NEWMARKET CORP

Ticker: NEU CUSIP: 651587107 Class: Common Stock

&PARTNERS's Holding History (CIK: 0000107136)

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

Q4 2025

Shares 397 Value ($000) $273 Avg Close $760.94 Range $681.51 - $872.48

Q3 2025

Shares 435 Value ($000) $360 Avg Close $765.22 Range $638.93 - $848.55

Q2 2025

Shares 353 Value ($000) $243 Avg Close $613.76 Range $504.22 - $687.53

Q4 2024

Shares 400 Value ($000) $203 Avg Close $524.83 Range $505.33 - $552.01

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	397	$273	$760.94	$681.51 - $872.48
Q3 2025	435	$360	$765.22	$638.93 - $848.55
Q2 2025	353	$243	$613.76	$504.22 - $687.53
Q4 2024	400	$203	$524.83	$505.33 - $552.01