ORION ENGINEERED CARBONS S A

Ticker: OEC CUSIP: L72967109 Class: Common Stock

Aperio Group, LLC's Holding History (CIK: 0001364615)

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

Q4 2020

Shares 29,707 Value ($000) $509 Avg Close $15.25 Range $12.37 - $17.46

Q3 2020

Shares 29,467 Value ($000) $369 Avg Close $11.98 Range $9.82 - $15.27

Q2 2020

Shares 30,705 Value ($000) $325 Avg Close $9.24 Range $6.17 - $13.55

Q1 2020

Shares 19,819 Value ($000) $148 Avg Close $14.47 Range $5.93 - $19.71

Q4 2019

Shares 16,172 Value ($000) $312 Avg Close $18.07 Range $15.41 - $20.78

Q2 2019

Shares 20,951 Value ($000) $449 Avg Close $19.78 Range $17.52 - $21.71

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2020	29,707	$509	$15.25	$12.37 - $17.46
Q3 2020	29,467	$369	$11.98	$9.82 - $15.27
Q2 2020	30,705	$325	$9.24	$6.17 - $13.55
Q1 2020	19,819	$148	$14.47	$5.93 - $19.71
Q4 2019	16,172	$312	$18.07	$15.41 - $20.78
Q2 2019	20,951	$449	$19.78	$17.52 - $21.71