ORION ENGINEERED CARBONS S A

Ticker: OEC CUSIP: L72967109 Class: Common Stock

Zimmer Partners, LP's Holding History (CIK: 0001565854)

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

Q4 2017

Shares 2,275,000 Value ($000) $58,240 Avg Close $23.63 Range $22.25 - $25.70

Q3 2017

Shares 373,576 Value ($000) $8,387 Avg Close $21.43 Range $19.70 - $24.55

Q1 2017

Shares 1,026,540 Value ($000) $21,044 Avg Close $20.55 Range $18.50 - $22.20

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2017	2,275,000	$58,240	$23.63	$22.25 - $25.70
Q3 2017	373,576	$8,387	$21.43	$19.70 - $24.55
Q1 2017	1,026,540	$21,044	$20.55	$18.50 - $22.20