SAN JOSE, Calif., May 5, 2003—WebEx Communications, Inc. (Nasdaq: WEBX), the Web communications leader, has signed an agreement with Australian telecommunications giant Telstra (ASX: TLS) to provide Web meeting services for Telstra’s 10 million customers. By combining the Web communications capabilities of the WebEx MediaTone Network with Telstra’s teleconferencing services, Telstra is able to offer its millions of customers a fully integrated Web communications service that simulates the spontaneity and productivity of face-to-face meetings. With more than 7,000 corporate customers and agreements with the world’s largest telecommunications companies, WebEx is the leading provider of Web communications services.

“Because WebEx adds the critical visual element to remote communications, it allows our customers to cost-effectively expand the reach of their businesses to the global market,” said John Davison, general manager of Telstra Conferencing. “WebEx meetings are a productive way to communicate with associates and customers, either across Australia or around the world. We selected WebEx as an outcome of an extensive analysis of the Web conferencing market. We view WebEx as best suited to support the many needs and demands of a telecommunications company and its customers.”

“As one of the world’s most progressive telecommunications providers, Telstra is quick to identify and integrate the communications technologies that drive business,” said Subrah Iyar, CEO of WebEx Communications. “With Telstra’s 10 million customers and its leading position in the corporate market, Telstra is uniquely positioned to deliver WebEx services to the Australian market.”

WebEx provides a range of communications services to corporations, technology companies and telecommunications providers worldwide. Departments across the enterprise use WebEx’s services to reduce travel costs, increase sales and improve productivity. All of WebEx services are built on the WebEx’s MediaTone communications platform and supported by WebEx MediaTone Network, a high-performance network specifically designed for visual Web communications. WebEx is the only company to develop and deploy a high-speed global network specifically designed for Web communications.

“By combining the quality and reliability of Telstra’s services with the scalability and flexibility of WebEx’s communications platform, Telstra has created a world-class business communications offering,” said Kevin Mackin, general manager of WebEx Communications, Australia. “The vast size, geographically distant business centers and expensive air travel makes WebEx meetings perfect for Australian businesses.”

About Telstra Corporation Limited

Telstra is Australia's leading telecommunications carrier and a world-class fully integrated, full service provider across wireline, ADSL, HFC, satellite and digital wireless networks and platforms. Telstra has more than 10 million household, business and wholesale customers. Telstra is Australia's leading ISP, has the most highly accessed family of Internet portals and sites and provides entertainment and multimedia content over its broadband network and through its Pay-TV joint venture.

Telstra owns and operates one of the most technologically advanced networks, offering end-to-end solutions ranging from broadband, IP, mobile and intelligent network services, to voice and data network hubs, call centers, and advanced multimedia and e-commerce applications. It has business operations in North America, UK/Europe and the Asia-Pacific region.

A top tier global carrier with total 2000/01 revenue of A$23.1 billion (US$11.8 billion), Telstra placed 112th in Business Week's 2001 Global 1000 ranking of the world's most valuable companies by market value.

About WebEx Communications, Inc.

WebEx Communications, Inc., (Nasdaq: WEBX) is the world’s leading provider of Web communications services. WebEx services are used across the enterprise in sales, support, training, marketing, engineering and product design. WebEx provides carrier-class services using its MediaTone communications platform deployed over the WebEx MediaTone Network, a high-speed global network specifically designed for real-time Web communications. With its unique information-switching technology, multimedia capabilities and standards-based APIs, MediaTone is the dial tone for Web communications. WebEx Communications is based in San Jose, California and has regional headquarters in Europe and Asia. Please call toll free (877) 509-3239 or visit http://www.webex.com for more information.

This press release contains forward-looking statements within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended. These forward-looking statements may be identified by use of the terms anticipates, believes, continue, could, estimates, expects, intends, may, plans, potential, predicts, should or will, or the negative of those terms or similar expressions. These forward-looking statements are subject to significant risks and uncertainties. Actual results may differ materially from those described in such statements as a result of these risks and uncertainties. In particular, these forward looking statements include, but are not limited to, statements that WebEx’s services improve communications in areas such as sales, marketing, training, support, product design, engineering and partner management. Factors which could contribute to risks and uncertainties include, but are not limited to, the failure of customers to utilize the WebEx services effectively in their business and failures and interruptions in the software and systems underlying WebEx's services. A fuller discussion of the risks and uncertainties that could affect WebEx Communications, Inc. are more fully set forth in WebEx Communications, Inc.’s filings with the Securities and Exchange Commission, including WebEx’s Form 10-K, filed with the SEC on March 27, 2003. WebEx Communications, Inc. assumes no obligation to update forward-looking information contained in this press release.