DOWNER EDI LIMITED — Capital/Financing Update 2021

Oct 7, 2021

Downer EDI Limited ABN 97 003 872 848 Triniti Business Campus 39 Delhi Road North Ryde NSW 2113 1800 DOWNER www.downergroup.com

Media/ASX and NZX Release

8 October 2021

DOWNER AWARDED SOUTH AUSTRALIA PROJECT ENERGYCONNECT CONTRACT

Downer EDI Limited (Downer) announced today it had been awarded a contract valued at approximately $200 million with ElectraNet Pty Ltd (ElectraNet) to construct the high voltage transmission line connection between the New South Wales and South Australian power grids as part of Project EnergyConnect.

Downer will commence work immediately, with major construction commencing in early 2022. Commissioning of the transmission line is to be underway in 2023.

The Chief Executive Officer of Downer, Grant Fenn, said Downer was a leader in Australia’s power transmission sector.

“Downer is pleased to be involved in this critical infrastructure project which will improve power security and reliability to South Australia and the National Electricity Market as a whole,” Mr Fenn said.

Downer’s contribution to Project EnergyConnect will include the design, procurement and construction of:

• a 330kV transmission line between Bundey Substation and the South Australian and New South Wales border; and

• a 275kV transmission line between Bundey Substation and the existing Robertstown Substation.

Authorised for release by Downer’s Chief Executive Officer, Grant Fenn

About Downer

Downer is the leading provider of integrated services in Australia and New Zealand and customers are at the heart of everything it does. It exists to create and sustain the modern environment and its promise is to work closely with its customers to help them succeed, using world-leading insights and solutions to design, build and sustain assets, infrastructure and facilities. For more information visit downergroup.com.

For further information please contact:

Michael Sharp, Group Head of Corporate Affairs and Investor Relations

+61 439 470 145

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