Dassault Systemes Schedules First Quarter 2005 Conference Call Webcast

    Business Editors/High-Tech Editors

    PARIS--(BUSINESS WIRE)--March 30, 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 Tuesday, April 26, 2005, to discuss its operating performance for the first quarter 2005 ended March 31, 2005.
    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 3D and PLM (Product Lifecycle Management) solutions, the Dassault Systemes group brings value to more than 80,000 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(R), ENOVIA(R), SMARTEAM(R)), mainstream product design tools (SolidWorks(R)), and 3D components (Spatial - ACIS(R)). Dassault Systemes is listed on the Nasdaq (DASTY) and Euronext Paris (#13065, DSY.PA) stock exchanges. For more information, visit http://www.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, 33.1.47.03.68.10

KEYWORD: FRANCE UNITED KINGDOM INTERNATIONAL EUROPE INDUSTRY KEYWORD: HARDWARE SOFTWARE EARNINGS CONFERENCE CALLS SOURCE: Dassault Systemes

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