2009-01-13 19:00:03 -

NewMarket Corporation (NYSE:NEU) announced today it will release fourth quarter 2008 and year-end earnings at the close of business on Wednesday, February 4, 2009. The earnings announcement will also be available on the company's website at www.NewMarket.com beginning Thursday, February 5, 2009. A conference call and Internet webcast is scheduled for 10:00 a.m. EST on Thursday, February 5, to review

fourth quarter and year-end 2008 financial results.


You can access the conference call live by dialing 1-877-407-8031 (domestic) or 1-201-689-8031 (international) and requesting the NewMarket conference call. To avoid delays, callers should dial in five minutes early. The call will also be broadcast via the Internet and can be accessed through the Company's website at www.NewMarket.com or www.investorcalendar.com. A teleconference replay of the call will be available until February 19, 2009 at 11:59 p.m. EST by dialing 1-877-660-6853 (domestic) and 1-201-612-7415 (international). The account number is 286. The conference ID number is 309859. A webcast replay will be available for 30 days.


NewMarket Corporation through its subsidiaries, Afton Chemical Corporation and Ethyl Corporation, develops, manufactures, blends, and delivers chemical additives that enhance the performance of petroleum products. From custom-formulated chemical blends to market-general additive components, the NewMarket family of companies provides the world with the technology to make fuels burn cleaner, engines run smoother and machines last longer.





NewMarket Corporation

Investor Relations

David A. Fiorenza, 804-788-5555

Fax: 804-788-5688

investorrelations@NewMarket.com