Dassault Systèmes to Host European CATIA Forum in Paris, November 6-7, 2007

Bring Life to Innovative Products with CATIA and Open New Paths to Your Imagination and Engineering

Paris, France, September 4, 2007- Dassault Systèmes (DS) (Nasdaq: DASTY; Euronext Paris: #13065, DSY.PA), a world leader in 3D and Product Lifecycle Management (PLM) solutions, today announced it will host the 2007 European CATIA Forum on November 6-7, at Disneyland Paris, France.  Themed “Let’s Be Imagineers”, the event will focus on how to bring life to innovative products with CATIA, the world leading solution for product design excellence, and open new paths to your imagination and engineering.

During the international event dedicated to CATIA customers with participation from other DS brands and partners, DS will release several major announcements and highlight this year’s most significant ones, which include CATIA V5 SOA, 3DVIA, online CATIA applications, and CATIA PLM Express.  Attendees will meet key players of business transformation; share major market trends, business cases and advanced strategies; and experience first-hand solutions that will take their businesses to the next level.  In addition to numerous informal networking opportunities, this year’s forum goers will also be able to attend one-to-one meetings and themed breakfasts with DS experts and product managers, as well as DS partners.

For complete information about the European

CATIA Forum, including the full agenda and registration kit, please visit:  http://www.3ds.com/ecforum.

About Dassault Systèmes

Dassault Systèmes, the 3DEXPERIENCE® Company, is a catalyst for human progress. We provide business and people with collaborative virtual environments to imagine sustainable innovations. By creating virtual twin experiences of the real world with our 3DEXPERIENCE platform and applications, our customers can redefine the creation, production and life-cycle-management processes of their offer and thus have a meaningful impact to make the world more sustainable. The beauty of the Experience Economy is that it is a human-centered economy for the benefit of all – consumers, patients and citizens. Dassault Systèmes brings value to more than 300,000 customers of all sizes, in all industries, in more than 150 countries. For more information, visit https://www.3ds.com