ENERGY RECOVERY INC

Ticker: ERII CUSIP: 29270J100 Class: Common Stock

TUDOR INVESTMENT CORP ET AL's Holding History (CIK: 0000923093)

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

Q1 2017

Shares 13,568 Value ($000) $113 Avg Close $9.28 Range $7.11 - $11.46

Q2 2014

Shares 10,351 Value ($000) $51 Avg Close $5.16 Range $4.10 - $6.18

Q1 2014

Shares 18,351 Value ($000) $98 Avg Close $4.92 Range $3.82 - $6.98

Q4 2013

Shares 13,075 Value ($000) $73 Avg Close $5.62 Range $4.56 - $7.55

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2017	13,568	$113	$9.28	$7.11 - $11.46
Q2 2014	10,351	$51	$5.16	$4.10 - $6.18
Q1 2014	18,351	$98	$4.92	$3.82 - $6.98
Q4 2013	13,075	$73	$5.62	$4.56 - $7.55