MONE Matrixone (MM)

MatrixOne, Inc. (NASDAQ: MONE), a leading provider of collaborative product lifecycle management (PLM) solutions for the value chain(TM), today announced that it will release financial results for the second quarter ended December 31, 2005 on Wednesday, February 8, 2006 after the market closes. The Company's management team plans to host a live conference call and webcast at 5:00 p.m. eastern time on that day to discuss the financial results as well as management's outlook for the business. The conference call may be accessed in the United States by dialing (800) 230-1096 and using passcode "MONE". The conference call may be accessed outside of the United States by dialing (612) 288-0337 and using passcode "MONE". The conference call will be simultaneously webcast on the Company's Investor Relations website, which can be accessed at www.matrixone.com/investor. A replay of the webcast will be available approximately two hours after the call. About MatrixOne 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, 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. 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.