<SEC-DOCUMENT>0000890564-18-000004.txt : 20180105
<SEC-HEADER>0000890564-18-000004.hdr.sgml : 20180105
<ACCEPTANCE-DATETIME>20180105170012
ACCESSION NUMBER:		0000890564-18-000004
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20180105
ITEM INFORMATION:		Other Events
FILED AS OF DATE:		20180105
DATE AS OF CHANGE:		20180105

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:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-35636
		FILM NUMBER:		18514050

	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>8-K
<SEQUENCE>1
<FILENAME>tcja8-k.htm
<DESCRIPTION>8-K
<TEXT>
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<div><a name="s20f569e8dac14c25aeede42b6c2d25ab"></a></div><div><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></div><div><br></div><div style="line-height:120%;text-align:center;-sec-extract:summary;font-size:18pt;"><font style="font-family:inherit;font-size:18pt;font-weight:bold;">UNITED STATES</font></div><div style="line-height:120%;text-align:center;text-indent:4px;font-size:18pt;"><font style="font-family:inherit;font-size:18pt;font-weight:bold;">SECURITIES AND EXCHANGE COMMISSION</font></div><div style="line-height:120%;text-align:center;text-indent:4px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-weight:bold;">Washington, D.C. 20549</font></div><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div style="line-height:120%;text-align:center;font-size:18pt;"><font style="font-family:inherit;font-size:18pt;font-weight:bold;">FORM&#160;8-K</font></div><div style="line-height:120%;text-align:center;font-size:12pt;"><font style="font-family:inherit;font-size:12pt;font-weight:bold;">&#160;</font></div><div style="line-height:120%;text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-weight:bold;">CURRENT REPORT</font></div><div style="line-height:120%;text-align:center;text-indent:4px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-weight:bold;">Pursuant to Section&#160;13 or 15(d)&#160;of the Securities Exchange Act of 1934</font></div><div style="line-height:120%;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;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div style="line-height:120%;text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Date of Report (Date of earliest event reported):</font><font style="font-family:inherit;font-size:10pt;font-weight:bold;">&#32;</font><font style="font-family:inherit;font-size:10pt;">January 5, 2018</font></div><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div style="line-height:120%;text-align:center;font-size:18pt;"><font style="font-family:inherit;font-size:18pt;font-weight:bold;">On Assignment,&#160;Inc.</font></div><div style="line-height:120%;text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">(Exact name of registrant as specified in its charter)</font></div><div style="line-height:120%;text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</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:63.4765625%;border-collapse:collapse;text-align:left;"><tr><td colspan="3"></td></tr><tr><td style="width:38%;"></td><td style="width:31%;"></td><td style="width:31%;"></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-weight:bold;">Delaware</font></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-weight:bold;">000-20540</font></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-weight:bold;">95-4023433</font></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">(State or other jurisdiction</font></div><div style="text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;of incorporation)</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">(Commission</font></div><div style="text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;File Number)</font></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">(IRS Employer</font></div><div style="text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;Identification No.)</font></div></td></tr></table></div></div><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</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:52.5390625%;border-collapse:collapse;text-align:left;"><tr><td colspan="2"></td></tr><tr><td style="width:81%;"></td><td style="width:19%;"></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-weight:bold;">26745 Malibu Hills Road, Calabasas, California</font></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-weight:bold;">91301</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:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">(Address of principal executive offices)</font></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">(Zip Code)</font></div></td></tr></table></div></div><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div><div style="line-height:120%;text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Registrant&#8217;s telephone number, including area code:&#160;&#160;</font><font style="font-family:inherit;font-size:10pt;font-weight:bold;">(818) 878-7900</font></div><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Check the appropriate box below if the Form&#160;8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):</font></div><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div style="line-height:120%;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;width:682px;border-collapse:collapse;text-align:left;"><tr><td colspan="2"></td></tr><tr><td style="width:14px;"></td><td style="width:666px;"></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;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="font-size:10pt;"><font style="font-family:Wingdings;font-size:10pt;">o</font><font style="font-family:inherit;font-size:10pt;">&#160;&#160;&#160;Written communications pursuant to Rule&#160;425 under the Securities Act (17 CFR 230.425)</font></div></td></tr></table></div></div><div style="line-height:120%;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;width:682px;border-collapse:collapse;text-align:left;"><tr><td colspan="2"></td></tr><tr><td style="width:14px;"></td><td style="width:666px;"></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;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="font-size:10pt;"><font style="font-family:Wingdings;font-size:10pt;">o</font><font style="font-family:inherit;font-size:10pt;">&#160;&#160;&#160;Soliciting material pursuant to Rule&#160;14a-12 under the Exchange Act (17 CFR 240.14a-12)</font></div></td></tr></table></div></div><div style="line-height:120%;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;width:682px;border-collapse:collapse;text-align:left;"><tr><td colspan="2"></td></tr><tr><td style="width:14px;"></td><td style="width:666px;"></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;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="font-size:10pt;"><font style="font-family:Wingdings;font-size:10pt;">o</font><font style="font-family:inherit;font-size:10pt;">&#160;&#160;&#160;Pre-commencement communications pursuant to Rule&#160;14d-2(b)&#160;under the Exchange Act (17&#160;CFR 240.14d-2(b))</font></div></td></tr></table></div></div><div style="line-height:120%;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;width:682px;border-collapse:collapse;text-align:left;"><tr><td colspan="2"></td></tr><tr><td style="width:14px;"></td><td style="width:666px;"></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;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="font-size:10pt;"><font style="font-family:Wingdings;font-size:10pt;">o</font><font style="font-family:inherit;font-size:10pt;">&#160;&#160; Pre-commencement communications pursuant to Rule&#160;13e-4(c)&#160;under the Exchange Act (17&#160;CFR 240.13e-4(c))</font></div></td></tr></table></div></div><div style="line-height:120%;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:99.8046875%;border-collapse:collapse;text-align:left;"><tr><td colspan="2"></td></tr><tr><td style="width:2%;"></td><td style="width:98%;"></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;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="padding-bottom:13px;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (&#167;230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (&#167;240.12b-2 of this chapter).</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="padding-bottom:13px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Emerging growth company  </font><font style="font-family:Wingdings;font-size:10pt;">o</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:12px;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:12px;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:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="padding-bottom:13px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.  </font><font style="font-family:Wingdings;font-size:10pt;">o</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:9px;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:9px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;</font></div></td></tr></table></div></div><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div style="line-height:120%;text-align:left;text-indent:48px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div><br></div><div><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></div><hr style="page-break-after:always"><div><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></div><div><br></div><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-weight:bold;">Item 8.01 &#160;&#160;&#160;&#160;Other Events</font></div><div style="line-height:120%;text-align:justify;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div style="line-height:120%;text-align:justify;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">On&#160;January 5, 2018, On Assignment, Inc. (the &#8220;Company&#8221;) issued a press release describing the expected impact Tax Cuts and Jobs Act of 2017 on its fourth quarter 2017 financial results and 2018 effective tax rate.</font></div><div style="line-height:120%;text-align:justify;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div style="line-height:120%;text-align:justify;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">A copy of the press release is furnished pursuant to Item 8.01 of this Current Report on Form 8-K as Exhibit 99.1.</font></div><div style="line-height:120%;text-align:justify;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div style="line-height:120%;text-align:justify;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">The information in this report, including Exhibit 99.1 attached hereto, shall not be deemed to be "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or otherwise subject to the liabilities of that Section, and shall not be incorporated by reference into any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing.</font></div><div style="line-height:120%;text-align:left;text-indent:52px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div style="line-height:120%;text-align:left;text-indent:52px;font-size:11pt;"><font style="font-family:inherit;font-size:11pt;"><br></font></div><div style="line-height:120%;text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-weight:bold;">Item 9.01 &#160;&#160;&#160;&#160;Financial Statements and Exhibits</font></div><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman; font-size:10pt;"><tr><td style="width:61px;"></td><td></td></tr><tr><td style="vertical-align:top"><div style="line-height:120%;font-size:10pt;padding-left:37px;"><font style="font-family:inherit;font-size:10pt;font-weight:bold;">(d)</font></div></td><td style="vertical-align:top;"><div style="line-height:120%;text-align:justify;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-weight:bold;">Exhibits</font></div></td></tr></table><div style="line-height:120%;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;width:682px;border-collapse:collapse;text-align:left;"><tr><td colspan="2"></td></tr><tr><td style="width:61px;"></td><td style="width:621px;"></td></tr><tr><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:right;font-size:10pt;"><a style="text-decoration:underline;color:#0000FF;-sec-extract:exhibit;" href="pressreleasetcja.htm"><font style="font-family:inherit;font-size:10pt;">99.1</font></a></div></td><td style="vertical-align:top;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="font-size:10pt;"><a style="text-decoration:underline;color:#0000FF;-sec-extract:exhibit;" href="pressreleasetcja.htm"><font style="font-family:inherit;font-size:10pt;">Press release of On Assignment, Inc. dated January 5, 2018.</font></a></div></td></tr></table></div></div><div><br></div><div><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></div><hr style="page-break-after:always"><div><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></div><div><br></div><div style="line-height:120%;text-align:right;font-size:8pt;"><font style="font-family:inherit;font-size:8pt;"><br></font></div><div style="line-height:120%;text-align:center;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-weight:bold;">SIGNATURE</font></div><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div style="line-height:120%;text-align:left;text-indent:65px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">According to the requirements of the Securities Exchange Act, as amended, the Company has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized on January 5, 2018.</font></div><div style="line-height:120%;text-align:left;text-indent:60px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div style="line-height:120%;text-align:left;padding-left:312px;text-indent:-252px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;</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:97.265625%;border-collapse:collapse;text-align:left;"><tr><td colspan="2"></td></tr><tr><td style="width:54%;"></td><td style="width:46%;"></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:left;padding-left:312px;text-indent:-312px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">On Assignment, Inc.</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:20px;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:20px;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:middle;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">/s/ Edward L. Pierce</font></div><div style="text-align:left;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><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;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:312px;text-indent:-312px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Edward L. Pierce</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:left;padding-left:312px;text-indent:-312px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Executive Vice President and Chief Financial Officer</font></div></td></tr></table></div></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%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div><br></div><div><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></div>	</body>
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<DESCRIPTION>EXHIBIT 99.1
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<div><a name="s6733a907af844c4b88ff7a8564eb949f"></a></div><div><div style="line-height:120%;text-align:right;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;">Exhibit 99.1</font></div></div><div><br></div><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div style="line-height:120%;text-align:right;font-size:11pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;text-align:-moz-right;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:94.921875%;border-collapse:collapse;text-align:left;margin-left:auto;margin-right:0;"><tr><td colspan="3"></td></tr><tr><td style="width:34%;"></td><td style="width:33%;"></td><td style="width:33%;"></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="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;font-size:11pt;"><font style="font-family:Arial;font-size:11pt;">For Release</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="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;font-size:11pt;"><font style="font-family:Arial;font-size:11pt;">January 5, 2018</font></div></td></tr></table></div></div><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div style="line-height:120%;text-align:left;font-size:11pt;"><font style="font-family:Arial;font-size:11pt;font-weight:bold;">Contacts:</font></div><div style="line-height:120%;text-align:left;font-size:11pt;"><font style="font-family:Arial;font-size:11pt;">Ed Pierce</font></div><div style="line-height:120%;text-align:left;font-size:11pt;"><font style="font-family:Arial;font-size:11pt;">Chief Financial Officer                                   </font><font style="font-family:inherit;font-size:10pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;</font></div><div style="line-height:120%;text-align:left;font-size:11pt;"><font style="font-family:Arial;font-size:11pt;">(818) 878-7900                                                                                </font></div><div style="line-height:120%;text-align:left;font-size:11pt;"><font style="font-family:Arial;font-size:11pt;font-weight:bold;">&#160;</font></div><div style="line-height:120%;text-align:center;padding-left:12px;text-indent:0px;font-size:16pt;"><font style="font-family:Arial;font-size:16pt;font-weight:bold;">On Assignment, Inc. Announces Estimated Effect of New U.S. Tax Law on its Previously-Announced Financial Estimates for Fourth Quarter 2017</font></div><div style="line-height:120%;text-align:center;padding-left:12px;text-indent:0px;font-size:16pt;"><font style="font-family:Arial;font-size:16pt;"><br></font></div><div style="line-height:120%;text-align:justify;font-size:10pt;"><font style="font-family:Arial;font-size:10pt;">CALABASAS, Calif.--(BUSINESS WIRE)--On Assignment, Inc. (NYSE: ASGN), a leading global provider of diversified professional staffing solutions, announced today that it expects to record in the fourth quarter of 2017 a one-time, non-cash income tax benefit of $30.5 million to $33.5 million ($0.58 to $0.64 per diluted share) as a result of the recently enacted Tax Cuts and Jobs Act (TCJA).  The income tax benefit is mainly the result of the revaluation of our net deferred income tax liabilities and an estimate of the transitional tax on deemed repatriated foreign earnings. </font></div><div style="line-height:120%;text-align:justify;font-size:10pt;"><font style="font-family:Arial;font-size:10pt;"><br></font></div><div style="line-height:120%;padding-bottom:24px;text-align:justify;font-size:10pt;"><font style="font-family:Arial;font-size:10pt;">As a result of this one-time income tax benefit, our financial estimates for net income and Adjusted Net Income (a non-GAAP measure) and related per share amounts have been updated for the fourth quarter of 2017.  Our net income estimate is now $61.4 to $66.2 million (compared with our previously-announced estimate of $30.9 million to $32.7 million), and our earnings per diluted share estimate is now $1.17 to $1.26 (compared with our previously-announced estimate of $0.59 to $0.62).  Our Adjusted Net Income (a non-GAAP measure) estimate is now $69.4 million to $74.1 million (compared with our previously-announced estimate of $38.9 million to $40.6 million), and our Adjusted Net Income per diluted share estimate is now $1.32 to $1.41 (compared with our previously-announced estimate of $0.74 to $0.77).  There are no other changes to our fourth quarter financial estimates.</font></div><div style="line-height:120%;padding-bottom:24px;text-align:justify;font-size:10pt;"><font style="font-family:Arial;font-size:10pt;">While the Company expects subsequent regulations and interpretations associated with the TCJA to be released that will provide additional guidance on application of the law, the Company currently estimates its effective tax rate for 2018 will range between 25.5 percent and 27.5 percent.</font></div><div style="line-height:120%;padding-bottom:24px;text-align:justify;font-size:10pt;"><font style="font-family:Arial;font-size:10pt;font-weight:bold;">About On Assignment</font></div><div style="line-height:120%;padding-bottom:24px;text-align:justify;font-size:10pt;"><font style="font-family:Arial;font-size:10pt;">On Assignment, Inc. is a leading global provider of highly skilled, hard-to-find professionals in the growing technology, life sciences, and creative sectors, where quality people are the key to success. The Company goes beyond matching r&#233;sum&#233;s with job descriptions to match people they know into positions they understand for temporary, contract-to-hire, and direct hire assignments. Clients recognize On Assignment for its quality candidates, quick response, and successful assignments. Professionals think of On Assignment as career-building partners with the depth and breadth of experience to help them reach their goals. The Company has a network of branch offices throughout&#160;the United States,&#160;Canada&#160;and Europe. To learn more, visit&#160;</font><font style="font-family:Arial;font-size:10pt;font-weight:bold;">http://www.onassignment.com</font><font style="font-family:Arial;font-size:10pt;">.</font></div><div style="line-height:120%;padding-bottom:24px;text-align:justify;font-size:10pt;"><font style="font-family:Arial;font-size:10pt;font-weight:bold;">Reasons for Presentation of Non-GAAP Financial Measures</font></div><div style="line-height:120%;padding-bottom:15px;padding-top:15px;text-align:justify;font-size:10pt;"><font style="font-family:Arial;font-size:10pt;">Statements in this release include non-GAAP financial measures. Such information is provided as additional information, not as an alternative to our consolidated financial statements presented in accordance with accounting principles generally accepted in&#160;the United States&#160;("GAAP"), and is intended to enhance an overall understanding of our current financial performance. These terms might not be calculated in the same manner as, and thus might not be comparable to, similarly titled measures reported by other companies. Our press release on October 25, 2017 includes a reconciliation of each non-GAAP financial measure to the most directly comparable GAAP financial measure. Below is a discussion of our non-GAAP financial measures referenced in this release.</font></div><div><br></div><div><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></div><hr style="page-break-after:always"><div></div><div><br></div><div style="line-height:120%;padding-bottom:15px;padding-top:15px;text-align:justify;font-size:10pt;"><font style="font-family:Arial;font-size:10pt;">Non-GAAP net income (net income, less income (loss) from discontinued operations, net of tax, plus, as applicable, refinancing costs, acquisition, integration and strategic planning expenses, accretion of fair value discount on contingent consideration, impairment charges, and the tax effect of these items) provides a method for assessing our operating results in a manner that is focused on the performance of our core business on an ongoing basis. Adjusted Net Income (Non-GAAP net income plus amortization of intangible assets, less income taxes on amortization for financial reporting purposes not deductible for income tax purposes) provides a method for assessing our operating results in a manner that is focused on the performance of our core business on an ongoing basis, adjusted for some of the cash flows associated with amortization of intangible assets to more fully present the performance of our acquisitions.</font></div><div style="line-height:120%;padding-bottom:24px;text-align:justify;font-size:10pt;"><font style="font-family:Arial;font-size:10pt;font-weight:bold;">Safe Harbor</font></div><div style="line-height:120%;padding-bottom:15px;padding-top:15px;text-align:justify;font-size:10pt;"><font style="font-family:Arial;font-size:10pt;">Certain of the above statements made in this news release are forward-looking statements within the meaning of Section&#160;21E of the Securities Exchange Act of 1934, as amended, and involve a high degree of risk and uncertainty. Forward-looking statements are not guarantees of future performance, and actual results might differ materially. In particular, the Company makes no assurances that the estimates set forth above will be achieved. Factors that could cause or contribute to such differences include actual demand for our services, our ability to attract, train and retain qualified staffing consultants, our ability to remain competitive in obtaining and retaining clients, the availability of qualified contract professionals, management of our growth, continued performance and improvement of our enterprise-wide information systems, our ability to manage our litigation matters, the successful integration of our acquired subsidiaries, the successful implementation of our five-year strategic plan, and other risks detailed from time to time in our reports filed with the&#160;SEC, including our Annual Report on Form 10-K for the year ended&#160;December 31, 2016. We specifically disclaim any intention or duty to update any forward-looking statements contained in this news release.</font></div><div style="line-height:120%;padding-bottom:15px;padding-top:15px;text-align:justify;font-size:10pt;"><font style="font-family:Arial;font-size:10pt;">Forward-looking statements include statements regarding the estimated effects of tax legislation on the Company&#8217;s earnings for the three months ended December 31, 2017 and on its 2018 effective tax rate. These forward-looking statements consist of preliminary estimates, are based on currently available information, as well as our current interpretations, assumptions and expectations relating to tax legislation, and are subject to change, possibly materially, as the Company completes its year-end financial statements.</font></div><div style="line-height:120%;padding-bottom:24px;text-align:justify;font-size:10pt;"><font style="font-family:Arial;font-size:10pt;"><br></font></div><div style="line-height:120%;padding-bottom:15px;padding-top:15px;text-align:justify;font-size:10pt;"><font style="font-family:Arial;font-size:10pt;"><br></font></div><div style="line-height:120%;text-align:center;padding-left:12px;text-indent:0px;font-size:16pt;"><font style="font-family:Arial;font-size:16pt;"><br></font></div><div style="line-height:120%;text-align:left;font-size:11pt;"><font style="font-family:Arial;font-size:11pt;"><br></font></div><div style="line-height:120%;text-align:justify;font-size:10pt;"><font style="font-family:Arial;font-size:10pt;"><br></font></div><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div><div><br></div><div><div style="line-height:120%;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;"><br></font></div></div>	</body>
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