Press Release

SUNNYVALE, Calif., Sep 3, 2002 (BUSINESS WIRE) -- Harmonic Inc. (Nasdaq:HLIT) today announced its presentation at the Kaufman Brothers' 5th Annual Communications Conference on September 4, 2002, at 2:45 p.m. (Eastern Time). The live audio webcast of Harmonic's presentation will be available from Harmonic's website, www.harmonicinc.com, under the Investor Relations Events section. The replay will be available 24 hours after the live presentation through close of business on September 11, 2002, at the same Web address.

    About Harmonic

Harmonic Inc. is a leading provider of digital video, broadband optical networking and IP delivery systems to cable, satellite, telecom and broadcast network operators. Harmonic's open standards-based solutions for the headend through the last mile enable customers to develop new revenue sources and a competitive advantage by offering powerful interactive video, voice and data services such as video-on-demand, high definition digital television, telephony and Internet access.

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

Note to Editors: Product and company names used here are trademarks or registered trademarks of their respective companies.

CONTACT:          Harmonic Inc.
                  Robin N. Dickson, 408/542-2500 (CFO)                  
                  or           
                  StreetConnect                                                   
                  Michael Newman, 408/542-2760 (Investor Relations) 

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