MONEE Matrixone (MM)

MatrixOne, Inc. (NASDAQ: MONEE), a leading provider of collaborative product lifecycle management (PLM) solutions for the value chain(TM), today announced that it will be holding Taiwan Customer Day 2005 on Tuesday, September 13, 2005 at the Yong Chung Room in the Westin Taipei in Taiwan, Republic of China. The conference is for MatrixOne customers and attendance is by invitation only. The focus of this year's conference will be on the benefits of using PLM to align customer and regulatory requirements with the product lifecycle. Specifically, sessions will look at using PLM as a solution to the environmental compliance requirements for RoHS, WEEE and ELV; at using PLM to accelerate design and design to manufacturing (D2M) processes in the semiconductor industry; and at using PLM to help manage the synchronous design of certain electronic products. Attendees will have the opportunity to hear from leading companies such as Promos Technologies and Asia Forging Supply Co. Ltd. on how successful implementations of PLM solutions have helped them improve their internal processes, reduce costs and get products to market faster. -0- *T What: MatrixOne Taiwan Customer Day 2005 When: Tuesday, September 13, 2005 Where: The Yong Chun Room at the Westin Taipei in Taiwan, Republic of China *T For additional information on this event, including the full agenda and registration form, please visit http://www.matrixone.com/matrixone/events_taiwan.html. About MatrixOne MatrixOne, Inc. (NASDAQ: MONEE) is a recognized leader in delivering collaborative Product Lifecycle Management (PLM) solutions. We provide flexible solutions that unleash the creative power of global value chains to inspire innovations and speed them to market. MatrixOne's customers include global leaders in the aerospace and defense, automotive, consumer products, high technology, life sciences, machinery, and the process industries, including Agilent Technologies, General Electric, Honda, Johnson Controls, Philips, Procter & Gamble, Siemens, and Toshiba. MatrixOne (http://www.matrixone.com/) is headquartered in Westford, Massachusetts with locations throughout North America, Europe, and Asia/Pacific. MatrixOne and the MatrixOne logo are registered trademarks and "a leading provider of collaborative product lifecycle management (PLM) solutions for the value chain" is a trademark 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, 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.