Investor Presentaiton

Boral Australia A vertically integrated portfolio of construction material assets with an east coast focus Large national footprint (total number of operations¹) Vertically integrated operating model Quarries BORAL 78 Quarries 1 Bricks WA 225 Concrete 4 Roof tiles Cement4 Manufactured + -30% imported Aggregates and sand Bitumen BIA JV with Downer 41 Asphalt 9 Timber3 NT 2 6 Cement² 3 Masonry 1 20 1 -40-50% Quarry volumes sold internally to Concrete -5-15% sold internally QLD 62 1 ~50-60% 16 sold internally -35-55% Quarry volumes sold externally6 to Asphalt -35% of bitumen supplied by JV plants Concrete5 Asphalt 9 WA 12 SA 10 1 11 NSW/ 21 ACT 4 93 2 2 13 9 1. As at 30 June 2017 VIC/TAS 2. Includes cement manufacturing plant, bagging plant, lime plant, limestone quarry and depots 16 1 3. Includes 8 Boral Hardwood mills and 1 JV Softwood operation 46 4. Includes Boral's share of 1.5m tonnes of grinding capacity in 50% owned Sunstate Cement JV 1 8 5. Includes Boral Concrete, Roofing, Masonry plus 2nd brands Concrite (NSW), Alsafe (Vic) & Q-Crete (Qld) 6. Long-term historical averages End Customer Revenue Profile A diverse revenue¹ profile (%) by end-market, business and geography End-market Other Other engineering 2 8 Detached dwellings 16 RHS&B² 35 16 Non-residential 11 Multi- dwellings Bricks WA Business Timber Other 42 & Roofing³ Concrete placing 5 Cement 9 12 Alterations 21 & additions Asphalt Diversified end-market focused on infrastructure and residential 1. Based on 1H FY2018 split of Boral Australia external revenue 2. Roads, Highways, Subdivisions & Bridges 3. Bricks WA & Roofing includes Masonry revenues 11 Quarries 44 Concrete WA/NT VIC/ TAS/SA BORAL Geography 7 24 23 QLD 46 NSW / ACT Concrete sales externally focused with Quarries & Cement more internal East coast, metro market focused 11 12

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