POWER INTEGRATIONS INC

Ticker: POWI CUSIP: 739276103 Class: Common Stock

Impax Asset Management Group plc's Holding History (CIK: 0001749768)

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

Q3 2019

Shares 857,484 Value ($000) $76,955 Avg Close $40.65 Range $35.95 - $47.94

Q2 2019

Shares 974,745 Value ($000) $78,155 Avg Close $34.16 Range $30.41 - $38.00

Q1 2019

Shares 1,089,166 Value ($000) $76,176 Avg Close $31.72 Range $26.00 - $35.37

Q4 2018

Shares 1,316,380 Value ($000) $80,273 Avg Close $27.46 Range $22.01 - $30.60

Q3 2018

Shares 1,403,049 Value ($000) $88,090 Avg Close $33.39 Range $28.42 - $36.17

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2019	857,484	$76,955	$40.65	$35.95 - $47.94
Q2 2019	974,745	$78,155	$34.16	$30.41 - $38.00
Q1 2019	1,089,166	$76,176	$31.72	$26.00 - $35.37
Q4 2018	1,316,380	$80,273	$27.46	$22.01 - $30.60
Q3 2018	1,403,049	$88,090	$33.39	$28.42 - $36.17