South Australia Project EnergyConnect contract award

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: o a 330kV transmission line between Bundey Substation and the South Australian and New South Wales border; and o a 275kV transmission line between Bundey Substation and the existing Robertstown Substation. Authorised for release by Downer's Chief Executive Officer, Grant Fenn For further information please contact: Michael Sharp, Group Head of Corporate Affairs and Investor Relations +61 439 470 145 End CA:00380651 For:DOW Type:GENERAL Time:2021-10-08 17:24:37