Sale of Yeelirrie Uranium Deposit BHP Billiton NEWS RELEASE Release Time IMMEDIATE Date 27 August 2012 Number 21/12 SALE OF YEELIRRIE URANIUM DEPOSIT BHP Billiton has signed an agreement to sell its wholly owned Yeelirrie uranium deposit in Western Australia to Cameco Corporation for US$430 million. BHP Billiton Uranium President, Dean Dalla Valle, said: “Cameco is one of the world’s largest publicly listed uranium producers and is highly respected in the industry. We believe they are well placed to carry this project forward in a responsible manner.” The sale is subject to relevant approvals from the Australian Foreign Investment Review Board and the Government of Western Australia. About Yeelirrie Yeelirrie is located 630 kilometres north-east of Perth in the Northern Goldfields region of Western Australia. Uranium was discovered at the Yeelirrie site in 1972 by Western Mining Corporation, which was acquired by BHP Billiton in 2005. Further information on BHP Billiton can be found at: www.bhpbilliton.com. Sponsor: Absa Capital (the investment banking division of Absa Bank Limited, affiliated with Barclays) Media Relations Investor Relations Australia Australia Antonios Papaspiropoulos James Agar Tel: +61 3 9609 3830 Mobile: +61 477 325 803 Tel: +61 3 9609 2222 Mobile: +61 467 807 064 email: Antonios.Papaspiropoulos@bhpbilliton.com email: James.Agar@bhpbilliton.com Kelly Quirke Andrew Gunn Tel: +61 3 9609 2896 Mobile: +61 429 966 312 Tel: +61 3 9609 3575 Mobile: +61 439 558 454 email: Kelly.Quirke@bhpbilliton.com email: Andrew.Gunn@bhpbilliton.com Fiona Martin United Kingdom and South Africa Tel: +61 3 9609 2211 Mobile: +61 427 777 908 email: Fiona.Martin2@bhpbilliton.com Tara Dines Tel : +44 20 7802 7113 Mobile : +44 7825 342 232 United Kingdom Email : Tara.Dines@bhpbilliton.com Ruban Yogarajah Americas Tel: +44 20 7802 4033 Mobile: +44 7827 082 022 email: Ruban.Yogarajah@bhpbilliton.com Brendan Harris Tel: +44 20 7802 4131 Mobile: +44 7990 527 726 Deirdra McCracken email: Brendan.Harris@bhpbilliton.com Tel: +44 20 7802 7462 Mobile: +44 7827 253 764 Email: Deirdra.S.McCracken@bhpbilliton.com Matt Chism Tel: +1 71 359 96158 Mobile: +1 281 782 2238 Americas email: Matt.E.Chism@bhpbilliton.com Jaryl Strong Tel: +1 713 499 5548 Mobile: +1 281 222 6627 email: Jaryl.Strong@bhpbilliton.com BHP Billiton Limited ABN 49 004 028 077 BHP Billiton Plc Registration number 3196209 Registered in Australia Registered in England and Wales Registered Office: 180 Lonsdale Street Registered Office: Neathouse Place Melbourne Victoria 3000 Australia London SW1V 1BH United Kingdom Tel +61 1300 55 4757 Fax +61 3 9609 3015 Tel +44 20 7802 4000 Fax +44 20 7802 4111 Members of the BHP Billiton Group which is headquartered in Australia Date: 27/08/2012 07:05:00 Produced by the JSE SENS Department. The SENS service is an information dissemination service administered by the JSE Limited ('JSE'). The JSE does not, whether expressly, tacitly or implicitly, represent, warrant or in any way guarantee the truth, accuracy or completeness of the information published on SENS. The JSE, their officers, employees and agents accept no liability for (or in respect of) any direct, indirect, incidental or consequential loss or damage of any kind or nature, howsoever arising, from the use of SENS or the use of, or reliance on, information disseminated through SENS.