ENERGY RECOVERY INC

Ticker: ERII CUSIP: 29270J100 Class: Common Stock

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

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

Q2 2015

Shares 66,446 Value ($000) $182 Avg Close $2.93 Range $2.28 - $3.71

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2015	66,446	$182	$2.93	$2.28 - $3.71