PTC to Speak at the NASDAQ OMX 27th Investor Program On Tuesday, December 6th, 2011

PTC (Nasdaq: PMTC ), The Product Development Company®, today announced that management will speak at the NASDAQ OMX 27th Investor Program in London on Tuesday, December 6th at 11:30am (ET).

What: PTC to present at the NASDAQ OMX 27th Investor Program

When: Tuesday, December 6th at 11:30am (ET)

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 December 9, 2011. To access the replay via webcast, please visit www.ptc.com/for/investors.htm.

Please note that statements made at the conference are as of the date of the conference and PTC does not assume any obligation to update any statements made live or the archived call. 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.