UNION CARBIDE CORPORATION NEWS RELEASE CONTACT: Terri McNeill Sean S. Clancy The Dow Chemical Company Union Carbide Corporation (517) 636-2876 (203) 794-6976 DOW AND UNION CARBIDE RECEIVE REQUESTS FROM FTC FOR ADDITIONAL MERGER INFORMATION; INITIAL NOTIFICATIONS RELATING TO MERGER PROVIDED TO EUROPEAN COMMISSION MIDLAND, Mich., and DANBURY, Conn., Nov. 15 -- The Dow Chemical Company (NYSE: DOW) and Union Carbide Corporation (NYSE: UK) today announced that each had received on November 12, 1999 a request from the Federal Trade Commission for additional information under the Hart-Scott-Rodino Antitrust Improvements Act of 1976. The FTC made these requests in connection with the pre-merger notifications under such Act made by Dow and Union Carbide on October 13, 1999 for the proposed merger between Union Carbide and a subsidiary of Dow. On October 29, 1999, Dow and Union Carbide provided initial merger notifications to, and is now in the process of review with, the European Commission. - END - 1999 P3-01-019 - 5 -