Press Release

- MAXLink(TM) and FLXLink(TM) Systems Enable Reliable Delivery of

           More Video, Voice and Data Services to the Home -

ATLANTA--(BUSINESS WIRE)--Oct. 24, 2007--Harmonic Inc. (NASDAQ:HLIT) today announced that ComSpan Communications, a telecommunications service provider in Oregon, has deployed Harmonic's fiber to the premises (FTTP) video overlay and IP transport solutions for its Triple Play Communications Network. Using the Harmonic solutions, which include MAXLink(TM) transmitters and amplifiers as well as FLXLink(TM) network interface units (NIU), ComSpan can offer more bandwidth to the home for video, voice and data services. ComSpan Communications is part of the LTS Group of Companies, a group which provides a full range of services in the telecommunications, utilities and industrial sectors.

Harmonic's FTTP solution is a RF video overlay system for a passive optical network (PON) architecture that encompasses broadcast transmitters, optical amplifiers and a range of optical passive components. Harmonic's FLXLink 1-Gbps and T1 NIUs are also utilized to distribute IP services across the network using the same fiber. The reliable solution supports dedicated and higher capacity transport for the expansion of video, voice and data services to ComSpan Communications' subscribers.

"With this implementation we can offer higher-speed Internet, voice and an expanded portfolio of video channels to customers in rural communities where broadband access is not otherwise readily available," said Todd Richard, Vice President and Chief Technical Officer, LTS Group of Companies. "Harmonic's high performance RF overlay and IP transport solutions allow us to use a fiber-based transport architecture to improve bandwidth capacity for these advanced services."

"Harmonic is focused on working with operators around the world to generate new revenues and enhance their service offerings," said Wayne Cousineau, Sales Director, North American Telco at Harmonic Inc. "Our broadband access solutions, which include FTTP, HFC and IP-based transport systems, offer higher reliability and performance for a variety of video, voice and data applications. The deployment at ComSpan Communications is an example of how regional telco operators can utilize a RF overlay and our FLXLink IP-based transport solutions to deliver a high quality triple play service."

Harmonic's full range of flexible fiber-based transmission solutions also includes PWRBlazer(TM) nodes, analog/digital return path and scalable DWDM digital transport systems. Using advanced technology that leverages the operator's existing outside plant and minimizes operating costs, Harmonic's broadband network solutions deliver a wide range of residential and business services for leading operators around the world.

About LTS Group of Companies/ComSpan Communications Inc.

The LTS Group of Companies, headquartered in San Diego, CA, provides a full range of services throughout North America to the telecommunications, utilities and industrial sectors. The range of services includes field and central office maintenance, electronics installation and construction management, engineering, permitting, design and construction. The LTS Group of Companies is also uniquely positioned to provide full service, single source, turnkey deployments of FTTP networks. ComSpan Communications Inc., a company that is part of the LTS Group of Companies, is a community-based CLEC service provider offering fiber-optic based triple play services to rural communities in Southern and Coastal Oregon.

About Harmonic Inc.

Harmonic Inc. is a leading provider of versatile and high performance video solutions that enable service providers to efficiently deliver the next generation of broadcast and on-demand services including high definition, video-on-demand, network personal video recording and time-shifted TV. Cable, satellite, broadcast and telecom service providers can utilize Harmonic's digital video, broadband optical access and software solutions to offer consumers the compelling and personalized viewing experience.

Harmonic (NASDAQ:HLIT) is headquartered in Sunnyvale, California with R&D, sales and system integration centers worldwide. The Company's customers, including many of the world's largest communications providers, deliver services in virtually every country. Visit www.harmonicinc.com for more information.

This press release contains forward-looking statements within the meaning of Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934, including statements related to Harmonic's beliefs that its solutions will support dedicated and higher capacity transport for the expansion of video, voice and data services to ComSpan Communications' subscribers, and that it will allow ComSpan Communications to offer more bandwidth to the home for video, voice and data services. Our expectations and beliefs regarding this matter may not materialize. The forward-looking statements contained in this press release are also subject to risks and uncertainties, including those more fully described in Harmonic's filings with the Securities and Exchange Commission, including its annual report on Form 10-K, its quarterly reports on Form 10-Q and its current reports on Form 8-K. Harmonic does not undertake to update any forward-looking statements.

EDITOR'S NOTE - Product and company names used herein are trademarks or registered trademarks of their respective owners.

    CONTACT: Harmonic
             Sarah Lum, +1-408-543-2392 (Media Relations)
             sarah.lum@harmonicinc.com
             or
             StreetConnect
             Michael Newman, +1-408-542-2760 (Investor Relations)
             hlit@stct.com

    SOURCE: Harmonic Inc.