PRESS RELEASES

Integral Access Raises $45 Million in Financing to Extend Leadership in IP Integrated Access Market

Bill Cadogan, Former Chairman and CEO of ADC, Joins Board of Directors

Chelmsford, Mass. - July 19, 2001 - Integral Access®, Inc., the intelligent MPLS access company, today announced that it has secured $45 million in a fourth round of financing. Integral Access will use the funds for sales, marketing, R&D, international expansion, and customer support for the PurePacket™ telecommunications access platform, which uses Internet-style packet technology to enable carriers to deliver voice and broadband video/data services over a single line. The funding was led by Technology Crossover Ventures (TCV), and supported by early round investors including Ascent Venture Partners, Coral Ventures, Prism Venture Partners, and St. Paul Venture Capital. The company also announced today that Bill Cadogan of St. Paul Venture Capital, and Rick Kimball of Technology Crossover Ventures, have been appointed to its Board of Directors.

"Integral Access has delivered the first and only broadband access solution that allows carriers to provide all services-- voice, video, and data -- in IP format over a single and very cost-efficient network," said Rick Kimball, Founding General Partner, Technology Crossover Ventures. "The company's products not only increase revenue on existing networks and simplify the creation of new services, but also enable carriers to migrate from circuit to packet technology. We are very excited about the company's prospects."

Mr. Cadogan, former Chairman and CEO of ADC, has also served as Chairman of the Telecommunications Industry Association, and spent 15 years with AT&T. He brings deep industry expertise and strategic relationships to the Integral Access Board.

"Our ability to raise additional funding in the current economic climate is a powerful validation of our company and products," said Jack Cicon, president and CEO, Integral Access. "This new round of funding, and the addition of industry veterans Bill Cadogan and Rick Kimball to our Board, provide the financial and strategic business resources we need to maintain the growth and development of Integral Access.

PurePacket Overview

The PurePacket integrated access system enables carriers to deliver all services over a single network using virtually any transport media including copper pairs, xDSL, leased lines, and Fiber links. It is the first and only 100 percent packet-based solution that uses an MPLS-based fabric to guarantee service level agreements. PurePacket is composed of PurePacketOUTburst® customer premise Integrated Access Devices (IADs); PurePacketNode™ carrier network Multi Service Devices for central offices, co-locations, and points of presence; PurePacketCompact™ for multi-dwelling/multi-tenant units (MDU/MTU); and the PurePacketOMS™ for network/element control and services management.

About Integral Access

Integral Access, Inc. provides multi-service packet-based access systems that enable carriers to offer differentiated services and combine voice/data on new generation IP-based networks, as well as traditional circuit switched infrastructures. The company's products are deployed by carriers in North America and Europe. Integral Access is based in Chelmsford, Massachusetts and is privately held. To contact Integral Access call +1-978-256-8833, visit us on the Web at http://www.integralaccess.com, or write to info@integralaccess.com.

Note to editors: PurePacket, PurePacketNode, PurePacketCompact, and PurePacketOMS are trademarks of Integral Access, Inc. OUTburst, Integral Access, and the Integral Access logo are registered trademarks of Integral Access, Inc.

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