SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ______________________ FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported) April 7, 1999 UNION CARBIDE CORPORATION (Exact name of registrant as specified in its charter) New York 1-1463 13-1421730 (State or other (Commission File Number) (IRS Employer jurisdiction of Identification No.) incorporation) 39 Old Ridgebury Rd, Danbury, CT 06817-0001 (Address of principal executive offices) (Zip code) Registrant's telephone number, including area code 203-794-2000 Total number of sequentially numbered pages in this filing, including exhibits thereto: 5 Item 5. OTHER EVENTS. (a) See Union Carbide Corporation's Computation of Ratio of Earnings to Fixed Charges for the year ended December 31, 1998 accompanying this report as Exhibit 12. Item 7. FINANCIAL STATEMENTS AND EXHIBITS. (c) Exhibits. 12. Computation of Ratio of Earnings to Fixed Charges for the year ended December 31, 1998. - 2 - Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. Date: April 7, 1999 UNION CARBIDE CORPORATION By /s/ J. Macdonald J. Macdonald Assistant Secretary - 3 - EXHIBIT INDEX Exhibit 12. Computation of Ratio of Earnings to Fixed Charges for the year ended December 31, 1998. - 4 -