NEWMARKET CORP

Ticker: NEU CUSIP: 651587107 Class: Common Stock

MARSHALL WACE, LLP's Holding History (CIK: 0001318757)

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

Q4 2025

Shares 3,062 Value ($000) $2,104 Avg Close $760.94 Range $681.51 - $872.48

Q3 2025

Shares 304 Value ($000) $252 Avg Close $765.22 Range $638.93 - $848.55

Q3 2024

Shares 737 Value ($000) $407 Avg Close $534.11 Range $491.57 - $581.63

Q2 2024

Shares 3,012 Value ($000) $1,553 Avg Close $539.68 Range $481.41 - $618.19

Q2 2020

Shares 6,293 Value ($000) $2,520 Avg Close $365.81 Range $326.77 - $406.22

Q3 2019

Shares 3,004 Value ($000) $1,418 Avg Close $390.45 Range $346.89 - $427.60

Q2 2014

Shares 700 Value ($000) $274 Avg Close $310.95 Range $287.91 - $326.05

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	3,062	$2,104	$760.94	$681.51 - $872.48
Q3 2025	304	$252	$765.22	$638.93 - $848.55
Q3 2024	737	$407	$534.11	$491.57 - $581.63
Q2 2024	3,012	$1,553	$539.68	$481.41 - $618.19
Q2 2020	6,293	$2,520	$365.81	$326.77 - $406.22
Q3 2019	3,004	$1,418	$390.45	$346.89 - $427.60
Q2 2014	700	$274	$310.95	$287.91 - $326.05