NEWMARKET CORP

Ticker: NEU CUSIP: 651587107 Class: Common Stock

Robeco Institutional Asset Management B.V.'s Holding History (CIK: 0001418773)

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

Q4 2025

Shares 16,087 Value ($000) $11,056 Avg Close $760.94 Range $681.51 - $872.48

Q3 2025

Shares 12,537 Value ($000) $10,383 Avg Close $765.22 Range $638.93 - $848.55

Q2 2025

Shares 10,384 Value ($000) $7,174 Avg Close $613.76 Range $504.22 - $687.53

Q1 2025

Shares 10,384 Value ($000) $5,882 Avg Close $518.78 Range $472.01 - $565.18

Q4 2024

Shares 26,093 Value ($000) $13,786 Avg Close $524.83 Range $505.33 - $552.01

Q3 2024

Shares 34,994 Value ($000) $19,313 Avg Close $534.11 Range $491.57 - $581.63

Q2 2024

Shares 45,262 Value ($000) $23,336 Avg Close $539.68 Range $481.41 - $618.19

Q1 2024

Shares 63,167 Value ($000) $40,087 Avg Close $579.25 Range $521.43 - $627.84

Q4 2023

Shares 54,768 Value ($000) $29,894 Avg Close $484.07 Range $420.31 - $558.62

Q3 2023

Shares 50,027 Value ($000) $22,764 Avg Close $432.54 Range $384.81 - $455.58

Q2 2023

Shares 11,518 Value ($000) $4,632 Avg Close $371.63 Range $342.24 - $391.75

Q1 2023

Shares 11,589 Value ($000) $4,230 Avg Close $328.40 Range $294.10 - $350.56

Q4 2022

Shares 11,589 Value ($000) $3,605 Avg Close $289.43 Range $270.68 - $304.97

Q3 2022

Shares 11,589 Value ($000) $3,486 Avg Close $280.17 Range $261.50 - $291.64

Q2 2022

Shares 11,628 Value ($000) $3,499 Avg Close $299.74 Range $266.47 - $325.87

Q1 2022

Shares 11,628 Value ($000) $3,772 Avg Close $302.02 Range $272.47 - $332.04

Q4 2021

Shares 11,805 Value ($000) $4,046 Avg Close $315.81 Range $293.55 - $346.26

Q3 2021

Shares 15,086 Value ($000) $5,111 Avg Close $298.18 Range $270.16 - $319.80

Q2 2021

Shares 15,086 Value ($000) $4,857 Avg Close $316.40 Range $278.28 - $356.60

Q1 2021

Shares 11,573 Value ($000) $4,398 Avg Close $359.80 Range $339.62 - $388.94

Q4 2020

Shares 12,764 Value ($000) $5,083 Avg Close $333.55 Range $297.49 - $367.48

Q3 2020

Shares 12,764 Value ($000) $4,370 Avg Close $338.72 Range $302.34 - $384.29

Q2 2020

Shares 12,764 Value ($000) $5,111 Avg Close $365.81 Range $326.77 - $406.22

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	16,087	$11,056	$760.94	$681.51 - $872.48
Q3 2025	12,537	$10,383	$765.22	$638.93 - $848.55
Q2 2025	10,384	$7,174	$613.76	$504.22 - $687.53
Q1 2025	10,384	$5,882	$518.78	$472.01 - $565.18
Q4 2024	26,093	$13,786	$524.83	$505.33 - $552.01
Q3 2024	34,994	$19,313	$534.11	$491.57 - $581.63
Q2 2024	45,262	$23,336	$539.68	$481.41 - $618.19
Q1 2024	63,167	$40,087	$579.25	$521.43 - $627.84
Q4 2023	54,768	$29,894	$484.07	$420.31 - $558.62
Q3 2023	50,027	$22,764	$432.54	$384.81 - $455.58
Q2 2023	11,518	$4,632	$371.63	$342.24 - $391.75
Q1 2023	11,589	$4,230	$328.40	$294.10 - $350.56
Q4 2022	11,589	$3,605	$289.43	$270.68 - $304.97
Q3 2022	11,589	$3,486	$280.17	$261.50 - $291.64
Q2 2022	11,628	$3,499	$299.74	$266.47 - $325.87
Q1 2022	11,628	$3,772	$302.02	$272.47 - $332.04
Q4 2021	11,805	$4,046	$315.81	$293.55 - $346.26
Q3 2021	15,086	$5,111	$298.18	$270.16 - $319.80
Q2 2021	15,086	$4,857	$316.40	$278.28 - $356.60
Q1 2021	11,573	$4,398	$359.80	$339.62 - $388.94
Q4 2020	12,764	$5,083	$333.55	$297.49 - $367.48
Q3 2020	12,764	$4,370	$338.72	$302.34 - $384.29
Q2 2020	12,764	$5,111	$365.81	$326.77 - $406.22