Dassault Systemes Schedules Fourth Quarter and Full Year 2004 Conferen

    Business Editors/Software Writers

    PARIS--(BUSINESS WIRE)--Jan. 4, 2005--Dassault Systemes (Nasdaq: DASTY; Euronext Paris: #13065, DSY.PA), a worldwide leading software developer of product lifecycle management (PLM) solutions, will host a conference call on Wednesday, February 9, 2005, to discuss its operating performance for the full year 2004 and the fourth quarter ended December 31, 2004.
    The management of Dassault Systemes will host the conference call at 10:00 AM New York Time - 4:00 PM Paris Time to discuss the Company's operating performance.
    The conference call will be available via the Internet by accessing Dassault Systemes' website at http://plm.3ds.com/corporate/investors/. Follow the directions on the main page to link to the audio. Please go to the website at least fifteen minutes prior to the call to register, to download and install any necessary audio software. The webcast will be archived for 30 days.

    About Dassault Systemes

    As world leader in PLM (Product Lifecycle Management) solutions, the Dassault Systemes group brings value to more than 70,000 customers in 80 countries. A pioneer in the 3D software market since 1981, Dassault Systemes develops and markets PLM application software and services that support industrial processes and provide a 3D vision of the entire life cycle of products from conception to maintenance. Its offering includes integrated PLM solutions for product development (CATIA(R), DELMIA(TM), ENOVIA(R), SMARTEAM(R)), mainstream product design tools (SolidWorks(R)), and 3D components (ACIS(R)) from Spatial Corp. Dassault Systemes is listed on the Nasdaq (DASTY) and Euronext Paris (#13065, DSY.PA) stock exchanges. For more information, visit: http://plm.3ds.com

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CONTACT: Dassault Systemes: Investor Relations Team 33-1-40-99-69-24 OR FD International: Harriet Keen, 44-20-7831-3113 OR Jean-Benoit Roquette/Emma Rutherford/Nelly Dimey/ Lorie Lichtlen, 33-1-47-03-68-10

KEYWORD: FRANCE INTERNATIONAL EUROPE INDUSTRY KEYWORD: ADVERTISING/MARKETING RETAIL MANUFACTURING SOFTWARE CONFERENCE CALLS SOURCE: Dassault Systemes

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