NewMarket Corporation (NYSE: NEU) announced today it will release third quarter 2017 earnings at the close of business on Wednesday, October 25, 2017. The earnings announcement will also be available on the Company's website at www.NewMarket.com beginning Thursday, October 26, 2017. A conference call and Internet webcast is scheduled for 3:00 pm EDT on Thursday, October 26, 2017, to review third quarter 2017 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. A teleconference replay of the call will be available until November 2, 2017 at 11:59 p.m. EDT by dialing 1-877-481-4010 (domestic) and 1-919-882-2331 (international). The replay ID number is 20650. 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 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 additive packages to market-general additives, the NewMarket family of companies provides the world with the technology to make engines run smoother, machines last longer, and fuels burn cleaner.