Advanced Switching Communications Inc. Files Registration Statement For Initial Public Offering.

Business Editors/High Tech Writers

VIENNA, Va.--(BUSINESS WIRE)--July 5, 2000

Advanced Switching Communications, Inc. (ASC), a provider of next-generation broadband access platforms, today announced that it has filed a registration statement with the Securities and Exchange Commission for an initial public offering of its common stock.

ASC develops and markets products that enable telecommunications service providers to deploy new broadband services.

All shares will be offered by the company. The proceeds of the offering are expected to be used for general corporate purposes, including expenditures for research and development and sales and marketing. Morgan Stanley Dean Witter is acting as lead manager and Chase H&Q and Robertson Stephens are acting as co-managers of the offering. When available, a copy of the written preliminary prospectus relating to these securities may be obtained from Morgan Stanley Dean Witter, 1585 Broadway, New York, NY 10036.

A registration statement relating to these securities has been filed with the Securities and Exchange Commission, but has not yet become effective. These securities may not be sold nor may offers to buy be accepted prior to the time the registration statement becomes effective. This press release shall not constitute an offer to sell or the solicitation of an offer to buy, nor shall there be any sale of these securities in any state in which such offer, solicitation or sale would be unlawful prior to their registration or qualification under the securities laws of any such state.