<SUBMISSION>
<ACCESSION-NUMBER>0000950135-06-000883
<TYPE>8-K
<PUBLIC-DOCUMENT-COUNT>3
<PERIOD>20060216
<ITEMS>2.02
<ITEMS>9.01
<FILING-DATE>20060216
<DATE-OF-FILING-DATE-CHANGE>20060216
<FILER>
<COMPANY-DATA>
<CONFORMED-NAME>AAVID THERMAL TECHNOLOGIES INC
<CIK>0001003481
<ASSIGNED-SIC>3679
<IRS-NUMBER>020466826
<STATE-OF-INCORPORATION>DE
<FISCAL-YEAR-END>1231
</COMPANY-DATA>
<FILING-VALUES>
<FORM-TYPE>8-K
<ACT>34
<FILE-NUMBER>033-99232
<FILM-NUMBER>06623681
</FILING-VALUES>
<BUSINESS-ADDRESS>
<STREET1>ONE EAGLE SQUARE
<STREET2>SUITE 509
<CITY>CONCORD
<STATE>NH
<ZIP>03301
<PHONE>6032241117
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>P O BOX 400
<CITY>LACONIA
<STATE>NH
<ZIP>03247-0400
</MAIL-ADDRESS>
</FILER>
<DOCUMENT>
<TYPE>8-K
<SEQUENCE>1
<FILENAME>b59192k2e8vk.htm
<DESCRIPTION>AAVID THERMAL TECHNOLOGIES, INC.
<TEXT>
<HTML>
<HEAD>
<TITLE>e8vk</TITLE>
</HEAD>
<BODY bgcolor="#FFFFFF">
<!-- PAGEBREAK -->
<H5 align="left" style="page-break-before:always"><A HREF="#toc">Table of Contents</A></H5><P>
<DIV style="font-family: 'Times New Roman',Times,serif">



<DIV style="width: 100%; border-bottom: 2pt solid black; font-size: 1pt">&nbsp;</DIV>
<DIV style="width: 100%; border-bottom: 1pt solid black; font-size: 1pt">&nbsp;</DIV>




<DIV align="center" style="font-size: 14pt; margin-top: 12pt"><B>SECURITIES AND EXCHANGE COMMISSION</B>
</DIV>

<DIV align="center" style="font-size: 12pt"><B>WASHINGTON, D.C. 20549</B>
</DIV>

<DIV align="center" style="font-size: 18pt; margin-top: 12pt"><B>FORM 8-K</B>
</DIV>


<DIV align="center" style="font-size: 12pt; margin-top: 12pt"><B>CURRENT REPORT<BR>
PURSUANT TO SECTION 13 OR 15(D) OF THE<BR>
SECURITIES EXCHANGE ACT OF 1934</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 12pt">Date of
Report (Date of earliest event
reported):&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<u>February&nbsp;16,&nbsp;2006</u>
</DIV>

<DIV align="center" style="font-size: 24pt; margin-top: 12pt"><B>AAVID THERMAL TECHNOLOGIES, INC.</B>
</DIV>

<DIV align="center" style="font-size: 10pt"><DIV style="border-bottom: 1px solid #000000; font-size: 1px">&nbsp;</DIV></DIV>


<DIV align="center" style="font-size: 10pt">(Exact Name of Registrant as Specified in its Charter)</DIV>


<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="30%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="30%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="30%">&nbsp;</TD>
</TR>
<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom">
    <TD align="center" valign="top">Delaware
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">0-27308
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">02-0466826</TD>
</TR>
<TR style="font-size: 1px">
    <TD align="center" valign="top" style="border-top: 1px solid #000000">&nbsp;
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top" style="border-top: 1px solid #000000">&nbsp;
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top" style="border-top: 1px solid #000000">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top">(State or Other Jurisdiction<BR>
of Incorporation)
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">(Commission<BR>
File Number)
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">(IRS Employer<BR>
Identification No.)</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>

<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="47%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="47%">&nbsp;</TD>
</TR>
<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom">
    <TD align="center" valign="top">One Eagle Square, Suite&nbsp;509<BR>
Concord, New Hampshire
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top"><BR>
03301</TD>
</TR>
<TR style="font-size: 1px">
    <TD align="center" valign="top" style="border-top: 1px solid #000000">&nbsp;
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top" style="border-top: 1px solid #000000">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top">(Address of Principal Executive Offices)
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">(Zip Code)</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 12pt">Registrant&#146;s telephone number, including area code:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<u>(603)&nbsp;224-1117</u>
</DIV>


<DIV align="center" style="font-size: 10pt; margin-top: 18pt">Not Applicable
</DIV>

<DIV align="center" style="font-size: 10pt"><DIV style="border-bottom: 1px solid #000000; font-size: 1px">&nbsp;</DIV></DIV>


<DIV align="center" style="font-size: 10pt">(Former Name or Former Address, if Change Since Last Report)</DIV>


<!-- nbsp -->
<DIV align="left" style="font-size: 10pt; margin-top: 6pt">Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy
the filing obligation of the registrant under any of the following provisions:
</DIV>


<DIV style="margin-top: 6pt">
<TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt">
<TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="3%" nowrap align="left"><FONT face="Wingdings">&#111;</FONT></TD>
    <TD width="1%">&nbsp;</TD>
    <TD>Written communications pursuant to Rule&nbsp;425 under the Securities Act (17 CFR 230.425)</TD>
</TR>

<TR>
    <TD style="font-size: 6pt">&nbsp;</TD>
</TR>
<TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="3%" nowrap align="left"><FONT face="Wingdings">&#111;</FONT></TD>
    <TD width="1%">&nbsp;</TD>
    <TD>Soliciting material pursuant to Rule&nbsp;14a-12 under the Exchange Act (17 CFR 240.14a-12)</TD>
</TR>

<TR>
    <TD style="font-size: 6pt">&nbsp;</TD>
</TR>
<TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="3%" nowrap align="left"><FONT face="Wingdings">&#111;</FONT></TD>
    <TD width="1%">&nbsp;</TD>
    <TD>Pre-commencement communications pursuant to Rule&nbsp;14d-2(b) under the Exchange Act (17 CFR
240.14d-2(b))</TD>
</TR>

<TR>
    <TD style="font-size: 6pt">&nbsp;</TD>
</TR>
<TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="3%" nowrap align="left"><FONT face="Wingdings">&#111;</FONT></TD>
    <TD width="1%">&nbsp;</TD>
    <TD>Pre-commencement communications pursuant to Rule&nbsp;13e-4(c) under the Exchange Act (17 CFR
240.13e-4(c))</TD>
</TR>

</TABLE>
</DIV>


<DIV style="width: 100%; border-bottom: 1pt solid black; margin-top: 10pt; font-size: 1pt">&nbsp;</DIV>
<DIV style="width: 100%; border-bottom: 2pt solid black; font-size: 1pt">&nbsp;</DIV>





<P align="center" style="font-size: 10pt">&nbsp;
</DIV>

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<DIV style="font-family: 'Times New Roman',Times,serif">

<!-- TOC -->
<A name="toc"><DIV align="CENTER" style="page-break-before:always"><U><B>TABLE OF CONTENTS</B></U></DIV></A>

<P><CENTER>
<TABLE border="0" width="90%" cellpadding="0" cellspacing="0">
<TR>
	<TD width="3%"></TD>
	<TD width="3%"></TD>
	<TD width="3%"></TD>
	<TD width="3%"></TD>
	<TD width="3%"></TD>
	<TD width="3%"></TD>
	<TD width="3%"></TD>
	<TD width="3%"></TD>
	<TD width="76%"></TD>
</TR>
<TR><TD></TD><TD colspan="8"><A HREF="#000">ITEM 2.02. REGULATION FD DISCLOSURE</A></TD></TR>
<TR><TD></TD><TD colspan="8"><A HREF="#001">ITEM 9.01. FINANCIAL STATEMENTS AND EXHIBITS</A></TD></TR>
<TR><TD colspan="9"><A HREF="#002">SIGNATURES</A></TD></TR>
<TR><TD colspan="9"><A HREF="#003">EXHIBIT INDEX</A></TD></TR>
<TR><TD colspan="9"><A HREF="b59192k2exv99w1.htm">PRESS RELEASE DATED FEBRUARY 16, 2006</A></TD></TR>
</TABLE>
</CENTER>
<!-- /TOC -->
<P><HR noshade><P>
<H5 align="left" style="page-break-before:always"><A HREF="#toc">Table of Contents</A></H5><P>




<!-- link2 "ITEM 2.02. REGULATION FD DISCLOSURE" -->
<DIV align="left"><A NAME="000"></A></DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 12pt">ITEM 2.02. REGULATION FD DISCLOSURE
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The Information contained in this Item of this Current Report on Form 8-K is being furnished
pursuant to &#147;Item&nbsp;1.01. Entry into a Material Definitive Agreement&#148;.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The information in this Current Report is being furnished and shall not be deemed &#147;filed&#148; for
the purposes of Section&nbsp;18 of the Securities Exchange Act of 1934, as amended, or otherwise subject
to the liabilities of such Section. The information in this Current Report shall not be
incorporated by reference into any registration statement or other document pursuant to the
Securities Act of 1933, except as shall be expressly set forth by specific reference in such filing.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;On February&nbsp;16, 2006, Aavid Thermal Technologies, Inc. issued a press release announcing the
execution of an Agreement and Plan of Merger with ANSYS, Inc. on February&nbsp;15, 2006. A copy of the
press release is attached as Exhibit&nbsp;10.3. A copy of the Agreement and Plan of Merger and any
required ancillary documents will be filed separately.
</DIV>
<!-- link2 "ITEM 9.01. FINANCIAL STATEMENTS AND EXHIBITS" -->
<DIV align="left"><A NAME="001"></A></DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 12pt">ITEM 9.01. FINANCIAL STATEMENTS AND EXHIBITS
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">(c)&nbsp;Exhibits
</DIV>

<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
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<TR valign="bottom">
    <TD width="2%">&nbsp;</TD>
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    <TD width="2%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD>
    <TD width="90%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="left" colspan="3">EXHIBIT</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="left">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="left" colspan="3">NUMBER</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="left">DESCRIPTION</TD>
</TR>

<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">&nbsp;</TD>
    <TD valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">10.3</TD>
    <TD nowrap valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Press Release of the Registrant dated February&nbsp;16, 2006</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>


<P align="center" style="font-size: 10pt">&nbsp;
</DIV>

<!-- PAGEBREAK -->
<P><HR noshade><P>
<H5 align="left" style="page-break-before:always"><A HREF="#toc">Table of Contents</A></H5><P>

<DIV style="font-family: 'Times New Roman',Times,serif">
<!-- link1 "SIGNATURES" -->
<DIV align="left"><A NAME="002"></A></DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 18pt">SIGNATURES
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly
caused this report to be signed on its behalf by the undersigned hereunto duly authorized.
</DIV>

<TABLE width="100%" border="0" cellspacing="0" cellpadding="0" style="font-size: 10pt">
<TR>
    <TD width="48%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="35%">&nbsp;</TD>
    <TD width="15%">&nbsp;</TD>
</TR>
<TR>
    <TD valign="top" align="left">&nbsp;</TD>
    <TD colspan="3" align="left">AAVID THERMAL TECHNOLOGIES, INC.<BR>
(Registrant)<BR>
&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD valign="top">By:&nbsp;&nbsp;</TD>
    <TD colspan="2" style="border-bottom: 1px solid #000000" align="left">/s/ John W. Mitchell
&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD colspan="2" align="left">John W. Mitchell&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD colspan="2" align="left">Vice President and General
Counsel&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR>
    <TD colspan="5">&nbsp;</TD>
</TR>
</TABLE>

<DIV align="left" style="font-size: 10pt; margin-top: 12pt">Date: February&nbsp;16, 2006
</DIV>



<P align="center" style="font-size: 10pt">&nbsp;
</DIV>

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<P><HR noshade><P>
<H5 align="left" style="page-break-before:always"><A HREF="#toc">Table of Contents</A></H5><P>

<DIV style="font-family: 'Times New Roman',Times,serif">
<!-- link1 "EXHIBIT INDEX" -->
<DIV align="left"><A NAME="003"></A></DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 18pt">EXHIBIT INDEX
</DIV>

<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="8%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD>
    <TD width="90%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD nowrap align="left">EXHIBIT NO.</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="left">DESCRIPTION</TD>
</TR>

<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">10.3
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Press Release of the Registrant dated February&nbsp;16, 2006</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>



<P align="center" style="font-size: 10pt">&nbsp;
</DIV>


</BODY>
</HTML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>b59192k2exv99w1.htm
<DESCRIPTION>PRESS RELEASE DATED FEBRUARY 16, 2006
<TEXT>
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<DIV style="font-family: 'Times New Roman',Times,serif">



<DIV align="left" style="font-size: 10pt; margin-top: 12pt"><IMG src="b59192k2b5919201.gif" alt="(AAVID LOGO)">
</DIV>

<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="1%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="20%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="73%">&nbsp;</TD>
</TR>
<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom">
    <TD valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD colspan="3" valign="top" align="left"><B>Corporate Headquarters &#151; One Eagle Square, Suite&nbsp;509, Concord, NH 03301</B></TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top"><B>Telephone (603)&nbsp;224-1117</B>
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>Fax (603)&nbsp;224-6673</B></TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top"><B>Contact: Brian A. Byrne</B></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>


<DIV align="right" style="font-size: 12pt; margin-top: 12pt"><B>FOR IMMEDIATE RELEASE</B>
</DIV>


<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>Aavid Thermal Technologies, Inc. to be Acquired by ANSYS, Inc.</B>
</DIV>


<DIV align="center" style="font-size: 10pt; margin-top: 12pt"><B><I>Company&#146;s Thermal Management Solutions Businesses To Operate Independently</I></B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;CONCORD, N.H., February&nbsp;16, 2006  &#151; Aavid Thermal Technologies, Inc. (the &#147;Company&#148;), a
leading developer of computational fluid dynamics (&#147;CFD&#148;) software and provider of thermal
management solutions for electronics, today announced that it has signed a definitive agreement to
be acquired by ANSYS, Inc. (&#147;Ansys&#148;; Nasdaq: ANSS), a global innovator of simulation software and
technologies designed to optimize product development processes. Prior to the closing of the
transaction, the Company&#146;s thermal management solutions business
Aavid Thermalloy, LLC (&#147;Aavid Thermalloy&#148;) will be
spun-off to the Company&#146;s stockholders, including Willis Stein &#038; Partners (&#147;Willis Stein&#148;), a
leading Chicago-based private investment firm and the Company&#146;s controlling stockholder. Aavid
Thermalloy will continue operating as a standalone business.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Under the terms of the definitive agreement, Ansys will issue 6,000,000 shares of its common
stock and pay approximately $300&nbsp;million, net cash, to the stockholders of the Company and certain
of its affiliates, subject to certain adjustments at closing. The transaction is valued at
approximately $565 million based on the $44.11 per share closing price of Ansys common stock on
February&nbsp;15, 2006. Ansys will use a combination of existing cash and approximately $200&nbsp;million
from committed bank financing to fund the transaction, including repayment and redemption at
closing of the Company&#146;s outstanding senior and subordinated debt.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The operating business to be acquired by Ansys is comprised of Fluent Inc. and its
subsidiaries (collectively, &#147;Fluent&#148;), a global supplier of CFD software technologies and services.
Fluent&#146;s offerings enable engineers and designers to simulate fluid flow,
</DIV>

<P align="center" style="font-size: 10pt">&nbsp;
</DIV>

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<DIV style="font-family: 'Times New Roman',Times,serif">



<DIV align="left" style="font-size: 10pt; margin-top: 6pt">heat and mass transfer, and related phenomena involving turbulent, reacting, and multiphase
flow and are used by blue chip companies, small and medium-sized enterprises and academic
institutions around the world. CFD simulation technology is used in almost every
industry sector and manufactured product. CFD technology represents the fastest growing
application in the Computer Aided Engineering (CAE)&nbsp;industry,
with an 18% growth rate estimated
through 2009 as forecasted by Daratech, Inc.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Following the contemplated spin-off of Aavid Thermalloy, Willis Stein and co-investors will
continue to own Aavid Thermalloy on a standalone basis. Aavid Thermalloy is a global provider
of thermal management solutions that dissipate unwanted heat from microprocessors and industrial
electronics worldwide, including heat sinks, interface materials and attachment accessories, heat
spreaders and liquid cooling and phase change devices that are configured to meet customer-specific
needs. Aavid Thermalloy has an established reputation for high product quality, service excellence
and engineering innovation.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Dr.&nbsp;Bharatan Patel, Chief Executive Officer of the Company and the founder of Fluent, will
continue leading and overseeing Aavid Thermalloy while working closely with Ansys to provide
strategic guidance. Dr.&nbsp;Patel commented, &#147;This transaction brings together Fluent&#146;s and Ansys&#146;s
software products and services to yield one of the most robust, independent engineering simulation
software offerings in the industry. The combination of Fluent&#146;s extensive portfolio of CFD
solutions and Ansys&#146;s broad range of simulation capabilities should create a &#147;best of breed&#148;
company that will be a leader in the innovation of engineering simulation technology and provide
world-class service and support to customers.&#148;
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Dr.&nbsp;Patel continued, &#147;As we look to the future, Aavid Thermalloy will concentrate its efforts
on thermal management innovations to help our customers meet the challenges they face in developing
next generation electronics products. We lead the industry in new development, time to market and
customer service, and we are confident in our ability to execute on our growth plans for Aavid
Thermalloy.&#148;
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;Both Fluent and Ansys have a strong commitment to customers and innovation, and we believe
this transaction provides a terrific opportunity for the combined company
</DIV>

<P align="center" style="font-size: 10pt">&nbsp;
</DIV>

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<H5 align="left" style="page-break-before:always">&nbsp;</H5><P>

<DIV style="font-family: 'Times New Roman',Times,serif">



<DIV align="left" style="font-size: 10pt; margin-top: 6pt">to play a leading role in developing and delivering advanced engineering simulation
technologies,&#148; said Daniel H. Blumenthal, a Managing Partner of Willis Stein. &#147;In addition, with
this transaction, Aavid Thermalloy will now be entirely focused on thermal management products, an
industry with good prospects for growth. We&#146;re looking forward to continuing to work closely with
Bart Patel as Aavid Thermalloy expands into new markets and broadens its product offerings.&#148;
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Upon the closing of the transaction, Mr.&nbsp;Blumenthal will join the Ansys board of directors,
and Dr.&nbsp;Patel will work closely with Ansys&#146;s board of directors and President and CEO to provide
his expertise and knowledge. Additionally, Dr.&nbsp;Ferit Boysan, Fluent&#146;s President, will join Ansys
as General Manager, Fluids Business Unit, reporting directly to Ansys&#146;s President and CEO.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Both companies&#146; boards of directors have approved the transaction. Subject to customary
closing conditions and the expiration or termination of the waiting period under the
Hart-Scott-Rodino Act, the transaction is anticipated to close early
in the second quarter of 2006.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 12pt"><U><B>About Aavid Thermal Technologies, Inc.</B></U>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The Company has been owned by Willis Stein and co-investors since February&nbsp;2000. The Company
is a leading developer and marketer of CFD software and a global provider of thermal management
solutions for electronic products. Each of these businesses has an established reputation for high
product quality, service excellence and engineering innovation in its market. CFD software is used
in complex computer-generated modeling of fluid flows, heat and mass transfer and chemical
reactions. Fluent&#146;s CFD software is used in a variety of industries, including the automotive,
aerospace, chemical processing, power generation, material processing, electronics and HVAC
industries.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Aavid Thermalloy designs, manufactures and distributes on a worldwide basis thermal management
products that dissipate unwanted heat, which can degrade system performance and reliability, from
microprocessors and industrial electronics products. As described, Aavid Thermalloy and related
entities will, prior to consummation of the merger, be spun-off to the Company&#146;s stockholders.
</DIV>

<P align="center" style="font-size: 10pt">&nbsp;
</DIV>

<!-- PAGEBREAK -->
<P><HR noshade><P>
<H5 align="left" style="page-break-before:always">&nbsp;</H5><P>

<DIV style="font-family: 'Times New Roman',Times,serif">

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Overall, the Company services a highly diversified base of national and international
customers including OEMs, distributors, and contract manufacturers through a highly integrated
network of software, development, manufacturing, sales and distribution locations throughout North
America, Europe, and the Far East.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Additional information on Aavid is available on the World Wide Web at <U>http://www.aatt.com</U>.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 12pt"><U><B>About ANSYS, Inc. </B></U>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Ansys, founded in 1970, develops and globally markets engineering simulation software and
technologies widely used by engineers and designers across a broad spectrum of industries. Ansys
focuses on the development of open and flexible solutions that enable users to analyze designs
directly on the desktop, providing a common platform for fast, efficient and cost-conscious product
development, from design concept to final-stage testing and validation. Headquartered in
Canonsburg, Pennsylvania with more than 25 strategic sales locations throughout the world, Ansys
and its subsidiaries employ approximately 600 people and distribute Ansys products through a
network of channel partners in over 40 countries. Visit http://www.Ansys.com for more information.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 12pt"><U><B>About Willis Stein &#038; Partners </B></U>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Willis Stein &#038; Partners is a leading Chicago-based private equity firm that focuses on
investments in profitable, well-managed and growing businesses in the manufacturing, consumer
products and services, business services, media and publishing and health care industries. The
principals of Willis Stein have made investments in more than 50 companies and manage approximately
$3&nbsp;billion in equity capital. For more information, please visit www.willisstein.com.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 12pt"><B>&#147;Safe Harbor&#148; Statement Under the Private Securities Litigation Reform Act of 1995</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The matters discussed in this release contain forward-looking statements (as such term is
defined in the Private Securities Litigation Reform Act of 1995) and information relating to the
Company that is based on the beliefs of the management of the Company,
</DIV>

<P align="center" style="font-size: 10pt">&nbsp;
</DIV>

<!-- PAGEBREAK -->
<P><HR noshade><P>
<H5 align="left" style="page-break-before:always">&nbsp;</H5><P>

<DIV style="font-family: 'Times New Roman',Times,serif">



<DIV align="left" style="font-size: 10pt; margin-top: 6pt">as well as assumptions made by and information currently available to the management of the
Company. The words &#147;estimate,&#148; &#147;project,&#148; &#147;believe,&#148; &#147;anticipate,&#148; &#147;intend,&#148; &#147;expect,&#148; and similar
expressions are intended to identify forward-looking statements. Such statements reflect the
current views of the Company with respect to future events, and are subject to risks and
uncertainties that could cause actual results to differ materially from those contemplated in such
forward-looking statements. The Company does not undertake any obligation to publicly release any
revisions to these forward-looking statements to reflect events or circumstances after the date
hereof or to reflect the occurrence of unanticipated events.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt"><U><B>For more information, contact:</B></U><BR>
For Willis Stein &#038; Partners:<BR>
Joe LoBello<BR>
Brainerd Communicators, Inc<BR>
212-986-6667<BR>
<U>lobello@braincomm.com</U>

</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">For Aavid
Thermal Technologies, Inc.<BR>
Brian A. Byrne, CFO<BR>
(603) 224-9988<BR>
<U>byrne@aavid.com</U>

</DIV>


<P align="center" style="font-size: 10pt">&nbsp;
</DIV>


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