PTC to Speak at the NASDAQ OMX Investor Program in London on December 3, 2008

NEEDHAM, Mass. -PTC (Nasdaq: PMTC), The Product Development Company®, today announced that management will speak at the NASDAQ OMX Investor Program in London on Wednesday, December 3, 2008, at 8:30am (GMT).

What:

PTC to present at NASDAQ OMX Investor Program

When:

Wednesday, December 3, 2008, at 8:30am (GMT)

Where:

http://investor.shareholder.com/media/eventdetail.cfm?eventid=62336&CompanyID=PMTC&e=1&mediaKey=9497C0BDFE436951F37B25A01DB10B64

Replay:

The presentation will be archived for public replay until December 8, 2008 at www.ptc.com/for/investors.htm.

The presentation will include management’s discussion of PTC’s business and outlook, which may include material projections and other forward-looking statements regarding PTC’s anticipated financial results and growth, as well as the development of PTC’s products and markets and other future events. Please note that statements made in the presentation are as of the date of the presentation and PTC does not assume any obligation to update any statements made or the archived presentation. In addition, any forward-looking statements about PTC’s anticipated financial results and growth, as well as about the development of products and markets, are based on current plans and assumptions. 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 Forms 10-Q and 10-K.