Investor Presentation

Business model across our Bus Number of employees (Dec 2022) Average contract length Average contract size Consulting c.4,000 Projects c.14,000 5 months 12 months c.$0.1m c.$10m Operations c.16,000 3 years c.$90m Contract mix: Cost reimbursable c.60% c.70% c.95% - Fixed price services c.40% c.22% c.5% - Lump sum turnkey Nil c.8% Nil Level of repeat business c.85% c.90% c.95% Capex/opex exposure EBITDA margins (FY22) Both Capex-led 11.7% 7.6% Opex-led 6.1% Operating cash conversion profile > 90% > 90% by 2024 > 90% 32 wood.

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