Alcan Investor Workshop

Business Environment & Competitive Position Evolution of Raw Material Prices We have experienced a dramatic rise in our raw material prices since 2004. The trend has been flatter in 2006 for resins, though not for aluminum. Raw material purchases Paper 4% Aluminum 21% Other 12% Chemical products 14% 2006 ALCAN INC. Film 27% Resins 22% Index (1980=100) 250 200 150 100 50 0 1980 1982 1984 LDPE Resin Aluminum 1986 1988 1990 1992 1994 1996 Chart based on nominal prices 1998 ALCAN 2000 LDPE resin price increased by 70% since 2002 2002 2004 2006 Slide 6

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