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 March 19, 2008
 
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                                                                  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     
 
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     
 
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     
 
  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 dated March 19, 2008, reporting the company’s repurchase of its own shares during the period from March 11, 2008 to March 13, 2008.
 



 
 
 
Suresnes, March 19, 2008

DISCLOSURE OF TRADING IN OWN SHARES
(repurchase program decided by the general meeting of shareholders on June 6, 2007)

Issuer:  DASSAULT SYSTEMES S.A.
Type of securities:  ordinary shares
Period:  from March 11 to 13, 2008



Purchases effected during the period

Date
Transaction
Number of
shares
Weighted
average unit
price
Amounts of
transactions
11/03/2008
Purchase
148 339
37,44 €
5 553 812,16 €
12/03/2008
Purchase
70 613
37,86 €
2 675 679,78 €
13/03/2008
Purchase
10 000
37,70 €
377 000 €
Total
Purchase
228 952
37,59 €
8 606 491,94 €



During the period, the issuer has not dealt on derivative instruments and has not effected any purchase of sale upon exercise or maturity of derivative instruments.
 
 
 
CONTACTS:
Dassault Systèmes :
Valérie Agathon/Béatrix Martinez
33.1.40.99.69.24
 

 
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:  March 19, 2008
By:
/s/ Thibault de Tersant  
  Name:   Thibault de Tersant  
  Title: Senior EVP and Chief Financial Officer