RIO TINTO LIMITED — Capital/Financing Update 2014

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ASX / MEDIA ANNOUNCEMENT 8 May 2014

DECMIL AWARDED WEST ANGELAS DEPOSIT B CONTRACT

Key points:

• Valued in excess of $35 million

• Design, supply, fabrication, transportation, construction and commissioning of the West Angelas Deposit B Project Non-Process Infrastructure

• Design due to commence immediately

Decmil (ASX: DCG) has continued to build on its long-standing relationships with Tier 1 mining companies, securing a significant new contract with the Robe River Iron Associates joint venture, for which Rio Tinto is the majority owner and operator of the mine.

Decmil has been awarded a contract in excess of $35 million for the design, supply, fabrication, transportation, construction and commissioning of the non-process infrastructure required to support the expansion of West Angelas Deposit B.

CEO and Managing Director of Decmil, Scott Criddle said he was thrilled with the win.

“This contract highlights the strength of our experience and shows how far we have come from providing construction contracting in the Pilbara in 1979 to offering design, fabrication and construction in 2014.

“Rio Tinto is a valued client of Decmil, and the award of this contract strengthens our relationship and further demonstrates our expertise within the iron ore sector”.

About Decmil

Decmil Group Limited (DGL) offers a diversified range of services to the Australian resources and infrastructure industries. Companies within the group specialise in design, civil engineering and construction; accommodation services; mechanical fabrication; and maintenance. Listed on the Australian Securities Exchange (ASX Code: DCG), Decmil’s goal is to maximise returns from our operations to deliver value to our shareholders, clients and other stakeholders.

For further information please contact:

Mr Scott Criddle, CEO, Decmil Ph 08 9368 8877 Mr David Ikin, Professional Public Relations Ph 08 9388 0944 / 0408 438 772

20 Parkland Road Osborne Park, Western Australia 6017

T: +61 8 9368 8877 F: +61 8 9368 8878

ASX DCG ABN 35 111 210 390

www.decmilgroup.com.au