ENERGY RECOVERY INC

Ticker: ERII CUSIP: 29270J100 Class: Common Stock

Arosa Capital Management LP's Holding History (CIK: 0001596053)

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

Q1 2018
Shares 350,000 Value ($000) $2,877 Avg Close $8.08 Range $6.17 - $9.21
Q4 2017
Shares 350,000 Value ($000) $3,063 Avg Close $9.12 Range $7.48 - $11.30
Q3 2017
Shares 500,000 Value ($000) $3,950 Avg Close $7.14 Range $6.13 - $8.43
Q2 2017
Shares 500,000 Value ($000) $4,145 Avg Close $8.01 Range $7.11 - $8.77
Q1 2017
Shares 250,000 Value ($000) $2,080 Avg Close $9.28 Range $7.11 - $11.46