ENERGY RECOVERY INC

Ticker: ERII CUSIP: 29270J100 Class: Common Stock

GLENMEDE TRUST CO NA's Holding History (CIK: 0000314949)

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

Q3 2020

Shares 337 Value ($000) $2 Avg Close $8.02 Range $6.69 - $9.18

Q1 2018

Shares 2,500 Value ($000) $21 Avg Close $8.08 Range $6.17 - $9.21

Q4 2017

Shares 2,500 Value ($000) $21 Avg Close $9.12 Range $7.48 - $11.30

Q3 2017

Shares 2,500 Value ($000) $19 Avg Close $7.14 Range $6.13 - $8.43

Q2 2017

Shares 2,500 Value ($000) $20 Avg Close $8.01 Range $7.11 - $8.77

Q1 2017

Shares 2,500 Value ($000) $20 Avg Close $9.28 Range $7.11 - $11.46

Q4 2016

Shares 2,500 Value ($000) $25 Avg Close $12.01 Range $8.53 - $16.30

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2020	337	$2	$8.02	$6.69 - $9.18
Q1 2018	2,500	$21	$8.08	$6.17 - $9.21
Q4 2017	2,500	$21	$9.12	$7.48 - $11.30
Q3 2017	2,500	$19	$7.14	$6.13 - $8.43
Q2 2017	2,500	$20	$8.01	$7.11 - $8.77
Q1 2017	2,500	$20	$9.28	$7.11 - $11.46
Q4 2016	2,500	$25	$12.01	$8.53 - $16.30