<TABLE> <S> <C>

<ARTICLE> 5
<LEGEND>
This schedule contains summary financial information extracted from the OM 
Group, Inc. Consolidated Balance Sheets at September 30, 1996 (Unaudited) and 
the OM Group, Inc. Statements of Consolidated Income for the three months and 
nine months ended September 30, 1996 (Unaudited) and is qualified in its 
entirety by reference to such financial statements.
</LEGEND>
<RESTATED> 
<MULTIPLIER> 1,000
                                             
<S>                             <C>                     <C>
<PERIOD-TYPE>                   3-MOS                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-1996             DEC-31-1996
<PERIOD-END>                               SEP-30-1996             SEP-30-1996
<CASH>                                           5,263                   5,263
<SECURITIES>                                         0                       0
<RECEIVABLES>                                   58,561                  58,561
<ALLOWANCES>                                         0                       0
<INVENTORY>                                    194,997                 194,997
<CURRENT-ASSETS>                               268,903                 268,903
<PP&E>                                         157,327                 157,327
<DEPRECIATION>                                  54,044                  54,044
<TOTAL-ASSETS>                                 419,312                 419,312
<CURRENT-LIABILITIES>                          100,775                 100,775
<BONDS>                                              0                       0
<PREFERRED-MANDATORY>                                0                       0
<PREFERRED>                                          0                       0
<COMMON>                                           125                     125
<OTHER-SE>                                     178,802                 178,802
<TOTAL-LIABILITY-AND-EQUITY>                   419,312                 419,312
<SALES>                                         89,071                 293,409
<TOTAL-REVENUES>                                89,071                 293,049
<CGS>                                           68,166                 231,263
<TOTAL-COSTS>                                   76,035                 255,031
<OTHER-EXPENSES>                                  (41)                   (384)
<LOSS-PROVISION>                                     0                       0
<INTEREST-EXPENSE>                               1,776                   5,530
<INCOME-PRETAX>                                 11,301                  33,232
<INCOME-TAX>                                     3,631                  10,828
<INCOME-CONTINUING>                              7,670                  22,404
<DISCONTINUED>                                       0                       0
<EXTRAORDINARY>                                      0                       0
<CHANGES>                                            0                       0
<NET-INCOME>                                     7,670                  22,404
<EPS-PRIMARY>                                      .41                    1.20
<EPS-DILUTED>                                      .40                    1.17
        

</TABLE>