WESTLAKE CHEM CORP

Ticker: WLK CUSIP: 960413102 Class: Common Stock

FLAGSHIP HARBOR ADVISORS, LLC's Holding History (CIK: 0001691766)

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

Q4 2019

Shares 107 Value ($000) $8 Avg Close $60.78 Range $52.18 - $68.35

Q3 2019

Shares 106 Value ($000) $6 Avg Close $57.99 Range $50.43 - $64.27

Q2 2019

Shares 207 Value ($000) $14 Avg Close $59.69 Range $51.40 - $69.93

Q1 2019

Shares 441 Value ($000) $29 Avg Close $64.77 Range $57.75 - $72.34

Q4 2018

Shares 586 Value ($000) $38 Avg Close $64.35 Range $53.36 - $76.44

Q3 2018

Shares 966 Value ($000) $81 Avg Close $86.83 Range $72.82 - $100.10

Q2 2018

Shares 1,210 Value ($000) $130 Avg Close $99.34 Range $90.39 - $110.06

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2019	107	$8	$60.78	$52.18 - $68.35
Q3 2019	106	$6	$57.99	$50.43 - $64.27
Q2 2019	207	$14	$59.69	$51.40 - $69.93
Q1 2019	441	$29	$64.77	$57.75 - $72.34
Q4 2018	586	$38	$64.35	$53.36 - $76.44
Q3 2018	966	$81	$86.83	$72.82 - $100.10
Q2 2018	1,210	$130	$99.34	$90.39 - $110.06