Press Release

Zhone Technologies to Present at 12th Annual Needham Growth Conference

Oakland, CA — December 28, 2009 — Zhone Technologies, Inc. (NASDAQ: ZHNE), a global leader in network access solutions, announced today that Chairman and Chief Executive Officer Mory Ejabat will present at the 12th Annual Needham & Company, LLC Growth Conference on Wednesday, January 13, 2010 from 3:50 to 4:30 pm EST in New York at the New York Palace Hotel. Zhone will conduct a live webcast of the presentation. To access the webcast over the internet, please go to http://www.zhone.com/investors/. Rebroadcast of the presentation will be available shortly after the conclusion of the session and can be accessed over the internet at http://www.zhone.com/investors/.

About Zhone Technologies — Access for a Converging World

Zhone Technologies, Inc. (NASDAQ: ZHNE) is a global leader in multi-service access solutions, serving more than 700 of the world's most innovative network operators. The company offers the industry's only fully-integrated portfolio of MSAP, FTTx, EFM and Wi-Fi access technologies, improving network agility and reducing the costs of delivering the full spectrum of access services, including residential and business broadband, VoIP, and High-Definition IPTV — over copper, fiber, and wireless. Zhone is headquartered in California, and its MSAP products are all manufactured in the USA, in a facility that is emission, waste-water, and CFC free.

Contacts:

Zhone Investor Relations
Tel: +1 510-777-7013
Fax: +1 510-777-7001
Email: investor-relations@zhone.com
   Zhone Public Relations
Tel : +1 404-460-8578
Email: aurora.arlet@edelman.com
     

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