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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. is the manufacturer of SURFCAM(R) CAD/CAM software built
for PC computers.

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"
"Our factory uses a lot of 2D CAD, along with some 3D
applications, in routine product development ," said Jiang Ning, IT
manager of Chongqing Tiema Gearbox Co.

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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.

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"Now,
Chinese manufacturers have the opportunity to take part in the PLM
revolution that is leading to greater efficiencies and lower
production costs for manufacturers the world over .

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The solutions are built on
top of Dassault Systemes' Component Application Architecture Version 5
(CAA V5) platform.caxa.

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The CAXA V5 solutions
consist of fully integrated 2D and 3D PLM applications developed in
China specifically for the Chinese market.
"The release of CAXA V5 signals a new era for the Chinese
CAD/CAM/PLM industry," said Dr. "CAXA V5 will
bring PLM value in both 2D and 3D to Chinese industry, enabling
manufacturers to embrace PLM at their own pace and to ultimately
benefit from the worldwide success of CATIA, ENOVIA, DELMIA and
SMARTEAM.

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The center
combines CAXA's R+D expertise and technology, along with its more than
10 years of experience in the Chinese market, with Dassault Systemes'
3D PLM solutions and V5 technology components. CAXA V5 offers a China -engineered PLM alternative that
will enable small and medium-sized Chinese businesses to model and
optimize the design-to-production cycle digitally, even while working
in 2D, and to grow at their own pace into full-fledged 3D PLM users. The release of this
new solution is the culmination of a partnership with Dassault
Systemes in which both companies have focused on creating a Chinese
solution in China and have succeeded in producing a truly
transformative technology. As an existing CAXA customer , we are
pleased to see CAXA's rapid growth, with its new products meeting
international standards .
Surfware, Inc.

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This solution suits our type
of operation very well."

About CAXA

CAXA is the market leader and largest Chinese provider of
CAD/CAM/PLM solutions.PA) stock exchanges ., Surfware, Inc. The show
will run April 4-7, 2005 at the Los Angeles Convention Center in Los Angeles,
California.

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CAXA V5 provides a complete spectrum of solutions that covers
drafting (2D interactive and generative), product design (including
part, assembly, surface, mold, piping and tubing, sheet metal,
welding, and steelworks), interfaces (including STEP, STL, and all
major CAD systems), product review (including digital mock-up,
rendering, and analysis), and manufacturing (prismatic and 3 axes). "TrueMill provides a completely new
tool path strategy that generates smooth , fluid tool paths, which leverage the
superior motion-control capabilities of CNC machine tools.

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At the same time, we can gradually expand 3D
applications at our own pace.sme.

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Its offering includes integrated PLM solutions for
product development (CATIA(R), DELMIA(R), ENOVIA(R), SMARTEAM(R)),
mainstream 3D design tools (SolidWorks(R)), and 3D components
(Spatial/ACIS(R))."
TrueMill is only available in SURFCAM Velocity(TM), which will be released
in Summer 2005.

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PA) today announced the availability of CAXA V5, a new
generation of integrated and scalable 2D and 3D PLM solutions for the
Chinese market that embed V5 technology components from Dassault
Systemes. On one hand, we can immediately enjoy the
benefits of adopting PLM. We look forward to enjoying the value that
CAXA V5 will create for us."
The toolpaths produced by TrueMill are completely free from spikes or
sudden changes in tool load.com.

A CAM System produces a GCode program that runs a CNC machine.

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Business Editors/High-Tech Writers/Telecommunications Writers

BEIJING + PARIS----

CAXA V5 PLM products developed for and in China to help
manufacturers move from CAD/CAM to PLM

CAXA, the leading domestic PLM (Product Lifecycle Management)
vendor in China, and Dassault Systemes (NASDAQ:DASTY) (Euronext Paris:
#13065, DSY.
China has advanced rapidly in the past decade as a global
manufacturer, but the majority of Chinese manufacturers still use 2D
applications . CAXA has received
the "Best-10 Domestic Software Awards" for five consecutive years and,
in 2004 , the highest "Software Gold Award" from China Software
Industry Association. This revolutionary tool
path engine precisely controls a tool's engagement with the material, enabling
the use of much more aggressive machining parameters, which in turn results in
significantly reduced cycle times . It can be experienced live at WESTEC, booth #3358.

About Surfware, Inc.surfware.

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These CAXA V5 solutions are the result of a Dassault Systemes-CAXA
partnership announced last November and software development carried
out in a joint R+D center operated by CAXA in Beijing. Lei Yi, president and CEO, CAXA. Ltd, a Chinese vehicle
transmission manufacturer.
"One of the most important aspects of TrueMill is its complete
independence from the machining hardware, including the cutting tools, tool
holders, the controller, and the machine tool," continued Coleman.

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Dassault Systemes and CAXA Announce Availability of CAXA V5 PLM Solutions

"This is a completely new method of machining ," said Glenn Coleman, vice
president of product design at Surfware.

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For more
information, visit http://www.

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For additional information,
please visit http://www.com

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Based on the mission of "software service
manufacturing industry", CAXA has developed a serial of products in
design , process planning, manufacturing and collaborative management
that tailor domestic practices of Chinese industry. Revolutionary New Technology Dynamically Manages Tool Engagement for
Significantly Faster Material Removal Rates

WESTLAKE VILLAGE, Calif. For additional information , visit Surfware's web site at
http://www.

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Integration capabilities in the solution will enable customers to
retain their current investments in CAD/CAM applications."

"The release of CAXA V5 demonstrates our commitment to work with
Chinese industrials on the flexibility of the open V5 architecture to
develop China-engineered solutions for the Chinese market," said
Bernard Charles , president and CEO, Dassault Systemes. Dassault Systemes is listed on the Nasdaq (DASTY)
and Euronext Paris (#13065, DSY.org/westec.

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For more information visit http://www.

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"CAXA V5 is the first solution that
seamlessly integrates both 2D and 3D PLM. CAXA has more than 150,000 installations in
China through well-established channels including 35 sales and service
branches, 300 training centers and 300 business partners.

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3ds.,
developer of SURFCAM CAD/CAM Systems, will unveil TrueMill(TM), its new
patent-pending tool path technology, at WESTEC 2005. Material removal
is not only much faster , but also more efficient, with less stress on the
cutting tool and the machine. Thus, machining parameters such as spindle
speed, feed rate, depth-of-cut, and stepover can be used in combinations that
would result in material damage or tool breakage if used with existing tool
path generators .
Machine shops worldwide use SURFCAM for 2D and 3D mechanical design, surface
modeling, reverse engineering, prototyping, mold-making, pattern-making and
production machining. Surfware continues to build on its founding innovation
and machining experience to provide solutions to today's biggest industry
concerns.

CNC Equipment comes in many flavors: Horizontal and Vertical Machining Centers (Mills), Two

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More than
1,200 domestic colleges and universities have selected CAXA as their
standard education and training software.

Surfware to Unveil TrueMill(TM) Technology at WESTEC 2005

"All
things being equal, TrueMill tool paths can be driven faster and deeper than
other tool paths , resulting in dramatically reduced cycle times, while
extending cutting tool life. SURFCAM is designed for CNC programming of 2-, 3-, 4, and
5-axis mills, lathes, wire EDM, laser, plasma, and water-jet machines.