ORION ENGINEERED CARBONS S A

Ticker: OEC CUSIP: L72967109 Class: Common Stock

CenterBook Partners LP's Holding History (CIK: 0001872738)

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

Q4 2025

Shares 378,517 Value ($000) $1,999 Avg Close $5.42 Range $4.34 - $7.58

Q3 2025

Shares 402,716 Value ($000) $3,053 Avg Close $10.11 Range $7.32 - $11.62

Q2 2025

Shares 294,093 Value ($000) $3,085 Avg Close $11.31 Range $9.59 - $12.97

Q1 2025

Shares 191,072 Value ($000) $2,471 Avg Close $14.14 Range $12.51 - $16.63

Q4 2024

Shares 335,758 Value ($000) $5,302 Avg Close $16.89 Range $14.94 - $19.48

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	378,517	$1,999	$5.42	$4.34 - $7.58
Q3 2025	402,716	$3,053	$10.11	$7.32 - $11.62
Q2 2025	294,093	$3,085	$11.31	$9.59 - $12.97
Q1 2025	191,072	$2,471	$14.14	$12.51 - $16.63
Q4 2024	335,758	$5,302	$16.89	$14.94 - $19.48