Investor Presentaiton

Cash flow 1,200.0 1,000.0 (205.4) 318.2 800.0 (165.0) 2 600.0 1 (32.4) (9.4) 3 4 400.0 738.5 200.0 227.3 (125.4) 160.5 (17.8) 5 6 644.5 Downer 889.1 Opening cash Operating cash flow Capex Payment of IT Other lease liabilities Cash after funds from operations Dividends Divestments Share buyback Borrowings Closing cash and FX 1. Operating cash flow 65% cash conversion (110% in H2)1 2. Capex Growth capex primarily related to asphalt plant replacement in Australia and specialised plant in New Zealand 3. Payment of lease liabilities Increase on prior year driven by payout of leased assets now owned in New Zealand 4. Information Technology Capex Security upgrades and end of life hardware replacement 5. Dividends Payment relates to: FY22 Final 12cps FY23 Interim 5cps ROADS 6. Divestments Proceeds received on first stage completion of Australian Transport Projects 1 As announced in the HY23 Investor Presentation, operating cash conversion materially impacted by supplier payments on completion of SGT project ($78m), settlement of two project claims provided in prior year ($22m) and change in timing of collection from two key customers ($40m) Downer FY23 Results | 15

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