SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER

PURSUANT TO RULE 13a-16 OR 15d-16 OF
THE SECURITIES EXCHANGE ACT OF 1934

Report on Form 6-K dated April 26, 2006

Commission File No. 0-28578

DASSAULT SYSTEMES S.A.
(Name of Registrant)

9, Quai Marcel Dassault, B.P. 310, 92156 Suresnes Cedex, France
(Address of Principal Executive Offices)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F
or Form 40-F

Form 20-F    X  Form 40-F       

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation
S-T Rule 101(b)(1):

Yes        No    X 

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation
S-T Rule 101(b)(7):

Yes        No    X 

Indicate by check mark whether by furnishing the information contained in this Form, the registrant is
also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the
Securities Exchange Act of 1934:

Yes        No    X 

If “Yes” is marked, indicate below the file number assigned to the registrant in connection with Rule
12g3-2(b): 82-___________

ENCLOSURES:

  Dassault Systemes S.A. is furnishing under cover of Form 6-K a press release announcing the Independent Public Accountants' Fees Paid by Dassault Systemes in 2005.

  INDEPENDENT PUBLIC ACCOUNTANTS' FEES PAID BY DASSAULT SYSTEMES

  In 2005, the amount paid in fees by Dassault Systèmes to each of the independent public accountants was:

Pricewaterhouse Coopers

 Ernst & Young Audit
    In euros

     %

     In euros

     %
          2005

           2004

           2005

           2004

           2005

           2004

           2005

           2004
  Audit

- Audit of the accounts, certification, examination of individual and consolidated accounts(1)

- Other fees


915,008



742,755		  


53.5%



43.5%		  


256,983



43,650


487,522



0


79.1%



13.4%


92.3%



0.0%		  
  Subtotal

 1,657,763 97.0% 300,633 487,522 92.5% 92.3%
  Other services

- Legal, tax, social

51,078		 3.0% 24,276 40,890 7.5% 7.7%
  Subtotal

 51,078 3.0% 24,276 40,890 7.5% 7.7%
TOTAL

 1,708,481 100.0% 324,909 528,412 100.0% 100.0%
  (1) Including services rendered by an independent expert or requested by the independent public accountants in connection with the certification of the accounts.

SIGNATURES

        Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.





DASSAULT SYSTEMES S.A.
 
 
Date: April 26, 2006 By: /s/ Thibault de Tersant
Name: Thibault de Tersant
Title: Executive Vice President,
Finance and Administration