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<H5 align="left" style="page-break-before:always"><A HREF="#toc">Table of Contents</A></H5><P>
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    <TD valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD colspan="3" valign="top" align="left"><B>As filed with the
Securities and Exchange Commission on June&nbsp;14, 2006</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">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top"><B>Registration No.&nbsp;333-</B></TD>
</TR>
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    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
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    <TD align="left" valign="top">&nbsp;</TD>
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<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>UNITED STATES SECURITIES AND EXCHANGE COMMISSION</B>
</DIV>

<DIV align="center" style="font-size: 12pt"><B>WASHINGTON, D.C. 20549<BR>
<BR>
<DIV align="center"><DIV style="font-size: 3pt; margin-top: 16pt; width: 20%; border-top: 1px solid #000000">&nbsp;</DIV></DIV></B>
</DIV>

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


<DIV align="center" style="font-size: 12pt; margin-top: 12pt"><B>REGISTRATION STATEMENT<BR>
UNDER<BR>
THE SECURITIES ACT OF 1933</B>
</DIV>

<DIV align="center" style="font-size: 24pt; margin-top: 12pt"><B>CADENCE DESIGN SYSTEMS, INC.</B>
</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%">
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    <TD width="48%">&nbsp;</TD>
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    <TD width="48%">&nbsp;</TD>
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<TR valign="bottom">
    <TD align="center" valign="top"><B>Delaware</B>
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top"><B>77-0148231</B></TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top">(State or Other Jurisdiction of Incorporation or Organization)
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">(I.R.S. Employer Identification No.)</TD>
</TR>
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</TABLE>
</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 12pt"><B>2655 Seely Avenue, Building 5<BR>
San Jose, California 95134</B><BR>
(Address of Principal Executive Offices) (Zip Code)<BR>
<DIV align="center"><DIV style="font-size: 3pt; margin-top: 16pt; width: 20%; border-top: 1px solid #000000">&nbsp;</DIV></DIV></DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 12pt"><B>Amended and Restated Employee Stock Purchase Plan</B><BR>
(Full Title of the Plan)</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 12pt"><DIV align="center"><DIV style="font-size: 3pt; margin-top: 16pt; width: 20%; border-top: 1px solid #000000">&nbsp;</DIV></DIV></DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 12pt"><B>R.L. Smith McKeithen, Esq.<BR>
Senior Vice President, General Counsel and Secretary<BR>
Cadence Design Systems, Inc.<BR>
2655 Seely Avenue, Building 5, San Jose, California 95134</B><BR>
(Name and Address of Agent For Service)<BR>
<B>(408)&nbsp;943-1234</B><BR>
(Telephone Number, Including Area Code, of Agent For Service)</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 12pt"><DIV align="center"><DIV style="font-size: 3pt; margin-top: 16pt; width: 20%; border-top: 1px solid #000000">&nbsp;</DIV></DIV></DIV>

<DIV align="center" style="font-size: 10pt"><B>Copies to:<br>
Gregory J. Conklin, Esq.<br>
Gibson, Dunn &#038; Crutcher LLP<br>
One Montgomery Street, 31</B><SUP style="font-size: 85%; vertical-align: text-top"><B>st</B></SUP> <B>Floor<br>
San Francisco, California 94104<br>
(415)&nbsp;393-8200<br></B></DIV>


<DIV align="center" style="font-size: 10pt; margin-top: 12pt"><B>CALCULATION OF REGISTRATION FEE</B></DIV>

<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
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    <TD width="10%">&nbsp;</TD>

    <TD width="1%">&nbsp;</TD>
</TR><TR style="font-size: 1px" valign="bottom">
    <TD nowrap align="left" colspan="15" style="border-bottom: 3px double #000000">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">    <TD width="1%">&nbsp;</TD>

    <TD nowrap align="center">Title of Each Class of</TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center">&nbsp;</TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center">&nbsp;</TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center">&nbsp;</TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">    <TD width="1%">&nbsp;</TD>

    <TD nowrap align="center">Securities To Be</TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center">Amount</TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center">Proposed Maximum</TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center">Proposed Maximum</TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center">Amount Of</TD>
    <TD width="1%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">    <TD width="1%">&nbsp;</TD>

    <TD nowrap align="center">Registered</TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center">To Be Registered <SUP style="font-size: 85%; vertical-align: text-top">(1)</SUP></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center">Offering Price Per Share<SUP style="font-size: 85%; vertical-align: text-top">(2)</SUP></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center">Aggregate Offering Price<SUP style="font-size: 85%; vertical-align: text-top">(2)</SUP></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center">Registration Fee<SUP style="font-size: 85%; vertical-align: text-top">(2)</SUP></TD>
    <TD width="1%">&nbsp;</TD>
</TR>

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    <TD width="1%" style="border-top: 1px solid #000000">&nbsp;</TD>
                    <TD style="border-top: 1px solid #000000"><DIV style="margin-left:15px; text-indent:-15px">Common Stock, par
value $0.01 per
share</DIV></TD>
    <TD style="border-right: 2px solid #000000; border-top: 1px solid #000000">&nbsp;</TD>
    <TD style="border-top: 1px solid #000000">&nbsp;</TD>
    <TD align="center" valign="bottom" style="border-top: 1px solid #000000">8,000,000 shares</TD>
    <TD style="border-right: 2px solid #000000; border-top: 1px solid #000000">&nbsp;</TD>
    <TD style="border-top: 1px solid #000000">&nbsp;</TD>
    <TD align="center" valign="bottom" style="border-top: 1px solid #000000">$16.98</TD>
    <TD style="border-right: 2px solid #000000; border-top: 1px solid #000000">&nbsp;</TD>
    <TD style="border-top: 1px solid #000000">&nbsp;</TD>
    <TD align="center" valign="bottom" style="border-top: 1px solid #000000">$135,840,000</TD>
    <TD style="border-right: 2px solid #000000; border-top: 1px solid #000000">&nbsp;</TD>
    <TD style="border-top: 1px solid #000000">&nbsp;</TD>
    <TD align="center" valign="bottom" style="border-top: 1px solid #000000">$14,534.88</TD>
    <TD width="1%" style="border-top: 1px solid #000000">&nbsp;</TD>
</TR>
<TR style="font-size: 1px" valign="bottom">
    <TD nowrap align="left" colspan="15" style="border-top: 3px double #000000">&nbsp;</TD>
</TR>

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</DIV>






<TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt">
<TR>
    <TD width="3%"></TD>
    <TD width="1%"></TD>
    <TD width="96"></TD>
</TR>
<TR>
    <TD style="font-size: 3pt">&nbsp;</TD>
</TR>

<TR valign="top">
    <TD nowrap align="left">(1)</TD>
    <TD>&nbsp;</TD>
    <TD>This Registration Statement shall also cover any additional shares of
Common Stock which become issuable under the Amended and Restated Employee
Stock Purchase Plan by reason of any stock dividend, stock split,
recapitalization or other similar transaction effected without the receipt of
consideration which results in an increase in the number of the outstanding
shares of Cadence Design Systems, Inc. Common Stock.</TD>
</TR>

<TR style="font-size: 3pt"><TD>&nbsp;</TD></TR>

<TR valign="top">
    <TD nowrap align="left">(2)</TD>
    <TD>&nbsp;</TD>
    <TD>Calculated solely for purposes of calculating the amount of the
registration fee under Rule 457(c) of the Securities Act of 1933, as amended.
The price per share and aggregate offering price are based upon the average of
the high and low prices of Cadence Design Systems, Inc. Common Stock on June&nbsp;8,
2006, as reported on the NASDAQ National Market.</TD>
</TR>

</TABLE>



<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>
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</TR>
<TR><TD colspan="9"><A HREF="#000">INCORPORATION OF CERTAIN INFORMATION BY REFERENCE PURSUANT TO GENERAL INSTRUCTION E OF FORM S-8</A></TD></TR>
<TR><TD colspan="9"><A HREF="#001">SIGNATURES</A></TD></TR>
<TR><TD colspan="9"><A HREF="#002">EXHIBIT INDEX</A></TD></TR>
<TR><TD colspan="9"><A HREF="f21276exv5w1.htm">EXHIBIT 5.1</A></TD></TR>
<TR><TD colspan="9"><A HREF="f21276exv23w1.htm">EXHIBIT 23.1</A></TD></TR>
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<DIV align="left"><A NAME="000"></A></DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>INCORPORATION OF CERTAIN INFORMATION BY REFERENCE<BR>
PURSUANT TO GENERAL INSTRUCTION E OF FORM S-8</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;This Registration Statement on Form S-8 is filed by Cadence Design Systems, Inc., a Delaware
corporation (the &#147;Registrant&#148;), relating to 8,000,000 shares of its common stock, par value $0.01
per share (the &#147;Common Stock&#148;), issuable to eligible employees and consultants of the Registrant
and its affiliates under the Registrant&#146;s Amended and Restated Employee Stock Purchase Plan (the
&#147;Plan&#148;). On September&nbsp;30, 1991, June&nbsp;4, 1992, May&nbsp;31, 1994, August&nbsp;29, 1997, December&nbsp;6, 2002 and
June&nbsp;21, 2004, the Registrant filed with the Securities and Exchange Commission (the &#147;Commission&#148;)
Registration Statements on Form S-8 (Registration No.&nbsp;33-43025, No.&nbsp;33-48371, No.&nbsp;33-53913, No.
333-34599, No.&nbsp;333-101693 and No.&nbsp;333-116681, respectively) (together, the &#147;Prior Registration
Statements&#148;) relating to shares of Common Stock issuable to eligible employees and consultants of
the Registrant and its affiliates under the Plan. The Prior Registration Statements are currently
effective. This Registration Statement relates to securities of the same class as those to which
the Prior Registration Statements relate and is submitted in accordance with Section&nbsp;E of the
General Instructions to Form S-8 regarding Registration of Additional Securities.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The Registrant hereby incorporates by reference into this Registration Statement the following
documents previously filed with the Commission:
</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="6%" style="background: transparent">&nbsp;</TD>
    <TD width="3%" nowrap align="left">(a)</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>The Registrant&#146;s Registration Statements on Form S-8 (File Nos.
33-43025, 33-48371, 33-53913, 333-34599, 333-101693 and No.&nbsp;333-116681) filed
on September&nbsp;30, 1991, June&nbsp;4, 1992, May&nbsp;31, 1994, August&nbsp;29, 1997, December&nbsp;6,
2002 and June&nbsp;21, 2004, respectively;</TD>
</TR>

<TR>
    <TD style="font-size: 6pt">&nbsp;</TD>
</TR><TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="6%" style="background: transparent">&nbsp;</TD>
    <TD width="3%" nowrap align="left">(b)</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>The Registrant&#146;s Annual Report on Form 10-K for the fiscal year
ended December&nbsp;31, 2005, including all material incorporated by reference
therein;</TD>
</TR>

<TR>
    <TD style="font-size: 6pt">&nbsp;</TD>
</TR><TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="6%" style="background: transparent">&nbsp;</TD>
    <TD width="3%" nowrap align="left">(c)</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>The Registrant&#146;s Quarterly Report on Form 10-Q for the quarter
ended April&nbsp;1, 2006;</TD>
</TR>

<TR>
    <TD style="font-size: 6pt">&nbsp;</TD>
</TR><TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="6%" style="background: transparent">&nbsp;</TD>
    <TD width="3%" nowrap align="left">(d)</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>The Registrant&#146;s Current Reports on Form 8-K filed with the
Commission on February&nbsp;10, 2006, February&nbsp;13, 2006, March&nbsp;1, 2006 and May&nbsp;16,
2006;</TD>
</TR>

<TR>
    <TD style="font-size: 6pt">&nbsp;</TD>
</TR><TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="6%" style="background: transparent">&nbsp;</TD>
    <TD width="3%" nowrap align="left">(e)</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>The Registrant&#146;s Amended Current Report on Form 8-K/A filed
with the Commission on February&nbsp;2, 2006; and</TD>
</TR>

<TR>
    <TD style="font-size: 6pt">&nbsp;</TD>
</TR><TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="6%" style="background: transparent">&nbsp;</TD>
    <TD width="3%" nowrap align="left">(f)</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>The description of the Registrant&#146;s Common Stock to be offered
hereby contained in the Registrant&#146;s Registration Statement on Form 8-A filed
with the Commission on January&nbsp;12, 2006.</TD>
</TR>

</TABLE>
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;All documents filed pursuant to Section&nbsp;13(a), 13(c), 14 or 15(d) of the Securities Exchange
Act of 1934, as amended (the &#147;1934 Act&#148;), after the date of this Registration Statement and prior
to the filing of a post-effective amendment which indicates that all securities offered hereby have
been sold or which deregisters all securities then remaining unsold, shall be deemed to be
incorporated by reference into this Registration Statement and to be a part hereof from the date of
filing of such documents, provided, however, that the Registrant is not incorporating any
information furnished in any Current Report on Form 8-K.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Any document, and any statement contained in a document, incorporated or deemed to be
incorporated by reference herein shall be deemed to be modified or superseded for purposes of this
Registration Statement to the extent that a statement contained herein, or in any other
subsequently filed document that also is incorporated or deemed to be incorporated by reference
herein, modifies or supersedes such document or statement. Any such document or statement so
modified or superseded shall not be deemed, except as so modified or superseded, to constitute a
part of this Registration Statement. Subject to the foregoing, all information appearing in this
Registration Statement is qualified in its entirety by the information appearing in the documents
incorporated by reference herein.
</DIV>

<P align="center" style="font-size: 10pt">II - 1
</DIV>

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

<DIV align="left" style="font-size: 10pt; margin-top: 12pt"><U>List of Exhibits</U>
</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="12%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="87%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD nowrap align="left" style="border-bottom: 1px solid #000000">Exhibit Number</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="left" style="border-bottom: 1px solid #000000">Exhibit</TD>
</TR>

<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">5.1
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Opinion of Gibson, Dunn &#038; Crutcher LLP.</TD>
</TR>
<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">23.1
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Consent of Independent Registered Public Accounting Firm.</TD>
</TR>
<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">23.2
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Consent of Gibson, Dunn &#038; Crutcher LLP (contained in Exhibit&nbsp;5.1).</TD>
</TR>
<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">24.1
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Power of Attorney (included on the signature pages to this Registration Statement on Form
S-8).</TD>
</TR>
<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">99.1
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Amended and Restated Employee Stock Purchase Plan (incorporated by reference to Appendix&nbsp;C to
the Registrant&#146;s Definitive Proxy Statement filed on April&nbsp;3, 2006).</TD>
</TR>
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</TABLE>
</DIV>



<P align="center" style="font-size: 10pt">II - 2
</DIV>

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



<!-- link1 "SIGNATURES" -->
<DIV align="left"><A NAME="001"></A></DIV>

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


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Pursuant to the requirements of the Securities Act of 1933, the registrant certifies that it
has reasonable grounds to believe that it meets all of the requirements for filing on Form S-8, and
has duly caused this registration statement to be signed on its behalf by the undersigned,
thereunto duly authorized, in the city of San Jose, state of California, on this 8th day of May,
2006.
</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="48%">&nbsp;</TD>
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    <TD width="1%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="40%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="9%">&nbsp;</TD>
</TR>
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<!-- Begin Table Body -->
<TR valign="bottom">
    <TD valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD colspan="3" valign="top" align="left">CADENCE DESIGN SYSTEMS, INC.</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<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>
    <TD>&nbsp;</TD>
    <TD align="left" 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 align="left" valign="top">By:
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">/s/ Michael J. Fister
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Michael J. Fister<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;President, Chief Executive Officer and Director
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</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">

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


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;KNOW ALL PERSONS BY THESE PRESENTS, that each person whose signature appears below constitutes
and appoints Michael J. Fister, William Porter and R.L. Smith McKeithen, and each of them, his true
and lawful attorney-in-fact and agent, with full power of substitution and resubstitution, for him
and in his name, place and stead, in any and all capacities, to sign any and all amendments
(including post-effective amendments) to this Registration Statement, and to file the same, with
all exhibits thereto, and other documents in connection therewith, with the Securities and Exchange
Commission, granting unto said attorneys-in-fact and agents, and each of them, full power and
authority to do and perform each and every act and thing requisite and necessary to be done in
connection therewith, as fully to all intents and purposes as he might or could do in person,
hereby ratifying and confirming all that said attorneys-in-fact and agents, or any of them, or
their or his substitutes or substitute, may lawfully do or cause to be done by virtue hereof.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Pursuant to the requirements of the Securities Act of 1933, this registration statement has
been signed by the following persons in the capacities and on the date indicated.
</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="35%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="40%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="15%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD nowrap align="center"><B>Signature</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>Title</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>Date</B></TD>
</TR>
<TR><TD>&nbsp;</TD></TR>
<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;/s/ Michael J. Fister
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Michael J. Fister
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">President, Chief Executive
Officer and Director (Principal
Executive Officer)
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">May&nbsp;8, 2006</TD>
</TR>
<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>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;/s/ William Porter
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;William Porter
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Executive Vice President and
Chief Financial Officer
(Principal Financial Officer and
Principal Accounting Officer)
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">May&nbsp;9, 2006</TD>
</TR>
<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>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;/s/ Dr.&nbsp;John B. Shoven
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Dr.&nbsp;John B. Shoven
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Chairman of the Board of Directors
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">May&nbsp;9, 2006</TD>
</TR>
<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>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;/s/ Donald L. Lucas
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Donald L. Lucas
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Director
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">May&nbsp;9, 2006</TD>
</TR>
<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>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;/s/ Dr.&nbsp;Alberto Sangiovanni-Vincentelli
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Dr.&nbsp;Alberto Sangiovanni-Vincentelli
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Director
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">May&nbsp;9, 2006</TD>
</TR>
<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>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;/s/ George M. Scalise
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;George M. Scalise
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Director
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">May&nbsp;9, 2006</TD>
</TR>
<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>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;/s/ Roger S. Siboni
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Roger S. Siboni
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Director
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">May&nbsp;9, 2006</TD>
</TR>
<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>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;/s/ John A.C. Swainson
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;John A.C. Swainson
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Director
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">May&nbsp;9, 2006</TD>
</TR>
<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>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;/s/ Lip-Bu Tan
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Lip-Bu Tan
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Director
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">May&nbsp;9, 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 "EXHIBIT INDEX" -->
<DIV align="left"><A NAME="002"></A></DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><U>EXHIBIT INDEX</U>
</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="12%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="87%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD nowrap align="left" style="border-bottom: 1px solid #000000">Exhibit Number</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="left" style="border-bottom: 1px solid #000000">Exhibit</TD>
</TR>

<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">5.1
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Opinion of Gibson, Dunn &#038; Crutcher LLP.</TD>
</TR>
<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">23.1
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Consent of Independent Registered Public Accounting Firm.</TD>
</TR>
<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">23.2
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Consent of Gibson, Dunn &#038; Crutcher LLP (contained in Exhibit&nbsp;5.1).</TD>
</TR>
<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">24.1
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Power of Attorney (included on the signature pages to this Registration Statement on Form
S-8).</TD>
</TR>
<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">99.1
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Amended and Restated Employee Stock Purchase Plan (incorporated by reference to Appendix&nbsp;C to
the Registrant&#146;s Definitive Proxy Statement filed on April&nbsp;3, 2006).</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>



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

</BODY>
</HTML>
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sv8
Table of Contents
As filed with the
Securities and Exchange Commission on June 14, 2006
Registration No. 333-
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
FORM S-8
REGISTRATION STATEMENT
UNDER
THE SECURITIES ACT OF 1933
CADENCE DESIGN SYSTEMS, INC.
(Exact Name of Registrant as Specified in Its Charter)
Delaware
77-0148231
(State or Other Jurisdiction of Incorporation or Organization)
(I.R.S. Employer Identification No.)
2655 Seely Avenue, Building 5
San Jose, California 95134
(Address of Principal Executive Offices) (Zip Code)
Amended and Restated Employee Stock Purchase Plan
(Full Title of the Plan)
R.L. Smith McKeithen, Esq.
Senior Vice President, General Counsel and Secretary
Cadence Design Systems, Inc.
2655 Seely Avenue, Building 5, San Jose, California 95134
(Name and Address of Agent For Service)
(408) 943-1234
(Telephone Number, Including Area Code, of Agent For Service)
Copies to:
Gregory J. Conklin, Esq.
Gibson, Dunn & Crutcher LLP
One Montgomery Street, 31
st
Floor
San Francisco, California 94104
(415) 393-8200
CALCULATION OF REGISTRATION FEE
Title of Each Class of
Securities To Be
Amount
Proposed Maximum
Proposed Maximum
Amount Of
Registered
To Be Registered
(1)
Offering Price Per Share
(2)
Aggregate Offering Price
(2)
Registration Fee
(2)
Common Stock, par
value $0.01 per
share
8,000,000 shares
$16.98
$135,840,000
$14,534.88
(1)
This Registration Statement shall also cover any additional shares of
Common Stock which become issuable under the Amended and Restated Employee
Stock Purchase Plan by reason of any stock dividend, stock split,
recapitalization or other similar transaction effected without the receipt of
consideration which results in an increase in the number of the outstanding
shares of Cadence Design Systems, Inc. Common Stock.
(2)
Calculated solely for purposes of calculating the amount of the
registration fee under Rule 457(c) of the Securities Act of 1933, as amended.
The price per share and aggregate offering price are based upon the average of
the high and low prices of Cadence Design Systems, Inc. Common Stock on June 8,
2006, as reported on the NASDAQ National Market.
TABLE OF CONTENTS
INCORPORATION OF CERTAIN INFORMATION BY REFERENCE PURSUANT TO GENERAL INSTRUCTION E OF FORM S-8
SIGNATURES
EXHIBIT INDEX
EXHIBIT 5.1
EXHIBIT 23.1
Table of Contents
INCORPORATION OF CERTAIN INFORMATION BY REFERENCE
PURSUANT TO GENERAL INSTRUCTION E OF FORM S-8
This Registration Statement on Form S-8 is filed by Cadence Design Systems, Inc., a Delaware
corporation (the "Registrant"), relating to 8,000,000 shares of its common stock, par value $0.01
per share (the "Common Stock"), issuable to eligible employees and consultants of the Registrant
and its affiliates under the Registrant's Amended and Restated Employee Stock Purchase Plan (the
"Plan"). On September 30, 1991, June 4, 1992, May 31, 1994, August 29, 1997, December 6, 2002 and
June 21, 2004, the Registrant filed with the Securities and Exchange Commission (the "Commission")
Registration Statements on Form S-8 (Registration No. 33-43025, No. 33-48371, No. 33-53913, No.
333-34599, No. 333-101693 and No. 333-116681, respectively) (together, the "Prior Registration
Statements") relating to shares of Common Stock issuable to eligible employees and consultants of
the Registrant and its affiliates under the Plan. The Prior Registration Statements are currently
effective. This Registration Statement relates to securities of the same class as those to which
the Prior Registration Statements relate and is submitted in accordance with Section E of the
General Instructions to Form S-8 regarding Registration of Additional Securities.
The Registrant hereby incorporates by reference into this Registration Statement the following
documents previously filed with the Commission:
(a)
The Registrant's Registration Statements on Form S-8 (File Nos.
33-43025, 33-48371, 33-53913, 333-34599, 333-101693 and No. 333-116681) filed
on September 30, 1991, June 4, 1992, May 31, 1994, August 29, 1997, December 6,
2002 and June 21, 2004, respectively;
(b)
The Registrant's Annual Report on Form 10-K for the fiscal year
ended December 31, 2005, including all material incorporated by reference
therein;
(c)
The Registrant's Quarterly Report on Form 10-Q for the quarter
ended April 1, 2006;
(d)
The Registrant's Current Reports on Form 8-K filed with the
Commission on February 10, 2006, February 13, 2006, March 1, 2006 and May 16,
2006;
(e)
The Registrant's Amended Current Report on Form 8-K/A filed
with the Commission on February 2, 2006; and
(f)
The description of the Registrant's Common Stock to be offered
hereby contained in the Registrant's Registration Statement on Form 8-A filed
with the Commission on January 12, 2006.
All documents filed pursuant to Section 13(a), 13(c), 14 or 15(d) of the Securities Exchange
Act of 1934, as amended (the "1934 Act"), after the date of this Registration Statement and prior
to the filing of a post-effective amendment which indicates that all securities offered hereby have
been sold or which deregisters all securities then remaining unsold, shall be deemed to be
incorporated by reference into this Registration Statement and to be a part hereof from the date of
filing of such documents, provided, however, that the Registrant is not incorporating any
information furnished in any Current Report on Form 8-K.
Any document, and any statement contained in a document, incorporated or deemed to be
incorporated by reference herein shall be deemed to be modified or superseded for purposes of this
Registration Statement to the extent that a statement contained herein, or in any other
subsequently filed document that also is incorporated or deemed to be incorporated by reference
herein, modifies or supersedes such document or statement. Any such document or statement so
modified or superseded shall not be deemed, except as so modified or superseded, to constitute a
part of this Registration Statement. Subject to the foregoing, all information appearing in this
Registration Statement is qualified in its entirety by the information appearing in the documents
incorporated by reference herein.
II - 1
Table of Contents
List of Exhibits
Exhibit Number
Exhibit
5.1
Opinion of Gibson, Dunn & Crutcher LLP.
23.1
Consent of Independent Registered Public Accounting Firm.
23.2
Consent of Gibson, Dunn & Crutcher LLP (contained in Exhibit 5.1).
24.1
Power of Attorney (included on the signature pages to this Registration Statement on Form
S-8).
99.1
Amended and Restated Employee Stock Purchase Plan (incorporated by reference to Appendix C to
the Registrant's Definitive Proxy Statement filed on April 3, 2006).
II - 2
Table of Contents
SIGNATURES
Pursuant to the requirements of the Securities Act of 1933, the registrant certifies that it
has reasonable grounds to believe that it meets all of the requirements for filing on Form S-8, and
has duly caused this registration statement to be signed on its behalf by the undersigned,
thereunto duly authorized, in the city of San Jose, state of California, on this 8th day of May,
2006.
CADENCE DESIGN SYSTEMS, INC.
By:
/s/ Michael J. Fister
Michael J. Fister
President, Chief Executive Officer and Director
Table of Contents
POWER OF ATTORNEY
KNOW ALL PERSONS BY THESE PRESENTS, that each person whose signature appears below constitutes
and appoints Michael J. Fister, William Porter and R.L. Smith McKeithen, and each of them, his true
and lawful attorney-in-fact and agent, with full power of substitution and resubstitution, for him
and in his name, place and stead, in any and all capacities, to sign any and all amendments
(including post-effective amendments) to this Registration Statement, and to file the same, with
all exhibits thereto, and other documents in connection therewith, with the Securities and Exchange
Commission, granting unto said attorneys-in-fact and agents, and each of them, full power and
authority to do and perform each and every act and thing requisite and necessary to be done in
connection therewith, as fully to all intents and purposes as he might or could do in person,
hereby ratifying and confirming all that said attorneys-in-fact and agents, or any of them, or
their or his substitutes or substitute, may lawfully do or cause to be done by virtue hereof.
Pursuant to the requirements of the Securities Act of 1933, this registration statement has
been signed by the following persons in the capacities and on the date indicated.
Signature
Title
Date
/s/ Michael J. Fister
Michael J. Fister
President, Chief Executive
Officer and Director (Principal
Executive Officer)
May 8, 2006
/s/ William Porter
William Porter
Executive Vice President and
Chief Financial Officer
(Principal Financial Officer and
Principal Accounting Officer)
May 9, 2006
/s/ Dr. John B. Shoven
Dr. John B. Shoven
Chairman of the Board of Directors
May 9, 2006
/s/ Donald L. Lucas
Donald L. Lucas
Director
May 9, 2006
/s/ Dr. Alberto Sangiovanni-Vincentelli
Dr. Alberto Sangiovanni-Vincentelli
Director
May 9, 2006
/s/ George M. Scalise
George M. Scalise
Director
May 9, 2006
/s/ Roger S. Siboni
Roger S. Siboni
Director
May 9, 2006
/s/ John A.C. Swainson
John A.C. Swainson
Director
May 9, 2006
/s/ Lip-Bu Tan
Lip-Bu Tan
Director
May 9, 2006
Table of Contents
EXHIBIT INDEX
Exhibit Number
Exhibit
5.1
Opinion of Gibson, Dunn & Crutcher LLP.
23.1
Consent of Independent Registered Public Accounting Firm.
23.2
Consent of Gibson, Dunn & Crutcher LLP (contained in Exhibit 5.1).
24.1
Power of Attorney (included on the signature pages to this Registration Statement on Form
S-8).
99.1
Amended and Restated Employee Stock Purchase Plan (incorporated by reference to Appendix C to
the Registrant's Definitive Proxy Statement filed on April 3, 2006).