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Long-term provisions | 12 Months Ended
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Jun. 30, 2021
Long-term provisions |
Long-term provisions | Provisions
33 | Long-term provisions
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​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | Share- | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | Environ- | ​ | based | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | mental | ​ | payments | ​ | Other | ​ | Total | ​
for the year ended 30 June |  |  | Rm |  | Rm |  | Rm |  | Rm | ​
Balance at beginning of year | ​ | ​ | 21 790 | ​ | 51 | ​ | 1 064 | ​ | 22 905 |
Capitalised to property, plant and equipment* | ​ | ​ | (2 425) | ​ | — | ​ | — | ​ | (2 425) |
Reduction in rehabilitation provision capitalised |  | ​ | 77 |  | — |  | — |  | 77 | ​
Transfer to held for sale liabilities** |  | ​ | (1 310) |  | — |  | — |  | (1 310) | ​
Per the income statement |  | ​ | (293) |  | (22) |  | 312 |  | (3) | ​
additional provisions and changes to existing provisions |  | ​ | 412 |  | (22) |  | 313 |  | 703 | ​
reversal of unutilised amounts |  | ​ | (31) |  | — |  | (1) |  | (32) | ​
effect of change in discount rate |  | ​ | (674) |  | — |  | — |  | (674) | ​
Notional interest |  | ​ | 664 |  | — |  | 4 |  | 668 | ​
Utilised during year (cash flow) |  | ​ | (271) |  | — |  | (117) |  | (388) | ​
Foreign exchange differences recognised in income statement |  | ​ | (1 495) |  | 1 |  | (18) |  | (1 512) | ​
Translation of foreign operations |  | ​ | (541) |  | (1) |  | (109) |  | (651) | ​
Balance at end of year |  | ​ | 16 196 |  | 29 |  | 1 136 |  | 17 361 | ​
| * | Decrease in rehabilitation provision capitalised in 2021 relates to a reassessment of the provision based on discount rates and cost estimates.
| ** | Relates to rehabilitation provisions of the Canadian shale gas assets classified as held for sale, refer note 12 and the Gabon oil producing assets that were disposed of during the year.
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​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | 2021 | ​ | 2020 |
for the year ended 30 June |  | Note |  | Rm |  | Rm |
Expected timing of future cash flows | ​ | ​ |  | ​ |  | ​ | ​
Within one year | ​ | ​ |  | 1 197 |  | 1 048 | ​
One to five years | ​ | ​ |  | 5 287 |  | 5 324 | ​
More than five years | ​ | ​ |  | 10 877 |  | 16 533 | ​
​ | ​ | ​ |  | 17 361 |  | 22 905 | ​
Short-term portion |  | 34 |  | (1 197) |  | (1 048) | ​
Long-term provisions | ​ | ​ |  | 16 164 |  | 21 857 | ​
Estimated undiscounted obligation* | ​ | ​ |  | 92 109 |  | 96 033 | ​
​ *Decrease relates mainly to Canada which was classified as held for sale at 30 June 2021 and the Gabon oil producing assets that were disposed of during the year. ​ Environmental provisions In accordance with the group’s published environmental policy and applicable legislation, a provision for rehabilitation is recognised when the obligation arises, representing the estimated actual cash flows in the period in which the obligation is settled. The environmental obligation includes estimated costs for the rehabilitation of coal mining, oil, gas and petrochemical sites. The amount provided is calculated based on currently available facts and applicable legislation. ​ The total environmental provision at 30 June 2021 amounted to R16 196 million (2020 — R21 790 million). In line with the requirements of the legislation of South Africa, the utilisation of certain investments is restricted for mining rehabilitation purposes. These investments amounted to R676 million (2020 — R661 million). In addition, indemnities of R2 190 million (2020 — R2 190 million) are in place.
33 | Long-term provisions continued
The following risk-free rates were used to discount the estimated cash flows based on the underlying currency and time duration of the obligation. ​
​ | ​ | ​ | ​ | ​
​ | ​ | 2021 | ​ | 2020
for the year ended 30 June |  | % |  | %
South Africa |  | 4,2 to 10,3 |  | 3,6 to 9,4
Europe |  | 0,0 to 0,5 |  | —
United States of America |  | 0,2 to 1,8 |  | 0,2 to 0,9
Canada |  | 0,5 to 2,3 |  | 0,5 to 1,4
​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ |  | 2021 | ​ | 2020 |
for the year ended 30 June |  | ​ | Rm |  | Rm |
A 1% point change in the discount rate would have the following effect on the long-term provisions recognised |  | ​ |  |  |  | ​
Increase in the discount rate |  | ​ | (4 352) |  | (3 836) | ​
amount capitalised to property, plant and equipment |  | ​ | (1 250) |  | (2 767) | ​
income recognised in income statement |  | ​ | (3 102) |  | (1 069) | ​
Decrease in the discount rate |  | ​ | 5 266 |  | 4 297 | ​
amount capitalised to property, plant and equipment |  | ​ | 1 787 |  | 3 115 | ​
expense recognised in income statement |  | ​ | 3 479 |  | 1 182 | ​
​ Share Appreciation Rights scheme All rights issued in terms of the Share Appreciation Rights scheme (SARs) have vested and will be settled in cash when exercised. As at 30 June 2021 there were 2,2 million vested rights not yet exercised with an intrinsic value of R0 (2020: R0). The final rights awarded under the scheme will expire in September 2022.

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