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v3.25.2

Remeasurement Items affecting operating profit - Assumptions (Details) | 12 Months Ended
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Jun. 30, 2025 R / $ $ / T $ / bbl $ / gal | Jun. 30, 2024 R / $ $ / kJ $ / gal $ / T $ / bbl | Jun. 30, 2023 R / $ $ / gal $ / T $ / kJ $ / bbl
Impairment assumptions |  |  |
Period over which management has projected cash flows | 5 years |  |
Crude oil price (Brent) | $ / bbl | 72.16 | 83.06 | 88.02
Ethane price | $ / gal | 0.334 | 0.3955 | 0.4233
Ethylene price | $ / T | 747 | 745 | 773
Linear low density polyethylene (LLDPE) price | $ / T | 1,039 | 1,091 | 1,247
Polyvinyl Chloride (PVC) price | $ / T | 878 | 980 | 1,031
Oil Product Differentials | $ / bbl | 11.44 | 10.86 | 12.08
Refining margin | $ / bbl | 7.54 | 8.11 | 12.34
Exchange rate | R / $ | 18.31 | 17.64 | 17.4
Period for calculation of assumptions used for impairment calculations | 5 years | 5 years | 5 years
Term of average of median debt-to-equity ratios of peer group for WACC calculation | 5 years |  |
South Africa |  |  |
Impairment assumptions |  |  |
Southern African gas purchase price (real) | $ / kJ |  | 0.00001051 | 0.00001093
Growth rate - Producer Price Index | 5.50% | 5.50% | 5.50%
Weighted average cost of capital | 14.50% | 15.00% | 15.20%
United States |  |  |
Impairment assumptions |  |  |
Growth rate - Producer Price Index | 2.00% | 2.00% | 2.00%
Weighted average cost of capital | 9.10% | 9.40% | 9.07%
Europe |  |  |
Impairment assumptions |  |  |
Growth rate - Producer Price Index | 2.00% | 2.00% | 2.00%
Europe | Minimum |  |  |
Impairment assumptions |  |  |
Weighted average cost of capital | 7.60% | 9.40% | 9.07%
Europe | Maximum |  |  |
Impairment assumptions |  |  |
Weighted average cost of capital | 10.00% | 10.50% | 10.68%
Mozambique |  |  |
Impairment assumptions |  |  |
Growth rate - Producer Price Index | 2.00% | 2.00% | 2.00%
Weighted average cost of capital | 18.40% | 16.80% |

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