ENERGY RECOVERY INC

Ticker: ERII CUSIP: 29270J100 Class: Common Stock

SCP Investment, LP's Holding History (CIK: 0001730961)

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

Q4 2018

Shares 36,615 Value ($000) $246 Avg Close $7.87 Range $6.17 - $9.28

Q3 2018

Shares 167,596 Value ($000) $1,500 Avg Close $8.85 Range $7.68 - $10.25

Q2 2018

Shares 248,600 Value ($000) $2,009 Avg Close $8.43 Range $7.56 - $9.36

Q1 2018

Shares 200,000 Value ($000) $1,644 Avg Close $8.08 Range $6.17 - $9.21

Q4 2017

Shares 48,000 Value ($000) $420 Avg Close $9.12 Range $7.48 - $11.30

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2018	36,615	$246	$7.87	$6.17 - $9.28
Q3 2018	167,596	$1,500	$8.85	$7.68 - $10.25
Q2 2018	248,600	$2,009	$8.43	$7.56 - $9.36
Q1 2018	200,000	$1,644	$8.08	$6.17 - $9.21
Q4 2017	48,000	$420	$9.12	$7.48 - $11.30