2013-01-04 14:00:46 -

SAN JOSE, Calif. - Jan. 4, 2013 - Harmonic (NASDAQ: HLIT), the worldwide leader
in video delivery infrastructure, today announced a transition in leadership of
its worldwide sales organization.  Senior Vice President of Worldwide Sales,
Mark Carrington will step down from his position with the Company, but will
assist with the transition in the short term. Harmonic has initiated a formal
search for Mr. Carrington's replacement and in the interim period, senior sales
leadership will report directly to Patrick Harshman, president and CEO of
Harmonic.

"We thank Mark for his years of service to the company during which time we
significantly expanded our customer base worldwide, particularly in Broadcast
and Media.  We wish him the best in his future endeavors," said Mr. Harshman.
"As a matter of record, this transition does   not impact our previously announced
financial guidance issued on our quarterly earnings call on October 23, 2012."

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

                                     # # #

About Harmonic
Harmonic (NASDAQ: HLIT) is the worldwide leader in video delivery infrastructure
for emerging television and video services. The company's production-ready
innovation enables content and service providers to efficiently create, prepare,
and deliver differentiated services for television and new media video
platforms. More information is available at www.harmonicinc.com.

This press release contains forward-looking statements within the meaning of
Section 27A of the Securities Act of 1933 and Section 21E of the Securities
Exchange Act of 1934, including statements related to the anticipated transition
of Harmonic's sales leadership and the Company's expected financial results for
the quarter ended December 31, 2012. Our expectations and beliefs regarding
these matters may not materialize and are subject to risks and uncertainties,
including that our sales transition plan may take longer than the Company
expects and that actual financial results may differ materially from those
expected.

The forward-looking statements contained in this press release are also subject
to other risks and uncertainties, such as those more fully described in
Harmonic's filings with the Securities and Exchange Commission, including its
Annual Report on Form 10-K for the year ended Dec.31, 2011, its Quarterly
Reports on Form 10-Q and its Current Reports on Form 8-K. The forward-looking
statements in this press release are based on information available to Harmonic
as of the date hereof, and Harmonic disclaims any obligation to update any
forward-looking statements.

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

CONTACTS:
Paulien Ruijssenaars                      Michael Bishop
Director of Public Relations for Harmonic Investor Relations Contact for
+1.408.490.7021                           Harmonic
paulien.ruijssenaars@harmonicinc.com      +1.408.542.2760
                                          investor@harmonicinc.com





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Source: Harmonic Inc via Thomson Reuters ONE
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