The eLearning Guild Survey Reconfirms Centra as the Leader in Synchronous eLearning

March 13, 2003

LEXINGTON, Mass. (March 13, 2003) – Centra (NASDAQ: CTRA), the leading provider of software and services for real-time enterprise collaboration, today announced that a study published by the eLearning Guild reconfirms Centra’s rank as the industry leader in synchronous eLearning solutions. For the second year in a row, Centra was selected and rated the top synchronous vendor based on usage, with 50.9% of members surveyed using Centra for synchronous learning, up from 40.1% in the 2001 survey. In addition, when eLearning Guild members were asked which system was generally the best system for meeting their overall objectives, 35.2% of members selected Centra, ahead of the next provider at 22%, and with a 6% increase over the results from the 2001 survey.

The eLearning Guild is a Community of Practice for designers, developers, and managers of eLearning. Through this member-driven community the Guild provides high-quality learning opportunities, networking services, resources, and publications. The eLearning Guild community, which includes over 6,900 members and associates, represents a diverse group of instructional designers, content developers, web developers, project managers, contractors, consultants, and managers and directors of training and learning services who work in corporate, government, and academic organizations. All members share a common interest in eLearning design, development, and management. Details about the survey, the survey methodology, and the eLearning Guild can be found at www.elearningguild.com.

Commenting on the survey results, Leon Navickas, Centra’s founder and CEO said, “We are pleased that we can count so many eLearning Guild members as part of the Centra family. We will continue to offer products that perform to the highest standards, helping our customers achieve tangible business results while reducing costs. Synchronous eLearning is one of the leading applications for real-time enterprise collaboration technology as evidenced by the millions of people who have incorporated it into their daily business routine. What better way to improve productivity than finding ways to optimize employees’ intellectual capital and expertise.”

Scalable Software Solution for Enterprise Collaboration Centra’s secure and scalable enterprise application provides collaboration solutions for sales, marketing, human resources, information technology, and other departments across the enterprise that need to take advantage of more efficient and cost-effective business communication over the Web.

CentraOne(tm) brings together voice, video, data, and graphics in easy-to-use interfaces for Web conferencing, meetings, and virtual classrooms that can be deployed onsite or accessed through a secure ASP, leveraging Centra’s global network of servers. Centra integrates with existing infrastructure to help organizations align enterprise IT strategies with key business processes to enhance productivity, lower costs, and drive revenue. Centra’s solutions are available in 13 language editions and in 29 countries worldwide.

About Centra

Leading with an undisputed track record of helping more than 3 million licensed users to increase revenue and improve overall business performance, Centra enables global corporations, government agencies, and universities to drive greater productivity and lower costs through the industry’s most extensible application software for real-time enterprise collaboration. Today more than 1000 organizations across every industry and market sector choose Centra, including Cadbury Schweppes, Citigroup, AT&T, Procter & Gamble, McKesson, Nationwide Insurance, Sysco, and Stanford University. Centra’s products are bolstered by a vital ecosystem of strategic partners, including Deloitte Consulting, EDS, Microsoft, Siebel, Cisco, and Oracle. Headquartered in Boston, Centra services 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

CentraOne(tm) collaboration platform and its other current and future products, the effect of economic conditions, the impact of competitive products and pricing, the Company’s ability to manage and integrate the operation of the business of MindLever.com, Inc., acquired on April 30, 2001, 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, and CentraOne is a trademark of Centra Software, Inc.




Sharon Dratch

Centra

Tel: 781-994-1151

sdratch@centra.com

Centra Software, Inc. 430 Bedford Street, Lexington, MA 02420 * http://www.centra.com

phone 781-861-7000 * fax 781-863-7288