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MatrixOne SITaR Methodology Kit Enables Semiconductor Design Teams to Effectively Partition Large Scale Digital Designs to Reduce Cycle Time, Errors and Costs MatrixOne, Inc. (NASDAQ: MONE), a leading provider of collaborative product lifecycle management (PLM) solutions for the value chain(TM), today announced a new methodology kit that simplifies collaborative development of complex digital semiconductor designs. SITaR - which stands for Submit, Integrate, Test and Release - intuitively guides distributed project teams through the steps that are required to easily partition large scale designs into modular components that can be concurrently developed and then integrated, tested and released. It can significantly reduce the cycle time, errors and costs that are often associated with complex digital designs. This innovative methodology enables semiconductor design teams to easily manage their entire project including front-end design components such as RTL and software modules, back-end layout components, test harnesses, documentation and other design deliverables in a single configuration management environment. It enables each component to be independently designed and developed while the chip integrator assembles the design for test and release. It allows each team member to maintain versions of their work, track issues and report status. The MatrixOne SITaR Methodology Kit is an add-on component for the MatrixOne Synchronicity Developer Suite(R). Many semiconductor design organizations are adopting a block-based design methodology to improve productivity and quality, however the EDA design tools they utilize often do not easily support such an approach. SITaR simplifies the process by building easy-to-use functionality directly into Developer Suite, allowing hardware or software blocks to be integrated, tested and approved in a flow that is intended to save time and reduces errors. "SITaR crystallizes years of experience working with our leading-edge electronics customers to define world-class business processes for hardware/software co-development," said John Fleming, senior vice president, Industry Products and Solutions. "A highly repeatable and scalable methodology is critical to achieving the schedule compression required to gain a competitive advantage in today's fast-paced electronics market." Developer Suite bundles together MatrixOne Synchronicity ProjectSync(R), a solution which raises design predictability with multi-site project and issue tracking and communications with MatrixOne Synchronicity DesignSync(R), a solution which boosts productivity by making design data available to the entire project team in a safe and managed manner, no matter where they are located. The optional Hierarchical Configuration Manager provides the industry's only true block-based data management capability enabling hierarchical system-on-chip (SoC) design and reuse. About MatrixOne, Inc. MatrixOne, Inc. (NASDAQ: MONE), a leading global provider of collaborative product lifecycle management (PLM) software and services, enables companies to accelerate product innovation to achieve top line revenue growth and improve bottom line profitability. With world-class PLM solutions and a commitment to customer success, MatrixOne is focused on helping companies across the automotive, aerospace & defense, consumer, machinery, medical device, semiconductor and high-tech industries solve their most challenging new product development and introduction problems. More than 800 companies use MatrixOne's solutions to drive business value and gain a competitive advantage, including industry leaders such as BAE Systems, Bosch, Comau, General Electric, Honda, Johnson Controls, Linde AG, NCR, New Balance, Nokia, Philips, Porsche, Procter & Gamble, Sony Ericsson, STMicroelectronics and Toshiba. MatrixOne (www.matrixone.com) is headquartered in Westford, Massachusetts, with locations throughout North America, Europe and Asia-Pacific. On March 1, 2006, Dassault Systemes entered into a definitive agreement to acquire MatrixOne, Inc., subject to customary closing conditions. MatrixOne, the MatrixOne logo, Synchronicity, ProjectSync and DesignSync are registered trademarks and "a leading provider of collaborative product lifecycle management (PLM) solutions for the value chain," Developer Suite and Hierarchical Configuration Manager are trademarks of MatrixOne, Inc. All other trademarks and service marks are the property of their respective owners. Forward-looking statements in this release are subject to risks and uncertainties that could cause our actual results to differ materially from those anticipated. Such statements may relate, among other things, to our plans, objectives and expected financial and operating results. The risks and uncertainties that may affect forward-looking statements include, among others: poor product sales, long sales cycles, difficulty developing new products, and difficulty in relationships with vendors and partners, higher risk in international operations, difficulty assimilating future acquisitions, difficulty managing rapid growth, and increased competition. For more about the risks and uncertainties of our business, see our periodic and other S.E.C. filings.