Paris, France – December 20, 2000 -- The CAC 40 index consists of 40 French and international stocks listed on the main market in Paris, chosen primarily for their market size and liquidity.

Dassault Systemes is the world leader in developing solutions for Product Lifecycle Management (PLM). Since going public in 1996, simultaneously on the Paris Bourse and Nasdaq, the Company has become an international player with six major brands: CATIA, ENOVIA, DELMIA, SolidWorks, Smart Solutions and Spatial. Today, Dassault Systemes has the largest development lab in Europe. For the nine-months ended September 30, 2000, the Company’s revenue increased 22% to EUR 435.9 million compared to the year-ago period. The Company’s net income increased 16% to EUR 92.2 million, or EUR 0.78 per diluted share, excluding acquisition costs. Dassault Systemes has over 2,900 employees worldwide.