ENERGY RECOVERY INC

Ticker: ERII CUSIP: 29270J100 Class: Common Stock

NORGES BANK's Holding History (CIK: 0001374170)

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

Q1 2023

Shares 70,900 Value ($000) $1,634 Avg Close $21.96 Range $19.68 - $24.18

Q3 2022

Shares 48,900 Value ($000) $1,063 Avg Close $22.52 Range $18.74 - $26.20

Q2 2022

Shares 80,800 Value ($000) $1,569 Avg Close $19.40 Range $16.92 - $21.97

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2023	70,900	$1,634	$21.96	$19.68 - $24.18
Q3 2022	48,900	$1,063	$22.52	$18.74 - $26.20
Q2 2022	80,800	$1,569	$19.40	$16.92 - $21.97