Investor Presentaiton

Recognition ESG update ✓ CDP DISCLOSURE INSIGHT ACTION Score of A- in the CDP Climate Change survey Downer S&P Global Included in the S&P Global Sustainability Yearbook 2023 RAINBOW TICK Rainbow Tick recertified in 2023 (New Zealand business) E E03 C THE Ⓡ AUSTRALIAN BUSINESS AWARDS EMPLOYER OF CHOICE WINNER 2022 500 Australian Business Awards Employer of Choice for 2022 * MENTAL HEALTH FIRST AID Australia Advanced Workplace Recognition 'Advanced Workplace' recognition by MHFA Australia Highlights and initiatives. Launched our 'Own Respect' program to help eliminate certain discriminatory conduct, including sex discrimination, harassment and victimisation. Delivered over 6,000 hours of training across our Indigenous Cultural Awareness Training, Te Ara Whanake Māori leadership program and Te Ara Māramatanga immersion program for non-Māori. Released the first standalone Downer Climate Change Report, which covers our journey to date and achievements, our pathway to net zero, and the pivotal role Downer can play in the energy transition. To support the delivery of the QTMP contract, established Australia's first standalone Green Syndicated Bank Guarantee Facility, complementing Downer's corporate Sustainability Linked Loan. Sustainability outcomes CO 0.90 LTIFR Target: <0.90 2.68 TRIFR Target: ≤3.50 4% reduction Emissions intensity FY23 vs. FY22 The City Rail Link project team (Downer is an alliance partner) was awarded the highest Infrastructure Sustainability Council 'Leading' IS Design Rating in Aotearoa New Zealand and the third-highest in Australasia, with a score of 93. CO2-e 2% increase Scope 1 and 2 emissions FY23 vs. FY22 Downer FY23 Results | 10

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