ABAQUS Announces 2006 Worldwide Users' Conference

Invited Lectures from Lockheed Martin and Dana Corporation combine with exceptional technical content to offer an informative, insightful event

PROVIDENCE, R.I., USA, November 16, 2005 – ABAQUS, Inc., a Dassault Systémes’ (DS) company (Nasdaq: DASTY; Euronext Paris: #13065, DSY.PA) and the leading provider of advanced finite element analysis (FEA) software, will host the 19th Annual Worldwide ABAQUS Users' Conference (AUC), May 23-25, 2006, at The Charles Hotel, Cambridge, Massachusetts, USA. This three-day forum provides an opportunity for ABAQUS users around the world to meet and share experiences, to discuss current and future ABAQUS products and technology, and to learn about complementary partner solutions.

Activities planned for the 2006 AUC include:

• A welcome address from ABAQUS President and Chief Executive Officer Mark Goldstein, sharing business perspectives and outlining ABAQUS strategy
• Invited Lectures presented by Lockheed Martin Aeronautics Company and Dana Corporation
• Technical papers by ABAQUS users from multiple industries and geographies
• Presentations by ABAQUS technical staff on product directions and areas of technical interest
• Formal and informal customer focus group sessions
• The opportunity for social networking during receptions, breaks, and banquets

In addition, this year's event will again feature a technology pavilion where providers of ABAQUS-related products will be on hand to explain how their offerings can help contribute to a more successful engineering process. At the event, ABAQUS technical staff will be available to discuss new technology and functionality in the software and to discuss ideas for future versions of ABAQUS.

New to the event this year is an Image and Animation Contest. Authors of accepted contributed papers will have the opportunity to enter up to three images or animations related to their paper. Eight winners will receive free registration to one of the advanced instruction seminars along with a small gift.

For more information on the 2006 Worldwide ABAQUS Users' Meeting and to submit an abstract, please visit www.abaqus.com/AUC2006.

About ABAQUS and SIMULIA
Founded in 1978, ABAQUS, Inc. is the world's leading provider of software and services for advanced finite element analysis. The ABAQUS® software suite has an unsurpassed reputation for technology, quality and reliability. It has been adopted by major corporations across all engineering disciplines as an integral part of the design process. ABAQUS offers a powerful and complete solution for simple-to-complex linear and nonlinear engineering problems, using the finite element method. A wide range of structural, thermal, dynamic and coupled analyses is supported. The software delivers a unified simulation environment without equal, presenting a compelling alternative to implementations involving multiple products and vendors. In October 2005, ABAQUS became a wholly owned subsidiary of Dassault Systèmes, a world leader in 3D and Product Lifecycle Management (PLM) solutions. SIMULIA, a Dassault Systèmes brand, offers realistic simulation solutions based on an open multiphysics platform allowing a unified approach. SIMULIA will make simulation a natural activity to a wider constituency while delivering increased value and lower cost of ownership for engineering and scientific applications. ABAQUS is a core component of the vision and a basis for the future evolution of SIMULIA.

ABAQUS employs over 525 people worldwide, with headquarters located in Providence, RI, USA, and R&D centers in Providence and in Suresnes, France. ABAQUS has 29 offices for technical support, sales and services, plus a network of distributors in emerging markets. To learn more go to www.abaqus.com.

About Dassault Systèmes
As world leader in 3D and PLM (Product Lifecycle Management) solutions, the Dassault Systèmes group brings value to more than 80,000 customers in 80 countries. A pioneer in the 3D software market since 1981, Dassault Systèmes 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®, DELMIA®, ENOVIA®, SMARTEAM®), mainstream 3D design tools (SolidWorks®), and 3D components (Spatial/ACIS®). Dassault Systèmes is listed on the Nasdaq (DASTY) and Euronext Paris (#13065, DSY.PA) stock exchanges. For more information, visit http://www.3ds.com

ABAQUS® is a registered trademark or trademark of ABAQUS, Inc., in the United States and other countries. SIMULIA is a trademark of Dassault Systèmes in the United States and other countries. All other brand names, product names or trademarks belong to their respective holders.

Dassault Systèmes Press Contacts:

Derek Lane (Americas)
+1(818) 673-2243
derek_lane@ds-us.com

Frédérique Moureton
+33 1 40 99 68 80
frederique_moureton@ds-fr.com

Nelly Dimey (Financial Dynamics)
+ 33 1 47 03 68 10
Nelly.Dimey@fd.com

ABAQUS Press Contacts:

Miles Parker (Parker Group)
+1 (401) 272-1510
team@parkergroup.com

Stacy Hart
+1 (401) 276-4403
Stacy.Hart@simulia.com