PTC and HP plan to offer support for Linux users

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Needham, Mass., June 10 /PRNewswire/ — Today, in a first for the product design industry, PTC (NASDAQ: PMTC) , the product
development company(TM), announced its intention to support the Linux operating system for Pro/ENGINEER(R).
Pro/ENGINEER, PTC’s flagship mechanical computer aided design (MCAD) application, gives users the power to create advanced,
high- quality product models and designs that result in superior products. A new, easy-to-use, Web-connected version of
Pro/ENGINEER, called Pro/ENGINEER Wildfire was also announced today at the PTC/USER conference (see related press release
at http://www.ptc.com/company/news/press/releases/20020610wildfire.htm). With the release of a Linux supported Pro/ENGINEER,
PTC plans to accommodate the growing demand from top design engineers to support the Linux open-source operating system.

PTC also announced its intention to align with the Hewlett-Packard Company as the Linux partner for PTC's Pro/ENGINEER.
              Working with HP, PTC intends to support two popular Linux distributions, including Red Hat, on the full range of 32-bit Intel-based
              architecture workstations available from HP with the release of Pro/ENGINEER Wildfire later this year.

              "Two of our biggest strengths with Pro/ENGINEER Wildfire are openness and value," said Brian Shepherd, senior vice president of
              technical marketing at PTC. "Adding Linux to the long list of certified platforms for Pro/ENGINEER ensures that our customers can
              take advantage of the innovations and competition taking place in the platform market to achieve the lowest total cost of ownership
              for their product development environment."

              Supporters of Linux point to a lower total cost of ownership because they can leverage their UNIX expertise on a free and open
              operating system running on cost-effective Intel architecture workstations. According to market analyst firm IDC; Linux and other
              open-source operating systems are expected to experience a 67 percent compound annual growth rate between 2001 and 2005.
              IDC Analyst Gisela Wilson states, "PTC's support for the Linux operating environment is proof of its stated commitment to
              openness and platform independence. This announcement reinforces PTC's reputation as one of the technology leaders in the
              product lifecycle management market."

              "PTC is moving ahead of the curve by working with HP to bring the power and usability of Pro/ENGINEER Wildfire to Linux," said
              Martin Fink, general manager, HP Linux Systems Division. "As the leading provider of Linux solutions, HP is ideally positioned to
              help service the growing demand for a Linux solution within product development and engineering environments."

              Thanks to an innovative software architecture, Pro/ENGINEER can accommodate a wide variety of hardware platforms and
              operating systems with full interoperability, high performance, and a fully consistent and familiar user interface. PTC has always
              shown a leading role in bringing innovations and improvements in operating systems and platforms to the engineering community.
              By partnering on this initiative with HP, the leading Linux solution provider, PTC will be able to expedite the process of bringing this
              product to market.

              "We have been long time users of Pro/ENGINEER on a variety of platforms," said Dr. Sepehr Kiani, principal engineer at Teradyne
              Connection Systems, " Pro/ENGINEER Wildfire on Linux is exciting as it will allow us to take advantage of expertise we already have
              in UNIX while allowing our top designers to run on whatever system they prefer. We really appreciate the flexibility that PTC's open
              approach gives us in designing winning products for high-speed, high-density system interconnect."

              About PTC

              PTC (NASDAQ: PMTC) develops, markets, and supports software solutions that help manufacturers win with superior products.
              PTC is the world's largest software company with a total commitment to product development. The company services more than
              33,000 customers worldwide. Further information on PTC is available at http://www.ptc.com/.

              Except for the historical information contained herein, matters discussed in this news release may constitute forward-looking
              statements that involve risks and uncertainties that could cause actual results to differ materially from those projected. These risks
              and uncertainties include the ability of PTC and Hewlett Packard to conclude a definitive agreement and jointly develop software
              solutions that support the Linux open source operating system, PTC's effective coordination and management of joint activities
              (including sales, marketing, development, implementation and support) with third parties such as value added resellers and systems
              integrators to deliver those solutions across a diversified and expanded user, PTC's ability to compete successfully in the MCAD
              industry with design solutions that are capable of performing on a variety of platforms, as well as such other risks and uncertainties
              as are detailed from time to time in reports filed by PTC with the Securities and Exchange Commission, including PTC's most recent
              reports on Form 10-K and 10- Q.

              PTC and its logo, Products First, The Product Development Company, Product Development Means Business, Create Collaborate
              Control, Pro/ENGINEER, Windchill, Wildfire and all PTC product names and logos are trademarks or registered trademarks of
              Parametric Technology Corporation or its subsidiaries in the United States and in other countries. HP is a registered trademark of
              the Hewlett-Packard Company.

                 Investor Contact Information
                 Thomas Barth
                 781-370-5889
                 tbarth@ptc.com

                 Public Relations Contact Information
                 Maria Doyle
                 781-370-5508
                 madoyle@ptc.com