ENERGY RECOVERY INC

Ticker: ERII CUSIP: 29270J100 Class: Common Stock

CUSHING ASSET MANAGEMENT, LP dba NXG INVESTMENT MANAGEMENT's Holding History (CIK: 0001329375)

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

Q3 2023

Shares 30,574 Value ($000) $648 Avg Close $26.69 Range $20.50 - $30.76

Q2 2023

Shares 7,195 Value ($000) $201 Avg Close $24.94 Range $21.78 - $29.71

Q1 2023

Shares 8,765 Value ($000) $202 Avg Close $21.96 Range $19.68 - $24.18

Q3 2022

Shares 9,428 Value ($000) $205 Avg Close $22.52 Range $18.74 - $26.20

Q2 2022

Shares 11,178 Value ($000) $217 Avg Close $19.40 Range $16.92 - $21.97

Q1 2022

Shares 11,178 Value ($000) $225 Avg Close $19.47 Range $17.84 - $22.09

Q4 2021

Shares 14,325 Value ($000) $308 Avg Close $20.92 Range $18.50 - $24.99

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2023	30,574	$648	$26.69	$20.50 - $30.76
Q2 2023	7,195	$201	$24.94	$21.78 - $29.71
Q1 2023	8,765	$202	$21.96	$19.68 - $24.18
Q3 2022	9,428	$205	$22.52	$18.74 - $26.20
Q2 2022	11,178	$217	$19.40	$16.92 - $21.97
Q1 2022	11,178	$225	$19.47	$17.84 - $22.09
Q4 2021	14,325	$308	$20.92	$18.50 - $24.99