<SEC-DOCUMENT>0001193125-23-066648-index.html : 20230310
<SEC-HEADER>0001193125-23-066648.hdr.sgml : 20230310
<ACCEPTANCE-DATETIME>20230310060857
ACCESSION NUMBER:		0001193125-23-066648
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		7
FILED AS OF DATE:		20230310
DATE AS OF CHANGE:		20230310

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			NEWMARKET CORP
		CENTRAL INDEX KEY:			0001282637
		STANDARD INDUSTRIAL CLASSIFICATION:	INDUSTRIAL ORGANIC CHEMICALS [2860]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			VA
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		DEFA14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-32190
		FILM NUMBER:		23721520

	BUSINESS ADDRESS:	
		STREET 1:		330 S FOURTH ST
		STREET 2:		PO BOX 2189
		CITY:			RICHMOND
		STATE:			VA
		ZIP:			23218-2189
		BUSINESS PHONE:		804-788-5000

	MAIL ADDRESS:	
		STREET 1:		330 S FOURTH ST
		STREET 2:		PO BOX 2189
		CITY:			RICHMOND
		STATE:			VA
		ZIP:			23218-2189
</SEC-HEADER>
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<TYPE>DEFA14A
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<DESCRIPTION>DEFA14A
<TEXT>
Document 1 - file: d438880ddefa14a.htm

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<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: g438880dsp1c.jpg

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<FILENAME>g438880dsp1j.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: g438880dsp1j.jpg

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<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>g438880dsp1k.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: g438880dsp1k.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>g438880dsp3d.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: g438880dsp3d.jpg

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>g438880dsp3e.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 6 - file: g438880dsp3e.jpg

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<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>g438880g10w77.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 7 - file: g438880g10w77.jpg

</DOCUMENT>
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