Ethyl Shareholders Approve New Corporate Structure 
RICHMOND, Va. (May 27, 2004)  --Voting at their annual meeting, Ethyl Corporation's (NYSE: EY) shareholders have approved the company's move to a holding company structure. As previously announced the new holding company will be named NewMarket Corporation. Upon completion of the transaction, which is anticipated to take place on or before July 1, 2004, each share of the current Ethyl common stock will automatically be converted into one share of NewMarket common stock. NewMarket Corporation is expected to be listed on the New York Stock Exchange under the ticker symbol "NEU".

Following the establishment of the holding company structure and an internal restructuring of its subsidiaries, NewMarket will become the parent company of two operating companies each managing its own assets and liabilities. Those companies are Afton Chemical Corporation (formerly named Ethyl Petroleum Additives, Inc.) which focuses on petroleum additive products; and Ethyl Corporation, representing certain manufacturing operations and the tetraethyl lead (TEL) business that inspired the original Ethyl name.

Discussing the new structure, President and CEO Thomas E. Gottwald said: "We believe that the creation of NewMarket effectively mirrors the way we have reported operations for many years. At the same time, we believe that it will add important strengths as we continue to pursue the goals of our management team: new customer solutions, increased shareholder value, and enhanced employee opportunity."

Gottwald added "we believe that the creation of NewMarket brings clarity to our operating structure and will establish a foundation for our future evolution. We believe the holding company will facilitate acquisitions and joint ventures, diversification into new markets and improve financing options. Through our transition to NewMarket, our commitment to our customers to deliver the most innovative, productive value-added solutions emphatically remains unchanged."

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 Ethyl'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: our ability to complete the holding company restructuring and internal subsidiary restructuring, timing of sales orders; gain or loss of significant customers; competition from other manufacturers; a significant rise in interest rates; resolution of environmental liabilities; changes in the demand for Ethyl's products; significant changes in new product introduction; increases in product cost; the impact of fluctuations in foreign exchange rates on reported results of operations; changes in various markets; geopolitical risks in certain of the countries in which Ethyl conducts business; the impact of consolidation of the petroleum additives industry; and other factors detailed from time to time in the reports that Ethyl files with the Securities and Exchange Commission, including the risk factors in Item 7A, "Quantitative and Qualitative Disclosures About Market Risk" of Ethyl's 2003 Annual Report on Form 10-K, which is available to shareholders upon request.

     Ethyl Corporation, Richmond
     Investor Relations: David A. Fiorenza, 804-788-5555
     Fax: 804-788-5688