ENERGY RECOVERY INC

Ticker: ERII CUSIP: 29270J100 Class: Common Stock

GREAT LAKES ADVISORS, LLC's Holding History (CIK: 0001078013)

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

Q4 2025

Shares 29,704 Value ($000) $401 Avg Close $15.16 Range $13.27 - $18.32

Q3 2025

Shares 14,367 Value ($000) $222 Avg Close $14.10 Range $12.54 - $15.47

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	29,704	$401	$15.16	$13.27 - $18.32
Q3 2025	14,367	$222	$14.10	$12.54 - $15.47