 RICHMOND, Va.-- BUSINESS WIRE --NewMarket Corporation NYSE: NEU announced today it expects to release fourth quarter and full year 2022 earnings at the close of business on Tuesday, January 31, 2023. The earnings announcement will also be available on the Companys website at the following day. A conference call and Internet webcast is scheduled for 3:00 pm EST on Wednesday, February 1, 2023 to review fourth quarter and full year 2022 financial results. 