POWER INTEGRATIONS INC — Director's Dealing 2013

May 10, 2013

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: POWER INTEGRATIONS INC (POWI)
CIK: 0000833640
Period of Report: 2013-05-08

Reporting Person: Sutherland Ben (VP of Sales)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2013-05-08	Common Stock	M	250	$21.14	Acquired	19573	Direct
2013-05-08	Common Stock	S	250	$43.3226	Disposed	19323	Direct
2013-05-08	Common Stock	M	500	$30.78	Acquired	19823	Direct
2013-05-08	Common Stock	S	500	$43.3226	Disposed	19323	Direct
2013-05-08	Common Stock	S	913	$43.3226	Disposed	18410	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2013-05-08	Incentive Stock Option (right to buy)	$30.78	M	500	Disposed	2021-08-05	Common Stock (500)	Direct
2013-05-08	Non-Qualified Stock Option (right to buy)	$21.14	M	250	Disposed	2019-04-28	Common Stock (250)	Direct