Centra Selects Ikonnet for Strategic Partnership Serving the Chinese Market; China Seen as a Potentially Significant Growth Opportunity for Centra.

Business Editors/High-Tech Writers

WASHINGTON--(BUSINESS WIRE)--Sept. 10, 2003

To meet accelerating demand for Web-based meeting services in Asia, Centra Software, Inc. (NASDAQ: CTRA), a leading provider of application software and services for real-time enterprise collaboration (RTEC), today announced at the Conferencing4Business Conference and Exhibition that Ikonnet Technologies, in partnership with AsiaCorp Communications, Inc., will provide a new Internet-based online meeting service based on technology from Centra. Branded Himeeting, the service is specially designed to provide distance meeting and training services for multinational companies operating in China, local Chinese companies and educational institutions. Delivered through a secure ASP service, users can attend a meeting from the convenience of their desktop at anytime by simply accessing the Himeeting service homepage. Uni-President Enterprises Corp., a leading multinational foods company with revenues of over $9 billion a year has already subscribed to the service. In addition to setting up Centra's ASP service in China, Ikonnet will resell on-premises licenses of Centra 7.

"The demand we have seen in the last year proves that Asia represents a valuable market opportunity for our Web meeting services. Our partnership with Ikonnet will allow us to provide a product that meets the needs of the exploding Chinese market," stated Paul Daly, senior vice president of Worldwide Sales and Marketing, Centra.

About Ikonnet Technologies

Ikonnet Technologies is a leading eLearning solution provider in China and Taiwan. Ikonnet's solutions utilize multimedia and networking technology to provide a wide range of products and services. Their best selling "high class" system has been deployed in more than 15,000 computer rooms worldwide, enabling a better learning and training experience. Other solutions include video streaming, live network broadcasting, presentation generation and more. With a focus on eLearning, Ikonnet Technologies transfers technologies, expertise and know-how to help companies build the best eLearning system for their organization. For more information, visit www.ikonnet.com.

About Centra

Leading with a proven track record of helping approximately 1,200 organizations increase revenue and improve business performance, Centra offers enterprise application software that enables organizations to deliver real-time communication, collaboration and learning across the extended enterprise. Centra offers solutions that deliver enhanced integration of real-time collaboration capabilities with departmental business processes, such as sales and marketing, and virtual teamwork. Available in 14 languages, Centra applications can be deployed as on-site software or through our ASP service and are supported by an active ecosystem of value-added partners, including Microsoft, Oracle, Siebel, Deloitte Consulting, EDS and Cisco. Organizations across every major industry and market sector choose Centra, including Cadbury Schweppes, McKesson, Sysco, Viacom and Stanford University. Headquartered in Lexington, Massachusetts, Centra serves a worldwide customer base throughout the Americas, Europe, Asia and Australia. For more information, visit www.centra.com.

Safe Harbor Statement

With the exception of the historical information contained in this release, the matters described herein may contain forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995, including but not limited to, statements concerning management's expectations regarding future results of operations, and statements that involve risk and uncertainties that may individually or mutually impact the matters herein, and cause actual results, events and performance to differ materially. Without limiting the foregoing, the words "believes," "plans," "expects," "anticipates" and similar expressions are intended to identify forward-looking statements. There are a number of important risk factors that could cause our results to differ materially from those indicated by such forward-looking statements. These risk factors include, but are not limited to, technological difficulties, the results of future research, uncertainty of product demand and market acceptance for the Company's Centra 7 collaboration platform and its other current and future products, the effect of economic conditions, the impact of competitive products and pricing and/or other factors outside the control of the Company, which are detailed from time to time in the Company's filings with the SEC, which are available at www.centra.com/investorrelations. Readers are cautioned not to place undue reliance on these forward-looking statements, which speak only as of the date hereof. The Company undertakes no obligation to release publicly the result of any revisions to these forward-looking statements that may be made to reflect events or circumstances after the date hereof or to reflect the occurrence of unanticipated events.

Centra is a registered trademark of Centra Software, Inc. All other trademarks and service marks referenced herein are the property of their respective owners.