POWER SOLUTIONS INTL INC

Ticker: PSIX CUSIP: 73933G202 Class: Common Stock

OBERWEIS ASSET MANAGEMENT INC/'s Holding History (CIK: 0000937886)

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

Q4 2014

Shares 14,200 Value ($000) $733 Avg Close $59.33 Range $43.74 - $74.57

Q3 2014

Shares 14,200 Value ($000) $980 Avg Close $67.67 Range $58.03 - $79.50

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2014	14,200	$733	$59.33	$43.74 - $74.57
Q3 2014	14,200	$980	$67.67	$58.03 - $79.50