WESTLAKE CHEM CORP

Ticker: WLK CUSIP: 960413102 Class: Common Stock

Parametrica Management Ltd's Holding History (CIK: 0001535110)

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

Q3 2018

Shares 3,458 Value ($000) $287 Avg Close $86.83 Range $72.82 - $100.10

Q1 2018

Shares 2,042 Value ($000) $227 Avg Close $98.39 Range $86.89 - $107.41

Q1 2017

Shares 4,936 Value ($000) $326 Avg Close $55.38 Range $49.25 - $59.68

Q4 2016

Shares 3,953 Value ($000) $221 Avg Close $47.64 Range $42.61 - $53.78

Q3 2014

Shares 5,938 Value ($000) $514 Avg Close $76.69 Range $70.51 - $83.52

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2018	3,458	$287	$86.83	$72.82 - $100.10
Q1 2018	2,042	$227	$98.39	$86.89 - $107.41
Q1 2017	4,936	$326	$55.38	$49.25 - $59.68
Q4 2016	3,953	$221	$47.64	$42.61 - $53.78
Q3 2014	5,938	$514	$76.69	$70.51 - $83.52