HARMONIC INC. — Director's Dealing 2010

May 13, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: HARMONIC INC (HLIT)
CIK: 0000851310
Period of Report: 2010-05-12

Reporting Person: DICKSON ROBIN N (Chief Financial Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-05-12	Common Stock	M	10000	$3.46	Acquired	124917	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2010-05-12	Right to buy	$3.46	M	10000	Disposed	2013-01-28	Common Stock (10000)	Direct