PTC (ticker: PMTC, exchange: NASDAQ Global Market (.O)) News Release - 2/26/2001

Zweave, Inc. Selects PTC to Provide Design Project Collaboration Solution

Virtual Design Studio Empowers Fashion Designers

NEEDHAM, Mass., February 26, 2001 - PTC (Nasdaq: PMTC), the product development company, today announced that it has reached an agreement with Zweave, Inc., the first collaborative product commerce platform for the apparel industry, to use PTC's software and implementation services. The Windchill ProjectLink solution (see related release today http://www.ptc.com) allows Zweave to offer its fashion design clients quick and efficient access to PTC's industry leading collaborative product commerce solutions. The software was shipped during PTC's second fiscal quarter (ending March 31, 2001).

Zweave, headquartered in New York City, is a technology-based services provider for the global fashion, apparel and soft goods industries providing product development collaboration capabilities to organizations in the fashion industry. With this agreement, Zweave customers, which include fashion designers, retailers and manufacturers, will use Windchill ProjectLink to collaborate with its matrix of business partners in pre-production activities, thereby shortening design cycles and improving the management of time-critical communications between trading partners.

"The product development segment of the Fashion industry is complex. Our vision is to allow leaders in design to create products with their partners using technologies never before used in our industry. Our partnership with PTC will define new levels of rich collaboration among trading partners," said Laura McCann, chief executive officer, Zweave, Inc.

"Our goal is to allow designers and their global trading partners to use browser based state of the art communication tools to bring together a globally dispersed value chain. This will allow users to spend more time in the creative stage," said David Buck, chief technology officer, Zweave, Inc. "PTC's Windchill ProjectLink will help our clients simplify the process of designing and delivering fashions for the demanding monthly and seasonal product lines."

"PTC is committed to providing solutions that allow organizations, like Zweave, to offer value-added services that empower their customers to collaborate on highly iterative design projects," said James Heppelmann, executive vice president and general manager, Windchill Solutions, PTC. "We are excited to be providing our solutions to the fashion industry for the first time."

About PTC
PTC (Nasdaq: PMTC) develops, markets, and supports software solutions that help manufacturers get superior products to market before their competitors. PTC is the world's largest software company with a total commitment to product development. The company services more than 30,000 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 PTC's ability to anticipate and adequately respond to evolving customer requirements; successfully develop and integrate the technology necessary to offer exchange solutions; and effectively coordinate and manage joint activities (including sales, marketing, development, implementation and support) in order to deliver products and services that meet those requirements, together with such other risks and uncertainties as are detailed 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-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, The Product Development Company, Windchill and Windchill ProjectLink, 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. Names of products from other vendors mentioned in this document may be trademarks or registered trademarks of their respective owners.