NEWMARKET CORP

Ticker: NEU CUSIP: 651587107 Class: Common Stock

Great Diamond Partners, LLC's Holding History (CIK: 0001801112)

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

Q4 2019

Shares 74 Value ($000) $36 Avg Close $422.68 Range $399.06 - $443.47

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2019	74	$36	$422.68	$399.06 - $443.47