POWER SOLUTIONS INTL INC

Ticker: PSIX CUSIP: 73933G202 Class: Common Stock

COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS's Holding History (CIK: 0001083190)

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

Q1 2014

Shares 7,350 Value ($000) $552 Avg Close $72.19 Range $56.53 - $87.40

Q4 2013

Shares 14,385 Value ($000) $1,080 Avg Close $65.56 Range $52.30 - $78.96

Q3 2013

Shares 5,790 Value ($000) $342 Avg Close $48.66 Range $33.00 - $59.26

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2014	7,350	$552	$72.19	$56.53 - $87.40
Q4 2013	14,385	$1,080	$65.56	$52.30 - $78.96
Q3 2013	5,790	$342	$48.66	$33.00 - $59.26