Press Release

SUNNYVALE, Calif., Aug 02, 2007 (BUSINESS WIRE) -- Harmonic Inc. (NASDAQ:HLIT) today announced that it has completed the acquisition of Rhozet Corporation, a privately held company based in Santa Clara, California. The acquisition closed effective July 31, 2007.

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 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.

SOURCE: Harmonic Inc.

Media Relations for Harmonic
Sarah Lum, 408-543-2392
sarah.lum@harmonicinc.com
or
Investor Relations for Harmonic
StreetConnect
Michael Newman, 408-542-2760
hlit@stct.com