WESTLAKE CHEM CORP

Ticker: WLK CUSIP: 960413102 Class: Common Stock

SHAPIRO CAPITAL MANAGEMENT LLC's Holding History (CIK: 0001177244)

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

Q2 2017

Shares 962,445 Value ($000) $63,723,483 Avg Close $55.73 Range $52.23 - $59.49

Q1 2017

Shares 1,057,845 Value ($000) $69,870,662 Avg Close $55.38 Range $49.25 - $59.68

Q4 2016

Shares 1,618,217 Value ($000) $90,603,969 Avg Close $47.64 Range $42.61 - $53.78

Q3 2016

Shares 1,596,937 Value ($000) $85,436,129 Avg Close $41.92 Range $34.93 - $47.03

Q2 2016

Shares 1,233,831 Value ($000) $52,956,026 Avg Close $39.55 Range $34.26 - $45.64

Q1 2016

Shares 954,119 Value ($000) $44,175,709 Avg Close $39.11 Range $34.33 - $46.52

Q4 2015

Shares 752,197 Value ($000) $40,859,341 Avg Close $49.75 Range $44.01 - $54.52

Q3 2015

Shares 384,100 Value ($000) $19,930,949 Avg Close $49.96 Range $42.26 - $59.13

Q2 2015

Shares 3,500 Value ($000) $240,065 Avg Close $62.10 Range $58.06 - $67.58

Q1 2015

Shares 3,500 Value ($000) $251,790 Avg Close $54.56 Range $46.07 - $62.01

Q4 2014

Shares 3,500 Value ($000) $213,815 Avg Close $57.80 Range $45.45 - $73.16

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2017	962,445	$63,723,483	$55.73	$52.23 - $59.49
Q1 2017	1,057,845	$69,870,662	$55.38	$49.25 - $59.68
Q4 2016	1,618,217	$90,603,969	$47.64	$42.61 - $53.78
Q3 2016	1,596,937	$85,436,129	$41.92	$34.93 - $47.03
Q2 2016	1,233,831	$52,956,026	$39.55	$34.26 - $45.64
Q1 2016	954,119	$44,175,709	$39.11	$34.33 - $46.52
Q4 2015	752,197	$40,859,341	$49.75	$44.01 - $54.52
Q3 2015	384,100	$19,930,949	$49.96	$42.26 - $59.13
Q2 2015	3,500	$240,065	$62.10	$58.06 - $67.58
Q1 2015	3,500	$251,790	$54.56	$46.07 - $62.01
Q4 2014	3,500	$213,815	$57.80	$45.45 - $73.16