Investor Presentation

Highlights from HY23 results Good trading across business. Revenue up 20%¹ . Adjusted EBITDA up 12%1 • Improved operating cash flow Increased FY23 guidance² . • . Delivering on our strategy. Double-digit growth in key markets (revenue and pipeline) Significant contract wins across energy and materials Employee NPS +23ppt YoY 1. At constancy currency 2. 25 3. For revenue and adjusted EBITDA Excludes Gulf of Mexico labour operations business sold in March 2023 • • Continuing to build momentum. $6bn order book, up 5% 1,3 vs. Dec 2022 Sustainable solutions revenue up 20% YoY to over $600 million Headcount up 5% YoY wood.

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