ADVISORY/Zhone Technologies to Address the Benefits of Converged Networks At SUPERnet 2001.

--(BUSINESS WIRE)

ADVISORY...for Monday (Jan. 15)

      WHO & WHAT:

      Eric Presworsky, associate vice president of product strategy at
    Zhone Technologies -- the first company dedicated to building
    comprehensive delivery solutions for voice, data, video, and
    content services -- will be speaking at SUPERnet 2001, the first
    trade show of the year highlighting the industry's most innovative
    technologies. The show is taking place January 14-17, 2001, at the
    Santa Clara Convention Center, Santa Clara, Calif. Mr.
    Presworsky's presentation is titled "The Secret to a Converged
    Network." The session takes place January 15, 2001 from 2:00-3:30
    PM, and includes panel members Christopher J. Rust, Partner,
    Sequoia Capital, and Tony Shakib, vice president and general
    manager of the Broadband Access Business Unit (formerly Promatory
    Communications), Nortel Networks.

      WHERE & WHEN:

    SUPERnet 2001
    Panel Session M19C: Converged Voice and Data Network Services
    Presentation: "The Secret to a Converged Network."
    Santa Clara Convention Center, Santa Clara, California
    Monday, January 15, 2001; 2:00-3:30 PM PST
BACKGROUND:

About Zhone Technologies, Inc. (Zhone)

Zhone's strategy combines existing solutions with Zhone's internally developed intellectual property to create a portfolio of scalable next-generation network products supporting a rich array of voice, video, Internet, and entertainment services. The company was founded by the senior management team that grew telecommunications pioneer Ascend Communications, Inc., from its startup roots to the multi-billion-dollar company acquired by Lucent Technologies (NYSE:LU) in September 1999. Zhone's advanced networking solutions include the Single Line Multi-Service architecture (SLMS(TM)), Zhone Management System (ZMS(TM)), Broadband Access Node (BAN(TM)), Sechtor(TM) universal voice gateway, and Z-Edge(TM) access products.

For more information about Zhone and its products, please visit the Zhone Web site at www.Zhone.com or e-mail [e-mail].

Note to Editors: Zhone, the Zhone logo, and all Zhone product names are trademarks of Zhone Technologies, Inc. Other brand and product names are trademarks of their respective holders. Specifications, products, and/or product names are all subject to change without notice.