ENERGY RECOVERY INC

CUSIP: 29270J10 Class: COM

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP's Holding History (CIK: 0001164508)

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

Q3 2016
Shares 140,473 Value ($000) $2,245 Avg Close — Range —
Q4 2015
Shares 12,966 Value ($000) $92 Avg Close — Range —