<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS RESTATED SUMMARY FINANCIAL INFORMATION EXTRACTED FROM
UNION CARBIDE CORPORATION'S ANNUAL REPORTS ON FORM 10-K FOR THE YEARS ENDED
DECEMBER 31, 1997 AND DECEMBER 31, 1996, AND IS QUALIFIED IN ITS ENTIRETY BY
REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<RESTATED>
<CIK> 0000100790
<NAME> UNION CARBIDE CORPORATION
<MULTIPLIER> 1,000,000
<PERIOD-TYPE> YEAR YEAR
<FISCAL-YEAR-END> DEC-31-1996 DEC-31-1995
<PERIOD-START> JAN-01-1996 JAN-01-1995
<PERIOD-END> DEC-31-1996 DEC-31-1995
<CASH> 94 449
<SECURITIES> 0 0
<RECEIVABLES> 1047 996
<ALLOWANCES> 0 00
<INVENTORY> 541 544
<CURRENT-ASSETS> 1873 2196
<PP&E> 7159 6357
<DEPRECIATION> 3750 3549
<TOTAL-ASSETS> 6546 6256
<CURRENT-LIABILITIES> 1278 1338
<BONDS> 1487 1285
<PREFERRED-MANDATORY> 144 146
<PREFERRED> 0 0
<COMMON> 155 155
<OTHER-SE> 1959 1890
<TOTAL-LIABILITY-AND-EQUITY> 6546 6256
<SALES> 6106 5888
<TOTAL-REVENUES> 6106 5888
<CGS> 4568 4100
<TOTAL-COSTS> 4568 4100
<OTHER-EXPENSES> 471<F1> 450<F3>
<LOSS-PROVISION> 0 0
<INTEREST-EXPENSE> 76 89
<INCOME-PRETAX> 845 1259
<INCOME-TAX> 236 380
<INCOME-CONTINUING> 593 925
<DISCONTINUED> 0 0
<EXTRAORDINARY> 0 0
<CHANGES> 0 0
<NET-INCOME> 593 925
<EPS-PRIMARY> 4.43<F2> 6.65<F2>
<EPS-DILUTED> 3.90<F2> 5.85<F2>
<FN>
<F1>OTHER EXPENSES IN 1996 ARE EQUAL TO RESEARCH AND DEVELOPMENT OF 159 AND
DEPRECIATION AND AMORTIZATION OF 312.
<F2>THE EPS-PRIMARY AMOUNT REPRESENTS BASIC EARNINGS PER SHARE AND THE
EPS-DILUTED AMOUNT REPRESENTS DILUTED EARNINGS PER SHARE, COMPUTED IN
ACCORDANCE WITH STATEMENT OF FINANCIAL ACCOUNTING STANDARDS NO. 128,
"EARNINGS PER SHARE".
<F3>OTHER EXPENSES IN 1995 ARE EQUAL TO RESEARCH AND DEVELOPMENT OF 144 AND
DEPRECIATION AND AMORTIZATION OF 306.
</FN>