ENERGY RECOVERY INC

Ticker: ERII CUSIP: 29270J100 Class: Common Stock

VIRGINIA RETIREMENT SYSTEMS ET AL's Holding History (CIK: 0001005354)

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

Q2 2017

Shares 107,300 Value ($000) $890 Avg Close $8.01 Range $7.11 - $8.77

Q1 2017

Shares 100,400 Value ($000) $835 Avg Close $9.28 Range $7.11 - $11.46

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2017	107,300	$890	$8.01	$7.11 - $8.77
Q1 2017	100,400	$835	$9.28	$7.11 - $11.46