ORION ENGINEERED CARBONS S A

Ticker: OEC CUSIP: L72967109 Class: Common Stock

ArrowMark Colorado Holdings LLC's Holding History (CIK: 0001483859)

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

Q1 2025

Shares 399,188 Value ($000) $5,162 Avg Close $14.14 Range $12.51 - $16.63

Q4 2024

Shares 313,188 Value ($000) $4,945 Avg Close $16.89 Range $14.94 - $19.48

Q3 2024

Shares 50,000 Value ($000) $891 Avg Close $19.27 Range $15.54 - $24.85

Q3 2014

Shares 154,525 Value ($000) $2,723 Avg Close $17.44 Range $15.87 - $18.40

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2025	399,188	$5,162	$14.14	$12.51 - $16.63
Q4 2024	313,188	$4,945	$16.89	$14.94 - $19.48
Q3 2024	50,000	$891	$19.27	$15.54 - $24.85
Q3 2014	154,525	$2,723	$17.44	$15.87 - $18.40