POWER INTEGRATIONS INC

Ticker: POWI CUSIP: 739276103 Class: Common Stock

SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC's Holding History (CIK: 0001638555)

Note: Option positions (PUT/CALL) are excluded.

Q3 2017

Shares 50,000 Value ($000) $3,660 Avg Close $33.61 Range $30.70 - $38.09

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2017	50,000	$3,660	$33.61	$30.70 - $38.09