NEWMARKET CORP

Ticker: NEU CUSIP: 651587107 Class: Common Stock

Round Rock Advisors, LLC's Holding History (CIK: 0001846991)

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

Q4 2025

Shares 452 Value ($000) $311 Avg Close $760.94 Range $681.51 - $872.48

Q3 2025

Shares 612 Value ($000) $507 Avg Close $765.22 Range $638.93 - $848.55

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	452	$311	$760.94	$681.51 - $872.48
Q3 2025	612	$507	$765.22	$638.93 - $848.55