Alcan Investor Workshop

Key Economic Sensitivities Aluminum Currency CAD European AUD 2006 ALCAN INC. Change in Full Year Average +US$100/mt +US$0.10 +US$0.10 +US$0.10 NI ($M) $170 $(110) $(56) $(40) ALCAN EPS ($/share) $0.45 $(0.29) $(0.15) $(0.11) Slide 18

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