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<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: 12pt"><B>As filed with the Securities and Exchange Commission on December&nbsp;21, 2007</B></DIV>


<DIV align="right" style="font-size: 10pt; margin-top: 12pt"><B>Registration No.&nbsp;333-</B><U>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</U>
</DIV>


<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<BR>
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 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>DASSAULT SYST&#200;MES S.A.</B>
</DIV>

<DIV align="center" style="font-size: 10pt"><B>(Exact Name of Registrant as Specified in Its Charter)</B></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"><B>France<BR>
(State or Other Jurisdiction <BR>
of Incorporation or Organization)</B>
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top"><B>Not Applicable<BR>
(I.R.S. Employer Identification No.)</B></TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 12pt"><B>9, Quai Marcel Dassault, B.P. 310<BR>
92150 Suresnes, France<BR>
(33-1) 40-99-40-99<BR>
(Address of Principal Executive Offices) (Zip Code)</B></DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 12pt"><B>Dassault Syst&#232;mes 2006 Stock Options Plan<BR>
(Full Title of the Plan)</B></DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 12pt"><B>Dassault Syst&#232;mes Americas Corporation<BR>
900 Chelmsford Street Tower 2 Floor 5<BR>
Lowell, Massachusetts 01851<BR>
(978)&nbsp;442 -2500<BR>
(Name, Address and Telephone Number of Agent For Service)</B></DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 12pt"><B>Copies to:<BR>
Christopher M. Bartoli, Esq.<BR>
Baker &#038; McKenzie LLP<BR>
130 East Randolph Drive<BR>
Chicago, Illinois 60601<BR>
Telephone: (312)&nbsp;861-8000<BR>
Facsimile: (312)&nbsp;861-2899</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%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="1%">&nbsp;</TD>
    <TD width="35%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD><!-- VRule -->
    <TD width="2%">&nbsp;</TD>
    <TD width="12%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD><!-- VRule -->
    <TD width="2%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD><!-- VRule -->
    <TD width="2%">&nbsp;</TD>
    <TD width="22%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD><!-- VRule -->
    <TD width="2%">&nbsp;</TD>
    <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>&nbsp;</TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>Proposed</B></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"><B>Title Of Each Class</B></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>Proposed</B></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>Maximum</B></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"><B>Of Securities To Be</B></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>Amount To Be</B></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>Maximum Offering</B></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>Aggregate Offering</B></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>Amount Of</B></TD>
    <TD width="1%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">    <TD width="1%">&nbsp;</TD>

    <TD nowrap align="center"><B>Registered</B></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>Registered(1)</B></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>Price Per Share(2)</B></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>Price(2)</B></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>Registration Fee(2)</B></TD>
    <TD width="1%">&nbsp;</TD>
</TR>

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<TR valign="bottom">
    <TD width="1%" style="border-top: 2px solid #000000">&nbsp;</TD>
                    <TD style="border-top: 2px solid #000000"><DIV style="margin-left:15px; text-indent:-15px">Common Stock,
nominal value 1
euro per share</DIV></TD>
    <TD style="border-right: 2px solid #000000; border-top: 2px solid #000000">&nbsp;</TD>
    <TD style="border-top: 2px solid #000000">&nbsp;</TD>
    <TD align="center" valign="bottom" style="border-top: 2px solid #000000">648,700</TD>
    <TD style="border-right: 2px solid #000000; border-top: 2px solid #000000">&nbsp;</TD>
    <TD style="border-top: 2px solid #000000">&nbsp;</TD>
    <TD align="center" valign="bottom" style="border-top: 2px solid #000000">(2)</TD>
    <TD style="border-right: 2px solid #000000; border-top: 2px solid #000000">&nbsp;</TD>
    <TD style="border-top: 2px solid #000000">&nbsp;</TD>
    <TD align="center" valign="bottom" style="border-top: 2px solid #000000">$37,589,414</TD>
    <TD style="border-right: 2px solid #000000; border-top: 2px solid #000000">&nbsp;</TD>
    <TD style="border-top: 2px solid #000000">&nbsp;</TD>
    <TD align="center" valign="bottom" style="border-top: 2px solid #000000">$1,154</TD>
    <TD width="1%" style="border-top: 2px 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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</TABLE>
</DIV>


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

<TR valign="top">
    <TD nowrap align="left">(1)</TD>
    <TD>&nbsp;</TD>
    <TD>In addition to the shares set forth in the table, pursuant to Rule&nbsp;416 under the Securities
Act of 1933, as amended (the &#147;Securities Act&#148;), the number of shares registered includes an
indeterminable number of shares of common stock issuable under the Dassault Syst&#232;mes 2006
Stock Options Plan, as this amount may be adjusted as a result of stock splits, stock
dividends or similar transactions and antidilution provisions.</TD>
</TR>

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

<TR valign="top">
    <TD nowrap align="left">(2)</TD>
    <TD>&nbsp;</TD>
    <TD>Estimated solely for the purpose of calculating the registration fee pursuant to Rule 457(h)
and Rule 457(c) under the Securities Act, based on the exercise price of $59.18 per share for
215,500 options awarded under the Plan and based on the exercise price of $64.07 per share for
133,200 options awarded under the Plan, and $54.34 per share for 300,000 shares reserved for
future awards under the Plan, estimated based on the average of the high and low prices per
share of the common stock on the NASDAQ Global Select Market on December&nbsp;17, 2007.</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"><!-- Folio -->&nbsp;<!-- /Folio -->
</DIV>

<!-- PAGEBREAK -->
<P><HR noshade><P>

<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 colspan="9"><A HREF="#000">PART I</A></TD></TR>
<TR><TD colspan="9"><A HREF="#001">PART II INFORMATION REQUIRED IN THE REGISTRATION STATEMENT</A></TD></TR>
<TR><TD></TD><TD colspan="8"><A HREF="#002">ITEM 3. INCORPORATION OF DOCUMENTS BY REFERENCE</A></TD></TR>
<TR><TD></TD><TD colspan="8"><A HREF="#003">ITEM 4. DESCRIPTION OF SECURITIES</A></TD></TR>
<TR><TD></TD><TD colspan="8"><A HREF="#004">ITEM 5. INTERESTS OF NAMED EXPERTS AND COUNSEL</A></TD></TR>
<TR><TD></TD><TD colspan="8"><A HREF="#005">ITEM 6. INDEMNIFICATION OF DIRECTORS AND OFFICERS</A></TD></TR>
<TR><TD></TD><TD colspan="8"><A HREF="#006">ITEM 7. EXEMPTION FROM REGISTRATION CLAIMED</A></TD></TR>
<TR><TD></TD><TD colspan="8"><A HREF="#007">ITEM 8. EXHIBITS</A></TD></TR>
<TR><TD></TD><TD colspan="8"><A HREF="#008">ITEM 9. UNDERTAKINGS</A></TD></TR>
<TR><TD colspan="9"><A HREF="#009">SIGNATURES</A></TD></TR>
<TR><TD colspan="9"><A HREF="#010">EXHIBIT INDEX</A></TD></TR>
<TR><TD colspan="9"><A HREF="c22460exv5.htm">Opinion of Baker & McKenzie</A></TD></TR>
<TR><TD colspan="9"><A HREF="c22460exv10.htm">2006 Stock Options Plan</A></TD></TR>
<TR><TD colspan="9"><A HREF="c22460exv23w1.htm">Consent of PricewaterhouseCoopers Audit</A></TD></TR>
<TR><TD colspan="9"><A HREF="c22460exv23w2.htm">Consent of Deloitte & Associes</A></TD></TR>
<TR><TD colspan="9"><A HREF="c22460exv23w3.htm">Consent of Ernst & Young Audit</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>




<!-- link1 "PART I" -->
<DIV align="left"><A NAME="000"></A></DIV>

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


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The document or documents containing the information specified in Part&nbsp;I are not required to
be filed with the Securities and Exchange Commission as part of this Registration Statement.
</DIV>
<!-- link1 "PART II INFORMATION REQUIRED IN THE REGISTRATION STATEMENT" -->
<DIV align="left"><A NAME="001"></A></DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 18pt">PART II<BR>
INFORMATION REQUIRED IN THE REGISTRATION STATEMENT
</DIV>

<!-- link2 "ITEM 3. INCORPORATION OF DOCUMENTS BY REFERENCE" -->
<DIV align="left"><A NAME="002"></A></DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 12pt">ITEM 3. INCORPORATION OF DOCUMENTS BY REFERENCE.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The following documents filed with the Securities and Exchange Commission by Dassault Syst&#232;mes
S.A. (the &#147;Company&#148;) are hereby incorporated in this Registration Statement by reference:
</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="2%" style="background: transparent">&nbsp;</TD>
    <TD width="3%" nowrap align="left">(a)</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>Annual report on Form 20-F for the year ended December&nbsp;31, 2006, filed on May
29, 2007 (File No.&nbsp;000-28578);</TD>
</TR>

<TR>
    <TD style="font-size: 6pt">&nbsp;</TD>
</TR><TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="2%" style="background: transparent">&nbsp;</TD>
    <TD width="3%" nowrap align="left">(b)</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>Interim reports on Form 6-K for the quarters ended March&nbsp;31, 2007, June&nbsp;30,
2007, and September&nbsp;30, 2007, respectively (File No.&nbsp;000-28578);</TD>
</TR>

<TR>
    <TD style="font-size: 6pt">&nbsp;</TD>
</TR><TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="2%" style="background: transparent">&nbsp;</TD>
    <TD width="3%" nowrap align="left">(c)</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>The description of the Company&#146;s common stock contained in its Registration
Statement on Form 8-A (File No.&nbsp;000-28578), except to the extent that such description
has been superseded by the descriptions in &#147;Item&nbsp;9A. Listing Details,&#148; &#147;Item&nbsp;10B.
Memorandum and Articles of Association&#148; and &#147;Item&nbsp;10D. Exchange Controls&#148; of the Form
20-F.</TD>
</TR>

</TABLE>
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;All documents filed by the Company pursuant to Sections&nbsp;13(a), 13(c), 14 and 15(d) of the
Securities Exchange Act of 1934, as amended, after the date of this Registration Statement and prior
to the filing of a post-effective amendment to this Registration Statement which indicates that all
securities offered have been sold or which deregisters all securities then remaining unsold shall
be deemed to be incorporated by reference in this Registration Statement and to be a part hereof
from the date of filing such documents. 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 which also is or is deemed to be incorporated by reference herein
modifies or supersedes such statement. Any such statement so modified or superseded shall not be
deemed, except as so modified or superseded, to constitute a part of this Registration Statement.
</DIV>
<!-- link2 "ITEM 4. DESCRIPTION OF SECURITIES" -->
<DIV align="left"><A NAME="003"></A></DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 12pt">ITEM 4. DESCRIPTION OF SECURITIES.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Not required.
</DIV>
<!-- link2 "ITEM 5. INTERESTS OF NAMED EXPERTS AND COUNSEL" -->
<DIV align="left"><A NAME="004"></A></DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 12pt">ITEM 5. INTERESTS OF NAMED EXPERTS AND COUNSEL.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Not applicable.
</DIV>
<!-- link2 "ITEM 6. INDEMNIFICATION OF DIRECTORS AND OFFICERS" -->
<DIV align="left"><A NAME="005"></A></DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 12pt">ITEM 6. INDEMNIFICATION OF DIRECTORS AND OFFICERS.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The Company currently maintains liability insurance for its directors and officers, including
insurance against liabilities under the Securities Act of 1933, as amended, subject to the terms
and limitations of the policy.
</DIV>
<!-- link2 "ITEM 7. EXEMPTION FROM REGISTRATION CLAIMED" -->
<DIV align="left"><A NAME="006"></A></DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 12pt">ITEM 7. EXEMPTION FROM REGISTRATION CLAIMED.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Not applicable.
</DIV>


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

<!-- link2 "ITEM 8. EXHIBITS" -->
<DIV align="left"><A NAME="007"></A></DIV>
<DIV align="left"><A NAME="007"></A></DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 12pt">ITEM 8. EXHIBITS.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The following exhibits are filed as part of this Registration Statement:
</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="2%" style="background: transparent">&nbsp;</TD>
    <TD width="3%" nowrap align="left">4.1</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>By-laws (&#147;statuts&#148;) of the Company (incorporated by reference to Exhibit&nbsp;1.1 to
the Company&#146;s Annual Report on Form 20-F for the fiscal year ended December&nbsp;31, 2006,
filed on May&nbsp;29, 2007 (File No.&nbsp;000-28578)).</TD>
</TR>

<TR>
    <TD style="font-size: 6pt">&nbsp;</TD>
</TR><TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="2%" style="background: transparent">&nbsp;</TD>
    <TD width="3%" nowrap align="left">5</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>Opinion of Baker &#038; McKenzie.</TD>
</TR>

<TR>
    <TD style="font-size: 6pt">&nbsp;</TD>
</TR><TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="2%" style="background: transparent">&nbsp;</TD>
    <TD width="3%" nowrap align="left">10</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>Dassault Syst&#232;mes 2006 Stock Options Plan.</TD>
</TR>

<TR>
    <TD style="font-size: 6pt">&nbsp;</TD>
</TR><TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="2%" style="background: transparent">&nbsp;</TD>
    <TD width="3%" nowrap align="left">23.1</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>Consent of PricewaterhouseCoopers Audit.</TD>
</TR>

<TR>
    <TD style="font-size: 6pt">&nbsp;</TD>
</TR><TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="2%" style="background: transparent">&nbsp;</TD>
    <TD width="3%" nowrap align="left">23.2</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>Consent of Deloitte &#038; Associ&#233;s.</TD>
</TR>

<TR>
    <TD style="font-size: 6pt">&nbsp;</TD>
</TR><TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="2%" style="background: transparent">&nbsp;</TD>
    <TD width="3%" nowrap align="left">23.3</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>Consent of Ernst &#038; Young Audit.</TD>
</TR>

<TR>
    <TD style="font-size: 6pt">&nbsp;</TD>
</TR><TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="2%" style="background: transparent">&nbsp;</TD>
    <TD width="3%" nowrap align="left">23.4</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>Consent of Baker &#038; McKenzie (included as part of Exhibit&nbsp;5).</TD>
</TR>

<TR>
    <TD style="font-size: 6pt">&nbsp;</TD>
</TR><TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="2%" style="background: transparent">&nbsp;</TD>
    <TD width="3%" nowrap align="left">24</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>Power of Attorney (included on the signature page to this Registration
Statement).</TD>
</TR>

</TABLE>
</DIV>
<!-- link2 "ITEM 9. UNDERTAKINGS" -->
<DIV align="left"><A NAME="008"></A></DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 12pt">ITEM 9. UNDERTAKINGS.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a)&nbsp;The undersigned Registrant hereby undertakes:
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(1)&nbsp;To file, during any period in which offers or sales are being made, a post-effective
amendment to this Registration Statement:
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(i)&nbsp;To include any prospectus required by Section&nbsp;10(a)(3) of the Securities Act of 1933;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(ii)&nbsp;To reflect in the prospectus any facts or events arising after the effective date of the
Registration Statement (or the most recent post-effective amendment thereof) which, individually or
in the aggregate, represent a fundamental change in the information set forth in the Registration
Statement. Notwithstanding the foregoing, any increase or decrease in volume of securities offered
(if the total dollar value of securities offered would not exceed that which was registered) and
any deviation from the low or high end of the estimated maximum offering range may be reflected in
the form of prospectus filed with the Commission pursuant to Rule 424(b) if, in the aggregate, the
changes in volume and price represent no more than a 20&nbsp;percent change in the maximum aggregate
offering price set forth in the &#147;Calculation of Registration Fee&#148; table in the effective
Registration Statement;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(iii)&nbsp;To include any material information with respect to the plan of distribution not
previously disclosed in the Registration Statement or any material change to such information in
the Registration Statement;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt"><I>provided, however</I>, that paragraphs (a)(1)(i) and (a)(1)(ii) do not apply if the Registration
Statement is on Form S-8, and the information required to be included in a post-effective amendment
by those paragraphs is contained in reports filed with or furnished to the Commission by the
Registrant pursuant to Section&nbsp;13 or Section 15(d) of the Securities Exchange Act of 1934 that are
incorporated by reference in this Registration Statement.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(2)&nbsp;That, for the purpose of determining any liability under the Securities Act of 1933, each
such post-effective amendment shall be deemed to be a new registration statement relating to the
securities offered therein, and the offering of such securities at that time shall be deemed to be
the initial <I>bona fide </I>offering thereof.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(3)&nbsp;To remove from registration by means of post-effective amendment any of the securities
being registered which remain unsold at the termination of the offering.
</DIV>


<P align="center" style="font-size: 10pt"><!-- Folio -->3<!-- /Folio -->
</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">




<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b)&nbsp;The undersigned Registrant hereby undertakes that, for purposes of determining any
liability under the Securities Act of 1933, each filing of the Registrant&#146;s annual report pursuant
to Section 13(a) or Section 15(d) of the Securities Exchange Act of 1934 (and, where applicable,
each filing of an employee benefit plan&#146;s annual report pursuant to Section 15(d) of the Securities
Exchange Act of 1934) that is incorporated by reference in the Registration Statement shall be
deemed to be a new registration statement relating to the securities offered therein, and the
offering of such securities at that time shall be deemed to be the initial <I>bona fide </I>offering
thereof.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(c)&nbsp;Insofar as indemnification for liabilities arising under the Securities Act of 1933 may be
permitted to directors, officers and controlling persons of the Registrant pursuant to the
foregoing provisions, or otherwise, the Registrant has been advised that in the opinion of the
Securities and Exchange Commission such indemnification is against public policy as expressed in
the Act and is, therefore, unenforceable. In the event that a claim for indemnification against
such liabilities (other than the payment by the Registrant of expenses incurred or paid by a
director, officer, or controlling person of the Registrant in the successful defense of any action,
suit or proceeding) is asserted by such director, officer or controlling person in connection with
the securities being registered, the Registrant will, unless in the opinion of its counsel the
matter has been settled by controlling precedent, submit to a court of appropriate jurisdiction the
question whether such indemnification by it is against public policy as expressed in the Act and
will be governed by the final adjudication of such issue.
</DIV>

<P align="center" style="font-size: 10pt"><!-- Folio -->4<!-- /Folio -->
</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="009"></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 Act, Dassault Syst&#232;mes S.A. 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 Suresnes, France, on the 21st day of December, 2007.
</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="45%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="35%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="15%">&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">DASSAULT SYST&#200;MES S.A.</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:<BR>
Name:
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">/s/ Bernard Charl&#232;s
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
Bernard Charl&#232;s
</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">Title:
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">President and Chief Executive Officer</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>


<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 MEN BY THESE PRESENTS, that each person whose signature appears below hereby
constitutes and appoints Thibault de Tersant and Val&#233;rie Raoul-Desprez, and each of them, his or
her true and lawful attorneys-in-fact and agents, with full power of substitution and
resubstitution, for him or her and in his or her name, place and stead, in any and all capacities,
in connection with this Registration Statement, to sign any and all amendments or supplements to
the Registration Statement, including post-effective amendments, and to file the same, with all
exhibits thereto, and other documents in connection therewith, with the Securities and Exchange
Commission, and does hereby grant 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 and about the premises, as fully to all intents and purposes as he or she 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, 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 below by the following persons in the capacities
indicated on the 21st day of December,
2007.
</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="40%">&nbsp;</TD>
    <TD width="10%">&nbsp;</TD>
    <TD width="50%">&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>
</TR>

<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px"></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">/s/ Bernard Charl&#232;s
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">
President, Chief Executive Officer and Director

</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px"><DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
Bernard Charl&#232;s
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">(Principal Executive Officer)</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">/s/ Laurent Dassault
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
Laurent Dassault
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Director&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>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">/s/ Paul Brown
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
Paul Brown
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Director&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>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">/s/ Jean-Pierre Chahid-Nourai
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
Jean-Pierre Chahid-Nourai
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Director&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>
</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">Chairman of the Board; Director</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px"><DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
Charles Edelstenne
</DIV></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>
</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">Director</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px"><DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
Andr&#233; Kudelski
</DIV></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>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">/s/ Bernard Dufau
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
Bernard Dufau
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Director&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>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">/s/ Arnoud De Meyer
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
Arnoud De Meyer
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Director&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>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">/s/ Thibault de Tersant
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
Thibault de Tersant
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Executive Vice President and Chief Financial Officer&nbsp;<BR>
(Principal
Financial Officer)</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>


<P align="center" style="font-size: 10pt"><!-- Folio -->5<!-- /Folio -->
</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">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="40%">&nbsp;</TD>
    <TD width="10%">&nbsp;</TD>
    <TD width="50%">&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>
</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">/s/ Val&#233;rie Raoul-Desprez
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
Val&#233;rie Raoul-Desprez
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Controller&nbsp;<BR>
(Principal
Accounting Officer)</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>


<DIV align="center" style="font-size: 10pt; margin-top: 18pt">AUTHORIZED U.S. REPRESENTATIVE
</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, as amended, this Registration
Statement has been signed below on December 21, 2007 by the undersigned as the duly authorized
representative of Dassault Syst&#232;mes in the United States.
</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">&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD colspan="3" style="border-bottom: 1px solid #000000" align="left">                            /s/ Deborah Dean
&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD colspan="3" align="left">Deborah Dean&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD colspan="3" align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>

</TABLE>

<P align="center" style="font-size: 10pt"><!-- Folio -->6<!-- /Folio -->
</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">


<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>

</TABLE>
<!-- link1 "EXHIBIT INDEX" -->
<DIV align="left"><A NAME="010"></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="7%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD>
    <TD width="91%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD nowrap align="left" style="border-bottom: 1px solid #000000">Exhibit No.</TD>
    <TD style="border-bottom: 1px solid #000000">&nbsp;</TD>
    <TD nowrap align="left" style="border-bottom: 1px solid #000000">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">4.1
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">By-laws of the Company (incorporated by reference to Exhibit&nbsp;1.1 to the Company&#146;s
Annual Report on Form&nbsp;20-F for the fiscal year ended December&nbsp;31, 2006, filed on
May&nbsp;29, 2007 (File No.&nbsp;000-28578)).</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">5
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Opinion of Baker &#038; McKenzie.</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">10
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Dassault Syst&#232;mes 2006 Stock Options Plan.</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 PricewaterhouseCoopers Audit.</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 Deloitte &#038; Associ&#233;s.</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">23.3
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Consent of Ernst &#038; Young Audit.</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">23.4
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Consent of Baker &#038; McKenzie (included as part of Exhibit&nbsp;5).</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
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Power of Attorney (included on the signature page to this Registration Statement).</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>


<P align="center" style="font-size: 10pt"><!-- Folio -->7<!-- /Folio -->
</DIV>

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sv8
Table of Contents
As filed with the Securities and Exchange Commission on December 21, 2007
Registration No. 333-
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM S-8
REGISTRATION STATEMENT
UNDER
THE SECURITIES ACT OF 1933
DASSAULT SYSTÈMES S.A.
(Exact Name of Registrant as Specified in Its Charter)
France
(State or Other Jurisdiction
of Incorporation or Organization)
Not Applicable
(I.R.S. Employer Identification No.)
9, Quai Marcel Dassault, B.P. 310
92150 Suresnes, France
(33-1) 40-99-40-99
(Address of Principal Executive Offices) (Zip Code)
Dassault Systèmes 2006 Stock Options Plan
(Full Title of the Plan)
Dassault Systèmes Americas Corporation
900 Chelmsford Street Tower 2 Floor 5
Lowell, Massachusetts 01851
(978) 442 -2500
(Name, Address and Telephone Number of Agent For Service)
Copies to:
Christopher M. Bartoli, Esq.
Baker & McKenzie LLP
130 East Randolph Drive
Chicago, Illinois 60601
Telephone: (312) 861-8000
Facsimile: (312) 861-2899
CALCULATION OF REGISTRATION FEE
Proposed
Title Of Each Class
Proposed
Maximum
Of Securities To Be
Amount To Be
Maximum Offering
Aggregate Offering
Amount Of
Registered
Registered(1)
Price Per Share(2)
Price(2)
Registration Fee(2)
Common Stock,
nominal value 1
euro per share
648,700
(2)
$37,589,414
$1,154
(1)
In addition to the shares set forth in the table, pursuant to Rule 416 under the Securities
Act of 1933, as amended (the "Securities Act"), the number of shares registered includes an
indeterminable number of shares of common stock issuable under the Dassault Systèmes 2006
Stock Options Plan, as this amount may be adjusted as a result of stock splits, stock
dividends or similar transactions and antidilution provisions.
(2)
Estimated solely for the purpose of calculating the registration fee pursuant to Rule 457(h)
and Rule 457(c) under the Securities Act, based on the exercise price of $59.18 per share for
215,500 options awarded under the Plan and based on the exercise price of $64.07 per share for
133,200 options awarded under the Plan, and $54.34 per share for 300,000 shares reserved for
future awards under the Plan, estimated based on the average of the high and low prices per
share of the common stock on the NASDAQ Global Select Market on December 17, 2007.
TABLE OF CONTENTS
PART I
PART II INFORMATION REQUIRED IN THE REGISTRATION STATEMENT
ITEM 3. INCORPORATION OF DOCUMENTS BY REFERENCE
ITEM 4. DESCRIPTION OF SECURITIES
ITEM 5. INTERESTS OF NAMED EXPERTS AND COUNSEL
ITEM 6. INDEMNIFICATION OF DIRECTORS AND OFFICERS
ITEM 7. EXEMPTION FROM REGISTRATION CLAIMED
ITEM 8. EXHIBITS
ITEM 9. UNDERTAKINGS
SIGNATURES
EXHIBIT INDEX
Opinion of Baker & McKenzie
2006 Stock Options Plan
Consent of PricewaterhouseCoopers Audit
Consent of Deloitte & Associes
Consent of Ernst & Young Audit
Table of Contents
PART I
The document or documents containing the information specified in Part I are not required to
be filed with the Securities and Exchange Commission as part of this Registration Statement.
PART II
INFORMATION REQUIRED IN THE REGISTRATION STATEMENT
ITEM 3. INCORPORATION OF DOCUMENTS BY REFERENCE.
The following documents filed with the Securities and Exchange Commission by Dassault Systèmes
S.A. (the "Company") are hereby incorporated in this Registration Statement by reference:
(a)
Annual report on Form 20-F for the year ended December 31, 2006, filed on May
29, 2007 (File No. 000-28578);
(b)
Interim reports on Form 6-K for the quarters ended March 31, 2007, June 30,
2007, and September 30, 2007, respectively (File No. 000-28578);
(c)
The description of the Company's common stock contained in its Registration
Statement on Form 8-A (File No. 000-28578), except to the extent that such description
has been superseded by the descriptions in "Item 9A. Listing Details," "Item 10B.
Memorandum and Articles of Association" and "Item 10D. Exchange Controls" of the Form
20-F.
All documents filed by the Company pursuant to Sections 13(a), 13(c), 14 and 15(d) of the
Securities Exchange Act of 1934, as amended, after the date of this Registration Statement and prior
to the filing of a post-effective amendment to this Registration Statement which indicates that all
securities offered have been sold or which deregisters all securities then remaining unsold shall
be deemed to be incorporated by reference in this Registration Statement and to be a part hereof
from the date of filing such documents. 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 which also is or is deemed to be incorporated by reference herein
modifies or supersedes such statement. Any such statement so modified or superseded shall not be
deemed, except as so modified or superseded, to constitute a part of this Registration Statement.
ITEM 4. DESCRIPTION OF SECURITIES.
Not required.
ITEM 5. INTERESTS OF NAMED EXPERTS AND COUNSEL.
Not applicable.
ITEM 6. INDEMNIFICATION OF DIRECTORS AND OFFICERS.
The Company currently maintains liability insurance for its directors and officers, including
insurance against liabilities under the Securities Act of 1933, as amended, subject to the terms
and limitations of the policy.
ITEM 7. EXEMPTION FROM REGISTRATION CLAIMED.
Not applicable.
2
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ITEM 8. EXHIBITS.
The following exhibits are filed as part of this Registration Statement:
4.1
By-laws ("statuts") of the Company (incorporated by reference to Exhibit 1.1 to
the Company's Annual Report on Form 20-F for the fiscal year ended December 31, 2006,
filed on May 29, 2007 (File No. 000-28578)).
5
Opinion of Baker & McKenzie.
10
Dassault Systèmes 2006 Stock Options Plan.
23.1
Consent of PricewaterhouseCoopers Audit.
23.2
Consent of Deloitte & Associés.
23.3
Consent of Ernst & Young Audit.
23.4
Consent of Baker & McKenzie (included as part of Exhibit 5).
24
Power of Attorney (included on the signature page to this Registration
Statement).
ITEM 9. UNDERTAKINGS.
(a) The undersigned Registrant hereby undertakes:
(1) To file, during any period in which offers or sales are being made, a post-effective
amendment to this Registration Statement:
(i) To include any prospectus required by Section 10(a)(3) of the Securities Act of 1933;
(ii) To reflect in the prospectus any facts or events arising after the effective date of the
Registration Statement (or the most recent post-effective amendment thereof) which, individually or
in the aggregate, represent a fundamental change in the information set forth in the Registration
Statement. Notwithstanding the foregoing, any increase or decrease in volume of securities offered
(if the total dollar value of securities offered would not exceed that which was registered) and
any deviation from the low or high end of the estimated maximum offering range may be reflected in
the form of prospectus filed with the Commission pursuant to Rule 424(b) if, in the aggregate, the
changes in volume and price represent no more than a 20 percent change in the maximum aggregate
offering price set forth in the "Calculation of Registration Fee" table in the effective
Registration Statement;
(iii) To include any material information with respect to the plan of distribution not
previously disclosed in the Registration Statement or any material change to such information in
the Registration Statement;
provided, however
, that paragraphs (a)(1)(i) and (a)(1)(ii) do not apply if the Registration
Statement is on Form S-8, and the information required to be included in a post-effective amendment
by those paragraphs is contained in reports filed with or furnished to the Commission by the
Registrant pursuant to Section 13 or Section 15(d) of the Securities Exchange Act of 1934 that are
incorporated by reference in this Registration Statement.
(2) That, for the purpose of determining any liability under the Securities Act of 1933, each
such post-effective amendment shall be deemed to be a new registration statement relating to the
securities offered therein, and the offering of such securities at that time shall be deemed to be
the initial
bona fide
offering thereof.
(3) To remove from registration by means of post-effective amendment any of the securities
being registered which remain unsold at the termination of the offering.
3
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(b) The undersigned Registrant hereby undertakes that, for purposes of determining any
liability under the Securities Act of 1933, each filing of the Registrant's annual report pursuant
to Section 13(a) or Section 15(d) of the Securities Exchange Act of 1934 (and, where applicable,
each filing of an employee benefit plan's annual report pursuant to Section 15(d) of the Securities
Exchange Act of 1934) that is incorporated by reference in the Registration Statement shall be
deemed to be a new registration statement relating to the securities offered therein, and the
offering of such securities at that time shall be deemed to be the initial
bona fide
offering
thereof.
(c) Insofar as indemnification for liabilities arising under the Securities Act of 1933 may be
permitted to directors, officers and controlling persons of the Registrant pursuant to the
foregoing provisions, or otherwise, the Registrant has been advised that in the opinion of the
Securities and Exchange Commission such indemnification is against public policy as expressed in
the Act and is, therefore, unenforceable. In the event that a claim for indemnification against
such liabilities (other than the payment by the Registrant of expenses incurred or paid by a
director, officer, or controlling person of the Registrant in the successful defense of any action,
suit or proceeding) is asserted by such director, officer or controlling person in connection with
the securities being registered, the Registrant will, unless in the opinion of its counsel the
matter has been settled by controlling precedent, submit to a court of appropriate jurisdiction the
question whether such indemnification by it is against public policy as expressed in the Act and
will be governed by the final adjudication of such issue.
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SIGNATURES
Pursuant to the requirements of the Securities Act, Dassault Systèmes S.A. 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 Suresnes, France, on the 21st day of December, 2007.
DASSAULT SYSTÈMES S.A.
By:
Name:
/s/ Bernard Charlès
Bernard Charlès
Title:
President and Chief Executive Officer
POWER OF ATTORNEY
KNOW ALL MEN BY THESE PRESENTS, that each person whose signature appears below hereby
constitutes and appoints Thibault de Tersant and Valérie Raoul-Desprez, and each of them, his or
her true and lawful attorneys-in-fact and agents, with full power of substitution and
resubstitution, for him or her and in his or her name, place and stead, in any and all capacities,
in connection with this Registration Statement, to sign any and all amendments or supplements to
the Registration Statement, including post-effective amendments, and to file the same, with all
exhibits thereto, and other documents in connection therewith, with the Securities and Exchange
Commission, and does hereby grant 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 and about the premises, as fully to all intents and purposes as he or she 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, 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 below by the following persons in the capacities
indicated on the 21st day of December,
2007.
SIGNATURE
TITLE
/s/ Bernard Charlès
President, Chief Executive Officer and Director
Bernard Charlès
(Principal Executive Officer)
/s/ Laurent Dassault
Laurent Dassault
Director
/s/ Paul Brown
Paul Brown
Director
/s/ Jean-Pierre Chahid-Nourai
Jean-Pierre Chahid-Nourai
Director
Chairman of the Board; Director
Charles Edelstenne
Director
André Kudelski
/s/ Bernard Dufau
Bernard Dufau
Director
/s/ Arnoud De Meyer
Arnoud De Meyer
Director
/s/ Thibault de Tersant
Thibault de Tersant
Executive Vice President and Chief Financial Officer
(Principal
Financial Officer)
5
Table of Contents
SIGNATURE
TITLE
/s/ Valérie Raoul-Desprez
Valérie Raoul-Desprez
Controller
(Principal
Accounting Officer)
AUTHORIZED U.S. REPRESENTATIVE
Pursuant to the requirements of the Securities Act of 1933, as amended, this Registration
Statement has been signed below on December 21, 2007 by the undersigned as the duly authorized
representative of Dassault Systèmes in the United States.
/s/ Deborah Dean
Deborah Dean
6
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EXHIBIT INDEX
Exhibit No.
Description
4.1
By-laws of the Company (incorporated by reference to Exhibit 1.1 to the Company's
Annual Report on Form 20-F for the fiscal year ended December 31, 2006, filed on
May 29, 2007 (File No. 000-28578)).
5
Opinion of Baker & McKenzie.
10
Dassault Systèmes 2006 Stock Options Plan.
23.1
Consent of PricewaterhouseCoopers Audit.
23.2
Consent of Deloitte & Associés.
23.3
Consent of Ernst & Young Audit.
23.4
Consent of Baker & McKenzie (included as part of Exhibit 5).
24
Power of Attorney (included on the signature page to this Registration Statement).
7