POWER INTEGRATIONS INC

Ticker: POWI CUSIP: 739276103 Class: Common Stock

Harrington Investments, INC's Holding History (CIK: 0001386364)

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

Q1 2018

Shares 104 Value ($000) $7 Avg Close $32.97 Range $27.96 - $36.94

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2018	104	$7	$32.97	$27.96 - $36.94