NEEDHAM, Mass. — (BUSINESS WIRE) — October 7, 2009 — PTC (Nasdaq: PMTC - News), The Product Development Company®, today announced that it will release its fiscal 2009 fourth quarter results on Tuesday, October 27th after the stock market closes. Senior management will host a live webcast and conference call to review the results on Wednesday, October 28th at 8:30 am Eastern Time. The earnings press release and accompanying prepared remarks document and financial and operating statistics will be accessible prior to the conference call and webcast on the investor relations section Company’s web site at www.ptc.com.

Please note that statements on the conference call are as of the date of the call and PTC does not assume any obligation to update any statements made live or the archived call. In addition, matters discussed may include forward-looking statements about PTC’s anticipated financial results and growth, as well as about the development of products and markets, which 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 Form 10-Q and Form 10-K.