ENERGY RECOVERY INC

Ticker: ERII CUSIP: 29270J100 Class: Common Stock

PROMETHIUM ADVISORS,LLC's Holding History (CIK: 0002034073)

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

Q1 2025

Shares 25,729 Value ($000) $409 Avg Close $15.21 Range $13.80 - $16.86

Q4 2024

Shares 25,729 Value ($000) $378 Avg Close $17.11 Range $14.47 - $20.27

Q3 2024

Shares 24,704 Value ($000) $430 Avg Close $15.78 Range $12.46 - $18.36

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2025	25,729	$409	$15.21	$13.80 - $16.86
Q4 2024	25,729	$378	$17.11	$14.47 - $20.27
Q3 2024	24,704	$430	$15.78	$12.46 - $18.36