STEEL DYNAMICS INC

Ticker: STLD CUSIP: 858119100 Class: COMMON STOCK

National Pension Service's Holding History (CIK: 0001608046)

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

Q4 2025

Shares 288,248 Value ($000) $48,844 Avg Close $158.36 Range $137.70 - $177.84

Q3 2025

Shares 46,969 Value ($000) $6,549 Avg Close $130.39 Range $119.11 - $140.98

Q2 2025

Shares 37,856 Value ($000) $4,846 Avg Close $126.36 Range $102.11 - $140.95

Q1 2025

Shares 38,416 Value ($000) $4,805 Avg Close $124.96 Range $109.33 - $137.65

Q4 2024

Shares 246,644 Value ($000) $28,135 Avg Close $130.47 Range $111.65 - $152.72

Q3 2024

Shares 256,494 Value ($000) $32,339 Avg Close $118.85 Range $102.31 - $134.27

Q2 2024

Shares 337,164 Value ($000) $43,663 Avg Close $130.12 Range $115.35 - $147.49

Q1 2024

Shares 345,166 Value ($000) $51,164 Avg Close $122.14 Range $106.53 - $144.95

Q4 2023

Shares 357,646 Value ($000) $42,238 Avg Close $107.90 Range $95.11 - $124.46

Q3 2023

Shares 357,646 Value ($000) $36,773 Avg Close $100.40 Range $92.11 - $107.71

Q2 2023

Shares 363,075 Value ($000) $39,626 Avg Close $97.72 Range $86.96 - $110.55

Q1 2023

Shares 347,937 Value ($000) $38,743 Avg Close $111.23 Range $90.76 - $130.54

Q4 2022

Shares 335,475 Value ($000) $32,776 Avg Close $91.75 Range $68.70 - $107.85

Q3 2022

Shares 377,525 Value ($000) $26,695 Avg Close $71.84 Range $59.25 - $84.09

Q2 2022

Shares 382,365 Value ($000) $25,293 Avg Close $75.64 Range $60.78 - $94.76

Q1 2022

Shares 370,213 Value ($000) $30,887 Avg Close $63.45 Range $47.52 - $84.34

Q4 2021

Shares 83,163 Value ($000) $5,162 Avg Close $58.59 Range $52.93 - $64.63

Q3 2021

Shares 83,163 Value ($000) $4,863 Avg Close $59.61 Range $51.19 - $69.35

Q3 2019

Shares 375,757 Value ($000) $11,198 Avg Close $25.87 Range $22.50 - $28.88

Q2 2019

Shares 356,137 Value ($000) $10,755 Avg Close $26.59 Range $21.75 - $31.41

Q1 2019

Shares 363,414 Value ($000) $12,818 Avg Close $30.67 Range $25.17 - $33.96

Q4 2018

Shares 349,615 Value ($000) $12,852 Avg Close $32.42 Range $24.79 - $39.93

Q3 2018

Shares 315,239 Value ($000) $14,246 Avg Close $39.33 Range $35.70 - $42.45

Q2 2018

Shares 311,271 Value ($000) $14,284 Avg Close $40.25 Range $36.27 - $44.32

Q1 2018

Shares 4,478 Value ($000) $198 Avg Close $39.00 Range $34.83 - $42.94

Q4 2017

Shares 3,476 Value ($000) $150 Avg Close $32.46 Range $28.33 - $37.17

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	288,248	$48,844	$158.36	$137.70 - $177.84
Q3 2025	46,969	$6,549	$130.39	$119.11 - $140.98
Q2 2025	37,856	$4,846	$126.36	$102.11 - $140.95
Q1 2025	38,416	$4,805	$124.96	$109.33 - $137.65
Q4 2024	246,644	$28,135	$130.47	$111.65 - $152.72
Q3 2024	256,494	$32,339	$118.85	$102.31 - $134.27
Q2 2024	337,164	$43,663	$130.12	$115.35 - $147.49
Q1 2024	345,166	$51,164	$122.14	$106.53 - $144.95
Q4 2023	357,646	$42,238	$107.90	$95.11 - $124.46
Q3 2023	357,646	$36,773	$100.40	$92.11 - $107.71
Q2 2023	363,075	$39,626	$97.72	$86.96 - $110.55
Q1 2023	347,937	$38,743	$111.23	$90.76 - $130.54
Q4 2022	335,475	$32,776	$91.75	$68.70 - $107.85
Q3 2022	377,525	$26,695	$71.84	$59.25 - $84.09
Q2 2022	382,365	$25,293	$75.64	$60.78 - $94.76
Q1 2022	370,213	$30,887	$63.45	$47.52 - $84.34
Q4 2021	83,163	$5,162	$58.59	$52.93 - $64.63
Q3 2021	83,163	$4,863	$59.61	$51.19 - $69.35
Q3 2019	375,757	$11,198	$25.87	$22.50 - $28.88
Q2 2019	356,137	$10,755	$26.59	$21.75 - $31.41
Q1 2019	363,414	$12,818	$30.67	$25.17 - $33.96
Q4 2018	349,615	$12,852	$32.42	$24.79 - $39.93
Q3 2018	315,239	$14,246	$39.33	$35.70 - $42.45
Q2 2018	311,271	$14,284	$40.25	$36.27 - $44.32
Q1 2018	4,478	$198	$39.00	$34.83 - $42.94
Q4 2017	3,476	$150	$32.46	$28.33 - $37.17