ENERGY RECOVERY INC

Ticker: ERII CUSIP: 29270J100 Class: Common Stock

BROWN BROTHERS HARRIMAN & CO's Holding History (CIK: 0000014661)

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

Q4 2022

Shares 940 Value ($000) $19 Avg Close $21.88 Range $17.32 - $26.34

Q3 2022

Shares 940 Value ($000) $20 Avg Close $22.52 Range $18.74 - $26.20

Q2 2022

Shares 940 Value ($000) $18 Avg Close $19.40 Range $16.92 - $21.97

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2022	940	$19	$21.88	$17.32 - $26.34
Q3 2022	940	$20	$22.52	$18.74 - $26.20
Q2 2022	940	$18	$19.40	$16.92 - $21.97