Press Release

Zhone Technologies Conducts Search for Board and Audit Committee Replacement and Receives NASDAQ Deficiency Notice Relating to Audit Committee

Oakland, CA — March 4, 2010 — Zhone Technologies, Inc. (NASDAQ: ZHNE), a global leader in network access solutions, announced today that on March 2, 2010, Zhone received a notice of deficiency from The NASDAQ Stock Market (“NASDAQ”) indicating that it no longer complies with the independent audit committee requirements for continued listing on NASDAQ. Specifically, NASDAQ Listing Rule 5605 requires that the audit committee be comprised of at least three independent directors. As previously reported, Mr. Steven Levy resigned from Zhone’s Board of Directors and audit committee on February 12, 2010. Mr. Levy’s resignation reduced the audit committee from three independent directors to two. As a result, Zhone no longer complies with the audit committee requirement for continued listing on NASDAQ. However, NASDAQ has given Zhone a cure period to regain compliance until the earlier of Zhone’s next annual shareholders’ meeting or February 12, 2011, or if the next annual shareholders’ meeting is held before August 11, 2010, then Zhone must evidence compliance no later than August 11, 2010.
Zhone plans to conduct a thorough recruitment and evaluation process to find a suitable replacement prior to the end of the cure period. In the event Zhone does not regain compliance prior to the end of the cure period, NASDAQ will provide written notice to Zhone that its securities will be delisted. At that time, Zhone may appeal the delisting determination to a NASDAQ Hearings Panel.

About Zhone Technologies

Zhone Technologies, Inc. (NASDAQ: ZHNE) is a global leader in all IP multi-service access solutions, serving more than 750 of the world's most innovative network operators.

The IP Zhone is the only solution that enables service providers to build the network of the future…today, supporting end-to-end Voice, Data, Entertainment Social Media, Business, Mobile Backhaul and Mobility service.

Zhone is committed to building the fastest and highest quality All IP Multi-Service solution for its customers.

Zhone is headquartered in California and its products are manufactured in the USA in a facility that is emission, waste-water and CFC free.

Contacts:

Zhone Investor Relations
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Fax: +1 510-777-7001
Email: investor-relations@zhone.com
   Zhone Public Relations
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Email: aurora.arlet@edelman.com
     

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