<ARTICLE> 5 <LEGEND> This schedule contains summary financial information extracted from the Form 10-Q of Alcan Aluminium Limited for the quarter ended September 30, 1999 and is qualified in its entirety by reference to such financial statements. </LEGEND> <MULTIPLIER> 1,000,000 <PERIOD-TYPE> 9-MOS <FISCAL-YEAR-END> DEC-31-1999 <PERIOD-START> JAN-01-1999 <PERIOD-END> SEP-30-1999 <CASH> 440 <SECURITIES> 0 <RECEIVABLES> 1,384 <ALLOWANCES> 0 <INVENTORY> 1,208 <CURRENT-ASSETS> 3,032 <PP&E> 12,703 <DEPRECIATION> 6,513 <TOTAL-ASSETS> 9,759 <CURRENT-LIABILITIES> 1,538 <BONDS> 1,304 <PREFERRED-MANDATORY> 0 <PREFERRED> 160 <COMMON> 1,218 <OTHER-SE> 4,014 <TOTAL-LIABILITY-AND-EQUITY> 9,759 <SALES> 5,418 <TOTAL-REVENUES> 5,560 <CGS> 4,254 <TOTAL-COSTS> 4,254 <OTHER-EXPENSES> 351 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 60 <INCOME-PRETAX> 450 <INCOME-TAX> 174 <INCOME-CONTINUING> 267 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 267 <EPS-BASIC> 1.19 <EPS-DILUTED> 1.19