General Atomics Business Growth Prompts Move to PTC Pro/ENGINEER(R) Wildfire(TM) and Windchill(R)

- Leading Private Defense Contractor Gains End-to-End Control Over Programs

Dec 16, 2003, 00:00 ET from PTC

    NEEDHAM, Mass., Dec. 16 /PRNewswire-FirstCall/ -- PTC (Nasdaq:   PMTC) today
 announced that General Atomics, one of the world's leading resources for
 high-technology systems development specializing in diversified R&D in
 defense, energy and other advanced technologies, has signed a $1.4 million
 agreement with PTC.  The agreement was completed in PTC's Fiscal 2003 fourth
 quarter ended September 30, 2003.
     The agreement, involving General Atomics and several of its affiliated
 companies, including General Atomics Aeronautical Systems Inc. and General
 Atomics Electronic Systems Inc., provides for upgrading all Pro/ENGINEER seats
 to the new Flex3C Package as well as the purchase of new Flex3C seats and
 Windchill seats.  General Atomics also purchased additional Pro/ENGINEER
 modules including Pro/MECHANICA(R) and Pro/MANUFACTURING(TM).
     "The successes we have achieved with PTC solutions prompted us to
 standardize on Pro/ENGINEER," said John Rawls, Vice President, New Product
 Development at General Atomics. "As our business expands and we increase the
 number of designers and engineers on our projects, the collaborative
 capabilities of Pro/ENGINEER Wildfire will be a key factor in supporting our
     General Atomics' purchase was aided by the fact that the its engineering
 group program managers were very impressed with Windchill ProjectLink(TM), and
 the breadth of modules provided in the Flex3C Package. They also cited the
 ability of Windchill to manage every stage of program development as a key
     "Windchill allows us to give our customers, including the U.S. Navy,
 access to projects and the opportunity to provide input on key areas and at
 key points throughout the lifecycle of the program," said John Rawls.
     "General Atomics is a great example of how PTC's Product Development
 System can easily meet the ongoing needs of our customers," said Paul
 Cunningham, SVP of Sales for PTC. "It is helping to drive their business
 growth and success and we are delighted to be a part of that success."
     About General Atomics
     General Atomics, founded in 1955, specializes in diversified research,
 development, and manufacturing in defense, energy, and other advanced
 technologies. It is privately held. For more information about General Atomics
 and its sister companies, visit the company website at
     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 and product
 lifecycle management (PLM.)  The company services more than 35,000 customers
 worldwide.  Further information on PTC is available at or call 1-888-782-3776, ext. 901.
     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 PTC's ability to
 effectively deliver products and services across an expanded user base, the
 acceptance of Pro/ENGINEER Wildfire and our Windchill Link Solutions, our
 ability to migrate our customer base to an integrated product development
 system together with 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. The
 announcement of any particular sales order is not necessarily indicative of
 the timing of recognition of revenue from such order or the level of revenue
 for any particular period.
     PTC and its logo, The product Development Company, Pro/ENGINEER, Wildfire,
 Windchill, Windchill ProjectLink, MECHANICA 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.
      Investor Contact             Press Contact
      Meredith Mendola             Joe Gavaghan
      781-370-6151                 781-370-5074