Press Release

SAN JOSE, CA -- (Marketwired) -- 02/02/16 -- Harmonic (NASDAQ: HLIT), the worldwide leader in video delivery infrastructure, today announced that it plans to report its results for the fourth quarter and full year 2015, after market close on February 16, 2016.

Harmonic will host a conference call to discuss its financial results at 2:00 p.m. Pacific (5:00 p.m. Eastern) on Tuesday, February 16, 2016. A listen-only broadcast of the conference call can be accessed either from the Company's website at www.harmonicinc.com or by calling +1.847.585.4405 or +1.888.771.4371 (passcode 41776807). The replay will be available after 4:30 p.m. Pacific at the same website address or by calling +1.630.652.3042 or +1.888.843.7419 (passcode 41776807).

Harmonic intends to discuss financial and other statistical information on this conference call. This information will also be available on the Company's website at www.harmonicinc.com either in the press release related to the above broadcast, by accessing the listen-only broadcast described above, or by accessing the replay of the broadcast described above.

About Harmonic

Harmonic (NASDAQ: HLIT) is the worldwide leader in video delivery infrastructure for emerging television and video services. Harmonic enables customers to produce, deliver, and monetize amazing video experiences, with unequalled business agility and operational efficiency, by providing market-leading innovation, high-quality service, and compelling total-cost-of-ownership. More information is available at www.harmonicinc.com.

Further information about Harmonic and the company's products is available at www.harmonicinc.com.

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

CONTACTS:

Paulien Ruijssenaars
Senior Director, Corporate Marketing
Harmonic
+1.408.490.7021
paulien.ruijssenaars@harmonicinc.com

Blair King
Director, Investor Relations
Harmonic
+1.408.490.6172
blair.king@harmonicinc.com

Source: Harmonic Inc.