PTC to Webcast Annual Meeting of Stockholders on March 1, 2006

Business Wire, Feb 23, 2006

NEEDHAM, Mass. -- PTC (Nasdaq: PMTC) is holding its annual meeting of stockholders on March 1, 2006 at 9:00 am ET. The event will be audio Webcast simultaneously on PTC's investor Web site.

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), content management and dynamic publishing solutions to more than 40,000 companies worldwide. PTC customers include the world's most innovative companies in manufacturing, publishing, services, government and life sciences industries. PTC is included in the S&P 500 and Russell 2000 indices. For more information on PTC, please visit http://www.ptc.com.