Diamonds

Operations & financial report

Diamonds

Mine	Location	Access	Title/lease	History	Type of mine	Power source
Argyle Diamonds	Kimberley Ranges, Western Australia	Road and air	Mining tenement held under Diamond (Argyle Diamond Mines Joint Venture) Agreement Act 1981-1983; lease extended for 21 years from 2004	Interest increased from 59.7% following purchase of Ashton Mining in 2000. Underground mine project approved in 2005 to extend mine life to 2018	Open pit to underground in future	Long term contract with Ord Hydro Consortium and on site generation backup
Diavik (60%)	Northwest Territories, Canada	Air, ice road in winter	Mining leases from Canadian federal government expiring in 2017 and 2018	Deposits discovered 1994-1995. Construction approved 2000. Diamond production started 2003. Second dike closed off in 2005 for mining of additional orebody	Open pit to underground in future	On site diesel generators; installed capacity 27MW with an upgrade under way
Murowa (78%)	Zvishavane, Zimbabwe	Road and air	Claims and mining leases	Discovered in 1997. Small scale production started in 2004	Open pit	Supplied by ZESA with diesel generator backup