LYONDELLBASELL INDUSTRIES N

Ticker: LYB CUSIP: N53745100 Class: SHS - A -

STATE OF WISCONSIN INVESTMENT BOARD's Holding History (CIK: 0000854157)

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

Q4 2025

Shares 142,146 Value ($000) $6,155 Avg Close $44.45 Range $40.42 - $48.91

Q3 2025

Shares 134,298 Value ($000) $6,586 Avg Close $54.04 Range $45.14 - $64.08

Q2 2025

Shares 140,023 Value ($000) $8,102 Avg Close $54.42 Range $47.35 - $65.61

Q1 2025

Shares 177,465 Value ($000) $12,494 Avg Close $68.81 Range $64.06 - $72.64

Q4 2024

Shares 160,823 Value ($000) $11,944 Avg Close $75.68 Range $66.39 - $86.71

Q3 2024

Shares 160,824 Value ($000) $15,423 Avg Close $85.13 Range $80.76 - $89.00

Q2 2024

Shares 165,752 Value ($000) $15,856 Avg Close $86.82 Range $81.78 - $93.28

Q1 2024

Shares 158,840 Value ($000) $16,246 Avg Close $84.11 Range $78.76 - $90.03

Q4 2023

Shares 149,471 Value ($000) $14,212 Avg Close $79.84 Range $75.14 - $83.68

Q3 2023

Shares 138,458 Value ($000) $13,112 Avg Close $81.03 Range $73.71 - $86.68

Q2 2023

Shares 135,891 Value ($000) $12,479 Avg Close $75.96 Range $71.10 - $81.18

Q1 2023

Shares 138,090 Value ($000) $12,965 Avg Close $76.26 Range $67.16 - $82.72

Q4 2022

Shares 120,670 Value ($000) $10,019 Avg Close $66.35 Range $60.61 - $72.18

Q3 2022

Shares 141,453 Value ($000) $10,649 Avg Close $67.49 Range $57.57 - $73.55

Q2 2022

Shares 278,075 Value ($000) $24,320 Avg Close $79.53 Range $66.38 - $89.46

Q1 2022

Shares 291,868 Value ($000) $30,010 Avg Close $74.29 Range $66.25 - $81.32

Q4 2021

Shares 133,114 Value ($000) $12,277 Avg Close $68.36 Range $62.49 - $73.53

Q3 2021

Shares 131,965 Value ($000) $12,385 Avg Close $71.45 Range $64.68 - $77.10

Q2 2021

Shares 122,994 Value ($000) $12,652 Avg Close $77.96 Range $72.17 - $85.46

Q1 2021

Shares 292,894 Value ($000) $30,476 Avg Close $70.80 Range $59.77 - $80.95

Q4 2020

Shares 269,727 Value ($000) $24,723 Avg Close $57.51 Range $46.88 - $65.83

Q3 2020

Shares 357,290 Value ($000) $25,185 Avg Close $48.10 Range $42.57 - $56.75

Q2 2020

Shares 356,640 Value ($000) $23,438 Avg Close $40.79 Range $30.24 - $55.34

Q1 2020

Shares 339,306 Value ($000) $16,840 Avg Close $49.62 Range $22.99 - $64.16

Q4 2019

Shares 200,314 Value ($000) $18,926 Avg Close $61.14 Range $54.13 - $65.73

Q3 2019

Shares 207,149 Value ($000) $18,534 Avg Close $53.69 Range $44.98 - $60.16

Q2 2019

Shares 247,212 Value ($000) $21,292 Avg Close $55.39 Range $47.84 - $61.59

Q1 2019

Shares 283,232 Value ($000) $23,814 Avg Close $55.48 Range $52.21 - $58.46

Q4 2018

Shares 295,123 Value ($000) $24,542 Avg Close $57.98 Range $49.57 - $67.40

Q3 2018

Shares 353,683 Value ($000) $36,256 Avg Close $68.70 Range $62.65 - $73.08

Q2 2018

Shares 377,132 Value ($000) $41,428 Avg Close $68.36 Range $59.76 - $74.38

Q1 2018

Shares 377,254 Value ($000) $39,868 Avg Close $68.99 Range $63.29 - $75.06

Q4 2017

Shares 405,673 Value ($000) $44,754 Avg Close $63.47 Range $58.70 - $68.71

Q3 2017

Shares 491,801 Value ($000) $48,713 Avg Close $54.53 Range $49.87 - $61.44

Q2 2017

Shares 470,409 Value ($000) $39,698 Avg Close $49.80 Range $47.13 - $54.98

Q1 2017

Shares 374,969 Value ($000) $34,193 Avg Close $54.20 Range $50.83 - $57.80

Q4 2016

Shares 335,681 Value ($000) $28,795 Avg Close $49.39 Range $44.97 - $54.86

Q3 2016

Shares 368,650 Value ($000) $29,735 Avg Close $45.08 Range $41.44 - $47.92

Q2 2016

Shares 377,700 Value ($000) $28,108 Avg Close $47.57 Range $40.47 - $53.77

Q1 2016

Shares 406,380 Value ($000) $34,778 Avg Close $45.77 Range $39.24 - $51.62

Q4 2015

Shares 426,830 Value ($000) $37,092 Avg Close $52.02 Range $47.22 - $55.33

Q3 2015

Shares 387,760 Value ($000) $32,324 Avg Close $49.81 Range $40.98 - $58.40

Q2 2015

Shares 465,110 Value ($000) $48,148 Avg Close $56.14 Range $48.56 - $59.88

Q1 2015

Shares 534,400 Value ($000) $46,920 Avg Close $46.71 Range $39.72 - $50.93

Q4 2014

Shares 596,800 Value ($000) $47,380 Avg Close $47.78 Range $38.79 - $59.21

Q3 2014

Shares 534,940 Value ($000) $58,127 Avg Close $59.21 Range $53.00 - $63.39

Q2 2014

Shares 546,960 Value ($000) $53,411 Avg Close $51.88 Range $46.26 - $56.02

Q1 2014

Shares 499,090 Value ($000) $44,389 Avg Close $45.39 Range $40.01 - $49.80

Q4 2013

Shares 515,360 Value ($000) $41,373 Avg Close $41.05 Range $38.58 - $43.22

Q3 2013

Shares 520,000 Value ($000) $38,080 Avg Close $36.95 Range $34.32 - $40.39

Q2 2013

Shares 378,199 Value ($000) $25,059 Avg Close $33.34 Range $28.95 - $36.82

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	142,146	$6,155	$44.45	$40.42 - $48.91
Q3 2025	134,298	$6,586	$54.04	$45.14 - $64.08
Q2 2025	140,023	$8,102	$54.42	$47.35 - $65.61
Q1 2025	177,465	$12,494	$68.81	$64.06 - $72.64
Q4 2024	160,823	$11,944	$75.68	$66.39 - $86.71
Q3 2024	160,824	$15,423	$85.13	$80.76 - $89.00
Q2 2024	165,752	$15,856	$86.82	$81.78 - $93.28
Q1 2024	158,840	$16,246	$84.11	$78.76 - $90.03
Q4 2023	149,471	$14,212	$79.84	$75.14 - $83.68
Q3 2023	138,458	$13,112	$81.03	$73.71 - $86.68
Q2 2023	135,891	$12,479	$75.96	$71.10 - $81.18
Q1 2023	138,090	$12,965	$76.26	$67.16 - $82.72
Q4 2022	120,670	$10,019	$66.35	$60.61 - $72.18
Q3 2022	141,453	$10,649	$67.49	$57.57 - $73.55
Q2 2022	278,075	$24,320	$79.53	$66.38 - $89.46
Q1 2022	291,868	$30,010	$74.29	$66.25 - $81.32
Q4 2021	133,114	$12,277	$68.36	$62.49 - $73.53
Q3 2021	131,965	$12,385	$71.45	$64.68 - $77.10
Q2 2021	122,994	$12,652	$77.96	$72.17 - $85.46
Q1 2021	292,894	$30,476	$70.80	$59.77 - $80.95
Q4 2020	269,727	$24,723	$57.51	$46.88 - $65.83
Q3 2020	357,290	$25,185	$48.10	$42.57 - $56.75
Q2 2020	356,640	$23,438	$40.79	$30.24 - $55.34
Q1 2020	339,306	$16,840	$49.62	$22.99 - $64.16
Q4 2019	200,314	$18,926	$61.14	$54.13 - $65.73
Q3 2019	207,149	$18,534	$53.69	$44.98 - $60.16
Q2 2019	247,212	$21,292	$55.39	$47.84 - $61.59
Q1 2019	283,232	$23,814	$55.48	$52.21 - $58.46
Q4 2018	295,123	$24,542	$57.98	$49.57 - $67.40
Q3 2018	353,683	$36,256	$68.70	$62.65 - $73.08
Q2 2018	377,132	$41,428	$68.36	$59.76 - $74.38
Q1 2018	377,254	$39,868	$68.99	$63.29 - $75.06
Q4 2017	405,673	$44,754	$63.47	$58.70 - $68.71
Q3 2017	491,801	$48,713	$54.53	$49.87 - $61.44
Q2 2017	470,409	$39,698	$49.80	$47.13 - $54.98
Q1 2017	374,969	$34,193	$54.20	$50.83 - $57.80
Q4 2016	335,681	$28,795	$49.39	$44.97 - $54.86
Q3 2016	368,650	$29,735	$45.08	$41.44 - $47.92
Q2 2016	377,700	$28,108	$47.57	$40.47 - $53.77
Q1 2016	406,380	$34,778	$45.77	$39.24 - $51.62
Q4 2015	426,830	$37,092	$52.02	$47.22 - $55.33
Q3 2015	387,760	$32,324	$49.81	$40.98 - $58.40
Q2 2015	465,110	$48,148	$56.14	$48.56 - $59.88
Q1 2015	534,400	$46,920	$46.71	$39.72 - $50.93
Q4 2014	596,800	$47,380	$47.78	$38.79 - $59.21
Q3 2014	534,940	$58,127	$59.21	$53.00 - $63.39
Q2 2014	546,960	$53,411	$51.88	$46.26 - $56.02
Q1 2014	499,090	$44,389	$45.39	$40.01 - $49.80
Q4 2013	515,360	$41,373	$41.05	$38.58 - $43.22
Q3 2013	520,000	$38,080	$36.95	$34.32 - $40.39
Q2 2013	378,199	$25,059	$33.34	$28.95 - $36.82