POWER SOLUTIONS INTL INC

Ticker: PSIX CUSIP: 73933G202 Class: Common Stock

ADAGE CAPITAL PARTNERS GP, L.L.C.'s Holding History (CIK: 0001165408)

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

Q4 2025

Shares 75,000 Value ($000) $4,286 Avg Close $71.37 Range $44.17 - $100.00

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	75,000	$4,286	$71.37	$44.17 - $100.00