The company also updated the market on its 2020 full year financial results, forecasting underlying EBITA (earnings before interest, tax and amortisation) of $410 million to $420 million, and underlying NPATA (net profit after tax and amortisation) of $210 million to $220 million.
The company signalled it is likely to exit businesses such as mining and laundry.
Shares in Downer (AXS:DOW) are in a trading halt - Last traded at $4.26.