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Remeasurement items affecting operating profit (Details) R in Millions | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2023 ZAR (R) MT / yr R / $ MW | Dec. 31, 2022 ZAR (R) | Jun. 30, 2023 ZAR (R) MT / yr R / $ MW | Jun. 30, 2022 ZAR (R) MT / yr | Jun. 30, 2021 ZAR (R)
Remeasurement items |  |  |  |  |
Impairment loss (reversal of impairment loss) |  |  | R 33,649 | R (1,443) | R 28,732
Targeted reduction of greenhouse gas (GHG) emission by 2030 | 30.00% |  | 30.00% |  |
South Africa Wax value chain | Chemicals Africa |  |  |  |  |
Remeasurement items |  |  |  |  |
Impairment loss (reversal of impairment loss) |  |  | R 932 |  | 7,863
Weighted average cost of capital | 14.66% |  | 14.66% |  |
China Essential Care Chemicals (ECC) | Chemicals Eurasia |  |  |  |  |
Remeasurement items |  |  |  |  |
Impairment loss (reversal of impairment loss) |  |  | R 876 |  |
Weighted average cost of capital | 9.21% |  | 9.21% |  |
Tetramerization | Chemicals America |  |  |  |  |
Remeasurement items |  |  |  |  |
Impairment loss (reversal of impairment loss) |  |  | R (3,645) |  |
Weighted average cost of capital | 8.33% |  | 8.33% |  |
Secunda liquid fuels refinery | Fuels |  |  |  |  |
Remeasurement items |  |  |  |  |
Impairment loss (reversal of impairment loss) | R 27,200 | R 8,100 | R 35,316 |  | R 24,456
Weighted average cost of capital |  | 14.66% |  |  |
Targeted reduction of greenhouse gas (GHG) emission by 2030 | 30.00% |  | 30.00% |  |
Targeted integrating of renewable energy into operations by 2030 | MW | 1,200 |  | 1,200 |  |
Targeted production volumes post 2030 assumed by emission reduction roadmap | MT / yr | 6.7 |  | 6.7 |  |
Actual production volumes | MT / yr |  |  |  | 7.5 |
Increase (decrease) in price of Brent crude for impairment calculations | 10.00% |  | 10.00% |  |
Increase (decrease) in recoverable amount of CGU due to increase in the price of Brent crude | R 25,700 |  | R 25,700 |  |
Increase (decrease) in exchange rate for impairment calculations | R / $ | (1) |  | (1) |  |
Increase (decrease) in recoverable amount of CGU due to change in exchange rate | R 15,300 |  | R 15,300 |  |
Increase (decrease) in production volumes from 2024 to 2029 for impairment calculations | 4.00% |  | 4.00% |  |
Increase (decrease) in recoverable amount of CGU due to change in volumes | R 6,400 |  | R 6,400 |  |

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