SAN JOSE, Calif. and VANCOUVER, B.C., March 13, 2003—WebEx Communications, Inc. (NASDAQ: WEBX), the Web communications services leader, and TELUS Corp. (TSX: T, T.A; NYSE: TU), one of Canada’s largest telecommunications companies, have teamed to provide WebEx meeting services to the Canadian market. By combining the multimedia Web communications capabilities of the WebEx MediaTone™ Network with TELUS’ world-class teleconferencing, TELUS is able to offer its millions of customers a fully integrated Web communications service that simulates the full spontaneity and productivity of face-to-face meetings. With more than 7,000 corporate customers and agreements with the world’s leading telecommunications companies, WebEx is the world’s leading provider of Web communications services.

The new service, called TELUS Web Conferencing, leverages advanced data and video communications capabilities of the WebEx MediaTone™ Network, the only global network specifically designed for high-speed Web communications. WebEx’s services improve communications in areas such as sales, marketing, training, support, product design, engineering and partner management. TELUS Web Conferencing does not require any hardware investment or software implementation, just a browser and a network connection. It integrates with TELUS’ audio conferencing to deliver a complete solution to businesses across Canada. TELUS will offer businesses their first meeting at no charge for up to four attendees. For detailed information about TELUS Web Conferencing, go to www.telus.com/trywebconferencing.

“Teleconference meetings have become a standard part of business communications because they dramatically reduce travel costs and improve interaction with customers and partners around the world,” said John Maduri, president of TELUS Business Solutions. “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. We selected WebEx because it is the only company with a global network and a scalable service designed to support our customers’ international Web communications needs.”

“WebEx meetings are a critical extension of communications services for telecommunications providers,” said Rob Farris, vice president of Worldwide Sales at WebEx Communications. “WebEx is the leading provider in this expanding market and we are proud of our strategic relationships with the world’s telecommunications leaders like TELUS.”

WebEx provides Web communications services to corporations, technology companies and telecommunications providers worldwide. All of WebEx’s services are built on the MediaTone communications platform and delivered through the WebEx MediaTone Network, the only global network designed and deployed for real-time Web communications. MediaTone’s advanced data-switching architecture allows the WebEx network to manage complex media types, deliver advanced communications functionality, support a range of devices and platforms, and provide a superior level of performance, reliability and security.

About TELUS Corp.

TELUS (TSX: T, T.A; NYSE: TU) is the largest telecommunications company in Western Canada and the second largest in the country. The company provides subscribers with a full range of telecommunications products and services including data, Internet Protocol, voice and TELUS Mobility wireless services across Canada. TELUS is a premier founding supporter of Canada's bid to host the 2010 Olympic Winter Games and Paralympic Winter Games in Vancouver and Whistler. For more information, visit www.telus.com

About WebEx Communications, Inc.

WebEx Communications, Inc. is the world’s leading provider of Web communications services. WebEx is 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 and that MediaTone’s advanced switching architecture provides a superior level of performance reliability and security.. 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 28, 2002 and Form 10-Q filed on November 14, 2002. WebEx Communications, Inc. assumes no obligation to update forward-looking information contained in this press release.