Investor Presentaiton

Transport $4.6bn QTMP2 contract signed and mobilisation underway HCMT2 delivery phase largely complete having manufactured 58 out of 70 sets under a highly successful delivery and commercial model Roads Australia performance improved in-line with forecast during 2H associated with improved operating conditions, largely weather related Signed final Agreement for East Coast Recovery Alliance in New Zealand (forecast 3-year delivery program) Successful completion of Australian Transport Projects divestment³ 55% of 20% FY23 revenue¹ 45% 17% Revenue of $6.9bn (10.3% on FY22) 18% Downer ■Road Services ■Rail & Transit Systems ■Australian Transport Projects (Divested) Projects NZ Downer 065296 1 Projects NZ includes the New Zealand Projects business in addition to the Building business in New Zealand (Hawkins), which has been restated to Transport from Facilities 2 QTMP - Queensland Train Manufacturing Program, HCMT - High Capacity Metro Trains 3 Australian Transport Projects business unit generated revenue of approximately $1.1bn in FY23, at 3.6% EBITA margin (above historical average). A number of customer consents remain outstanding at the date of completion, some of which remain outstanding as at 10 August 2023 Downer FY23 Results | 6

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