ENERGY RECOVERY INC

Ticker: ERII CUSIP: 29270J100 Class: Common Stock

EDMOND DE ROTHSCHILD HOLDING S.A.'s Holding History (CIK: 0001649647)

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

Q3 2016

Shares 15,700 Value ($000) $251 Avg Close $12.16 Range $8.35 - $16.67

Q2 2016

Shares 18,300 Value ($000) $163 Avg Close $10.67 Range $7.77 - $13.35

Q1 2016

Shares 29,600 Value ($000) $306 Avg Close $7.29 Range $5.28 - $10.82

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2016	15,700	$251	$12.16	$8.35 - $16.67
Q2 2016	18,300	$163	$10.67	$7.77 - $13.35
Q1 2016	29,600	$306	$7.29	$5.28 - $10.82