eXcelon and Air Liquide Announce the Completion of FabNet, a Fully Customized Company Portal.

Business/Technology Editors

BURLINGTON, Mass.--(BUSINESS WIRE)--Oct. 31, 2001

Advanced Internet Portal Helps Strengthen Collaboration, Improve

Efficiencies And Increase Customer Satisfaction

eXcelon(TM) Corporation (Nasdaq:EXLN), a premier provider of industry focused technology and solutions that power the extensible enterprise, today announced that it has successfully completed the development of Air Liquide's FabNet(TM), a flexible solution that allows Air Liquide to enhance its services to semiconductor manufacturers. Drawing upon its vertical expertise in manufacturing, eXcelon provided a single point of access for Air Liquide customers and employees to conduct business over the Internet and obtain important operational information.

In the competitive semiconductor industry, FabNet provides differentiating levels of customer self-service and strategic advantage to Air Liquide by coupling Internet-based platforms with sophisticated back-end computer systems. Specifically, FabNet facilitates the daily communication between Air Liquide's on-site Total Gas and Chemical Management (TGCM) employees and its customer network by enabling the company's customers and employees to easily view billing and ordering, laboratory, and inventory management information. In addition to extending Air Liquide's customer focus, FabNet provides employees with central access to aggregated data from various source systems, allowing them to focus on supporting their customers' businesses and achieving greater customer satisfaction.

Leveraging field-tested strategies, technologies and business processes, eXcelon adapted the development process to Air Liquide's changing corporate and marketplace needs while completing delivery of the portal in only 32 weeks. "We specifically chose eXcelon because of their speed and ability to provide increased functionality without compromising quality," said Rich Jahr, Vice President, Air Liquide America Electronics. "It was extremely important for us to reach out to our customers in real-time to provide them with central access to the information they need to make timely business decisions. Through FabNet, we offer semiconductor manufacturers cost competitive solutions that enhance information access, reduce internal costs and improve their ability to service customers."

"We've appreciated the opportunity to help a market leader like Air Liquide improve its business and technology performance," said Joe Bellini, CEO, eXcelon. "By leveraging the power of a global collaborative process for conducting business over the Internet, FabNet is another demonstration of how Air Liquide remains the world-class supplier of gas, gas and chemical equipment and related services in a competitive market."

About eXcelon

eXcelon is a leading provider of value-driven industry solutions and technology that enable effective business processes in ever-changing marketplaces. eXcelon's newest products are its vertical industry Business Excelerators and the eXcelon Platform, a fully integrated, mature technology that provides low adoption risk, native XML, and high performance. The eXcelon Platform includes Stylus Studio, a complete integrated environment for rapid applications development; Extensible Information Server (XIS), the first native XML caching and content delivery system; and Business Process Manager (BPM), a second-generation XML-based business process engine for modeling and executing highly collaborative business processes that span inside and outside the enterprise. eXcelon also provides RAPID Value(TM) Diagnostic and Delivery services, as well as world class executive education and technology training.

Object Design, a division of eXcelon Corp., is a leading provider of native C++ and Java data management solutions. Object Design develops and markets the ObjectStore(R) database management system and related products including Javlin and PSE Pro and Real Time Event Engine (RTEE). The data management products are used by over 4,000 customers in the telecommunications, financial services and e-business markets, and by Independent Software Vendors (ISVs). For additional Object Design product and services information visit www.objectdesign.com.

Headquartered in Burlington, MA, eXcelon Corporation is traded on The Nasdaq Stock Market(sm) under the symbol EXLN. eXcelon markets its solutions worldwide through value-added resellers, system integrators, consulting firms, OEM licensees and direct sales channels. For more information, please visit the eXcelon Web site at www.exceloncorp.com.

About Air Liquide

Air Liquide is a global provider of industrial and medical gases and related services. By staying at the vanguard of technological leadership, Air Liquide provides its customers all over the world with new products, services and solutions. Founded in 1902, Air Liquide has 125 subsidiaries in 60 countries and employs more than 30,000 people. Total sales in 2000 totaled 8.1 billion euros with sales outside of France accounting for 77%. Air Liquide is listed on the Paris Stock Exchange and is a member of the CAC 40 Index (Euroclear 12 007).

For more information, contact Air Liquide America Corporation at 1-800-820-2522 or at www.airliquide.com.

"Safe Harbor" Statement under the Private Securities Litigation Reform Act of 1995

Statements in this press release that do not relate to historical facts are forward-looking statements. Such statements are not guarantees of future performance, and are subject to substantial risks and uncertainties and involve assumptions that could cause the future results of eXcelon to differ materially from those expressed in any forward-looking statements. eXcelon disclaims any intent or obligation to update publicly any forward-looking statements whether in response to new information, future events or otherwise.

Important factors that could cause our actual results to differ from these forward-looking statements include the risk that the businesses of eXcelon and C-bridge Internet Solutions, Inc., which was merged with eXcelon on September 19, 2001, will not be integrated successfully; costs related to the merger of eXcelon and C-bridge; the possibility that the recent restructuring of our business operations, as well as any additional restructuring initiatives, may not produce improvements in our operating results; the risk that our common stock may not continue to trade on the Nasdaq National Market; market demand for XML-based products; the risk that our revenues will not grow rapidly enough to offset increased expenditures that we are incurring to develop and market our new XML-based products; the fact that a significant portion of the combined company's revenues to date have been derived from sales of eXcelon's Object Design data management products, the market for which is stable or declining; the profitability of our Internet professional services contracts; our ability to retain existing Internet professional services clients and attract new clients; the possibility that we may be unable to keep pace with the rapid technological change and intense competition that characterize our markets; the occurrence of any failure of the Internet; the continued improvement of security on the Internet; general economic and industry conditions; factors described under the heading "Risk Factors" in our Registration Statement on Form S-4 relating to the merger, as filed with the Securities and Exchange Commission on August 17, 2001; and other factors described under the heading "Certain Factors that May Affect Future Results" in our Annual Report on Form 10-K for the year ended December 31, 2000, as amended, as filed with the Securities and Exchange Commission as well as factors described under the heading "Risk Factors" in C-bridge's Annual Report on Form 10-K for the year ended December 31, 2000, as amended, as filed with the Securities and Exchange Commission.

NOTE: C-bridge, Object Design and ObjectStore are registered trademarks of eXcelon Corporation. eXcelon, EXLN, Xpress, eXcelon Portal Server, eXcelon Integration Server, eXcelon eSolutions, Stylus, Cache-Forward, and Javlin are trademarks of eXcelon Corporation. All other trademarks are the property of their respective owners.