NewMarket Corporation Schedules Conference Call and Webcast to Review First Quarter 2019 Financial Results 
4/3/2019 

Richmond, VA –April 3, 2019--NewMarket Corporation (NYSE: NEU) announced today it will release first quarter 2019 earnings at the close of business on Wednesday, April 24, 2019.  The earnings announcement will also be available on the Company’s website at www.NewMarket.com beginning Thursday, April 25, 2019.  A conference call and Internet webcast is scheduled for 3:00 pm EDT on Thursday, April 25, 2019 to review first quarter 2019 financial results. 

You can access the conference call live by dialing 1-844-369-8770 (domestic) or 1-862-298-0840 (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 May 25, 2019 at 3:00 p.m. EDT by dialing 1-877-481-4010  (domestic) or 1-919-882-2331 (international).  The replay ID number is 45777.

The call will also be broadcast via the Internet and can be accessed through the Company’s website at www.NewMarket.com or www.investornetwork.com/event/presentation/45777.   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.

CONTACT:  NewMarket Corporation
                 Investor Relations
                 Brian D. Paliotti, 804-788-5555
                 Fax:  804-788-5688
                 Email:  investorrelations@NewMarket.com