<SEC-DOCUMENT>0001193125-13-095504.txt : 20130307
<SEC-HEADER>0001193125-13-095504.hdr.sgml : 20130307
<ACCEPTANCE-DATETIME>20130307125637
ACCESSION NUMBER:		0001193125-13-095504
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20130307
DATE AS OF CHANGE:		20130307

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SELECTIVE INSURANCE GROUP INC
		CENTRAL INDEX KEY:			0000230557
		STANDARD INDUSTRIAL CLASSIFICATION:	FIRE, MARINE & CASUALTY INSURANCE [6331]
		IRS NUMBER:				222168890
		STATE OF INCORPORATION:			NJ
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-31174
		FILM NUMBER:		13672512

	BUSINESS ADDRESS:	
		STREET 1:		40 WANTAGE AVENUE
		CITY:			BRANCHVILLE
		STATE:			NJ
		ZIP:			07890
		BUSINESS PHONE:		9739483000

	MAIL ADDRESS:	
		STREET 1:		40 WANTAGE AVE
		STREET 2:		40 WANTAGE AVE
		CITY:			BRANCHVILLE
		STATE:			NJ
		ZIP:			07890

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SRI CORP
		DATE OF NAME CHANGE:	19860508

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			COLUMBIA WANGER ASSET MANAGEMENT LLC
		CENTRAL INDEX KEY:			0000908733
		STANDARD INDUSTRIAL CLASSIFICATION:	UNKNOWN SIC - 0000 [0000]
		IRS NUMBER:				043519872
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		227 W MONROE STREET
		STREET 2:		SUITE 3000
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60606
		BUSINESS PHONE:		312-634-9200

	MAIL ADDRESS:	
		STREET 1:		227 W MONROE ST
		STREET 2:		STE 3000
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60606

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	COLUMBIA WANGER ASSET MANAGEMENT LP
		DATE OF NAME CHANGE:	20040427

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	LIBERTY WANGER ASSET MANAGEMENT LP
		DATE OF NAME CHANGE:	20010220

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	WANGER ASSET MANAGEMENT LP
		DATE OF NAME CHANGE:	19990108
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>d497189dsc13ga.htm
<DESCRIPTION>SC 13G/A
<TEXT>
<HTML><HEAD>
<TITLE>SC 13G/A</TITLE>
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 <P STYLE="line-height:0px;margin-top:0px;margin-bottom:0px;border-bottom:0.5pt solid #000000">&nbsp;</P>
<P STYLE="line-height:3px;margin-top:0px;margin-bottom:2px;border-bottom:0.5pt solid #000000">&nbsp;</P> <P STYLE="margin-top:12px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="5"><B>SECURITIES AND EXCHANGE
COMMISSION </B></FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="3"><B>Washington, D.C. 20549 </B></FONT></P>
<P STYLE="font-size:18px;margin-top:0px;margin-bottom:0px">&nbsp;</P><center> <P STYLE="line-height:6px;margin-top:0px;margin-bottom:2px;border-bottom:1pt solid #000000;width:21%">&nbsp;</P></center>
<P STYLE="margin-top:18px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="5"><B>SCHEDULE 13G </B></FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px" ALIGN="center"><FONT
STYLE="font-family:Times New Roman" SIZE="3"><B>UNDER THE SECURITIES EXCHANGE ACT OF 1934 </B></FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="3"><B>(Amendment No. 1)*
</B></FONT></P> <P STYLE="font-size:18px;margin-top:0px;margin-bottom:0px">&nbsp;</P><center> <P STYLE="line-height:6px;margin-top:0px;margin-bottom:2px;border-bottom:1pt solid #000000;width:21%">&nbsp;</P></center>
<P STYLE="margin-top:18px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="6"><B>SELECTIVE INSURANCE GROUP INC </B></FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT
STYLE="font-family:Times New Roman" SIZE="2"><B>(Name of Issuer) </B></FONT></P> <P STYLE="margin-top:24px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>COMMON STOCK </B></FONT></P>
<P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>(Title of Class of Securities) </B></FONT></P> <P STYLE="margin-top:24px;margin-bottom:0px" ALIGN="center"><FONT
STYLE="font-family:Times New Roman" SIZE="2"><B>816300107 </B></FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="1"><B>(CUSIP Number) </B></FONT></P>
<P STYLE="margin-top:24px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>December 31, 2012 </B></FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT
STYLE="font-family:Times New Roman" SIZE="1"><B>(Date of Event Which Requires Filing of this Statement) </B></FONT></P> <P STYLE="font-size:18px;margin-top:0px;margin-bottom:0px">&nbsp;</P><center>
<P STYLE="line-height:6px;margin-top:0px;margin-bottom:2px;border-bottom:1pt solid #000000;width:21%">&nbsp;</P></center> <P STYLE="margin-top:18px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">Check the appropriate box to
designate the Rule pursuant to which this Schedule is filed: </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; margin-left:8%"><FONT STYLE="font-family:Times New Roman" SIZE="2"><FONT STYLE="FONT-FAMILY:WINGDINGS">&#120;</FONT> Rule 13d
&#150; 1(b) </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; margin-left:8%"><FONT STYLE="font-family:Times New Roman" SIZE="2"><FONT STYLE="FONT-FAMILY:WINGDINGS">&#168;</FONT> Rule 13d &#150; 1(c) </FONT></P>
<P STYLE="margin-top:12px;margin-bottom:0px; margin-left:8%"><FONT STYLE="font-family:Times New Roman" SIZE="2"><FONT STYLE="FONT-FAMILY:WINGDINGS">&#168;</FONT> Rule 13d &#150; 1(d) </FONT></P>
<P STYLE="font-size:12px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR>
<TD WIDTH="4%" VALIGN="top" ALIGN="left"><FONT STYLE="font-family:Times New Roman" SIZE="2">*</FONT></TD>
<TD ALIGN="left" VALIGN="top"><FONT STYLE="font-family:Times New Roman" SIZE="2">The remainder of this cover page shall be filled out for a reporting person&#146;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. </FONT></TD></TR></TABLE>
<P STYLE="margin-top:12px;margin-bottom:0px; text-indent:4%"><FONT STYLE="font-family:Times New Roman" SIZE="2">The information required on the remainder of this page shall not be deemed to be &#147;filed&#148; for the purpose of Section 18 of the
Securities Exchange Act of 1934 (&#147;Act&#148;) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, <I>see</I> the <I>Notes</I>.) </FONT></P>
<P STYLE="font-size:12px;margin-top:0px;margin-bottom:0px">&nbsp;</P> <P STYLE="line-height:0px;margin-top:0px;margin-bottom:0px;border-bottom:0.5pt solid #000000">&nbsp;</P>
<P STYLE="line-height:3px;margin-top:0px;margin-bottom:2px;border-bottom:0.5pt solid #000000">&nbsp;</P>

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<TD VALIGN="top" STYLE="BORDER-LEFT:1px solid #000000; BORDER-TOP:1px solid #000000; BORDER-BOTTOM:1px solid #000000; padding-left:8px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;&nbsp;1&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" STYLE="BORDER-LEFT:1px solid #000000; BORDER-TOP:1px solid #000000; BORDER-BOTTOM:1px solid #000000"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="top" COLSPAN="5" STYLE="BORDER-TOP:1px solid #000000; BORDER-RIGHT:1px solid #000000; BORDER-BOTTOM:1px solid #000000; padding-right:8px">
<P STYLE="margin-top:0px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">NAMES OF REPORTING PERSONS</FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">I.R.S. IDENTIFICATION
NO. OF ABOVE PERSONS (ENTITIES ONLY):</FONT></P> <P STYLE="font-size:12px;margin-top:0px;margin-bottom:0px">&nbsp;</P> <P STYLE="margin-top:0px;margin-bottom:1px"><FONT STYLE="font-family:Times New Roman" SIZE="3">Columbia Wanger Asset Management,
LLC&nbsp;&nbsp;&nbsp;&nbsp;04-3519872</FONT></P></TD></TR>
<TR>
<TD VALIGN="top" STYLE="BORDER-LEFT:1px solid #000000; BORDER-BOTTOM:1px solid #000000; padding-left:8px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;&nbsp;2</B></FONT></TD>
<TD VALIGN="bottom" STYLE="BORDER-LEFT:1px solid #000000; BORDER-BOTTOM:1px solid #000000"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="top" COLSPAN="5" STYLE="BORDER-RIGHT:1px solid #000000; BORDER-BOTTOM:1px solid #000000; padding-right:8px"> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">CHECK THE APPROPRIATE BOX IF A
MEMBER OF A GROUP (See Instructions)</FONT></P>
<P STYLE="margin-top:0px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">(a)&nbsp;&nbsp;<FONT STYLE="FONT-FAMILY:WINGDINGS">&#168;</FONT>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b)&nbsp;&nbsp;<FONT
STYLE="FONT-FAMILY:WINGDINGS">&#120;</FONT></FONT><FONT STYLE="font-family:Times New Roman" SIZE="1"><SUP STYLE="vertical-align:baseline; position:relative; bottom:.8ex">1</SUP></FONT><FONT STYLE="font-family:Times New Roman" SIZE="2"></FONT></P>
<P STYLE="font-size:12px;margin-top:0px;margin-bottom:1px"><FONT SIZE="1">&nbsp;</FONT></P></TD></TR>
<TR>
<TD VALIGN="top" STYLE="BORDER-LEFT:1px solid #000000; BORDER-BOTTOM:1px solid #000000; padding-left:8px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;&nbsp;3</B></FONT></TD>
<TD VALIGN="bottom" STYLE="BORDER-LEFT:1px solid #000000; BORDER-BOTTOM:1px solid #000000"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="top" COLSPAN="5" STYLE="BORDER-RIGHT:1px solid #000000; BORDER-BOTTOM:1px solid #000000; padding-right:8px"> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">SEC USE ONLY</FONT></P>
<P STYLE="font-size:12px;margin-top:0px;margin-bottom:1px">&nbsp;</P></TD></TR>
<TR>
<TD VALIGN="top" STYLE="BORDER-LEFT:1px solid #000000; BORDER-BOTTOM:1px solid #000000; padding-left:8px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;&nbsp;4</B></FONT></TD>
<TD VALIGN="bottom" STYLE="BORDER-LEFT:1px solid #000000; BORDER-BOTTOM:1px solid #000000"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="top" COLSPAN="5" STYLE="BORDER-RIGHT:1px solid #000000; BORDER-BOTTOM:1px solid #000000; padding-right:8px"> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B><I></I></B>CITIZENSHIP OR
PLACE OF ORGANIZATION</FONT></P> <P STYLE="font-size:12px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
<P STYLE="margin-top:0px;margin-bottom:1px"><FONT STYLE="font-family:Times New Roman" SIZE="3">&nbsp;&nbsp;&nbsp;&nbsp;Delaware</FONT></P></TD></TR>
<TR>
<TD VALIGN="middle" COLSPAN="3" ROWSPAN="4" ALIGN="center" STYLE="BORDER-LEFT:1px solid #000000; padding-left:8px"> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2">NUMBER OF SHARES
BENEFICIALLY OWNED BY EACH REPORTING PERSON</FONT></P> <P STYLE="margin-top:0px;margin-bottom:1px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2">WITH</FONT></P></TD>
<TD VALIGN="bottom" STYLE="BORDER-LEFT:1px solid #000000; BORDER-BOTTOM:1px solid #000000"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="top" STYLE="BORDER-BOTTOM:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;&nbsp;&nbsp;&nbsp;5&nbsp;&nbsp;&nbsp;&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" STYLE="BORDER-LEFT:1px solid #000000; BORDER-BOTTOM:1px solid #000000"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="top" STYLE="BORDER-RIGHT:1px solid #000000; BORDER-BOTTOM:1px solid #000000; padding-right:8px"> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">SOLE VOTING POWER</FONT></P>
<P STYLE="font-size:12px;margin-top:0px;margin-bottom:0px">&nbsp;</P> <P STYLE="margin-top:0px;margin-bottom:1px"><FONT STYLE="font-family:Times New Roman" SIZE="3">&nbsp;&nbsp;&nbsp;&nbsp;2,643,000</FONT></P></TD></TR>
<TR>
<TD VALIGN="bottom" STYLE="BORDER-LEFT:1px solid #000000; BORDER-BOTTOM:1px solid #000000"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="top" STYLE="BORDER-BOTTOM:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;&nbsp;&nbsp;&nbsp;6&nbsp;&nbsp;&nbsp;&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" STYLE="BORDER-LEFT:1px solid #000000; BORDER-BOTTOM:1px solid #000000"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="top" STYLE="BORDER-RIGHT:1px solid #000000; BORDER-BOTTOM:1px solid #000000; padding-right:8px"> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">SHARED VOTING POWER</FONT></P>
<P STYLE="font-size:12px;margin-top:0px;margin-bottom:0px">&nbsp;</P> <P STYLE="margin-top:0px;margin-bottom:1px"><FONT STYLE="font-family:Times New Roman" SIZE="3">&nbsp;&nbsp;&nbsp;&nbsp;0</FONT></P></TD></TR>
<TR>
<TD VALIGN="bottom" STYLE="BORDER-LEFT:1px solid #000000; BORDER-BOTTOM:1px solid #000000"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="top" STYLE="BORDER-BOTTOM:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;&nbsp;&nbsp;&nbsp;7&nbsp;&nbsp;&nbsp;&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" STYLE="BORDER-LEFT:1px solid #000000; BORDER-BOTTOM:1px solid #000000"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="top" STYLE="BORDER-RIGHT:1px solid #000000; BORDER-BOTTOM:1px solid #000000; padding-right:8px"> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">SOLE DISPOSITIVE POWER</FONT></P>
<P STYLE="font-size:12px;margin-top:0px;margin-bottom:0px">&nbsp;</P> <P STYLE="margin-top:0px;margin-bottom:1px"><FONT STYLE="font-family:Times New Roman" SIZE="3">&nbsp;&nbsp;&nbsp;&nbsp;2,799,000</FONT></P></TD></TR>
<TR>
<TD VALIGN="bottom" STYLE="BORDER-LEFT:1px solid #000000"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="top"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;&nbsp;&nbsp;&nbsp;8&nbsp;&nbsp;&nbsp;&nbsp;</B></FONT></TD>
<TD VALIGN="bottom" STYLE="BORDER-LEFT:1px solid #000000"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="top" STYLE="BORDER-RIGHT:1px solid #000000; padding-right:8px"> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">SHARED DISPOSITIVE POWER</FONT></P>
<P STYLE="font-size:12px;margin-top:0px;margin-bottom:0px">&nbsp;</P> <P STYLE="margin-top:0px;margin-bottom:1px"><FONT STYLE="font-family:Times New Roman" SIZE="3">&nbsp;&nbsp;&nbsp;&nbsp;0</FONT></P></TD></TR>
<TR>
<TD VALIGN="top" STYLE="BORDER-LEFT:1px solid #000000; BORDER-TOP:1px solid #000000; BORDER-BOTTOM:1px solid #000000; padding-left:8px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>&nbsp;&nbsp;9</B></FONT></TD>
<TD VALIGN="bottom" STYLE="BORDER-LEFT:1px solid #000000; BORDER-TOP:1px solid #000000; BORDER-BOTTOM:1px solid #000000"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="top" COLSPAN="5" STYLE="BORDER-TOP:1px solid #000000; BORDER-RIGHT:1px solid #000000; BORDER-BOTTOM:1px solid #000000; padding-right:8px">
<P STYLE="margin-top:0px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON</FONT></P> <P STYLE="font-size:12px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
<P STYLE="margin-top:0px;margin-bottom:1px"><FONT STYLE="font-family:Times New Roman" SIZE="3">&nbsp;&nbsp;&nbsp;&nbsp;2,799,000</FONT></P></TD></TR>
<TR>
<TD VALIGN="top" STYLE="BORDER-LEFT:1px solid #000000; BORDER-BOTTOM:1px solid #000000; padding-left:8px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>10</B></FONT></TD>
<TD VALIGN="bottom" STYLE="BORDER-LEFT:1px solid #000000; BORDER-BOTTOM:1px solid #000000"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="top" COLSPAN="5" STYLE="BORDER-RIGHT:1px solid #000000; BORDER-BOTTOM:1px solid #000000; padding-right:8px"> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">CHECK IF THE AGGREGATE AMOUNT IN
ROW (9) EXCLUDES CERTAIN SHARES (See Instructions)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<FONT STYLE="FONT-FAMILY:WINGDINGS">&#168;</FONT></FONT></P>
<P STYLE="font-size:12px;margin-top:0px;margin-bottom:1px">&nbsp;</P></TD></TR>
<TR>
<TD VALIGN="top" STYLE="BORDER-LEFT:1px solid #000000; BORDER-BOTTOM:1px solid #000000; padding-left:8px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>11</B></FONT></TD>
<TD VALIGN="bottom" STYLE="BORDER-LEFT:1px solid #000000; BORDER-BOTTOM:1px solid #000000"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="top" COLSPAN="5" STYLE="BORDER-RIGHT:1px solid #000000; BORDER-BOTTOM:1px solid #000000; padding-right:8px"> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">PERCENT OF CLASS REPRESENTED BY
AMOUNT IN ROW (9)</FONT></P> <P STYLE="font-size:12px;margin-top:0px;margin-bottom:0px">&nbsp;</P> <P STYLE="margin-top:0px;margin-bottom:1px"><FONT STYLE="font-family:Times New Roman" SIZE="3">&nbsp;&nbsp;&nbsp;&nbsp;5.1%</FONT></P></TD></TR>
<TR>
<TD VALIGN="top" STYLE="BORDER-LEFT:1px solid #000000; BORDER-BOTTOM:1px solid #000000; padding-left:8px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>12</B></FONT></TD>
<TD VALIGN="bottom" STYLE="BORDER-LEFT:1px solid #000000; BORDER-BOTTOM:1px solid #000000"><FONT SIZE="1">&nbsp;</FONT></TD>
<TD VALIGN="top" COLSPAN="5" STYLE="BORDER-RIGHT:1px solid #000000; BORDER-BOTTOM:1px solid #000000; padding-right:8px"> <P STYLE="margin-top:0px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B><I></I></B>TYPE OF REPORTING
PERSON (See Instructions)</FONT></P> <P STYLE="font-size:12px;margin-top:0px;margin-bottom:0px">&nbsp;</P> <P STYLE="margin-top:0px;margin-bottom:1px"><FONT STYLE="font-family:Times New Roman" SIZE="3">&nbsp;&nbsp;&nbsp;&nbsp;IA</FONT></P></TD></TR>
</TABLE> <P STYLE="font-size:6px;margin-top:0px;margin-bottom:0px">&nbsp;</P> <P STYLE="line-height:8px;margin-top:0px;margin-bottom:2px;border-bottom:0.5pt solid #000000;width:10%">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
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<TD WIDTH="4%" VALIGN="top" ALIGN="left"><FONT STYLE="font-family:Times New Roman" SIZE="2"></FONT><FONT STYLE="font-family:Times New Roman" SIZE="1"><SUP STYLE="vertical-align:baseline; position:relative; bottom:.8ex">1</SUP>&nbsp;</FONT><FONT
STYLE="font-family:Times New Roman" SIZE="2"></FONT></TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left"><FONT STYLE="font-family:Times New Roman" SIZE="2">This filing describes the reporting person&#146;s relationship with other persons, but the reporting person does not affirm the existence of a group.
</FONT></P></TD></TR></TABLE>

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<TD VALIGN="top"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Item&nbsp;1(a).</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Name of Issuer:</B></FONT></TD></TR>
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<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">Selective Insurance Group Inc.</FONT></TD></TR>
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<TD HEIGHT="16" COLSPAN="2"></TD></TR>
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<TD VALIGN="top"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Item&nbsp;1(b).</B></FONT></TD>
<TD VALIGN="bottom"><FONT SIZE="1">&nbsp;&nbsp;</FONT></TD>
<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Address of Issuer&#146;s Principal Executive Offices:</B></FONT></TD></TR>
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<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">40 Wantage Ave.</FONT></TD></TR>
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<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">Branchville, NJ 07890</FONT></TD></TR>
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<TD VALIGN="top"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Item&nbsp;2(a).</B></FONT></TD>
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<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Name of Person Filing:</B></FONT></TD></TR>
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<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">Columbia Wanger Asset Management, LLC</FONT></TD></TR>
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<TD VALIGN="top"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Item&nbsp;2(b).</B></FONT></TD>
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<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Address of Principal Business Office or, if None, Residence:</B></FONT></TD></TR>
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<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">227 West Monroe Street, Suite 3000, Chicago, IL 60606.</FONT></TD></TR>
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<TD VALIGN="top"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Item&nbsp;2(c).</B></FONT></TD>
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<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Citizenship:</B></FONT></TD></TR>
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<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">Delaware</FONT></TD></TR>
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<TD VALIGN="top"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Item&nbsp;2(d).</B></FONT></TD>
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<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Title of Class of Securities:</B></FONT></TD></TR>
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<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">Common Stock</FONT></TD></TR>
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<TD VALIGN="top"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Item&nbsp;2(e).</B></FONT></TD>
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<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>CUSIP Number:</B></FONT></TD></TR>
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<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">816300107</FONT></TD></TR>
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<TD VALIGN="top"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Item 3.</B></FONT></TD>
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<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>If This Statement is Filed Pursuant to Rule 13d-1(b), or 13d-2(b) or (c), Check Whether the Person Filing is a:</B></FONT></TD></TR>
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<TD VALIGN="bottom"> <P STYLE="margin-left:2.00em; text-indent:-2.00em"><FONT STYLE="font-family:Times New Roman" SIZE="2">(a)&nbsp;&nbsp;&nbsp;&nbsp;Columbia Wanger Asset Management, LLC is an investment adviser in accordance with rule
13d-1(b)(1)(ii)(E).</FONT></P></TD></TR>
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<TD VALIGN="top"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Item 4.</B></FONT></TD>
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<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Ownership:</B></FONT></TD></TR>
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<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">Columbia Wanger Asset Management, LLC (CWAM) does not directly own any shares of common stock of the issuer. As the investment adviser of various unregistered and registered
investment companies and managed accounts, CWAM may be deemed to beneficially own the shares reported herein. CWAM disclaims beneficial ownership of any shares reported on this Schedule.</FONT></TD></TR>
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<TD VALIGN="top"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Item 5.</B></FONT></TD>
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<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Ownership of 5 Percent or Less of a Class:</B></FONT></TD></TR>
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<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">Not Applicable</FONT></TD></TR>
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<TD VALIGN="top"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Item 6.</B></FONT></TD>
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<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Ownership or More than Five Percent on Behalf of Another Person:</B></FONT></TD></TR>
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<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">To the knowledge of CWAM, no other persons besides and those persons for whose shares of common stock CWAM reports beneficial ownership have the right to receive or the power to
direct the receipt of dividends from or the proceeds from the sale of the securities of the issuer reported herein.</FONT></TD></TR>
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<TD VALIGN="top"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Item 7.</B></FONT></TD>
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<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Identification and Classification of the Subsidiary Which Acquired he Security Being Reported on by the Parent Holding Company or Control Person:</B></FONT></TD></TR>
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<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">Not Applicable.</FONT></TD></TR>
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<TD VALIGN="top"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Item 8.</B></FONT></TD>
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<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Identification and Classification of Members of the Group:</B></FONT></TD></TR>
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<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">Not Applicable.</FONT></TD></TR>
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<TD VALIGN="top"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Item 9.</B></FONT></TD>
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<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Notice of Dissolution of Group:</B></FONT></TD></TR>
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<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">Not Applicable.</FONT></TD></TR>
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<TD VALIGN="top"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Item&nbsp;10.</B></FONT></TD>
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<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Certification:</B></FONT></TD></TR>
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<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">By signing below each of the undersigned certifies that, to the best of such undersigned&#146;s 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 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.</FONT></TD></TR>
</TABLE> <P STYLE="margin-top:24px;margin-bottom:0px" ALIGN="center"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>SIGNATURE </B></FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT
STYLE="font-family:Times New Roman" SIZE="2">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. </FONT></P>
<P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2">Dated: March&nbsp;7, 2013 </FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT STYLE="font-family:Times New Roman" SIZE="2"><B>Columbia Wanger
Asset Management, LLC </B></FONT></P> <P STYLE="font-size:12px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
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<TD VALIGN="top"><FONT STYLE="font-family:Times New Roman" SIZE="2">By:</FONT></TD>
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<TD VALIGN="bottom"> <P STYLE="margin-top:0px;margin-bottom:1px;border-bottom:1px solid #000000"><FONT STYLE="font-family:Times New Roman" SIZE="2">/s/ Bruce H. Lauer</FONT></P></TD></TR>
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<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">Bruce H. Lauer</FONT></TD></TR>
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<TD VALIGN="bottom"><FONT STYLE="font-family:Times New Roman" SIZE="2">Chief Operating Officer</FONT></TD></TR>
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