NewMarket Corporation (NYSE: NEU) announced today it will release third quarter 2012 earnings at the close of business on Thursday, October 25, 2012. The earnings announcement will also be available on the Company’s website at www.NewMarket.com beginning Friday, October 26, 2012. A conference call and Internet webcast is scheduled for 10:00 a.m. EDT on Friday, October 26, to review third quarter 2012 financial results. You can access the conference call live by dialing 1-877-407-9210 (domestic) or 1-201-689-8049 (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 November 2, 2012 at 11:59 p.m. EDT by dialing 1-877-660-6853 (domestic) and 1-201-612-7415 (international). The conference ID number is 401293. 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.