ORION ENGINEERED CARBONS S A

Ticker: OEC CUSIP: L72967109 Class: Common Stock

ACK Asset Management LLC's Holding History (CIK: 0001510940)

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

Q4 2017

Shares 581,000 Value ($000) $14,874 Avg Close $23.63 Range $22.25 - $25.70

Q3 2017

Shares 203,500 Value ($000) $4,569 Avg Close $21.43 Range $19.70 - $24.55

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2017	581,000	$14,874	$23.63	$22.25 - $25.70
Q3 2017	203,500	$4,569	$21.43	$19.70 - $24.55