NewMarket (NEU) 8-K Entry into a Material Definitive Agreement

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Form 8-K

Current Report

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported):  12/17/2008

NewMarket Corporation

(Exact name of registrant as specified in its charter)

Commission File Number:  1-32190

Virginia	20-0812170
(State or other jurisdiction of	(IRS Employer
incorporation)	Identification No.)

330 South Fourth Street, Richmond, VA 23219

(Address of principal executive offices, including zip code)

804-788-5000

(Registrant’s telephone number, including area code)

Not applicable

(Former name or former address, if changed since last report)