<TABLE> <S> <C>

<ARTICLE> 5
<LEGEND>
This schedule contains summary financial information extracted from OM Group,
Inc. Consolidated Balance Sheets at June 30, 1996 (Unaudited) and the OM
Group, Inc. Statements of  Consolidated Income for the three and six months
ended June 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                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1996             DEC-31-1996
<PERIOD-END>                               JUN-30-1996             JUN-30-1996
<CASH>                                           9,718                   9,718
<SECURITIES>                                         0                       0
<RECEIVABLES>                                   64,462                  64,462
<ALLOWANCES>                                         0                       0
<INVENTORY>                                    161,726                 161,726
<CURRENT-ASSETS>                               249,575                 249,575
<PP&E>                                         151,424                 151,424
<DEPRECIATION>                                  50,465                  50,465
<TOTAL-ASSETS>                                 398,005                 398,005
<CURRENT-LIABILITIES>                           88,975                  88,975
<BONDS>                                              0                       0
<PREFERRED-MANDATORY>                                0                       0
<PREFERRED>                                          0                       0
<COMMON>                                           125                     125
<OTHER-SE>                                     173,031                 173,031
<TOTAL-LIABILITY-AND-EQUITY>                   398,005                 398,005
<SALES>                                        101,485                 204,338
<TOTAL-REVENUES>                               101,485                 204,338
<CGS>                                           80,455                 163,097
<TOTAL-COSTS>                                   88,401                 178,996
<OTHER-EXPENSES>                                 (139)                   (343)
<LOSS-PROVISION>                                     0                       0
<INTEREST-EXPENSE>                               1,860                   3,754
<INCOME-PRETAX>                                 11,363                  21,931
<INCOME-TAX>                                     3,780                   7,197
<INCOME-CONTINUING>                              7,583                  14,734
<DISCONTINUED>                                       0                       0
<EXTRAORDINARY>                                      0                       0
<CHANGES>                                            0                       0
<NET-INCOME>                                     7,583                  14,734
<EPS-PRIMARY>                                      .41                     .79
<EPS-DILUTED>                                      .39                     .77
        

</TABLE>