NEWMARKET CORP

Ticker: NEU CUSIP: 651587107 Class: Common Stock

Fortitude Family Office, LLC's Holding History (CIK: 0001950506)

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

Q4 2025

Shares 39 Value ($000) $27 Avg Close $760.94 Range $681.51 - $872.48

Q3 2025

Shares 40 Value ($000) $33 Avg Close $765.22 Range $638.93 - $848.55

Q2 2025

Shares 40 Value ($000) $28 Avg Close $613.76 Range $504.22 - $687.53

Q1 2025

Shares 39 Value ($000) $22 Avg Close $518.78 Range $472.01 - $565.18

Q4 2024

Shares 39 Value ($000) $21 Avg Close $524.83 Range $505.33 - $552.01

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	39	$27	$760.94	$681.51 - $872.48
Q3 2025	40	$33	$765.22	$638.93 - $848.55
Q2 2025	40	$28	$613.76	$504.22 - $687.53
Q1 2025	39	$22	$518.78	$472.01 - $565.18
Q4 2024	39	$21	$524.83	$505.33 - $552.01