<SEC-DOCUMENT>0001104659-15-077428.txt : 20151111
<SEC-HEADER>0001104659-15-077428.hdr.sgml : 20151111
<ACCEPTANCE-DATETIME>20151110060712
ACCESSION NUMBER:		0001104659-15-077428
CONFORMED SUBMISSION TYPE:	NT 10-Q
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20150930
FILED AS OF DATE:		20151110
DATE AS OF CHANGE:		20151110
EFFECTIVENESS DATE:		20151110

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			TUTOR PERINI Corp
		CENTRAL INDEX KEY:			0000077543
		STANDARD INDUSTRIAL CLASSIFICATION:	GENERAL BUILDING CONTRACTORS - NONRESIDENTIAL BUILDINGS [1540]
		IRS NUMBER:				041717070
		STATE OF INCORPORATION:			MA
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		NT 10-Q
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-06314
		FILM NUMBER:		151217304

	BUSINESS ADDRESS:	
		STREET 1:		15901 OLDEN STREET
		CITY:			SYLMAR
		STATE:			CA
		ZIP:			91342
		BUSINESS PHONE:		818-362-8391

	MAIL ADDRESS:	
		STREET 1:		15901 OLDEN STREET
		CITY:			SYLMAR
		STATE:			CA
		ZIP:			91342

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	PERINI CORP
		DATE OF NAME CHANGE:	19920703
</SEC-HEADER>
<DOCUMENT>
<TYPE>NT 10-Q
<SEQUENCE>1
<FILENAME>a15-22735_2nt10q.htm
<DESCRIPTION>NT 10-Q
<TEXT>


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<p style="margin:0in 0in .0001pt;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">&nbsp;</font></b></p>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="1" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
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<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="1" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="50%" valign="top" style="padding:0in .7pt 0in .7pt;width:50.5%;">
<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="1" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="4%" valign="top" style="border:none;border-right:solid windowtext 1.0pt;padding:0in .7pt 0in .7pt;width:4.54%;">
<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="1" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="1" face="Times New Roman" style="font-size:8.0pt;">OMB APPROVAL</font></p>    </td>   </tr>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;">&nbsp;</font></b></p>    </td>
<td width="4%" rowspan="3" valign="bottom" style="height:17.25pt;padding:0in .7pt 0in .7pt;width:4.56%;">
<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="1" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">UNITED STATES<br>   SECURITIES AND EXCHANGE COMMISSION<br>   Washington, D.C. 20549</font></b></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">&nbsp;</font></b></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><b><font size="5" face="Times New Roman" style="font-size:16.0pt;font-weight:bold;">FORM 12b-25</font></b></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">&nbsp;</font></b></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">NOTIFICATION OF LATE FILING</font></b></p>    </td>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="1" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="20%" height="23" valign="top" style="border-bottom:solid windowtext 1.0pt;border-left:none;border-right:solid windowtext 1.0pt;border-top:none;height:17.25pt;padding:0in .7pt 0in .7pt;width:20.2%;">
<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="1" face="Times New Roman" style="font-size:8.0pt;">OMB Number: 3235-0058<br>   Expires: October 31, 2018<br>   Estimated average burden<br>   hours per response . . . . . . 2.50</font></p>    </td>   </tr>
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<td width="20%" height="23" valign="top" style="border-bottom:solid windowtext 1.0pt;border-left:none;border-right:solid windowtext 1.0pt;border-top:none;height:17.25pt;padding:0in .7pt 0in .7pt;width:20.2%;">
<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="1" face="Times New Roman" style="font-size:8.0pt;">SEC FILE NUMBER<br> 1-6314</font></p>    </td>   </tr>
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<td width="20%" height="23" valign="top" style="border-bottom:solid windowtext 1.0pt;border-left:none;border-right:solid windowtext 1.0pt;border-top:none;height:17.25pt;padding:0in .7pt 0in .7pt;width:20.2%;">
<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="1" face="Times New Roman" style="font-size:8.0pt;">CUSIP NUMBER<br> 901109108</font></p>    </td>   </tr>  </table>
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<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<div align="center">
<table border="0" cellspacing="0" cellpadding="0" width="100%" style="border-collapse:collapse;width:100.0%;">
<tr>
<td width="13%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:13.9%;">
<p style="margin:0in 0in .0001pt;text-autospace:none;"><i><font size="2" face="Times New Roman" style="font-size:10.0pt;font-style:italic;">(Check   one):</font></i></p>    </td>
<td width="2%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:2.86%;">
<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="16%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:16.64%;">
<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Wingdings" style="font-size:10.0pt;">o</font><font size="2" style="font-size:10.0pt;">&nbsp;Form 10-K</font></p>    </td>
<td width="17%" colspan="2" valign="bottom" style="padding:0in .7pt 0in .7pt;width:17.12%;">
<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Wingdings" style="font-size:10.0pt;">o</font><font size="2" style="font-size:10.0pt;">&nbsp;Form 20-F</font></p>    </td>
<td width="16%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:16.92%;">
<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Wingdings" style="font-size:10.0pt;">o</font><font size="2" style="font-size:10.0pt;">&nbsp;Form 11-K</font></p>    </td>
<td width="16%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:16.88%;">
<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Wingdings" style="font-size:10.0pt;">x</font><font size="2" style="font-size:10.0pt;">&nbsp;Form 10-Q</font></p>    </td>
<td width="15%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:15.68%;">
<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Wingdings" style="font-size:10.0pt;">o</font><font size="2" style="font-size:10.0pt;">&nbsp;Form 10-D</font></p>    </td>   </tr>
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<td width="13%" valign="top" style="padding:0in .7pt 0in .7pt;width:13.9%;">
<p style="margin:0in 0in .0001pt;text-autospace:none;"><i><font size="2" face="Times New Roman" style="font-size:1.0pt;font-style:italic;">&nbsp;</font></i></p>    </td>
<td width="2%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:2.86%;">
<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="16%" valign="top" style="padding:0in .7pt 0in .7pt;width:16.64%;">
<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Wingdings" style="font-size:10.0pt;">o</font><font size="2" style="font-size:10.0pt;">&nbsp;Form N-SAR</font></p>    </td>
<td width="17%" colspan="2" valign="top" style="padding:0in .7pt 0in .7pt;width:17.12%;">
<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Wingdings" style="font-size:10.0pt;">o</font><font size="2" style="font-size:10.0pt;">&nbsp;Form N-CSR</font></p>    </td>
<td width="16%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:16.92%;">
<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="16%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:16.88%;">
<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="15%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:15.68%;">
<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>   </tr>
<tr>
<td width="13%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:13.9%;">
<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>
<td width="2%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:2.86%;">
<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>
<td width="16%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:16.64%;">
<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>
<td width="17%" colspan="2" valign="bottom" style="padding:0in .7pt 0in .7pt;width:17.12%;">
<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>
<td width="16%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:16.92%;">
<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>
<td width="16%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:16.88%;">
<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>
<td width="15%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:15.68%;">
<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>   </tr>
<tr>
<td width="13%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:13.9%;">
<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="2%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:2.86%;">
<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="16%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:16.64%;">
<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">For Period   Ended:</font></p>    </td>
<td width="66%" colspan="5" valign="bottom" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0in .7pt 0in .7pt;width:66.6%;">
<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">September 30, 2015</font></p>    </td>   </tr>
<tr>
<td width="13%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:13.9%;">
<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="2%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:2.86%;">
<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="50%" colspan="4" valign="bottom" style="padding:0in .7pt 0in .7pt;width:50.68%;">
<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Wingdings" style="font-size:10.0pt;">o</font><font size="2" style="font-size:10.0pt;">&nbsp;</font><font size="2" style="font-size:10.0pt;">Transition Report on Form 10-K</font></p>    </td>
<td width="16%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:16.88%;">
<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="15%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:15.68%;">
<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>   </tr>
<tr>
<td width="13%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:13.9%;">
<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="2%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:2.86%;">
<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="50%" colspan="4" valign="bottom" style="padding:0in .7pt 0in .7pt;width:50.68%;">
<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Wingdings" style="font-size:10.0pt;">o</font><font size="2" style="font-size:10.0pt;">&nbsp;</font><font size="2" style="font-size:10.0pt;">Transition Report on Form 20-F</font></p>    </td>
<td width="16%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:16.88%;">
<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="15%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:15.68%;">
<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>   </tr>
<tr>
<td width="13%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:13.9%;">
<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="2%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:2.86%;">
<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="50%" colspan="4" valign="bottom" style="padding:0in .7pt 0in .7pt;width:50.68%;">
<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Wingdings" style="font-size:10.0pt;">o</font><font size="2" style="font-size:10.0pt;">&nbsp;</font><font size="2" style="font-size:10.0pt;">Transition Report on Form 11-K</font></p>    </td>
<td width="16%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:16.88%;">
<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="15%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:15.68%;">
<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>   </tr>
<tr>
<td width="13%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:13.9%;">
<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="2%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:2.86%;">
<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="50%" colspan="4" valign="bottom" style="padding:0in .7pt 0in .7pt;width:50.68%;">
<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Wingdings" style="font-size:10.0pt;">o</font><font size="2" style="font-size:10.0pt;">&nbsp;</font><font size="2" style="font-size:10.0pt;">Transition Report on Form 10-Q</font></p>    </td>
<td width="16%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:16.88%;">
<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="15%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:15.68%;">
<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>   </tr>
<tr>
<td width="13%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:13.9%;">
<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="2%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:2.86%;">
<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="50%" colspan="4" valign="bottom" style="padding:0in .7pt 0in .7pt;width:50.68%;">
<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Wingdings" style="font-size:10.0pt;">o</font><font size="2" style="font-size:10.0pt;">&nbsp;</font><font size="2" style="font-size:10.0pt;">Transition Report on Form N-SAR</font></p>    </td>
<td width="16%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:16.88%;">
<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="15%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:15.68%;">
<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>   </tr>
<tr>
<td width="13%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:13.9%;">
<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="2%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:2.86%;">
<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="29%" colspan="2" valign="bottom" style="padding:0in .7pt 0in .7pt;width:29.44%;">
<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">For the   Transition Period Ended:</font></p>    </td>
<td width="53%" colspan="4" valign="bottom" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0in .7pt 0in .7pt;width:53.8%;">
<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><i><font size="2" face="Times New Roman" style="font-size:10.0pt;font-style:italic;">Read Instructions (on back   page) Before Preparing Form. Please Print or Type.</font></i><b><font size="2" style="font-size:10.0pt;font-weight:bold;"><br>   Nothing in this form shall be construed to imply that the Commission has   verified any information contained herein.</font></b></p>    </td>   </tr>  </table>
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<p style="margin:0in 0in .0001pt;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">&nbsp;</font></b></p>
<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">If the notification relates to a portion of the filing checked above, identify the Item(s) to which the notification relates: </font></p>
<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Part I-Item 1 and Part II-Item 1 of Form 10-Q</font></p>
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<p style="margin:0in 0in .0001pt;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">&nbsp;</font></b></p>
<p style="margin:0in 0in .0001pt;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">PART I &#151; REGISTRANT INFORMATION</font></b></p>
<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
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<p style="margin:0in 0in .0001pt;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Tutor   Perini Corporation</font></b></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Full Name of   Registrant</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">N/A</font></b></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Former Name if   Applicable</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">15901   Olden Street</font></b></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Address of   Principal Executive Office <i>(Street and   Number)</i></font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Sylmar,   California 91342-1093</font></b></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">City, State and   Zip Code</font></p>    </td>   </tr>  </table>
<p style="margin:0in 0in .0001pt;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">&nbsp;</font></b></p>
<p style="margin:0in 0in .0001pt;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">PART II &#151; RULES 12b-25(b) AND (c)</font></b></p>
<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">If the subject report could not be filed without unreasonable effort or expense and the registrant seeks relief pursuant to Rule&nbsp;12b-25(b), the following should be completed. (Check box if appropriate)</font></p>
<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
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<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(a)</font></p>    </td>
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<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">The reason   described in reasonable detail in Part&nbsp;III of this form could not be   eliminated without unreasonable effort or expense</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Wingdings" style="font-size:10.0pt;">x</font></p>    </td>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(b)</font></p>    </td>
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<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">The subject   annual report, semi-annual report, transition report on Form&nbsp;10-K,   Form&nbsp;20-F, Form&nbsp;11-K, Form&nbsp;N-SAR or Form&nbsp;N-CSR,   or portion thereof, will be filed on or before the fifteenth calendar day   following the prescribed due date; or the subject quarterly report or   transition report on Form&nbsp;10-Q or subject distribution report on   Form&nbsp;10-D, or portion thereof, will be filed on or before the   fifth calendar day following the prescribed due date; and</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="3%" valign="top" style="border:none;padding:0in .7pt 0in .7pt;width:3.96%;">
<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(c)</font></p>    </td>
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<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">The accountant&#146;s   statement or other exhibit required by Rule&nbsp;12b-25(c) has been   attached if applicable.</font></p>    </td>   </tr>  </table>
<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">PART III &#151; NARRATIVE</font></b></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">State below in reasonable detail why Forms&nbsp;10</font><font size="2" style="font-size:10.0pt;">-</font><font size="2" style="font-size:10.0pt;">K, 20</font><font size="2" style="font-size:10.0pt;">-</font><font size="2" style="font-size:10.0pt;">F, 11</font><font size="2" style="font-size:10.0pt;">-</font><font size="2" style="font-size:10.0pt;">K, 10</font><font size="2" style="font-size:10.0pt;">-</font><font size="2" style="font-size:10.0pt;">Q, 10</font><font size="2" style="font-size:10.0pt;">-</font><font size="2" style="font-size:10.0pt;">D, N</font><font size="2" style="font-size:10.0pt;">-</font><font size="2" style="font-size:10.0pt;">SAR, N</font><font size="2" style="font-size:10.0pt;">-</font><font size="2" style="font-size:10.0pt;">CSR, or the transition report or </font><font size="2" style="font-size:10.0pt;">portion thereof, could not be filed within the prescribed time period.</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Please see Attachment A</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
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<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">SEC&nbsp;1344 (04-09)</font></p>    </td>
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<p style="margin:0in 0in .0001pt;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Persons who are to respond to the collection of   information contained in this form are not required to respond unless the   form displays a currently valid OMB control number.</font></b></p>    </td>   </tr>  </table>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<div style="margin:0in 0in .0001pt;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">PART IV &#151; OTHER INFORMATION</font></b></p>
<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
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<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(1)</font></p>    </td>
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<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Name and   telephone number of person to contact in regard to this notification</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Gary G. Smalley</font></b></p>    </td>
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<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="16%" valign="top" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0in .7pt 0in .7pt;width:16.74%;">
<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">818</font></b></p>    </td>
<td width="1%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:1.54%;">
<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="23%" valign="top" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0in .7pt 0in .7pt;width:23.86%;">
<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">362-8391</font></b></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(Name)</font></p>    </td>
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<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(Area Code)</font></p>    </td>
<td width="1%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:1.54%;">
<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="23%" valign="top" style="padding:0in .7pt 0in .7pt;width:23.86%;">
<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(Telephone Number)</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>
<td width="96%" colspan="5" valign="top" style="padding:0in .7pt 0in .7pt;width:96.62%;">
<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(2)</font></p>    </td>
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<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Have all other   periodic reports required under Section 13 or 15(d) of the Securities   Exchange Act of 1934 or Section 30 of the Investment Company Act of 1940   during the preceding 12 months or for such shorter period that the registrant   was required to file such report(s) been filed? If answer is no, identify   report(s). </font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>
<td width="96%" colspan="5" valign="top" style="padding:0in .7pt 0in .7pt;width:96.62%;">
<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="52%" valign="top" style="padding:0in .7pt 0in .7pt;width:52.76%;">
<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="1%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:1.72%;">
<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="16%" valign="top" style="padding:0in .7pt 0in .7pt;width:16.74%;">
<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="1%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:1.54%;">
<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="23%" valign="top" style="padding:0in .7pt 0in .7pt;width:23.86%;">
<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Wingdings" style="font-size:10.0pt;">x</font><font size="2" style="font-size:10.0pt;">&nbsp;Yes&nbsp;&nbsp;&nbsp;&nbsp;</font><font size="2" face="Wingdings" style="font-size:10.0pt;">o</font><font size="2" style="font-size:10.0pt;">&nbsp;No</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>
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<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>
<td width="1%" valign="bottom" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0in .7pt 0in .7pt;width:1.54%;">
<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>
<td width="23%" valign="top" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0in .7pt 0in .7pt;width:23.86%;">
<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(3)</font></p>    </td>
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<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Is it   anticipated that any significant change in results of operations from the   corresponding period for the last fiscal year will be reflected by the earnings   statements to be included in the subject report or portion thereof?</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="52%" valign="top" style="padding:0in .7pt 0in .7pt;width:52.76%;">
<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="1%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:1.72%;">
<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="16%" valign="top" style="padding:0in .7pt 0in .7pt;width:16.74%;">
<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="1%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:1.54%;">
<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="23%" valign="top" style="padding:0in .7pt 0in .7pt;width:23.86%;">
<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Wingdings" style="font-size:10.0pt;">o</font><font size="2" style="font-size:10.0pt;">&nbsp;Yes&nbsp;&nbsp;&nbsp;&nbsp;</font><font size="2" face="Wingdings" style="font-size:10.0pt;">x</font><font size="2" style="font-size:10.0pt;">&nbsp;No</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>
<td width="52%" valign="top" style="padding:0in .7pt 0in .7pt;width:52.76%;">
<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>
<td width="1%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:1.72%;">
<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>
<td width="16%" valign="top" style="padding:0in .7pt 0in .7pt;width:16.74%;">
<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>
<td width="1%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:1.54%;">
<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>
<td width="23%" valign="top" style="padding:0in .7pt 0in .7pt;width:23.86%;">
<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>   </tr>
<tr>
<td width="3%" valign="top" style="padding:0in .7pt 0in .7pt;width:3.38%;">
<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
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<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">If so, attach an   explanation of the anticipated change, both narratively and quantitatively,   and, if appropriate, state the reasons why a reasonable estimate of the   results cannot be made.</font></p>    </td>   </tr>  </table>
<p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">&nbsp;</font></b></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Tutor Perini Corporation</font></b></p>
<div align="center" style="line-height:8.0pt;margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">
<hr size="1" width="100%" noshade align="center" style="color:black;">
</font></b></div>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(Name of Registrant as Specified in Charter)</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;text-align:justify;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">has caused this notification to be signed on its behalf by the undersigned hereunto duly authorized.</font></p>
<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<table border="0" cellspacing="0" cellpadding="0" width="100%" style="border-collapse:collapse;width:100.0%;">
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<td width="4%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:4.88%;">
<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Date</font></p>    </td>
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<p style="margin:0in 0in .0001pt;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">November   10, 2015</font></b></p>    </td>
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<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="3%" valign="bottom" style="padding:0in .7pt 0in .7pt;width:3.24%;">
<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">By</font></p>    </td>
<td width="44%" valign="bottom" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0in .7pt 0in .7pt;width:44.76%;">
<p style="margin:0in 0in .0001pt;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">/s/   Gary G. Smalley</font></b></p>    </td>   </tr>  </table>
<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">INSTRUCTION: The form may be signed by an executive officer of the registrant or by any other duly authorized representative. The name and title of the person signing the form shall be typed or printed beneath the signature. If the statement is signed on behalf of the registrant by an authorized representative (other than an executive officer), evidence of the representative&#146;s authority to sign on behalf of the registrant shall be filed with the form.</font></p>
<p style="margin:0in 0in .0001pt;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">&nbsp;</font></b></p>
<table border="0" cellspacing="0" cellpadding="0" width="100%" style="border-collapse:collapse;width:100.0%;">
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<td width="33%" valign="top" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0in .7pt 0in .7pt;width:33.32%;">
<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">ATTENTION</font></b></p>    </td>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>   </tr>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Intentional misstatements or   omissions of fact constitute Federal Criminal Violations (See 18 U.S.C.   1001).</font></b></p>    </td>   </tr>  </table>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Attachment A</font></b></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;"><b><u><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Part III</font></u></b></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">On November&nbsp;9, 2015, Tutor Perini Corporation (the &#147;Company&#148;) received notice of an adverse ruling related to the Brightwater Matter litigation contingency, which the Company had previously disclosed in its financial statements filed with Securities and Exchange Commission on forms 10-K and 10-Q.&#160; The Company is evaluating this ruling to determine the amount it needs to accrue for this non-cash charge as of September&nbsp;30, 2015.&#160; Due to the late nature of the notice, the Company was unable to complete its evaluation before the November&nbsp;9, 2015 filing date for the Company&#146;s Quarterly Report on Form&nbsp;10-Q for the quarter ended September&nbsp;30, 2015 (the &#147;Form&nbsp;10-Q&#148;). The Company expects to file the Form&nbsp;10-Q with the Securities and Exchange Commission on or before the fifth calendar day as described in Rule&nbsp;12b-25 under the Securities Exchange Act of 1934, as amended. A summary of the Company&#146;s financial results is available in the transcript to its conference call on November&nbsp;9, 2015 at 2:00 p.m.&nbsp;PT, attached as Exhibit&nbsp;99.1 to its Current Report on Form&nbsp;8-K filed on November&nbsp;10, 2015.</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">The statements contained in this report that are not purely historical are forward-looking statements within the meaning of Section&nbsp;27A of the Securities Act of 1933 and Section&nbsp;21E of the Securities Exchange Act of 1934, including without limitation, statements regarding the Company&#146;s expectations, hopes, beliefs, intentions or strategies regarding the future and statements regarding future guidance or estimates and non-historical performance. These forward-looking statements are based on the Company&#146;s current expectations and beliefs concerning future developments and their potential effects on the Company. The Company&#146;s expectations, beliefs and projections are expressed in good faith and the Company believes there is a reasonable basis for them. There can be no assurance that future developments affecting the Company will be those that we have anticipated. These forward-looking statements involve a number of risks, uncertainties (some of which are beyond the control of the Company) or other assumptions that may cause actual results or performance to be materially different from those expressed or implied by such forward-looking statements. These risks and uncertainties include, but are not limited to, the Company&#146;s ability to win new contracts and convert backlog into revenue; the Company&#146;s ability to successfully and timely complete construction projects; the Company&#146;s ability to realize the anticipated economic and business benefits of its acquisitions and its strategy to assemble and operate a Specialty Contractors business segment; the outcomes of pending or future litigation, arbitration or other dispute resolution proceedings and timing of related collections; the potential delay, suspension, termination, or reduction in scope of a construction project; the continuing validity of the underlying assumptions and estimates of total forecasted project revenue, costs and profits and project schedules; the availability of borrowed funds on terms acceptable to the Company; the ability to retain certain members of management; the ability to obtain surety bonds to secure its performance under certain construction contracts; possible labor disputes or work stoppages&nbsp;within the construction industry; changes in federal and state appropriations for infrastructure projects and the impact of changing economic conditions on federal, state and local funding for infrastructure projects; possible changes or developments in international or domestic political, social, economic, business, industry, market and regulatory conditions or circumstances; actions taken or not taken by third parties, including the Company&#146;s customers, suppliers, business partners, and competitors and legislative, regulatory, judicial and other governmental authorities and officials; impact of inclement weather conditions on projects; and other risks and uncertainties discussed under the heading &#147;Risk Factors&#148; in our Annual Report on Form&nbsp;10-K for the year ended December&nbsp;31, 2014 filed with the Securities and Exchange Commission on February&nbsp;26, 2015. The Company undertakes no obligation to publicly update or revise any forward-looking statements, whether as a result of new information, future events or otherwise, except as may be required under applicable securities laws.</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
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