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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1282637	Newmarket Corp	NEU	()	4

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1246518	E Thomas Gottwald	330 South Fourth Street Richmond VA 23219	Chairman, President & Ceo	No	No	No	No

Reported Non-Derivative Transactions

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership
Common Stock	Disposition	2024-03-04	2,537	$645.23	159,132	No	4	S	Direct
Common Stock	Disposition	2024-03-04	1,026	$646.30	158,106	No	4	S	Direct
Common Stock	Disposition	2024-03-04	860	$647.60	157,246	No	4	S	Direct
Common Stock	Disposition	2024-03-04	8	$648.08	157,238	No	4	S	Direct
Common Stock	Disposition	2024-03-04	453	$650.01	156,785	No	4	S	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct

Reported Non-Derivative Holdings

Sec. Name	Remaning Holdings	Nature of Ownership	Explanation
Common Stock	5,087	Indirect	Shares held by reporting person's wife
Common Stock	2,166	Indirect	Shares held as trustee for grandchild (trust 1)
Common Stock	1,718	Indirect	Shares held as trustee for grandchild (trust 2)
Common Stock	1,572	Indirect	Shares held as trustee for grandchild (trust 3)
Common Stock	1,408	Indirect	Shares held as trustee for grandchild (trust 4)
Common Stock	1,178	Indirect	Shares held as trustee for grandchild (trust 5)
Common Stock	880	Indirect	Shares held as trustee for grandchild (trust 6)
Common Stock	843	Indirect	Shares held as trustee for grandchild (trust 7)
Common Stock	501	Indirect	Shares held as trustee for grandchild (trust 8)
Common Stock	297	Indirect	Shares held as trustee for grandchild (trust 9)
Common Stock	252	Indirect	Shares held as trustee for grandchild (trust 10)
Common Stock	46,407	Indirect	Shares held as co-trustee fbo (among others reporting Floyd D. Gottwald)
Commons Stock	6,889	Indirect	Shares held as co-trustee fbo children dtd. 12/16/1991
Common Stock	24,713	Indirect	2021 GRAT #2
Common Stock	83,192	Indirect	2022 GRAT
Common Stock	38,412	Indirect	NewMarket Savings Plan

Footnotes

The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $645.00 to $645.97, inclusive. The reporting person undertakes to provide to NewMarket Corporation, any security holder of NewMarket Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote as well as in footnotes 2 through 4.
The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $646.00 to $646.91, inclusive.
The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $647.05 to $647.94, inclusive.
The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $650.00 to $650.25, inclusive.
The increase in shares is due to periodic purchases by the Plan Trustee pursuant to the Plan.