May 7th, 2009

Approved by SHFE，ESOX Brand copper cathode, produced by BHP Billiton’s subsidiary Minera Escondida Limited; and CMCC Brand copper cathode, produced by BHP Billiton’s subsidiary Compañía Minera Cerro Colorado, have been registered for SHFE copper delivery.

Company：Minera Escondida Limited

Refinery：Escondida（Chile）

（Av. de la Minería 501 (Casilla 690) Antofagasta, Chile）

Product： Copper Cathode (Cu-CATH-1)

Registered brand：ESOX

Brand Logo：（see the picture）

External Size： 1000*1000*8-10 mm

Weight per piece： Approximately 75 kg

Weight per bundle：Approximately 2500 kg

Bundles per lot（25tons/lot）：10

Packing materials： Secured with 3 steel straps oriented in two dimensions.

Company：Compañía Minera Cerro Colorado

Refinery： Compañía Minera Cerro Colorado（Chile）

（San Martín 255, of 46. Iquique, Chile）

Product： Copper Cathode (Cu-CATH-1)

Registered brand：CMCC

Brand Logo：（see the picture）

External Size： 1000*1000*5 mm

Weight per piece： Approximately 40 kg

Weight per bundle：Approximately 2500 kg

Bundles per lot（25tons/lot）：10

Packing materials： Secured with 3 steel straps oriented in two dimensions.

Hereby notify the above.