WESTLAKE CHEM CORP

Ticker: WLK CUSIP: 960413102 Class: Common Stock

APG Asset Management N.V.'s Holding History (CIK: 0001434819)

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

Q3 2025

Shares 21,100 Value ($000) $1,384 Avg Close $82.33 Range $73.94 - $91.41

Q2 2025

Shares 21,100 Value ($000) $1,365 Avg Close $80.28 Range $67.52 - $99.92

Q1 2025

Shares 19,400 Value ($000) $1,797 Avg Close $108.01 Range $95.27 - $116.71

Q4 2024

Shares 19,900 Value ($000) $2,203 Avg Close $126.38 Range $109.67 - $146.31

Q2 2024

Shares 5,651 Value ($000) $764 Avg Close $148.16 Range $138.77 - $156.68

Q1 2024

Shares 1,951 Value ($000) $276 Avg Close $135.33 Range $113.88 - $147.53

Q4 2023

Shares 1,951 Value ($000) $247 Avg Close $121.60 Range $107.83 - $137.84

Q3 2023

Shares 2,100 Value ($000) $262 Avg Close $122.44 Range $108.80 - $131.81

Q2 2023

Shares 2,100 Value ($000) $230 Avg Close $108.79 Range $98.37 - $116.78

Q1 2023

Shares 2,100 Value ($000) $224 Avg Close $109.37 Range $92.83 - $119.59

Q4 2022

Shares 4,235 Value ($000) $0 Avg Close $95.20 Range $80.55 - $107.11

Q3 2022

Shares 8,000 Value ($000) $709 Avg Close $90.33 Range $76.70 - $104.08

Q2 2022

Shares 5,700 Value ($000) $534 Avg Close $115.03 Range $86.41 - $132.48

Q1 2022

Shares 4,300 Value ($000) $477 Avg Close $102.15 Range $87.54 - $119.36

Q4 2021

Shares 11,700 Value ($000) $999 Avg Close $91.08 Range $82.73 - $97.95

Q3 2021

Shares 15,400 Value ($000) $1,211 Avg Close $79.74 Range $72.56 - $88.16

Q2 2020

Shares 4,300 Value ($000) $205 Avg Close $42.05 Range $30.99 - $55.36

Q1 2020

Shares 10,400 Value ($000) $397 Avg Close $51.06 Range $26.40 - $65.18

Q4 2018

Shares 99,800 Value ($000) $5,777 Avg Close $64.35 Range $53.36 - $76.44

Q3 2018

Shares 98,600 Value ($000) $7,055 Avg Close $86.83 Range $72.82 - $100.10

Q2 2016

Shares 40,040 Value ($000) $1,719 Avg Close $39.55 Range $34.26 - $45.64

Q1 2016

Shares 40,040 Value ($000) $1,854 Avg Close $39.11 Range $34.33 - $46.52

Q4 2015

Shares 29,073 Value ($000) $1,579,245 Avg Close $49.75 Range $44.01 - $54.52

Q3 2015

Shares 29,073 Value ($000) $1,509 Avg Close $49.96 Range $42.26 - $59.13

Q2 2015

Shares 29,073 Value ($000) $1,994 Avg Close $62.10 Range $58.06 - $67.58

Q1 2015

Shares 29,073 Value ($000) $2,092 Avg Close $54.56 Range $46.07 - $62.01

Q4 2014

Shares 29,073 Value ($000) $1,776 Avg Close $57.80 Range $45.45 - $73.16

Q3 2014

Shares 29,073 Value ($000) $2,517 Avg Close $76.69 Range $70.51 - $83.52

Q2 2014

Shares 5,545 Value ($000) $464 Avg Close $63.36 Range $52.18 - $72.01

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	21,100	$1,384	$82.33	$73.94 - $91.41
Q2 2025	21,100	$1,365	$80.28	$67.52 - $99.92
Q1 2025	19,400	$1,797	$108.01	$95.27 - $116.71
Q4 2024	19,900	$2,203	$126.38	$109.67 - $146.31
Q2 2024	5,651	$764	$148.16	$138.77 - $156.68
Q1 2024	1,951	$276	$135.33	$113.88 - $147.53
Q4 2023	1,951	$247	$121.60	$107.83 - $137.84
Q3 2023	2,100	$262	$122.44	$108.80 - $131.81
Q2 2023	2,100	$230	$108.79	$98.37 - $116.78
Q1 2023	2,100	$224	$109.37	$92.83 - $119.59
Q4 2022	4,235	$0	$95.20	$80.55 - $107.11
Q3 2022	8,000	$709	$90.33	$76.70 - $104.08
Q2 2022	5,700	$534	$115.03	$86.41 - $132.48
Q1 2022	4,300	$477	$102.15	$87.54 - $119.36
Q4 2021	11,700	$999	$91.08	$82.73 - $97.95
Q3 2021	15,400	$1,211	$79.74	$72.56 - $88.16
Q2 2020	4,300	$205	$42.05	$30.99 - $55.36
Q1 2020	10,400	$397	$51.06	$26.40 - $65.18
Q4 2018	99,800	$5,777	$64.35	$53.36 - $76.44
Q3 2018	98,600	$7,055	$86.83	$72.82 - $100.10
Q2 2016	40,040	$1,719	$39.55	$34.26 - $45.64
Q1 2016	40,040	$1,854	$39.11	$34.33 - $46.52
Q4 2015	29,073	$1,579,245	$49.75	$44.01 - $54.52
Q3 2015	29,073	$1,509	$49.96	$42.26 - $59.13
Q2 2015	29,073	$1,994	$62.10	$58.06 - $67.58
Q1 2015	29,073	$2,092	$54.56	$46.07 - $62.01
Q4 2014	29,073	$1,776	$57.80	$45.45 - $73.16
Q3 2014	29,073	$2,517	$76.69	$70.51 - $83.52
Q2 2014	5,545	$464	$63.36	$52.18 - $72.01