ENERGY RECOVERY INC

Ticker: ERII CUSIP: 29270J100 Class: Common Stock

PIER 88 INVESTMENT PARTNERS LLC's Holding History (CIK: 0001697366)

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

Q3 2023

Shares 77,550 Value ($000) $1,645 Avg Close $26.69 Range $20.50 - $30.76

Q2 2023

Shares 71,650 Value ($000) $2,003 Avg Close $24.94 Range $21.78 - $29.71

Q1 2023

Shares 47,170 Value ($000) $1,087 Avg Close $21.96 Range $19.68 - $24.18

Q4 2022

Shares 52,870 Value ($000) $1,083 Avg Close $21.88 Range $17.32 - $26.34

Q3 2022

Shares 54,200 Value ($000) $1,178 Avg Close $22.52 Range $18.74 - $26.20

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2023	77,550	$1,645	$26.69	$20.50 - $30.76
Q2 2023	71,650	$2,003	$24.94	$21.78 - $29.71
Q1 2023	47,170	$1,087	$21.96	$19.68 - $24.18
Q4 2022	52,870	$1,083	$21.88	$17.32 - $26.34
Q3 2022	54,200	$1,178	$22.52	$18.74 - $26.20