYLE="font-size: 18pt"><B>4</B></FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; padding-right: 0.6pt; padding-left: 0.6pt"><FONT STYLE="font-size: 10pt"><B>&nbsp;CITIZENSHIP
    OR PLACE OF ORGANIZATION</B></FONT><BR>
    <BR>
    &nbsp;&nbsp;Delaware</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font-size: 10pt; width: 100%; border-collapse: collapse">
<TR>
    <TD ROWSPAN="4" STYLE="border-top: Black 1pt solid; border-right: Black 1pt solid; border-left: Black 1pt solid; padding-right: 0.6pt; padding-left: 0.6pt; width: 20%">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>&nbsp;</B></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>NUMBER OF<BR>
        SHARES<BR>
        BENEFICIALLY<BR>
        OWNED BY<BR>
        EACH<BR>
        REPORTING<BR>
        PERSON<BR>
        WITH</B></P></TD>
    <TD STYLE="vertical-align: top; border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; font: bold 18pt Times New Roman, Times, Serif; padding-right: 0.6pt; padding-left: 0.6pt; text-align: center; width: 10%"><FONT STYLE="font-size: 18pt"><B>5</B></FONT></TD>
    <TD STYLE="vertical-align: top; border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; padding-right: 0.6pt; padding-left: 0.6pt; width: 70%"><FONT STYLE="font-size: 10pt"><B>&nbsp;SOLE VOTING POWER</B></FONT><BR>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;4,055,876</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; font: bold 18pt Times New Roman, Times, Serif; padding-right: 0.6pt; padding-left: 0.6pt; text-align: center"><FONT STYLE="font-size: 18pt"><B>6</B></FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; vertical-align: top; padding-right: 0.6pt; padding-left: 0.6pt"><FONT STYLE="font-size: 10pt"><B>&nbsp;SHARED
VOTING POWER</B></FONT><BR>
<FONT STYLE="font-size: 10pt"><B>&nbsp;&nbsp;</B></FONT><BR>
<FONT STYLE="font-size: 10pt">&nbsp;&nbsp;</FONT>&nbsp;&nbsp;&nbsp;&nbsp;<B>&nbsp; </B>-0-&nbsp;&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; font: bold 18pt Times New Roman, Times, Serif; padding-right: 0.6pt; padding-left: 0.6pt; text-align: center"><FONT STYLE="font-size: 18pt"><B>7</B></FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; vertical-align: top; padding-right: 0.6pt; padding-left: 0.6pt"><FONT STYLE="font-size: 10pt"><B>&nbsp;SOLE DISPOSITIVE POWER</B></FONT><BR>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;4,055,876</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: Black 1pt solid; font: bold 18pt Times New Roman, Times, Serif; padding-right: 0.6pt; padding-left: 0.6pt; text-align: center"><FONT STYLE="font-size: 18pt"><B>8</B></FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; vertical-align: top; padding-right: 0.6pt; padding-left: 0.6pt"><FONT STYLE="font-size: 10pt"><B>&nbsp;SHARED DISPOSITIVE POWER</B></FONT><BR>
<BR>
<FONT STYLE="font-size: 10pt">&nbsp;&nbsp;</FONT>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;-0-</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font-size: 10pt; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 5%; border: Black 1pt solid; font: bold 18pt Times New Roman, Times, Serif; padding-right: 0.6pt; padding-left: 0.6pt; text-align: center"><FONT STYLE="font-size: 18pt"><B>9</B></FONT></TD>
    <TD STYLE="width: 95%; border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; vertical-align: top; padding-right: 0.6pt; padding-left: 0.6pt"><FONT STYLE="font-size: 10pt"><B>&nbsp;AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON</B></FONT><BR>
<BR>
<FONT STYLE="font-size: 10pt"><B>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</B></FONT>4,055,876</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; font: bold 18pt Times New Roman, Times, Serif; padding-right: 0.6pt; padding-left: 0.6pt; text-align: center"><FONT STYLE="font-size: 18pt"><B>10</B></FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 0.6pt; padding-left: 0.6pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;<FONT STYLE="font-size: 10pt"><B>CHECK BOX IF THE AGGREGATE
        AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<FONT STYLE="font-family: Wingdings">&#168;</FONT></B></FONT><B> </B></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0"><B>(See Instructions)</B></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0">&nbsp;</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; font: bold 18pt Times New Roman, Times, Serif; padding-right: 0.6pt; padding-left: 0.6pt; text-align: center"><FONT STYLE="font-size: 18pt"><B>11</B></FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; font: 10pt Times New Roman, Times, Serif; vertical-align: top; padding-right: 0.6pt; padding-left: 0.6pt"><FONT STYLE="font-size: 10pt"><B>&nbsp;PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9</B></FONT><BR>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;5.8% (1)</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; font: bold 18pt Times New Roman, Times, Serif; padding-right: 0.6pt; padding-left: 0.6pt; text-align: center"><FONT STYLE="font-size: 18pt"><B>12</B></FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 0.6pt; text-align: left; vertical-align: bottom">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0"><FONT STYLE="font-size: 10pt"><B>TYPE OF
        REPORTING PERSON (See Instructions)</B></FONT></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0"><BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;IA, PN</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"></P></TD></TR>
</TABLE>
<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.25in"></TD><TD STYLE="width: 0.25in">(1)</TD><TD>Based on 70,046,841 shares of common stock outstanding as of October 26, 2015, as reported in the Issuer&rsquo;s Form 10-Q
filed with the SEC on October 30, 2015.</TD></TR></TABLE>

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

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


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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>CUSIP No. &nbsp;<U>800677106</U></B></P>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 5%; border: Black 1pt solid; padding-right: 0.6pt; padding-left: 0.6pt; font-size: 18pt; font-weight: bold; text-align: center"><FONT STYLE="font-size: 18pt"><B>1</B></FONT></TD>
    <TD STYLE="width: 95%; border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 0.6pt; padding-left: 0.6pt; font-size: 10pt; font-weight: normal; font-style: normal"><P STYLE="margin-top: 0; margin-bottom: 0"><FONT STYLE="font-size: 10pt"><B>&nbsp;NAMES OF REPORTING PERSONS</B></FONT><BR> <FONT STYLE="font-size: 10pt"><B>&nbsp;</B></FONT><BR> <FONT STYLE="font-size: 10pt">Baker Bros. Advisors (GP) LLC</FONT></P>
                                                                                <P STYLE="margin-top: 0; margin-bottom: 0">&nbsp;</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 0.6pt; padding-left: 0.6pt; font-size: 18pt; font-weight: bold; text-align: center"><FONT STYLE="font-size: 18pt"><B>2</B></FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 0.6pt; padding-left: 0.6pt; font-size: 10pt; font-weight: bold"><P STYLE="margin-top: 0; margin-bottom: 0">&nbsp;CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See Instructions)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a) <FONT STYLE="font-family: Wingdings">&#168;</FONT><BR> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b) <FONT STYLE="font-family: Wingdings">&#168;</FONT></P>
                                                                                <P STYLE="margin-top: 0; margin-bottom: 0"><FONT STYLE="font-size: 10pt"><B>&nbsp;</B></FonT></P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 0.6pt; padding-left: 0.6pt; font-size: 18pt; font-weight: bold; text-align: center"><FONT STYLE="font-size: 18pt"><B>3</B></FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 0.6pt; padding-left: 0.6pt; font-size: 10pt; font-weight: bold"><FONT STYLE="font-size: 10pt"><B>&nbsp;SEC USE ONLY</B></FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: Black 1pt solid; border-left: Black 1pt solid; padding-right: 0.6pt; padding-left: 0.6pt; font-size: 18pt; font-weight: bold; text-align: center"><FONT STYLE="font-size: 18pt"><B>4</B></FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; padding-right: 0.6pt; padding-left: 0.6pt; font-size: 10pt; font-weight: normal; font-style: normal"><FONT STYLE="font-size: 10pt"><B>&nbsp;CITIZENSHIP OR PLACE OF ORGANIZATION</B></FONT><BR>
<BR>
<B>&nbsp;&nbsp;</B>Delaware</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR>
    <TD ROWSPAN="4" STYLE="border-top: Black 1pt solid; border-right: Black 1pt solid; border-left: Black 1pt solid; padding-right: 0.6pt; padding-left: 0.6pt; font-size: 10pt; font-weight: bold; text-align: center; width: 20%"><FONT STYLE="font-size: 10pt"><B>NUMBER OF</B></FONT><BR>
<FONT STYLE="font-size: 10pt"><B>SHARES</B></FONT><BR>
<FONT STYLE="font-size: 10pt"><B>BENEFICIALLY</B></FONT><BR>
<FONT STYLE="font-size: 10pt"><B>OWNED BY</B></FONT><BR>
<FONT STYLE="font-size: 10pt"><B>EACH</B></FONT><BR>
<FONT STYLE="font-size: 10pt"><B>REPORTING</B></FONT><BR>
<FONT STYLE="font-size: 10pt"><B>PERSON</B></FONT><BR>
<FONT STYLE="font-size: 10pt"><B>WITH</B></FONT></TD>
    <TD STYLE="vertical-align: top; border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 0.6pt; padding-left: 0.6pt; font-size: 18pt; font-weight: bold; text-align: center; width: 10%"><FONT STYLE="font-size: 18pt"><B>5</B></FONT></TD>
    <TD STYLE="border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 0.6pt; padding-left: 0.6pt; font-size: 10pt; font-weight: normal; width: 70%; font-style: normal"><FONT STYLE="font-size: 10pt"><B>&nbsp;SOLE VOTING POWER</B></FONT><BR>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;4,055,876</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 0.6pt; padding-left: 0.6pt; font-size: 18pt; font-weight: bold; text-align: center"><FONT STYLE="font-size: 18pt"><B>6</B></FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 0.6pt; padding-left: 0.6pt; font-size: 10pt; font-weight: normal; font-style: normal"><FONT STYLE="font-size: 10pt"><B>&nbsp;SHARED VOTING POWER</B></FONT><BR>
<FONT STYLE="font-size: 10pt"><B>&nbsp;&nbsp;</B></FONT><BR>
<FONT STYLE="font-size: 10pt">&nbsp;&nbsp;</FONT>&nbsp;&nbsp;<B>&nbsp;&nbsp;&nbsp;</B>-0-&nbsp;&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 0.6pt; padding-left: 0.6pt; font-size: 18pt; font-weight: bold; text-align: center"><FONT STYLE="font-size: 18pt"><B>7</B></FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 0.6pt; padding-left: 0.6pt; font-size: 10pt; font-weight: normal; font-style: normal"><FONT STYLE="font-size: 10pt"><B>&nbsp;SOLE DISPOSITIVE POWER</B></FONT><BR>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;4,055,876</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: Black 1pt solid; padding-right: 0.6pt; padding-left: 0.6pt; font-size: 18pt; font-weight: bold; text-align: center"><FONT STYLE="font-size: 18pt"><B>8</B></FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; padding-right: 0.6pt; padding-left: 0.6pt; font-size: 10pt; font-weight: normal; font-style: normal"><FONT STYLE="font-size: 10pt"><B>&nbsp;SHARED DISPOSITIVE POWER</B></FONT><BR>
<BR>
<FONT STYLE="font-size: 10pt">&nbsp;&nbsp;</FONT>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;-0-</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 5%; border: Black 1pt solid; padding-right: 0.6pt; padding-left: 0.6pt; font-size: 18pt; font-weight: bold; text-align: center"><FONT STYLE="font-size: 18pt"><B>9</B></FONT></TD>
    <TD STYLE="width: 95%; border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 0.6pt; padding-left: 0.6pt; font-size: 10pt"><FONT STYLE="font-size: 10pt"><B>&nbsp;AGGREGATE
    AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON</B></FONT><BR>
    <BR>
    <FONT STYLE="font-size: 10pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>4,055,876</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 0.6pt; padding-left: 0.6pt; font-size: 18pt; font-weight: bold; text-align: center"><FONT STYLE="font-size: 18pt"><B>10</B></FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 0.6pt; padding-left: 0.6pt; font-size: 10pt; font-weight: bold"><P STYLE="margin-top: 0; margin-bottom: 0"><FONT STYLE="font-size: 10pt"><B>&nbsp;CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<FONT STYLE="font-family: Wingdings">&#168;<BR> </FONT>(See Instructions)</B></FONT></P>
                                                                                <P STYLE="margin-top: 0; margin-bottom: 0"><FONT STYLE="font-size: 10pt"><B>&nbsp;</B></Font></P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 0.6pt; padding-left: 0.6pt; font-size: 18pt; font-weight: bold; text-align: center"><FONT STYLE="font-size: 18pt"><B>11</B></FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 0.6pt; padding-left: 0.6pt; font-size: 10pt; font-weight: normal; font-style: normal"><FONT STYLE="font-size: 10pt"><B>&nbsp;PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9</B></FONT><BR>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;5.8% (1)</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 0.6pt; padding-left: 0.6pt; font-size: 18pt; font-weight: bold; text-align: center"><FONT STYLE="font-size: 18pt"><B>12</B></FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 0.6pt; padding-left: 0.6pt; font-size: 10pt; font-weight: normal; font-style: normal"><FONT STYLE="font-size: 10pt"><B>&nbsp;TYPE OF REPORTING PERSON (See Instructions)</B></FONT><BR>
&nbsp;&nbsp;&nbsp;&nbsp;<BR>
&nbsp;&nbsp;&nbsp;&nbsp;HC, OO<B> </B></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in">Based on 70,046,841 shares of common stock outstanding
as of October 26, 2015, as reported in the Issuer&rsquo;s Form 10-Q filed with the SEC on October 30, 2015.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-align: left; text-indent: 0.5in"><B>&nbsp;</B></P>


<!-- Field: Page; Sequence: 3; Value: 1 -->
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>CUSIP No. &nbsp;<U>800677106</U></B></P>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: normal 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top; font-style: normal; font-weight: normal">
    <TD STYLE="width: 5%; border: Black 1pt solid; padding-right: 0.6pt; padding-left: 0.6pt; font-size: 18pt; font-weight: bold; text-align: center"><FONT STYLE="font-size: 18pt"><B>1</B></FONT></TD>
    <TD STYLE="width: 95%; border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 0.6pt; padding-left: 0.6pt; font-size: 10pt; font-weight: normal; font-style: normal"><P STYLE="margin-top: 0; margin-bottom: 0; font-weight: bold"><FONT STYLE="font-size: 10pt; font-weight: normal; font-style: normal">&nbsp;</FONT><FONT STYLE="font-size: 10pt"><B>NAMES
                                         OF REPORTING PERSONS</B></FONT><BR>
                                         <FONT STYLE="font-size: 10pt; font-weight: normal; font-style: normal">&nbsp;</FONT><BR>
                                         <FONT STYLE="font-weight: normal; font-style: normal">&nbsp;&nbsp;Felix J. Baker</FONT></P>
                                                                                <P STYLE="margin-top: 0; margin-bottom: 0; font-style: normal; font-weight: normal"><FONT STYLE="font-weight: normal; font-style: normal">&nbsp;</FONT></P></TD></TR>
<TR STYLE="vertical-align: top; font-style: normal; font-weight: normal">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 0.6pt; padding-left: 0.6pt; font-size: 18pt; font-weight: normal; text-align: center; font-style: normal"><FONT STYLE="font-size: 18pt"><B>2</B></FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 0.6pt; padding-left: 0.6pt; font-size: 10pt; font-weight: normal; font-style: normal"><P STYLE="margin-top: 0; margin-bottom: 0; font-weight: bold"><FONT STYLE="font-size: 10pt; font-weight: normal; font-style: normal">&nbsp;</FONT><FONT STYLE="font-size: 10pt"><B>CHECK
                                         THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See Instructions)</B><FONT STYLE="font-weight: normal; font-style: normal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT></FONT><FONT STYLE="font-size: 10pt"><B>(a)
                                         </B><FONT STYLE="font-family: Wingdings; font-weight: normal; font-style: normal">&#168;</FONT></FONT><FONT STYLE="font-size: 10pt; font-weight: normal; font-style: normal">&nbsp;&nbsp;</FONT><BR>
                                         <FONT STYLE="font-size: 10pt; font-weight: normal; font-style: normal">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT STYLE="font-size: 10pt"><B>(b)
                                         </B></FONT><FONT STYLE="font-family: Wingdings; font-weight: normal; font-style: normal">&#168;</FONT><FONT STYLE="font-size: 10pt; font-weight: normal; font-style: normal">&nbsp;</FONT></P></TD></TR>
<TR STYLE="vertical-align: top; font-style: normal; font-weight: normal">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 0.6pt; padding-left: 0.6pt; font-size: 18pt; font-weight: normal; text-align: center; font-style: normal"><FONT STYLE="font-size: 18pt"><B>3</B></FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 0.6pt; padding-left: 0.6pt; font-size: 10pt; font-weight: normal; font-style: normal"><FONT STYLE="font-size: 10pt"><B>&nbsp;SEC
    USE ONLY</B></FONT></TD></TR>
<TR STYLE="vertical-align: top; font-style: normal; font-weight: normal">
    <TD STYLE="border-right: Black 1pt solid; border-left: Black 1pt solid; padding-right: 0.6pt; padding-left: 0.6pt; font-size: 18pt; font-weight: normal; text-align: center; font-style: normal"><FONT STYLE="font-size: 18pt"><B>4</B></FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; padding-right: 0.6pt; padding-left: 0.6pt; font-size: 10pt; font-weight: normal; font-style: normal"><FONT STYLE="font-size: 10pt; font-weight: normal; font-style: normal">&nbsp;</FONT><FONT STYLE="font-size: 10pt"><B>CITIZENSHIP
    OR PLACE OF ORGANIZATION</B></FONT><BR>
    <BR>
    <FONT STYLE="font-weight: normal; font-style: normal">&nbsp;&nbsp;United States</FONT></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR>
    <TD ROWSPAN="4" STYLE="border-top: Black 1pt solid; border-right: Black 1pt solid; border-left: Black 1pt solid; padding-right: 0.6pt; padding-left: 0.6pt; font-size: 10pt; font-weight: bold; text-align: center; width: 20%"><FONT STYLE="font-size: 10pt"><B>NUMBER OF</B></FONT><BR>
<FONT STYLE="font-size: 10pt"><B>SHARES</B></FONT><BR>
<FONT STYLE="font-size: 10pt"><B>BENEFICIALLY</B></FONT><BR>
<FONT STYLE="font-size: 10pt"><B>OWNED BY</B></FONT><BR>
<FONT STYLE="font-size: 10pt"><B>EACH</B></FONT><BR>
<FONT STYLE="font-size: 10pt"><B>REPORTING</B></FONT><BR>
<FONT STYLE="font-size: 10pt"><B>PERSON</B></FONT><BR>
<FONT STYLE="font-size: 10pt"><B>WITH</B></FONT></TD>
    <TD STYLE="vertical-align: top; border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 0.6pt; padding-left: 0.6pt; font-size: 18pt; font-weight: bold; text-align: center; width: 10%"><FONT STYLE="font-size: 18pt"><B>5</B></FONT></TD>
    <TD STYLE="border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 0.6pt; padding-left: 0.6pt; font-size: 10pt; font-weight: normal; width: 70%; font-style: normal"><FONT STYLE="font-size: 10pt"><B>&nbsp;SOLE VOTING POWER</B></FONT><BR>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;4,055,876</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 0.6pt; padding-left: 0.6pt; font-size: 18pt; font-weight: bold; text-align: center"><FONT STYLE="font-size: 18pt"><B>6</B></FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 0.6pt; padding-left: 0.6pt; font-size: 10pt; font-weight: normal; font-style: normal"><FONT STYLE="font-size: 10pt"><B>&nbsp;SHARED VOTING POWER</B></FONT><BR>
<BR>
<FONT STYLE="font-size: 10pt">&nbsp;&nbsp;</FONT>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;-0-</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 0.6pt; padding-left: 0.6pt; font-size: 18pt; font-weight: bold; text-align: center"><FONT STYLE="font-size: 18pt"><B>7</B></FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 0.6pt; padding-left: 0.6pt; font-size: 10pt; font-weight: normal; font-style: normal"><FONT STYLE="font-size: 10pt"><B>&nbsp;SOLE DISPOSITIVE POWER</B></FONT><BR>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;4,055,876</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: Black 1pt solid; padding-right: 0.6pt; padding-left: 0.6pt; font-size: 18pt; font-weight: bold; text-align: center"><FONT STYLE="font-size: 18pt"><B>8</B></FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; padding-right: 0.6pt; padding-left: 0.6pt; font-size: 10pt; font-weight: normal; font-style: normal"><FONT STYLE="font-size: 10pt"><B>&nbsp;SHARED DISPOSITIVE POWER</B></FONT><BR>
<BR>
<FONT STYLE="font-size: 10pt">&nbsp;&nbsp;</FONT>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;-0-</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 5%; border: Black 1pt solid; padding-right: 0.6pt; padding-left: 0.6pt; font-size: 18pt; font-weight: bold; text-align: center"><FONT STYLE="font-size: 18pt"><B>9</B></FONT></TD>
    <TD STYLE="width: 95%; border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 0.6pt; padding-left: 0.6pt; font-size: 10pt; font-weight: normal; font-style: normal"><FONT STYLE="font-size: 10pt"><B>&nbsp;AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON</B></FONT><BR>
<BR>
<FONT STYLE="font-size: 10pt"><B>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</B></FONT>4,055,876</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 0.6pt; padding-left: 0.6pt; font-size: 18pt; font-weight: bold; text-align: center"><FONT STYLE="font-size: 18pt"><B>10</B></FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 0.6pt; padding-left: 0.6pt; font-size: 10pt; font-weight: bold"><P STYLE="margin-top: 0; margin-bottom: 0"><FONT STYLE="font-size: 10pt"><B>&nbsp;CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<FONT STYLE="font-family: Wingdings">&#168;</FONT></B></FONT><BR> <B>&nbsp;<FONT STYLE="font-size: 10pt">&nbsp;(See Instructions)</FONT></B></P>
                                                                                <P STYLE="margin-top: 0; margin-bottom: 0"><B><FONT STYLE="font-size: 10pt">&nbsp;</Font></B></P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 0.6pt; padding-left: 0.6pt; font-size: 18pt; font-weight: bold; text-align: center"><FONT STYLE="font-size: 18pt"><B>11</B></FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 0.6pt; padding-left: 0.6pt; font-size: 10pt; font-weight: normal; font-style: normal"><FONT STYLE="font-size: 10pt"><B>&nbsp;PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9</B></FONT><BR>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;5.8% (1)</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 0.6pt; padding-left: 0.6pt; font-size: 18pt; font-weight: bold; text-align: center"><FONT STYLE="font-size: 18pt"><B>12</B></FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 0.6pt; padding-left: 0.6pt; font-size: 10pt; font-weight: normal; font-style: normal"><FONT STYLE="font-size: 10pt"><B>&nbsp;TYPE OF REPORTING PERSON (See Instructions)<BR>
</B></FONT><BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;IN, HC<B> </B></TD></TR>
</TABLE>
<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.25in"></TD><TD STYLE="width: 0.25in"><B>(1)</B></TD><TD><FONT STYLE="font-size: 10pt">Based on 70,046,841 shares of common stock outstanding as of October 26, 2015, as reported in
the Issuer&rsquo;s Form 10-Q filed with the SEC on October 30, 2015.</FONT></TD></TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: -0.25in"><B>&nbsp;</B></P>


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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD COLSPAN="2" STYLE="padding-right: 0.6pt; padding-left: 0.6pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>CUSIP No. &nbsp;<U>800677106</U></B></P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD COLSPAN="2" STYLE="border-bottom: Black 1pt solid; padding-right: 0.6pt; padding-left: 0.6pt; font-size: 10pt; font-weight: bold; text-align: center">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 5%; border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 0.6pt; padding-left: 0.6pt; font-size: 18pt; font-weight: bold; text-align: center"><FONT STYLE="font-size: 18pt"><B>1</B></FONT></TD>
    <TD STYLE="width: 95%; border-bottom: Black 1pt solid; border-right: Black 1pt solid; padding-right: 0.6pt; padding-left: 0.6pt; font-size: 10pt; font-weight: normal; font-style: normal"><P STYLE="margin-top: 0; margin-bottom: 0"><FONT STYLE="font-size: 10pt"><B>&nbsp;NAMES OF REPORTING PERSONS</B></FONT><BR> <FONT STYLE="font-size: 10pt"><B>&nbsp;</B></FONT><BR> <B>&nbsp;&nbsp;</B>Julian C. Baker</P>
                                                                                <P STYLE="margin-top: 0; margin-bottom: 0">&nbsp;</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 0.6pt; padding-left: 0.6pt; font-size: 18pt; font-weight: bold; text-align: center"><FONT STYLE="font-size: 18pt"><B>2</B></FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 0.6pt; padding-left: 0.6pt; font-size: 10pt; font-weight: bold"><P STYLE="margin-top: 0; margin-bottom: 0"><FONT STYLE="font-size: 10pt"><B>&nbsp;CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (See Instructions)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a) <FONT STYLE="font-family: Wingdings">&#168;</FONT></B></FONT><B><BR> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<FONT STYLE="font-size: 10pt">(b)</FONT> <FONT STYLE="font-family: Wingdings">&#168;</FONT>&nbsp;&nbsp;</B></P>
                                                                                <P STYLE="margin-top: 0; margin-bottom: 0">&nbsp;</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 0.6pt; padding-left: 0.6pt; font-size: 18pt; font-weight: bold; text-align: center"><FONT STYLE="font-size: 18pt"><B>3</B></FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 0.6pt; padding-left: 0.6pt; font-size: 10pt; font-weight: bold"><FONT STYLE="font-size: 10pt"><B>&nbsp;SEC USE ONLY</B></FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: Black 1pt solid; border-left: Black 1pt solid; padding-right: 0.6pt; padding-left: 0.6pt; font-size: 18pt; font-weight: bold; text-align: center"><FONT STYLE="font-size: 18pt"><B>4</B></FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; padding-right: 0.6pt; padding-left: 0.6pt; font-size: 10pt; font-weight: normal; font-style: normal"><FONT STYLE="font-size: 10pt"><B>&nbsp;CITIZENSHIP OR PLACE OF ORGANIZATION</B></FONT><BR>
<BR>
<B>&nbsp;&nbsp;</B>United States</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR>
    <TD ROWSPAN="4" STYLE="border-top: Black 1pt solid; border-right: Black 1pt solid; border-left: Black 1pt solid; padding-right: 0.6pt; padding-left: 0.6pt; font-size: 10pt; font-weight: bold; text-align: center; width: 20%"><FONT STYLE="font-size: 10pt"><B>NUMBER OF</B></FONT><BR>
<FONT STYLE="font-size: 10pt"><B>SHARES </B></FONT><BR>
<FONT STYLE="font-size: 10pt"><B>BENEFICIALLY</B></FONT><BR>
<FONT STYLE="font-size: 10pt"><B>OWNED BY</B></FONT><BR>
<FONT STYLE="font-size: 10pt"><B>EACH</B></FONT><BR>
<FONT STYLE="font-size: 10pt"><B>REPORTING</B></FONT><BR>
<FONT STYLE="font-size: 10pt"><B>PERSON</B></FONT><BR>
<FONT STYLE="font-size: 10pt"><B>WITH</B></FONT></TD>
    <TD STYLE="vertical-align: top; border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 0.6pt; padding-left: 0.6pt; font-size: 18pt; font-weight: bold; text-align: center; width: 10%"><FONT STYLE="font-size: 18pt"><B>5</B></FONT></TD>
    <TD STYLE="vertical-align: top; border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 0.6pt; padding-left: 0.6pt; font-size: 10pt; font-weight: normal; width: 70%; font-style: normal"><FONT STYLE="font-size: 10pt"><B>&nbsp;SOLE VOTING POWER</B></FONT><BR>
<BR>
<B>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</B>4,055,876</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 0.6pt; padding-left: 0.6pt; font-size: 18pt; font-weight: bold; text-align: center"><FONT STYLE="font-size: 18pt"><B>6</B></FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 0.6pt; padding-left: 0.6pt; font-size: 10pt; font-weight: normal; font-style: normal; vertical-align: top"><FONT STYLE="font-size: 10pt"><B>&nbsp;SHARED VOTING POWER</B></FONT><BR>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;-0-</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 0.6pt; padding-left: 0.6pt; font-size: 18pt; font-weight: bold; text-align: center"><FONT STYLE="font-size: 18pt"><B>7</B></FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 0.6pt; padding-left: 0.6pt; font-size: 10pt; font-weight: normal; font-style: normal; vertical-align: top"><FONT STYLE="font-size: 10pt"><B>&nbsp;SOLE DISPOSITIVE POWER</B></FONT><BR>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;4,055,876</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: Black 1pt solid; padding-right: 0.6pt; padding-left: 0.6pt; font-size: 18pt; font-weight: bold; text-align: center"><FONT STYLE="font-size: 18pt"><B>8</B></FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; padding-right: 0.6pt; padding-left: 0.6pt; font-size: 10pt; font-weight: normal; font-style: normal; vertical-align: top"><FONT STYLE="font-size: 10pt"><B>&nbsp;SHARED DISPOSITIVE POWER</B></FONT><BR>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;-0-</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 5%; border: Black 1pt solid; padding-right: 0.6pt; padding-left: 0.6pt; font-size: 18pt; font-weight: bold; text-align: center"><FONT STYLE="font-size: 18pt"><B>9</B></FONT></TD>
    <TD STYLE="width: 95%; border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 0.6pt; padding-left: 0.6pt; font-size: 10pt; font-weight: normal; font-style: normal; vertical-align: top"><FONT STYLE="font-size: 10pt"><B>&nbsp;AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON</B></FONT><BR>
<BR>
<FONT STYLE="font-size: 10pt"><B>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</B></FONT>4,055,876</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 0.6pt; padding-left: 0.6pt; font-size: 18pt; font-weight: bold; text-align: center"><FONT STYLE="font-size: 18pt"><B>10</B></FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 0.6pt; padding-left: 0.6pt; font-size: 10pt; font-weight: bold"><P STYLE="margin-top: 0; margin-bottom: 0"><FONT STYLE="font-size: 10pt"><B>&nbsp;CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<FONT STYLE="font-family: Wingdings">&#168;</FONT></B><BR> </FONT><B>&nbsp;&nbsp;<FONT STYLE="font-size: 10pt">&nbsp;(See Instructions)</FONT></B></P>
                                                                                <P STYLE="margin-top: 0; margin-bottom: 0">&nbsp;</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 0.6pt; padding-left: 0.6pt; font-size: 18pt; font-weight: bold; text-align: center"><FONT STYLE="font-size: 18pt"><B>11</B></FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 0.6pt; padding-left: 0.6pt; font-size: 10pt; font-weight: normal; font-style: normal; vertical-align: top"><FONT STYLE="font-size: 10pt"><B>&nbsp;PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9</B></FONT><BR>
<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;5.8% (1)</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; padding-right: 0.6pt; padding-left: 0.6pt; font-size: 18pt; font-weight: bold; text-align: center"><FONT STYLE="font-size: 18pt"><B>12</B></FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 0.6pt; padding-left: 0.6pt; font-size: 10pt; font-weight: normal; font-style: normal; vertical-align: top"><FONT STYLE="font-size: 10pt"><B>&nbsp;TYPE OF REPORTING PERSON (See Instructions)</B><BR>
</FONT><BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;IN, HC<B> </B></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.25in"></TD><TD STYLE="width: 0.25in"><B>(1)</B></TD><TD><FONT STYLE="font-size: 10pt">Based on 70,046,841 shares of common stock outstanding as of October 26, 2015, as reported in
the Issuer&rsquo;s Form 10-Q filed with the SEC on October 30, 2015.</FONT></TD></TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: -0.25in"><B>&nbsp;</B></P>


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

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<TD STYLE="width: 0"></TD><TD STYLE="width: 1in; text-align: left"><B>Item 1(a)</B></TD><TD STYLE="text-align: justify"><B>Name of Issuer:</B></TD>
</TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in">Sangamo Biosciences,
Inc.<B> </B>(the &ldquo;Issuer&rdquo;)</P>

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

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<TD STYLE="width: 0"></TD><TD STYLE="width: 1in; text-align: left"><B>Item 1(b)</B></TD><TD STYLE="text-align: justify"><B>Address of Issuer&rsquo;s Principal Executive Offices:</B></TD>
</TR></TABLE>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">501 Canal Blvd.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">Richmond, CA 94804</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 0"></TD><TD STYLE="width: 1in; text-align: left"><B>Item 2(a)</B></TD><TD STYLE="text-align: justify"><B>Name of Person Filing:</B></TD>
</TR></TABLE>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">This Schedule 13G is being filed jointly by  Baker Bros.
Advisors LP (the &ldquo;Adviser&rdquo;), Baker Bros. Advisors (GP) LLC (the &ldquo;Adviser GP&rdquo;), Felix J. Baker and Julian
C. Baker (collectively, the &ldquo;Reporting Persons&rdquo;).</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 0"></TD><TD STYLE="width: 1in; text-align: left"><B>Item 2(b)</B></TD><TD STYLE="text-align: justify"><B>Address of Principal Business Office or, if None, Residence:</B></TD>
</TR></TABLE>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">The business address of each of
the Reporting Persons is:</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">c/o Baker Bros. Advisors LP</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">667 Madison Avenue, 21<SUP>st</SUP>
Floor</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">New York, NY 10065</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; text-align: left; margin-bottom: 0pt; margin-left: 1in">(212) 339-5690</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 0"></TD><TD STYLE="width: 1in; text-align: left"><B>Item 2(c)</B></TD><TD STYLE="text-align: justify"><B>Citizenship:</B></TD>
</TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 1in">The Adviser is a limited partnership organized under
the laws of the State of Delaware. The Adviser GP is a limited liability company organized under the laws of the State of Delaware.
The citizenship of each of Julian C. Baker and Felix J. Baker is the United States of America.</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 0"></TD><TD STYLE="width: 1in; text-align: left"><B>Item 2(d)</B></TD><TD STYLE="text-align: justify"><B>Title of Class of Securities</B></TD>
</TR></TABLE>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; text-align: left; margin-bottom: 0pt; margin-left: 1in">Common Stock, $0.01<B> </B>par value per share (&ldquo;Common Stock&rdquo;)</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 0"></TD><TD STYLE="width: 1in; text-align: left"><B>Item 2(e)</B></TD><TD STYLE="text-align: justify"><B>CUSIP Number</B></TD>
</TR></TABLE>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">800677106</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 0"></TD><TD STYLE="width: 1in; text-align: left"><B>Item 3.</B></TD><TD STYLE="text-align: justify"><B>If this statement is filed pursuant to &sect;&sect;240.13d-1(b)
or (c), check whether the person filing is a:</B></TD>
</TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">(a) <FONT STYLE="font-family: Wingdings; font-size: 10pt">&#168;</FONT>
Broker or dealer registered under Section 15 of the Exchange Act.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">(b) <FONT STYLE="font-family: Wingdings; font-size: 10pt">&#168;</FONT>
Bank as defined in section 3(a)(6) of the Exchange Act.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">&nbsp;</P>


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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">(c) <FONT STYLE="font-family: Wingdings; font-size: 10pt">&#168;</FONT>
Insurance company as defined in section 3(a)(19) of the Exchange Act.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">(d) <FONT STYLE="font-family: Wingdings; font-size: 10pt">&#168;</FONT>
Investment company registered under section 8 of the Investment Company Act of 1940.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">(e) <FONT STYLE="font-family: Wingdings; font-size: 10pt">x</FONT>
An investment adviser in accordance with Rule 13d-1(b)(1)(ii)(E).</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">(f) <FONT STYLE="font-family: Wingdings; font-size: 10pt">&#168;</FONT>
An employee benefit plan or endowment fund in accordance with Rule 13d-1(b)(1)(ii)(F).</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">(g) <FONT STYLE="font-family: Wingdings; font-size: 10pt">x</FONT>
A parent holding company or control person in accordance with Rule 13d-1(b)(1)(ii)(G).</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">(h) <FONT STYLE="font-family: Wingdings; font-size: 10pt">&#168;</FONT>
A savings association as defined in Section 3(b) of the Federal Deposit Insurance Act.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">(i) <FONT STYLE="font-family: Wingdings; font-size: 10pt">&#168;</FONT>
A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act
of 1940.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">(j) <FONT STYLE="font-family: Wingdings; font-size: 10pt">&#168;</FONT>
Group, in accordance with Rule 13d-1(b)(1)(ii)(J).</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 0"></TD><TD STYLE="width: 1in; text-align: left"><B>Item 4.</B></TD><TD STYLE="text-align: justify"><B>Ownership.</B></TD>
</TR></TABLE>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Items 5 through 9 and 11 of each of the cover pages to this
Schedule 13G are incorporated herein reference. Certain securities of the Issuer are directly held by each of Baker Brothers Life
Sciences, L.P. (&ldquo;Life Sciences&rdquo;) and 667, L.P. (&ldquo;667&rdquo;, and together with Life Sciences, the &ldquo;Funds&rdquo;).
The information set forth below is based upon 70,046,841 shares of Common Stock outstanding as of October 26, 2015, as reported
in the Issuer&rsquo;s Form 10-Q filed with the SEC on October 30, 2015.<B> </B>Such percentage figures are calculated in accordance
with Rule 13d-3 under the Securities Exchange Act of 1934, as amended.</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; width: 100%; font: 10pt Times New Roman, Times, Serif">
<TR STYLE="vertical-align: bottom">
    <TD>&nbsp;</TD><TD>&nbsp;</TD>
    <TD COLSPAN="2" STYLE="text-align: center">Number of Shares</TD><TD>&nbsp;</TD><TD>&nbsp;</TD>
    <TD COLSPAN="2" STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom">
    <TD>&nbsp;</TD><TD>&nbsp;</TD>
    <TD COLSPAN="2" STYLE="text-align: center">of Common Stock</TD><TD>&nbsp;</TD><TD>&nbsp;</TD>
    <TD COLSPAN="2" STYLE="text-align: center">&nbsp;</TD><TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom">
    <TD>&nbsp;</TD><TD>&nbsp;</TD>
    <TD COLSPAN="2" STYLE="text-align: center">we own or have</TD><TD>&nbsp;</TD><TD>&nbsp;</TD>
    <TD COLSPAN="2" STYLE="text-align: center">Percent of</TD><TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom">
    <TD>&nbsp;</TD><TD>&nbsp;</TD>
    <TD COLSPAN="2" STYLE="text-align: center">the right to acquire</TD><TD>&nbsp;</TD><TD>&nbsp;</TD>
    <TD COLSPAN="2" STYLE="text-align: center">Class</TD><TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom">
    <TD STYLE="border-bottom: Black 1pt solid">Name</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="text-align: center; border-bottom: Black 1pt solid">within 60 days</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="text-align: center; border-bottom: Black 1pt solid">Outstanding</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD STYLE="width: 64%; text-align: left">667, L.P.</TD><TD STYLE="width: 1%">&nbsp;</TD>
    <TD STYLE="width: 1%; text-align: left">&nbsp;</TD><TD STYLE="width: 15%; text-align: right">298,646</TD><TD STYLE="width: 1%; text-align: left">&nbsp;</TD><TD STYLE="width: 1%">&nbsp;</TD>
    <TD STYLE="width: 1%; text-align: left">&nbsp;</TD><TD STYLE="width: 15%; text-align: right">0.4</TD><TD STYLE="width: 1%; text-align: left">%</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-align: left; padding-bottom: 1pt">Baker Brothers Life Sciences, L.P.</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="text-align: left; border-bottom: Black 1pt solid">&nbsp;</TD><TD STYLE="text-align: right; border-bottom: Black 1pt solid">3,757,230</TD><TD STYLE="text-align: left; padding-bottom: 1pt">&nbsp;</TD><TD STYLE="padding-bottom: 1pt">&nbsp;</TD>
    <TD STYLE="text-align: left; border-bottom: Black 1pt solid">&nbsp;</TD><TD STYLE="text-align: right; border-bottom: Black 1pt solid">5.4</TD><TD STYLE="text-align: left; padding-bottom: 1pt">%</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,238,255)">
    <TD>Total</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">4,055,876</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">5.8</TD><TD STYLE="text-align: left">%</TD></TR>
</TABLE>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Pursuant to the amended and restated management agreements,
among the Adviser, the Funds and their respective general partners, the Funds&rsquo; respective general partners relinquished to
the Adviser all discretion and authority with respect to the investment and voting power of the securities held by the Funds, the
Adviser has complete and unlimited discretion and authority with respect to the Funds&rsquo; investments and voting power over
investments.</P>

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


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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">The Adviser GP, Felix J. Baker and Julian C. Baker as principals
of the Adviser GP, and the Adviser may be deemed to be beneficial owners of securities of the Issuer directly held by the Funds,
and may be deemed to have the sole power to vote or direct the vote of and the power to dispose or direct the disposition of such
securities.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">The Reporting Persons disclaim beneficial ownership of the securities
held by each of the Funds, and this Schedule 13G shall not be deemed an admission that the Reporting Persons are the beneficial
owners of such securities for purposes of Section 13(d) or for any other purpose.</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 0"></TD><TD STYLE="width: 1in; text-align: left"><B>Item 5.</B></TD><TD STYLE="text-align: justify"><B>Ownership of Five Percent or Less of a Class.</B></TD>
</TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left; text-indent: 1in">&#9;If this statement
is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more
than five percent of the class of securities, check the following <FONT STYLE="font-family: Wingdings; font-size: 10pt">&#168;</FONT>.
N/A</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left; text-indent: 0.5in">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 0"></TD><TD STYLE="width: 1in; text-align: left"><B>Item 6.</B></TD><TD STYLE="text-align: justify"><B>Ownership of More than Five Percent on Behalf of Another
Person.</B></TD>
</TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 1in">The information in Item 4 is incorporated herein by
reference.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 1in; text-indent: -1in"><B>&nbsp;</B></P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 0"></TD><TD STYLE="width: 1in; text-align: left"><B>Item 7.</B></TD><TD STYLE="text-align: justify"><B>Identification and Classification of the Subsidiary
Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.</B></TD>
</TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in">The information in Item
4 is incorporated herein by reference.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 1in; text-indent: -1in"><B>&nbsp;</B></P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 0"></TD><TD STYLE="width: 1in; text-align: left"><B>Item 8.</B></TD><TD STYLE="text-align: justify"><B>Identification and Classification of Members of the
Group.</B></TD>
</TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in">N/A</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 1in; text-indent: -1in"><B>&nbsp;</B></P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 0"></TD><TD STYLE="width: 1in; text-align: left"><B>Item 9.</B></TD><TD STYLE="text-align: justify"><B>Notice of Dissolution of Group.</B></TD>
</TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in">N/A</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 1in; text-indent: -1in"><B>&nbsp;</B></P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 0"></TD><TD STYLE="width: 1in; text-align: left"><B>Item 10.</B></TD><TD STYLE="text-align: justify"><B>Certification.</B></TD>
</TR></TABLE>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">By signing below I certify that, to the best of my knowledge
and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired
and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and
were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect.</P>

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


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

<P STYLE="font: bold 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center">SIGNATURE</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">After reasonable inquiry and to the best of my knowledge and
belief, I certify that the information set forth in this statement is true, complete and correct.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 3in; text-align: justify; text-indent: -3in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 3in; text-align: justify; text-indent: -3in">February 16,
2016</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 3in; text-indent: -3in">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="font-size: 10pt; font-weight: bold"><B>BAKER BROS. ADVISORS LP</B></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="font-size: 10pt; font-weight: bold">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="font-size: 10pt"><FONT STYLE="font-size: 10pt">By:&nbsp;&nbsp;Baker Bros. Advisors (GP) LLC, its general partner</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 50%">&nbsp;</TD>
    <TD STYLE="width: 3%">&nbsp;</TD>
    <TD STYLE="width: 47%">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD STYLE="font-size: 10pt">By:</TD>
    <TD STYLE="border-bottom: Black 1pt solid; font-size: 10pt">/s/ Scott L. Lessing</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD STYLE="font-size: 10pt">Name: Scott L. Lessing<BR>
Title: President</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 3in">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD COLSPAN="2" STYLE="font-size: 10pt; font-weight: bold"><B>BAKER BROS. ADVISORS (GP) LLC</B></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 50%">&nbsp;</TD>
    <TD STYLE="width: 3%">&nbsp;</TD>
    <TD STYLE="width: 47%">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD STYLE="font-size: 10pt">By:</TD>
    <TD STYLE="border-bottom: Black 1pt solid; font-size: 10pt">/s/ Scott L. Lessing</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD STYLE="font-size: 10pt">Name: Scott L. Lessing<BR>
Title: President</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 3in">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 50%; font-size: 10pt">&nbsp;</TD>
    <TD STYLE="width: 30%; font-size: 10pt; border-bottom: Black 1pt solid">/s/ Julian C. Baker</TD>
    <TD STYLE="width: 20%">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt; padding-left: 0.25in">Julian C. Baker</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt; border-bottom: Black 1pt solid">/s/ Felix J. Baker</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt; padding-left: 0.125in">Felix J. Baker</TD>
    <TD>&nbsp;</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 3in">&nbsp;</P>


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</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>v431190_ex99-1.htm
<DESCRIPTION>EXHIBIT 99.1
<TEXT>
<HTML>
<HEAD>
     <TITLE></TITLE>
</HEAD>
<BODY STYLE="font: 10pt Times New Roman, Times, Serif">

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 4in; text-align: right; text-indent: 0.5in"><B>EXHIBIT 99.1</B></P>

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

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

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left; text-indent: 0in">In accordance with Rule&nbsp;13d-1(k)(1)
under the Securities Exchange Act of 1934, as amended, the undersigned hereby agree that this Statement on Schedule&nbsp;13G relating
to the Common Stock of Sangamo Biosciences, Inc. is being filed with the Securities and Exchange Commission on behalf of each of
them.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 3in; text-align: justify; text-indent: -3in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 3in; text-align: justify; text-indent: -3in">February 16,
2016</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 3in; text-indent: -3in">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="font-size: 10pt; font-weight: bold"><B>BAKER BROS. ADVISORS LP</B></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="font-size: 10pt; font-weight: bold">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="font-size: 10pt"><FONT STYLE="font-size: 10pt">By:&nbsp;&nbsp;Baker Bros. Advisors (GP) LLC, its general partner</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 50%">&nbsp;</TD>
    <TD STYLE="width: 3%">&nbsp;</TD>
    <TD STYLE="width: 47%">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD STYLE="font-size: 10pt">By:</TD>
    <TD STYLE="border-bottom: Black 1pt solid; font-size: 10pt">/s/ Scott L. Lessing</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD STYLE="font-size: 10pt">Name: Scott L. Lessing<BR>
Title: President</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 3in">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD COLSPAN="2" STYLE="font-size: 10pt; font-weight: bold"><B>BAKER BROS. ADVISORS (GP) LLC</B></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 50%">&nbsp;</TD>
    <TD STYLE="width: 3%">&nbsp;</TD>
    <TD STYLE="width: 47%">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD STYLE="font-size: 10pt">By:</TD>
    <TD STYLE="border-bottom: Black 1pt solid; font-size: 10pt">/s/ Scott L. Lessing</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD STYLE="font-size: 10pt">Name: Scott L. Lessing<BR>
Title: President</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 3in">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 50%; font-size: 10pt">&nbsp;</TD>
    <TD STYLE="width: 30%; font-size: 10pt; border-bottom: Black 1pt solid">/s/ Julian C. Baker</TD>
    <TD STYLE="width: 20%">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt; padding-left: 0.125in">Julian C. Baker</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt; border-bottom: Black 1pt solid">/s/ Felix J. Baker</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt; padding-left: 0.125in">Felix J. Baker</TD>
    <TD>&nbsp;</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>


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