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Jul 9, 2009

PTC to Announce Fiscal Q3 Results on Tuesday, July 28th

NEEDHAM, Mass - PTC (Nasdaq: PMTC - News), The Product Development Company®, today announced that it will release its fiscal 2009 third quarter results on Tuesday, July 28th after the stock market closes. Senior management will host a live webcast and conference call to review the results on Wednesday, July 29th 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.

What: PTC Fiscal Q3 Conference Call and Webcast

When: Wednesday, July 29, 2009 at 8:30 a.m. Eastern Time

Dial-in:
1-888-566-8560 or 1-517-623-4768
Call Leader: Richard Harrison
Passcode: PTC

Webcast: www.ptc.com/for/investors.htm

Replay: The audio replay of this event will be archived for public replay until 4:00 pm (CT) on
August 3, 2009 at 1-800-925-5415 or 1-402-530-8074. To access the replay via webcast, please visit