DOWNER EDI LIMITED — Capital/Financing Update 2012

Jun 27, 2012

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Media/ASX and NZX Release

28 June 2012

DOWNER AWARDED WEST AUSTRALIAN POWER CONTRACT

Downer EDI Limited (Downer) today announced it had been awarded a contract valued at more than $175 million by Western Power to construct a new transmission line in Western Australia.

The new 190 kilometre, 330 KV transmission line is located between Pinjar, in Perth’s northern suburbs, and Eneabba and will form a critical part of Western Power’s $443 million Mid West Energy Project Stage 1, delivering power to parts of the Mid West.

The Chief Executive Officer of Downer, Grant Fenn, said Downer was pleased to be supporting Western Power’s network expansion.

“Downer has worked with Western Power for a number of years and we are pleased to be delivering this critical piece of infrastructure for the people and businesses of Western Australia,” Mr Fenn said.

The Acting CEO of Western Power, Paul Italiano, said that the Pinjar to Eneabba transmission line is an important part of the overall Mid West Energy Project and will result in a more reliable and secure electricity supply.

“The Mid West Energy Project is critical for the Mid West in facilitating the connection of new mining projects, encouraging investment in renewable energy projects and enabling new power generation projects to deliver power into the grid,” Mr Italiano said.

The scope of works includes:

• Demolition and disposal of approximately 190 kilometres of132kV transmission line on wood poles

• Design, prototyping and testing seven steel lattice and two steel pole structures

• Construction of 190kms 330kV transmission line on steel lattice towers including:

  • Supply of all materials including conductor, OPGW, line hardware and tower steelwork

  • Access

  • Foundations

  • Tower erection

  • Stringing.

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A Triniti Business Campus, 39 Delhi Road, North Ryde NSW 2113 P PO Box 1823, North Ryde NSW 2113 T +61 2 9468 9700 | F +61 2 9813 8915 | W downergroup.com

Downer EDI Limited ABN 97 003 872 848

Preliminary works have commenced on the project and construction of the Pinjar to Eneabba portion of the transmission line will commence in August 2012.

For further information please contact:

Michael Sharp, Group Head of Corporate Affairs and Investor Relations +61 439 470145 Sonja Kukec, Manager Corporate Affairs +61 437 766 483

Downer EDI Limited (www.downergroup.com) provides comprehensive engineering and infrastructure management services to the public and private Minerals & Metals, Oil & Gas, Power, Transport Infrastructure, Telecommunications, Water and Property sectors across Australia, New Zealand and the Asia Pacific region.

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