MatrixOne to Present at the RBC Capital Markets North American Technology Conference 2004

Business Wire, August 2, 2004

WESTFORD, Mass. -- MatrixOne, Inc. (NASDAQ: MONE), a leading provider of collaborative product lifecycle management (PLM) solutions for the value chain(TM), today announced that Moe Castonguay, the Company's Senior Vice President and Chief Financial Officer and Dave DeMaria, the Company Senor Vice President of Global Marketing, are scheduled to present at the RBC Capital Markets North American Technology Conference 2004 on Monday, August 2, 2004 in Half Moon Bay, California. MatrixOne will webcast its presentation live beginning at approximately 5:15 P.M. Eastern Time. Those who would like to listen to the webcast can access it live on the MatrixOne Investor Relations website at http://www.matrixone.com/investor. The webcast will be archived on the website for fourteen days following the presentation.

About MatrixOne

MatrixOne, Inc. (NASDAQ: MONE) 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 (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" and Matrix10 are trademarks of MatrixOne, Inc. All other trademarks and service marks are the property of their respective owners.