ORION ENGINEERED CARBONS S A

Ticker: OEC CUSIP: L72967109 Class: Common Stock

MARTINGALE ASSET MANAGEMENT L P's Holding History (CIK: 0000936944)

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

Q1 2021

Shares 63,250 Value ($000) $1,248 Avg Close $18.01 Range $15.23 - $21.05

Q4 2020

Shares 63,851 Value ($000) $1,095 Avg Close $15.25 Range $12.37 - $17.46

Q3 2020

Shares 105,395 Value ($000) $1,319 Avg Close $11.98 Range $9.82 - $15.27

Q2 2020

Shares 130,895 Value ($000) $1,387 Avg Close $9.24 Range $6.17 - $13.55

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2021	63,250	$1,248	$18.01	$15.23 - $21.05
Q4 2020	63,851	$1,095	$15.25	$12.37 - $17.46
Q3 2020	105,395	$1,319	$11.98	$9.82 - $15.27
Q2 2020	130,895	$1,387	$9.24	$6.17 - $13.55