POWER INTEGRATIONS INC

Ticker: POWI CUSIP: 739276103 Class: Common Stock

STEVENS CAPITAL MANAGEMENT LP's Holding History (CIK: 0001134813)

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

Q4 2016

Shares 5,904 Value ($000) $401 Avg Close $29.96 Range $27.74 - $32.06

Q2 2016

Shares 5,258 Value ($000) $263 Avg Close $22.25 Range $20.39 - $24.96

Q4 2013

Shares 8,931 Value ($000) $499 Avg Close $24.04 Range $22.49 - $26.82

Q2 2013

Shares 9,928 Value ($000) $403 Avg Close $18.48 Range $16.68 - $20.17

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2016	5,904	$401	$29.96	$27.74 - $32.06
Q2 2016	5,258	$263	$22.25	$20.39 - $24.96
Q4 2013	8,931	$499	$24.04	$22.49 - $26.82
Q2 2013	9,928	$403	$18.48	$16.68 - $20.17