WESTLAKE CHEM CORP

Ticker: WLK CUSIP: 960413102 Class: Common Stock

C Partners Holding GmbH's Holding History (CIK: 0001634083)

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

Q3 2018

Shares 1,110 Value ($000) $92 Avg Close $86.83 Range $72.82 - $100.10

Q2 2018

Shares 2,051 Value ($000) $221 Avg Close $99.34 Range $90.39 - $110.06

Q1 2018

Shares 1,978 Value ($000) $220 Avg Close $98.39 Range $86.89 - $107.41

Q4 2017

Shares 3,091 Value ($000) $329 Avg Close $81.78 Range $72.56 - $95.02

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2018	1,110	$92	$86.83	$72.82 - $100.10
Q2 2018	2,051	$221	$99.34	$90.39 - $110.06
Q1 2018	1,978	$220	$98.39	$86.89 - $107.41
Q4 2017	3,091	$329	$81.78	$72.56 - $95.02