Press Release

Nominated for Three IPTV World Series Awards in Best IPTV Headend

Technology, Content Protection and Distribution Categories

SUNNYVALE, Calif.--(BUSINESS WIRE)--Feb. 27, 2007--At the IPTV World Forum booth #134, Harmonic Inc. (NASDAQ:HLIT) will feature its latest generation DiviCom(R) Electra(TM) 7000 high definition (HD) MPEG-4 AVC (H.264) encoder demonstrating superior HD picture quality at ultra-low bit-rates. On-demand systems including the Armada(R) intelligent asset manager and StreamLiner(R) network video recorder -- the world's most deployed telco/IPTV video-on-demand (VOD) solution -- will also be on display. In addition, Harmonic's best-in-class digital video products have been honored as finalists in three of the five categories for the inaugural IPTV World Series Awards to be presented at this year's event, taking place March 5-7 in London.

The Electra 7000 HD H.264 encoder is nominated for the Best IPTV Headend and Video Processing Technology award, while Armada is short listed in the Best IPTV Distribution/Transport/Delivery category. Harmonic's ProStream(TM) 1000 stream processing platform with ProCipher(TM) scrambling technology has been selected as a finalist for Best IPTV Content Protection/Rights Management Solution.

"Harmonic's leadership in IP-based stream processing and on-demand solutions enables telcos around the world to deliver the highest quality video service and optimize the DSL-based infrastructure," said Thierry Fautier, Director of Telco Solutions at Harmonic Inc. "Our comprehensive on-demand solution portfolio includes highly scalable and flexible products for real-time and offline content creation, ingest, distributed asset management and delivery. The Harmonic solutions make it possible for IPTV service providers to provide VOD and other revenue-generating on-demand services such as network PVR and time-shifted television while also minimizing costs, maximizing service availability and seamlessly adjusting to rapidly changing consumer preferences."

Harmonic's market-leading video compression, stream processing and delivery solutions have been deployed by a majority of the world's top tier IPTV service providers, including CanalSatellite (serving the France Telecom, Neuf-Cegetel and Free IPTV networks), PCCW (Hong Kong), SingTel (Singapore) T-Com Germany (Deutsche Telekom), T-Online France, and Telekom Austria.

In addition to exhibiting at the IPTV World Forum, Harmonic will also participate in two sessions at the conference. David Price, Vice President of Business Development and Marketing Communications, will discuss "Second-Generation HD: A Real Opportunity for IPTV Operators" at 11:40 A.M. GMT on March 6 and serve as a panelist on the session "From Vision to Reality: Making the 'Real' Digital Home Work" to be held at 10:00 A.M. on March 7.

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 increase revenues and lower operational expenditures by using Harmonic's digital video, broadband optical access and software solutions to offer consumers the compelling and personalized viewing experience that is driving the business models of the future.

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.

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

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

    SOURCE: Harmonic Inc.