Mike Murphy Region Manager - North Box 5484, Mail Centre Townsville 4810 Queensland, Australia Phone: +61 7 4758 9522 Fax: +61 7 4758 9501 Mobile: +61 419 778 036 Email: mmurphy@xstratatech.com.au

Anders Haag Region Manager - South America Isidora Goyenechea 3365 - 1701 Las Condes, Santiago - Chile Phone: +56 2 478 2211 Fax: +56 2 478 2230 Cell: +56 9 9479 3303 Email: ahaag@xstrata.com.au

Philip E. Donaldson P.Eng. MBA Region Manager - North America PO Bag 2002 Timmins, Ontario, Canada P4N 7K1 Phone: +1 705 235 8121 Ext. 7847 Fax: +1 705 235 7321 Mobile: +1 705 465 0625 Email: pdonaldson@xstratacopper.ca

Graham Heferen Region Manager - South Box 5484, Mail Centre Townsville 4810 Queensland, Australia Direct Phone: +61 7 4758 9517 Fax: +61 7 4758 9501 Mobile: +61 439 757 382 Email: gheferen@xstratatech.com.au