<ARTICLE> 5 <CIK> 0000813621 <NAME> AMCOL INTERNATIONAL CORPORATION <MULTIPLIER> 1,000 <CURRENCY> USD <PERIOD-TYPE> 12-MOS <FISCAL-YEAR-END> DEC-31-1999 <PERIOD-START> JAN-01-1999 <PERIOD-END> DEC-31-1999 <EXCHANGE-RATE> 1.00 <CASH> 3,815 <SECURITIES> 0 <RECEIVABLES> 111,231 <ALLOWANCES> 4,415 <INVENTORY> 40,680 <CURRENT-ASSETS> 164,770 <PP&E> 351,375 <DEPRECIATION> 178,967 <TOTAL-ASSETS> 349,007 <CURRENT-LIABILITIES> 59,715 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 320 <OTHER-SE> 0 <TOTAL-LIABILITY-AND-EQUITY> 349,007 <SALES> 552,052 <TOTAL-REVENUES> 552,052 <CGS> 414,256 <TOTAL-COSTS> 508,619 <OTHER-EXPENSES> 1,338 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 6,396 <INCOME-PRETAX> 35,699 <INCOME-TAX> 13,913 <INCOME-CONTINUING> 22,234 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 22,234 <EPS-BASIC> 0.83 <EPS-DILUTED> 0.82