PTC to Host Investor Day in Orlando, FL On Monday, June 8, 2009

NEEDHAM, Mass - PTC (Nasdaq: PMTC), The Product Development Company®, today announced that management will host its Investor Day on Monday, June 8, 2009 from 10:00am to 2:30pm (ET) in conjunction with PTC/USER World Event 2009 held at Rosen Shingle Creek Resort, Orlando, FL. To register, please contact Sharon Feintuck at 781-370-6909 or sfeintuck@ptc.com.
What: PTC Investor Day

When:

Monday, June 8, 2009, from 10:00am to 2:30pm (ET)

Where:

http://phx.corporate-ir.net/phoenix.zhtml?p=irol-eventDetails&c=116312&eventID=2224002

Replay:

The presentation will be archived for public replay until June 11, 2009 at

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

The presentations 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 Form 10-Q and Form 10-K.