ENERGY RECOVERY INC

Ticker: ERII CUSIP: 29270J100 Class: Common Stock

DUFF & PHELPS INVESTMENT MANAGEMENT CO's Holding History (CIK: 0000765443)

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

Q4 2025

Shares 301,487 Value ($000) $4,067 Avg Close $15.16 Range $13.27 - $18.32

Q3 2025

Shares 308,006 Value ($000) $4,749 Avg Close $14.10 Range $12.54 - $15.47

Q2 2025

Shares 248,928 Value ($000) $3,181 Avg Close $13.55 Range $10.86 - $16.05

Q1 2025

Shares 248,928 Value ($000) $3,955 Avg Close $15.21 Range $13.80 - $16.86

Q4 2024

Shares 258,376 Value ($000) $3,798 Avg Close $17.11 Range $14.47 - $20.27

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	301,487	$4,067	$15.16	$13.27 - $18.32
Q3 2025	308,006	$4,749	$14.10	$12.54 - $15.47
Q2 2025	248,928	$3,181	$13.55	$10.86 - $16.05
Q1 2025	248,928	$3,955	$15.21	$13.80 - $16.86
Q4 2024	258,376	$3,798	$17.11	$14.47 - $20.27