PTC to Webcast Annual Meeting of Stockholders on March 10, 2005

Business Wire, March 3, 2005

NEEDHAM, Mass. -- PTC (Nasdaq: PMTC) is holding its annual meeting of stockholders on March 10, 2005 at 9:00 am ET. The event will be audio Webcast simultaneously on PTC's investor website.

The annual meeting may be attended in person by PTC shareholders at PTC's corporate headquarters in Needham, Mass. To access the live Webcast or replay of the event, please visit www.ptc.com/for/investors.htm.> For more information on corporate governance at PTC, please visit www.ptc.com/for/investors.htm and click on the "Corporate Governance" button. PTC will post the results of its annual meeting vote on this website within two (2) business days of the annual meeting.

This event will be archived for public replay for a period of three (3) business days from the date of the live event. Please note that statements during the meeting are as of the date of the meeting and PTC does not assume any obligation to update the archived meeting. In addition, matters discussed in the meeting may include forward-looking statements regarding PTC's products, future operations or anticipated financial performance. Actual results in future periods may differ materially from current expectations due to a number of risks and uncertainties, including those described from time to time in reports filed by PTC with the U.S. Securities and Exchange Commission, including PTC's most recent reports on Form 10-K and 10-Q.

About PTC

PTC (Nasdaq: PMTC) provides leading Product Lifecycle Management (PLM) software solutions to more than 35,000 companies worldwide. PTC customers include many of the world's most innovative manufacturing companies in the aerospace & defense, automotive, consumer, electronics & high technology, industrial equipment and medical products industries. PTC is included in the S&P 500 and Russell 2000 indices. Further information on PTC is available at http://www.ptc.com.