POWER INTEGRATIONS INC

Ticker: POWI CUSIP: 739276103 Class: Common Stock

VAUGHAN NELSON INVESTMENT MANAGEMENT, L.P.'s Holding History (CIK: 0001021642)

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

Q3 2019

Shares 168,728 Value ($000) $15,258 Avg Close $40.65 Range $35.95 - $47.94

Q2 2019

Shares 237,865 Value ($000) $19,072 Avg Close $34.16 Range $30.41 - $38.00

Q1 2019

Shares 258,490 Value ($000) $18,079 Avg Close $31.72 Range $26.00 - $35.37

Q4 2018

Shares 164,890 Value ($000) $10,055 Avg Close $27.46 Range $22.01 - $30.60

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2019	168,728	$15,258	$40.65	$35.95 - $47.94
Q2 2019	237,865	$19,072	$34.16	$30.41 - $38.00
Q1 2019	258,490	$18,079	$31.72	$26.00 - $35.37
Q4 2018	164,890	$10,055	$27.46	$22.01 - $30.60