Investor Presentaiton

Sustainability credentials a key competitive advantage hebel The better way to build ■ ◉ Sustainability credentials becoming an increasingly important key point of difference Manufacturing process is less energy intensive vs traditional building materials - - Technology available to completely recycle heat, water and waste Electrification of steam production is technically simpler Future potential to use low carbon cement Safety and productivity Increased automation ហ Energy Peak load flexibility enables 30% of steam to be transferred between autoclaves with the remaining steam diverted back into the boiler system Water Aimed to have zero water waste including rain recycling into an 800,000 litre basin Environment Underground storage of raw materials to minimise dust emissions Recycling Waste dust capture recycled back into the manufacturing process. All excess waste materials are reused in the production process while plant automation allows for more efficient use of raw materials and reduced shutdown times 34 CSR

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