HARMONIC and its RHOZET™ business unit honored with three CABLE & SATELLITE INTERNATIONAL PRODUCT of the YEAR awards and a coveted IBC INNOVATION award

arket-Leading Rhozet Carbon Coder, Electra 7000 HD H.264 Encoder and PWRLink Transmitter Recognized for Technical Excellence

Sunnyvale, Calif. — Harmonic Inc. (NASDAQ: HLIT) today announced that three Harmonic products have been awarded the 2008 Cable & Satellite International Product of the Year Awards and an IBC Innovation Award for Content Delivery. The CSI Awards are one of the most comprehensive and competitive technology awards in the industry, designed to reward technical and product marketing excellence in the cable, satellite, terrestrial broadcasting and telco TV sectors. The CSI and IBC Innovation Award winners were announced at the IBC 2008 exhibition in Amsterdam, The Netherlands, on Saturday, September 13.

Harmonic’s CSI Award-winning products are:

* Best HDTV technology or project – DiviCom Electra 7000 HD MPEG-4 AVC (H.264) encoder
* Best digital video processing technology – Rhozet Carbon Coder universal media transcoding technology
* Best fibre contribution/distribution/transport solution – PWRLink 1310 CWDM forward path transmitter

Harmonic’s Rhozet Business Unit, in conjunction with other partners, also won the industry’s coveted IBC Innovation Award for Content Delivery for instant VOD delivery of Live Earth: Concerts for a Climate in Crisis. Live Earth was a 24-hour, seven-continent concert series that brought together more than 100 music artists and two billion people to generate global awareness of the climate crisis. Live Earth reached this worldwide audience through an unprecedented global media architecture covering all media platforms - TV, radio, Internet and wireless channels. Rhozet transcoding technology was used for rapid transcoding of concert footage to help bring immediate VOD delivery to a worldwide audience.

“Over the past year, we have introduced a number of new solutions that enable delivery of advanced video services,” said David Price, Vice President of Business Development and Marketing Communications at Harmonic Inc. "The CSI Awards and IBC Innovation Award are important endorsements of the innovative and high quality design of our products.”

Leading video service providers around the world choose the Electra 7000 HD H.264 encoder to power their HD services--today it is used to deliver more than 1,800 channels. The Rhozet transcoding technology is in use by leading Web video content providers including Amazon.com, MSN and Yahoo!, and has recently been selected as the core technology for the new Adobe Flash Media Encoding Server. The PWRLink 1310 CWDM forward path transmitter enables cable operators to more efficiently deliver the latest generation of broadband video, voice and data services.