WESTLAKE CHEM CORP

Ticker: WLK CUSIP: 960413102 Class: Common Stock

Verition Fund Management LLC's Holding History (CIK: 0001454027)

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

Q4 2025

Shares 26,078 Value ($000) $1,928 Avg Close $70.79 Range $55.84 - $82.75

Q3 2025

Shares 27,155 Value ($000) $2,093 Avg Close $82.33 Range $73.94 - $91.41

Q2 2025

Shares 41,923 Value ($000) $3,183 Avg Close $80.28 Range $67.52 - $99.92

Q1 2025

Shares 51,511 Value ($000) $5,153 Avg Close $108.01 Range $95.27 - $116.71

Q4 2024

Shares 61,152 Value ($000) $7,011 Avg Close $126.38 Range $109.67 - $146.31

Q3 2024

Shares 17,195 Value ($000) $2,584 Avg Close $139.25 Range $125.61 - $148.72

Q2 2024

Shares 10,897 Value ($000) $1,578 Avg Close $148.16 Range $138.77 - $156.68

Q4 2023

Shares 4,725 Value ($000) $661 Avg Close $121.60 Range $107.83 - $137.84

Q3 2023

Shares 4,738 Value ($000) $591 Avg Close $122.44 Range $108.80 - $131.81

Q2 2023

Shares 2,355 Value ($000) $281 Avg Close $108.79 Range $98.37 - $116.78

Q1 2023

Shares 5,887 Value ($000) $683 Avg Close $109.37 Range $92.83 - $119.59

Q4 2022

Shares 140,267 Value ($000) $14,383 Avg Close $95.20 Range $80.55 - $107.11

Q3 2022

Shares 237,787 Value ($000) $20,659 Avg Close $90.33 Range $76.70 - $104.08

Q2 2022

Shares 120,985 Value ($000) $11,859 Avg Close $115.03 Range $86.41 - $132.48

Q1 2022

Shares 51,353 Value ($000) $6,337 Avg Close $102.15 Range $87.54 - $119.36

Q4 2021

Shares 68,325 Value ($000) $6,636 Avg Close $91.08 Range $82.73 - $97.95

Q3 2021

Shares 23,645 Value ($000) $2,155 Avg Close $79.74 Range $72.56 - $88.16

Q2 2021

Shares 13,269 Value ($000) $1,195 Avg Close $90.14 Range $80.84 - $98.96

Q1 2021

Shares 5,349 Value ($000) $475 Avg Close $80.32 Range $68.77 - $90.16

Q3 2018

Shares 12,862 Value ($000) $1,069 Avg Close $86.83 Range $72.82 - $100.10

Q2 2018

Shares 9,314 Value ($000) $1,002 Avg Close $99.34 Range $90.39 - $110.06

Q1 2018

Shares 9,908 Value ($000) $1,101 Avg Close $98.39 Range $86.89 - $107.41

Q3 2017

Shares 10,991 Value ($000) $913 Avg Close $64.66 Range $57.52 - $74.59

Q1 2017

Shares 4,044 Value ($000) $267 Avg Close $55.38 Range $49.25 - $59.68

Q4 2016

Shares 18,354 Value ($000) $1,028 Avg Close $47.64 Range $42.61 - $53.78

Q3 2016

Shares 12,500 Value ($000) $669 Avg Close $41.92 Range $34.93 - $47.03

Q1 2016

Shares 7,500 Value ($000) $347 Avg Close $39.11 Range $34.33 - $46.52

Q3 2014

Shares 5,884 Value ($000) $509 Avg Close $76.69 Range $70.51 - $83.52

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	26,078	$1,928	$70.79	$55.84 - $82.75
Q3 2025	27,155	$2,093	$82.33	$73.94 - $91.41
Q2 2025	41,923	$3,183	$80.28	$67.52 - $99.92
Q1 2025	51,511	$5,153	$108.01	$95.27 - $116.71
Q4 2024	61,152	$7,011	$126.38	$109.67 - $146.31
Q3 2024	17,195	$2,584	$139.25	$125.61 - $148.72
Q2 2024	10,897	$1,578	$148.16	$138.77 - $156.68
Q4 2023	4,725	$661	$121.60	$107.83 - $137.84
Q3 2023	4,738	$591	$122.44	$108.80 - $131.81
Q2 2023	2,355	$281	$108.79	$98.37 - $116.78
Q1 2023	5,887	$683	$109.37	$92.83 - $119.59
Q4 2022	140,267	$14,383	$95.20	$80.55 - $107.11
Q3 2022	237,787	$20,659	$90.33	$76.70 - $104.08
Q2 2022	120,985	$11,859	$115.03	$86.41 - $132.48
Q1 2022	51,353	$6,337	$102.15	$87.54 - $119.36
Q4 2021	68,325	$6,636	$91.08	$82.73 - $97.95
Q3 2021	23,645	$2,155	$79.74	$72.56 - $88.16
Q2 2021	13,269	$1,195	$90.14	$80.84 - $98.96
Q1 2021	5,349	$475	$80.32	$68.77 - $90.16
Q3 2018	12,862	$1,069	$86.83	$72.82 - $100.10
Q2 2018	9,314	$1,002	$99.34	$90.39 - $110.06
Q1 2018	9,908	$1,101	$98.39	$86.89 - $107.41
Q3 2017	10,991	$913	$64.66	$57.52 - $74.59
Q1 2017	4,044	$267	$55.38	$49.25 - $59.68
Q4 2016	18,354	$1,028	$47.64	$42.61 - $53.78
Q3 2016	12,500	$669	$41.92	$34.93 - $47.03
Q1 2016	7,500	$347	$39.11	$34.33 - $46.52
Q3 2014	5,884	$509	$76.69	$70.51 - $83.52