NEWMARKET CORP

Ticker: NEU CUSIP: 651587107 Class: Common Stock

MACKAY SHIELDS LLC's Holding History (CIK: 0000061227)

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

Q2 2020

Shares 1,300 Value ($000) $520 Avg Close $365.81 Range $326.77 - $406.22

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2020	1,300	$520	$365.81	$326.77 - $406.22