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 11, 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 x   Form 40-F o
 
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 o   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 o   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 o   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 dated March 11, 2008, reporting the company’s repurchase of its own shares during the period from February 29, 2008 to March 10, 2008.


 
 
 
Suresnes, 11 March 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 29 February 2008 to 10 March 2008



Purchases effected during the period

Date
Transaction
Number of
shares
Weighted
average unit
price
Amounts of
transactions
29/02/2008
Purchase
63 903
36,11 €
2 307 537,33 €
03/03/2008
Purchase
149 071
35,95 €
5 359 102,45 €
04/03/2008
Purchase
100 000
35,69 €
3 569 000 €
05/03/2008
Purchase
100 000
35,79 €
3 579 000 €
06/03/2008
Purchase
100 000
35,86 €
3 586 000 €
07/03/2008
Purchase
100 000
35,79 €
3 579 000 €
10/03/2008
Purchase
120 000
37,01 €
4 441 200 €
Total
Purchase
732 974
36,05 €
26 420 839,78 €



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.
 

 
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 11, 2008
By:
/s/ Thibault de Tersant
 
 
Name:
Thibault de Tersant
 
 
Title:
Senior EVP and Chief
 
   
Financial Officer