POWER INTEGRATIONS INC

Ticker: POWI CUSIP: 739276103 Class: Common Stock

Twin Tree Management, LP's Holding History (CIK: 0001535588)

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

Q4 2021

Shares 4 Value ($000) $0 Avg Close $93.47 Range $80.70 - $105.05

Q3 2021

Shares 10,597 Value ($000) $1,049 Avg Close $92.08 Range $72.50 - $105.27

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2021	4	$0	$93.47	$80.70 - $105.05
Q3 2021	10,597	$1,049	$92.08	$72.50 - $105.27