ENERGY RECOVERY INC

Ticker: ERII CUSIP: 29270J100 Class: Common Stock

Paloma Partners Management Co's Holding History (CIK: 0001103882)

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

Q3 2018

Shares 10,336 Value ($000) $92 Avg Close $8.85 Range $7.68 - $10.25

Q1 2018

Shares 48,171 Value ($000) $396 Avg Close $8.08 Range $6.17 - $9.21

Q1 2016

Shares 13,061 Value ($000) $135 Avg Close $7.29 Range $5.28 - $10.82

Q2 2015

Shares 61,179 Value ($000) $168 Avg Close $2.93 Range $2.28 - $3.71

Q4 2014

Shares 23,679 Value ($000) $125 Avg Close $4.54 Range $3.30 - $5.42

Q3 2014

Shares 58,032 Value ($000) $205 Avg Close $4.37 Range $3.54 - $5.15

Q2 2014

Shares 29,026 Value ($000) $143 Avg Close $5.16 Range $4.10 - $6.18

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2018	10,336	$92	$8.85	$7.68 - $10.25
Q1 2018	48,171	$396	$8.08	$6.17 - $9.21
Q1 2016	13,061	$135	$7.29	$5.28 - $10.82
Q2 2015	61,179	$168	$2.93	$2.28 - $3.71
Q4 2014	23,679	$125	$4.54	$3.30 - $5.42
Q3 2014	58,032	$205	$4.37	$3.54 - $5.15
Q2 2014	29,026	$143	$5.16	$4.10 - $6.18