<ARTICLE> 5  
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION
EXTRACTED FROM THE NEOGEN CORPORATION FORM 10-Q FOR
THE QUARTER ENDED NOVEMBER 30, 1998 AND IS QUALIFIED IN ITS
ENTIRETY BY REFERENCE TO SUCH FORM 10-Q
</LEGEND>
<RESTATED>
<MULTIPLIER> 1 
         
                                          
<PERIOD-TYPE>                              6-MOS  
<FISCAL-YEAR-END>                          MAY-31-1999
<PERIOD-START>                             JUN-01-1998
<PERIOD-END>                               NOV-30-1998
<CASH>                                         884,756
<SECURITIES>                                 9,383,251
<RECEIVABLES>                                3,711,382
<ALLOWANCES>                                   244,920
<INVENTORY>                                  5,255,026
<CURRENT-ASSETS>                            19,569,845
<PP&E>                                       5,713,140  
<DEPRECIATION>                               3,677,235  
<TOTAL-ASSETS>                              26,625,643  
<CURRENT-LIABILITIES>                        1,794,328  
<BONDS>                                              0  
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0  
<COMMON>                                       981,949  
<OTHER-SE>                                  23,470,898  
<TOTAL-LIABILITY-AND-EQUITY>                26,625,643  
<SALES>                                     11,637,320  
<TOTAL-REVENUES>                            11,637,320  
<CGS>                                        4,827,871  
<TOTAL-COSTS>                               10,099,505  
<OTHER-EXPENSES>                              (419,648) 
<LOSS-PROVISION>                                     0  
<INTEREST-EXPENSE>                               8,605  
<INCOME-PRETAX>                              1,948,858  
<INCOME-TAX>                                   465,500  
<INCOME-CONTINUING>                          1,483,358  
<DISCONTINUED>                                       0  
<EXTRAORDINARY>                                      0  
<CHANGES>                                            0  
<NET-INCOME>                                 1,483,358  
<EPS-PRIMARY>                                     0.24  
<EPS-DILUTED>                                     0.24