Afton Chemical Wins Two "Top 5 Best Supplier" Awards at the 2nd Global Automotive Powertrain Summit 2018

SINGAPORE,Dec. 20,2018 -- Afton Chemical received the "Top 5 Best Fuel Additive Supplier" and "Top 5 Best Lubricant Supplier" awards at the 2nd Global Automotive Powertrain Summit 2018 held on the 15th and 16th of November in Shanghai,awarded by OEG Events.

Mr. Bill Russo,Chairman of the Automotive Committee at the American Chamber of Commerce in Shanghai,presented the two "Top 5 Best Supplier" awards to Mr Michael Liang,Asia Pacific Technology Director,Afton Chemical.

Mr Bill Russo,presented the awards to Afton Chemical in recognition of the innovations that promote the development of the best fuel additives and lubricants as well as the suppliers' contributions to the industry,customers and OEMs in 2018.

The nominees in each award category were shortlisted through a systematic process.A selection committee made up of 7 industry experts from universities,China and Global OEMs,as well as members of the organizing committee conducted detailed research and assessment on market performance of these nominated companies,along with recommendations and justifications,decides on the deserving award recipients.

"The two awards demonstrate Afton's significant leadership in both fuel and lubricants additive technologies in China," said Michael Liang,Afton Chemical,when receiving the award. "These awards recognize Afton for its innovative additive technologies as well as our open and collaborative business values.Afton's Passion for Solutions® philosophy forms our unique approach to business.Our enthusiastic people partner with our customers to understand their needs and translate market insights into innovative solutions to help them differentiate and gain a competitive advantage in the marketplace."

Afton Chemical has been a key player in the lubricant and fuel additive industry for more than 95 years. Its range of technology solutions includes Driveline,Engine Oils,Performance and Refinery Fuels,and Industrial additives.

More than 223 participants from around the world joined in the two-day summit,including guests from the China Automotive Technology and Research Center Co.,Ltd.,OEMs,Tier1 suppliers,research universities,consulting firms,and well-known local and overseas guest speakers.

About Afton Chemical Corporation:

Afton Chemical Corporation is part of the NewMarket Corporation (NYSE: NEU) family of companies. Afton Chemical Corporation uses its formulation,engineering and marketing expertise to help their customers develop and market fuels and lubricants that reduce emissions,improve fuel economy,extend equipment life,improve operator satisfaction and lower the total cost of vehicle and equipment operation. Afton Chemical Corporation develops and sells an extensive line of unique additives for gasoline and distillate fuels,driveline fluids,engine oils and industrial lubricants. Afton Chemical Corporation supports global operations through regional headquarters located in Asia Pacific,EMEAI,Latin America and North America. Afton Chemical Corporation is headquartered in Richmond,Virginia. For more information,visit www.aftonchemical.com.

Cautionary Note Regarding Forward-Looking Statements:

Some of the information contained in this press release constitutes forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. Although NewMarket's management believes its expectations are based on reasonable assumptions within the bounds of its knowledge of its business and operations,there can be no assurance that actual results will not differ materially from expectations.

Factors that could cause actual results to differ materially from expectations include,but are not limited to,the availability of raw materials and distribution systems; disruptions at manufacturing facilities,including single-sourced facilities; the ability to respond effectively to technological changes in our industry; failure to protect our intellectual property rights; failure to attract and retain a highly-qualified workforce; hazards common to chemical businesses; competition from other manufacturers; sudden or sharp raw material price increases; the gain or loss of significant customers; the occurrence or threat of extraordinary events,including natural disasters and terrorist attacks; risks related to operating outside of the United States; the impact of fluctuations in foreign exchange rates; an information technology system failure or security breach; political,economic,and regulatory factors concerning our products; current and future governmental regulations; resolution of environmental liabilities or legal proceedings; our inability to realize expected benefits from investment in our infrastructure or from recent or future acquisitions,or our inability to successfully integrate recent or future acquisitions into our business; and other factors detailed from time to time in the reports that NewMarket files with the Securities and Exchange Commission,including the risk factors in Item 1A. "Risk Factors" of our 2017 Annual Report on Form 10-K,which is available to shareholders upon request.

You should keep in mind that any forward-looking statement made by NewMarket in the foregoing discussion speaks only as of the date on which such forwardlooking statement is made. New risks and uncertainties arise from time to time,and it is impossible for us to predict these events or how they may affect the Company. We have no duty to,and do not intend to,update or revise the forward-looking statements in this discussion after the date hereof,except as may be required by law. In light of these risks and uncertainties,you should keep in mind that the events described in any forward-looking statement made in this discussion,or elsewhere,might not occur.

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