Harmonic Announces First Quarter Reporting Date -- CORRECTED

Sunnyvale, Calif. - April 16, 2003 - Harmonic Inc. (Nasdaq: HLIT) today announced that it plans to report its first quarter 2003 results after market close on April 24, 2003.

Harmonic will also host a conference call to discuss its financial results at 2:00 P.M. Pacific (5:00 P.M. Eastern) on April 24, 2003. A listen-only broadcast of the conference call can be accessed on the Company’s website at: www.harmonicinc.com or by calling +1-212-748-2800 (Reservation No. 21090931). The replay will be available at the same website address or by calling +1-402-977-9140 (Reservation No. 21090931).

About Harmonic Inc.
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, 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 here are trademarks or registered trademarks of their respective companies.

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