<SEC-DOCUMENT>0000890564-14-000033.txt : 20140624
<SEC-HEADER>0000890564-14-000033.hdr.sgml : 20140624
<ACCEPTANCE-DATETIME>20140610170200
ACCESSION NUMBER:		0000890564-14-000033
CONFORMED SUBMISSION TYPE:	DEFR14A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20140610
DATE AS OF CHANGE:		20140610
EFFECTIVENESS DATE:		20140610

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ON ASSIGNMENT INC
		CENTRAL INDEX KEY:			0000890564
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-HELP SUPPLY SERVICES [7363]
		IRS NUMBER:				954023433
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		DEFR14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-35636
		FILM NUMBER:		14902692

	BUSINESS ADDRESS:	
		STREET 1:		26745 MALIBU HILLS ROAD
		CITY:			CALABASAS
		STATE:			CA
		ZIP:			91301
		BUSINESS PHONE:		8188787900

	MAIL ADDRESS:	
		STREET 1:		26745 MALIBU HILLS ROAD
		CITY:			CALABASAS
		STATE:			CA
		ZIP:			91301
</SEC-HEADER>
<DOCUMENT>
<TYPE>DEFR14A
<SEQUENCE>1
<FILENAME>proxystatementsupplement.htm
<DESCRIPTION>DEFR14A
<TEXT>
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<a name="s4EC66F76A4CB22B3CD96876DCB9F5AAE"></a><div><div style="line-height:138%;padding-bottom:13px;text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;"><br></font></div></div><br><div style="line-height:144%;text-align:center;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;background-color:#ffffff;font-weight:bold;">UNITED STATES</font></div><div style="line-height:144%;text-align:center;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;background-color:#ffffff;font-weight:bold;">SECURITIES AND EXCHANGE COMMISSION</font></div><div style="line-height:144%;text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;background-color:#ffffff;font-weight:bold;">Washington, D.C. 20549</font></div><div style="line-height:144%;text-align:center;font-size:17.5pt;"><font style="font-family:inherit;font-size:17.5pt;"><br></font></div><div style="line-height:144%;text-align:center;font-size:17.5pt;"><font style="font-family:inherit;font-size:17.5pt;background-color:#ffffff;font-weight:bold;">SCHEDULE 14A</font></div><div style="line-height:144%;text-align:center;font-size:8.5pt;"><font style="font-family:inherit;font-size:8.5pt;background-color:#ffffff;">Proxy Statement Pursuant to Section 14(a) of</font></div><div style="line-height:144%;text-align:center;font-size:8.5pt;"><font style="font-family:inherit;font-size:8.5pt;background-color:#ffffff;">the Securities Exchange Act of 1934 (Amendment No. 1)</font></div><div style="line-height:144%;text-align:justify;font-size:8.5pt;"><font style="font-family:inherit;font-size:8.5pt;background-color:#ffffff;">Filed by the Registrant </font><font style="font-family:Wingdings;font-size:8.5pt;background-color:#ffffff;">x</font></div><div style="line-height:144%;text-align:left;font-size:8.5pt;"><font style="font-family:inherit;font-size:8.5pt;background-color:#ffffff;">Filed by a Party other than the Registrant </font><font style="font-family:Wingdings;font-size:8.5pt;background-color:#ffffff;">o</font></div><div style="line-height:144%;text-align:left;font-size:8.5pt;"><font style="font-family:inherit;font-size:8.5pt;background-color:#ffffff;">Check the appropriate box:</font></div><div style="line-height:120%;text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div style="line-height:120%;text-align:center;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;margin-left:auto;margin-right:auto;width:59.18803418803419%;border-collapse:collapse;text-align:left;"><tr><td colspan="2"></td></tr><tr><td width="7%"></td><td width="93%"></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:2px;font-size:8.5pt;"><font style="font-family:Wingdings;font-size:8.5pt;">o</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:2px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Preliminary Proxy Statement</font></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:2px;font-size:8.5pt;"><font style="font-family:Wingdings;font-size:8.5pt;">o</font></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:2px;font-size:8.5pt;"><font style="font-family:inherit;font-size:8.5pt;font-weight:bold;">Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))</font></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:2px;font-size:8.5pt;"><font style="font-family:Wingdings;font-size:8.5pt;">x</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:2px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Definitive Proxy Statement</font></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:2px;font-size:8.5pt;"><font style="font-family:Wingdings;font-size:8.5pt;">o</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:2px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Definitive Additional Materials</font></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:2px;font-size:8.5pt;"><font style="font-family:Wingdings;font-size:8.5pt;">o</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:2px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Soliciting Material under Rule 14a-12</font></div></td></tr></table></div></div><div style="line-height:144%;text-align:center;font-size:20.5pt;"><font style="font-family:inherit;font-size:20.5pt;background-color:#ffffff;font-weight:bold;">ON ASSIGNMENT, INC.</font></div><div style="line-height:144%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div style="line-height:144%;text-align:center;font-size:8.5pt;"><font style="font-family:inherit;font-size:8.5pt;background-color:#ffffff;">(Name of Registrant as Specified In Its Charter)</font></div><div style="line-height:144%;text-align:center;font-size:8.5pt;"><font style="font-family:inherit;font-size:8.5pt;"><br></font></div><div style="line-height:144%;text-align:center;font-size:8.5pt;"><font style="font-family:inherit;font-size:8.5pt;background-color:#ffffff;">(Name of Person(s) Filing Proxy Statement, if other than the Registrant)</font></div><div style="line-height:144%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:8.5pt;background-color:#ffffff;">Payment of Filing Fee (Check the appropriate box):</font><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:91.02564102564102%;border-collapse:collapse;text-align:left;"><tr><td colspan="4"></td></tr><tr><td width="3%"></td><td width="6%"></td><td width="1%"></td><td width="90%"></td></tr><tr><td colspan="4" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:5px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="padding-top:2px;padding-left:2px;font-size:8.5pt;"><font style="font-family:inherit;font-size:8.5pt;"><br></font></div><div style="padding-top:2px;padding-left:2px;font-size:8.5pt;"><font style="font-family:Wingdings;font-size:8.5pt;">x</font></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:2px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">No fee required.</font></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="padding-top:2px;padding-left:2px;font-size:8.5pt;"><font style="font-family:inherit;font-size:8.5pt;"><br></font></div><div style="padding-top:2px;padding-left:2px;font-size:8.5pt;"><font style="font-family:Wingdings;font-size:8.5pt;">o</font></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:2px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Fee computed on table below per Exchange Act Rules 14a-6(i)(1) and 0-11.</font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;padding-left:2px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">(1)</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:2px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Title of each class of securities to which transaction applies:</font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;padding-left:2px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">(2)</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:2px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Aggregate number of securities to which transaction applies:</font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="padding-top:2px;text-align:right;padding-left:2px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">(3)</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:2px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Per unit price or other underlying value of transaction computed pursuant to Exchange Act Rule 0-11 (set forth the amount on which the filing fee is calculated and state how it was determined):</font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;padding-left:2px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">(4)</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:2px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Proposed maximum aggregate value of transaction:</font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;padding-left:2px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">(5)</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:2px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Total fee paid:</font></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="padding-top:2px;padding-left:2px;font-size:8.5pt;"><font style="font-family:inherit;font-size:8.5pt;"><br></font></div><div style="padding-top:2px;padding-left:2px;font-size:8.5pt;"><font style="font-family:Wingdings;font-size:8.5pt;">o</font></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:2px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Fee paid previously with preliminary materials.</font></div></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="padding-top:2px;padding-left:2px;font-size:8.5pt;"><font style="font-family:inherit;font-size:8.5pt;"><br></font></div><div style="padding-top:2px;padding-left:2px;font-size:8.5pt;"><font style="font-family:Wingdings;font-size:8.5pt;">o</font></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:8px;text-indent:-3px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Check box if any part of the fee is offset as provided by Exchange Act Rule 0-11(a)(2) and identify the filing for which the offsetting fee was paid previously. Identify the previous filing by registration statement number, or the Form or Schedule and the date of its filing.</font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;padding-left:2px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">(1)</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:2px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Amount Previously Paid:</font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;padding-left:2px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">(2)</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:2px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Form, Schedule or Registration Statement No.:</font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;padding-left:2px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">(3)</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:2px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Filing Party:</font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;padding-left:2px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">(4)</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;padding-left:2px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Date Filed:</font></div></td></tr></table></div></div><div style="line-height:144%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div style="line-height:138%;padding-bottom:13px;text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;"><br></font></div><br><div><div style="line-height:138%;padding-bottom:13px;text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;"><br></font></div></div><hr style="page-break-after:always"><a name="s4EC66F76A4CB22B3CD96876DCB9F5AAE"></a><div><div style="line-height:138%;padding-bottom:13px;text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;"><br></font></div></div><br><div style="line-height:138%;padding-bottom:16px;text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Dear Fellow Stockholder: </font></div><div style="line-height:138%;padding-bottom:16px;text-align:justify;text-indent:48px;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">The 2014 Annual Meeting of Stockholders (the &#8220;Annual Meeting&#8221;) of On Assignment, Inc. (the &#8220;Company&#8221; or &#8220;On Assignment&#8221;) will be held on Thursday, June 19, 2014, at 9:00 a.m. Eastern Daylight Time, at the Boston College Club located at 100 Federal Street, 36th Floor, Boston, Massachusetts  02210. </font></div><div style="line-height:138%;padding-bottom:16px;text-align:justify;text-indent:48px;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Stockholder concerns have been raised with respect to one of the proposals we included in our definitive proxy statement filed with the Securities and Exchange Commission on April 25, 2014 (the &#8220;Proxy Statement&#8221;). The purpose of this letter is to alert you that our Board of Directors (the &#8220;Board&#8221;) has determined to modify the proposal to resolve these stockholder concerns. </font></div><div style="line-height:138%;padding-bottom:16px;text-align:justify;text-indent:48px;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">We are modifying our proposal to amend the Certificate of Incorporation to require a resolution adopted by the affirmative vote of not less than a majority of the then outstanding shares of capital stock, for increasing our reducing the authorized number of directors. We believe this modification substantially resolves the concerns raised by key stockholders and represents a good corporate governance practice, while maintaining our overall objectives related to the proposal. </font></div><div style="line-height:138%;padding-bottom:16px;text-align:justify;text-indent:48px;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Please review the amendment to the Proxy Statement included with this letter for more information regarding the modified proposal and for information about how you can vote or change your vote. If you have not already voted your shares, we urge that you please do so now. </font></div><div style="line-height:138%;padding-bottom:16px;text-align:justify;text-indent:48px;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">The Board of Directors appreciates and encourages stockholder participation. Thank you for your continued support. </font></div><div style="line-height:120%;font-size:12pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="2"></td></tr><tr><td width="50%"></td><td width="50%"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Sincerely,</font></div><div style="font-size:12pt;"><font style="font-family:inherit;font-size:12pt;"><br></font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:18px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;height:18px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;text-decoration:underline;">/s/ Peter T. Dameris</font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Peter T. Dameris</font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;font-style:italic;">President and Chief Executive Officer</font></div></td></tr></table></div></div><div style="line-height:138%;padding-bottom:16px;text-align:justify;text-indent:48px;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;"><br></font></div><br><div><div style="line-height:138%;padding-bottom:13px;text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;"><br></font></div></div><hr style="page-break-after:always"><a name="s4EC66F76A4CB22B3CD96876DCB9F5AAE"></a><div><div style="line-height:138%;padding-bottom:13px;text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;"><br></font></div></div><br><div style="line-height:138%;padding-bottom:13px;text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;"><br></font></div><div style="line-height:138%;text-align:center;text-indent:48px;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;font-weight:bold;">On Assignment, Inc.</font></div><div style="line-height:138%;text-align:center;text-indent:48px;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;font-weight:bold;">26745 Malibu Hills Road</font></div><div style="line-height:138%;text-align:center;text-indent:48px;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;font-weight:bold;">Calabasas, California  91301</font></div><div style="line-height:138%;text-align:center;text-indent:48px;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;"><br></font></div><div style="line-height:138%;padding-bottom:16px;text-align:center;text-indent:48px;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;font-weight:bold;">SUPPLEMENT TO PROXY STATEMENT</font></div><div style="line-height:138%;padding-bottom:16px;text-align:center;text-indent:48px;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;font-weight:bold;">For the Annual Meeting of Stockholders to be Held</font></div><div style="line-height:138%;padding-bottom:16px;text-align:center;text-indent:48px;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;font-weight:bold;">Thursday, June 19, 2014</font></div><div style="line-height:120%;padding-bottom:16px;text-align:justify;text-indent:48px;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">On Assignment, Inc. is providing this supplement to the Proxy Statement.&#160; The Company has determined to modify Proposal 2A of the Proxy Statement to eliminate the ability of the Board of the Company to increase or decrease the number of directors of the Company above the amount authorized in the Bylaws of the Company, which would be amended to be four (4) to nine (9).</font></div><div style="line-height:138%;padding-bottom:16px;text-align:left;text-indent:48px;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Accordingly, the second, third fourth and fifth paragraphs of Proposal 2A are amended in their entirety and replaced with the following: </font></div><div style="line-height:120%;padding-bottom:16px;text-align:justify;padding-left:48px;text-indent:48px;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">If this Proposal 2A is approved by the stockholders, the first paragraph of Article V of the Certificate of Incorporation will be amended to read as follows:</font></div><div style="line-height:120%;padding-bottom:16px;text-align:justify;padding-left:108px;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">&#8220;Except as otherwise provided in this Amended and Restated Incorporation, in furtherance and not in limitation of the powers conferred by statute, the Board of Directors is expressly authorized to make, repeal, alter, amend and rescind from time to time any or all of the Bylaws of the Corporation; provided, however, any Bylaw amendment adopted by the Board of Directors increasing or reducing the authorized number of directors shall require a resolution adopted by the affirmative vote of not less than a majority of the then outstanding shares of capital stock entitled to vote generally in an election of directors.&#8221;</font></div><div style="line-height:120%;padding-bottom:16px;text-align:justify;padding-left:48px;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">In addition, Section 1 of Article III of the Bylaws will be amended as set forth in Annex B to the Proxy Statement.  The Board of Directors has carefully considered the advantages and disadvantages of maintaining the requirement that 66 2/3% of the stockholders adopt a resolution if the Board of Directors increases or decreases the authorized number of directors.</font></div><div style="line-height:120%;padding-bottom:16px;text-align:justify;padding-left:48px;text-indent:48px;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">The Board of Directors believes that the proposed amendment will accommodate the practicalities of managing the Company while at the same time protecting an important right of stockholders to effect changes to our Bylaws.  If Proposal 2A is approved, any amendments to the Company&#8217;s Bylaws increasing or reducing the authorized number of directors above nine (9) or below four (4) will require stockholders to adopt a resolution.  Even without this amendment, the stockholders retain the power to independently adopt, amend or repeal the Bylaws.  </font></div><br><div><div style="line-height:138%;padding-bottom:13px;text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;"><br></font></div></div><hr style="page-break-after:always"><a name="s4EC66F76A4CB22B3CD96876DCB9F5AAE"></a><div><div style="line-height:138%;padding-bottom:13px;text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;"><br></font></div></div><br><div style="line-height:120%;padding-bottom:16px;text-align:justify;padding-left:48px;text-indent:48px;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">If this proposal is not approved, our Board of Directors will not have the authority to increase the number of directors to nine (9) without incurring the expense and delay of soliciting proxies and votes from 66 2/3% of the stockholders of the Company.</font></div><div style="line-height:120%;padding-bottom:16px;text-align:justify;text-indent:48px;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">In addition, Article V, Paragraph 1 of Exhibit A to Annex A is amended in its entirety and replaced with the following:</font></div><div style="line-height:120%;padding-bottom:16px;text-align:justify;padding-left:48px;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Except as otherwise provided in this Amended and Restated Certificate of Incorporation, in furtherance and not in limitation of the powers conferred by statute, the Board of Directors is expressly authorized to make, repeal, alter, amend and rescind from time to time any or all of the Bylaws of the Corporation; provided, however, any Bylaw amendment adopted by the Board of Directors increasing or reducing the authorized number of directors shall require a resolution adopted by the affirmative vote of not less than </font><font style="font-family:inherit;font-size:12pt;text-decoration:underline;">a majority</font><font style="font-family:inherit;font-size:12pt;">&#32;</font><font style="font-family:inherit;font-size:12pt;text-decoration:line-through;">sixty-six and two-thirds percent (66-2/3%)</font><font style="font-family:inherit;font-size:12pt;">&#32;of the then outstanding shares of capital stock entitled to vote generally in an election of directors.</font><font style="font-family:inherit;font-size:12pt;"><sup style="vertical-align:top;line-height:120%;font-size:8pt">3</sup>&#160;</font></div><div style="line-height:120%;padding-bottom:16px;text-align:justify;text-indent:48px;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">All votes relating to Proposal 2A will be deemed to relate to Proposal 2A as amended in this supplement.</font></div><div style="line-height:120%;padding-bottom:16px;text-align:justify;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">By Order of the Board,</font></div><div style="line-height:120%;padding-bottom:16px;text-align:justify;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;font-style:italic;">Secretary</font></div><div style="line-height:120%;padding-bottom:16px;text-align:justify;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;text-decoration:underline;">/s/ Jennifer Hankes Painter</font></div><div style="line-height:120%;padding-bottom:16px;text-align:justify;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Jennifer Hankes Painter</font></div><div style="line-height:120%;padding-bottom:16px;text-align:justify;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">June 10, 2014</font></div><div style="line-height:120%;padding-bottom:16px;text-align:justify;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;">Calabasas, California </font></div><div style="line-height:138%;padding-bottom:16px;text-align:left;text-indent:48px;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;"><br></font></div><div style="line-height:138%;padding-bottom:16px;text-align:left;text-indent:48px;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;"><br></font></div><br><div><div style="line-height:138%;padding-bottom:13px;text-align:left;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;"><br></font></div></div>	</body>
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