NEWMARKET CORP

Ticker: NEU CUSIP: 651587107 Class: Common Stock

Port Capital LLC's Holding History (CIK: 0001729212)

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

Q1 2020

Shares 7,398 Value ($000) $2,832 Avg Close $372.19 Range $269.90 - $430.80

Q4 2019

Shares 12,658 Value ($000) $6,158 Avg Close $422.68 Range $399.06 - $443.47

Q3 2019

Shares 12,695 Value ($000) $5,993 Avg Close $390.45 Range $346.89 - $427.60

Q2 2019

Shares 23,795 Value ($000) $9,540 Avg Close $360.19 Range $334.73 - $381.37

Q1 2019

Shares 23,535 Value ($000) $10,204 Avg Close $366.76 Range $341.11 - $392.35

Q4 2018

Shares 20,920 Value ($000) $8,621 Avg Close $341.94 Range $304.59 - $367.37

Q3 2018

Shares 19,995 Value ($000) $8,108 Avg Close $343.80 Range $316.13 - $356.21

Q2 2018

Shares 18,595 Value ($000) $7,522 Avg Close $334.90 Range $306.56 - $357.60

Q1 2018

Shares 16,345 Value ($000) $6,565 Avg Close $347.26 Range $318.29 - $372.85

Q4 2017

Shares 16,845 Value ($000) $6,694 Avg Close $343.86 Range $321.43 - $368.50

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2020	7,398	$2,832	$372.19	$269.90 - $430.80
Q4 2019	12,658	$6,158	$422.68	$399.06 - $443.47
Q3 2019	12,695	$5,993	$390.45	$346.89 - $427.60
Q2 2019	23,795	$9,540	$360.19	$334.73 - $381.37
Q1 2019	23,535	$10,204	$366.76	$341.11 - $392.35
Q4 2018	20,920	$8,621	$341.94	$304.59 - $367.37
Q3 2018	19,995	$8,108	$343.80	$316.13 - $356.21
Q2 2018	18,595	$7,522	$334.90	$306.56 - $357.60
Q1 2018	16,345	$6,565	$347.26	$318.29 - $372.85
Q4 2017	16,845	$6,694	$343.86	$321.43 - $368.50