Property, Plant and Equipment (Tables) |
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| Property, plant and equipment [abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Disclosure of Property, Plant and Equipment |
(a)The 2025 figure primarily relates to fully depreciated assets derecognised at Hidden Valley, and right-of-use assets at various operations. The 2024 figure primarily relates to fully depreciated assets derecognised at the Hidden Valley, Tshepong North, Moab Khotsong and Doornkop operations. (b)Included in additions for 2025 is an amount of R64 million (2024: R84 million) for capitalised depreciation associated with stripping activities at the Hidden Valley operations. (c)Refer to note 8 for the total loss on scrapping recognised. Both the 2024 and 2025 amounts primarily relates to the Tshepong North and Kusasalethu operations. (d)Refer to note 24 for details on the adjustment to the rehabilitation asset. (e)During the 2025 year an amount of R1 108 million (2024: R761 million) was transferred to mining assets at Hidden Valley. This related to ongoing mining development costs. During the 2025 year the Doornkop 207 Level and Kareerand Tailings Storage Facility projects were completed and amounts of R643 million and R1 661 million, respectively, were transferred to mining assets. The movement in the mining assets under construction is as follows:
(a) The additions for 2025 mainly relates to:
1 Project completed during 2025 and transferred to mining assets 2 See discussion on developments on the project below 3 Construction of the 100MW solar photovoltaic plant commenced during 2025 (b)Refer to note 10 for further detail on the capitalisation rate applied. The movement in the undeveloped properties is as follows:
1Relates to Target North. Refer to note 5 for details. Currently the assets classified as undeveloped properties are the Wafi-Golpu Project, Target North and the Eva Copper Project. For further details regarding the permitting process and other developments of the Wafi-Golpu Project, refer to note 20. For further details regarding the Eva Copper Project, please refer to the mining assets under construction section above. No further developments have occurred post the impairment in the 2024 year for Target North. 14Property, plant and equipment continued Undeveloped properties continued The carrying value of the undeveloped properties are as follows:
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| Disclosure of Gold Price, Silver Price, Exchange Rates and Gold Resource Value Assumptions | During the years under review, the group calculated the recoverable amounts (generally fair value less costs to sell) of CGUs for which indicators of impairment were identified (refer to note 5). These recoverable amounts are based on updated life-of-mine plans and the following relevant assumptions:
The following are the attributable gold resource value assumptions:
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| Disclosure of Sensitivity Analysis - Impairment of Assets | Sensitivity analysis – impairment of assets Commodity prices One of the most significant assumptions that influence the LOM plans and therefore impairment assessments is the expected commodity prices. Management determined a 10.8% decrease (2024: 11.9%) and 29.1% increase (2024: 11.9% ) in gold price assumptions as reasonably possible changes. In 2025, management determined a reasonably possible change in gold prices based on determining reasonably possible adjusted long-term US$ gold price assumptions using the standard deviation of market analysts' forecasted long-term US$ gold price assumptions. These reasonably possible adjusted long-term US$ gold price forecasts was then compared to Harmony's long-term US$ gold price assumption. In 2024, management determined a reasonably possible change in gold price assumptions based on the standard deviation of market analysts' forecasted long-term gold price assumptions. The 29.1% increase in the gold price assumptions would have resulted in no impairments being recorded. A 10.8% decrease in the gold price assumptions (with all other variables held constant and not taking any actions, such as stopping capital projects, into account) would have resulted in the following post-tax impairments being recorded as at 30 June 2025:
Production profile In addition to the expected commodity prices in 2025, the production profiles of Target 1 and Tshepong South have also been assessed as sensitive assumptions that influences the LOM plans, and therefore the impairment assessments of these CGUs. For Target 1, the recoverable amount was determined as R4 212 million as at 30 June 2025. Management determined that should the production profile of Target 1 decrease by 8.6% (with all other variables held constant), this would result in the recoverable amount being equal to the post-tax carrying amount of R2 065 million as at 30 June 2025. For Tshepong South, the recoverable amount was determined as R3 314 million as at 30 June 2025. Management determined that should the production profile of Tshepong South decrease by 5.3% (with all other variables held constant), this would result in the recoverable amount being equal to the post-tax carrying amount of R2 343 million as at 30 June 2025. The production profiles of the other CGUs tested for impairment are not considered to be sensitive assumptions. This is based on the fact that a 15.0% decrease in these production profiles (with all other variables held constant) would not result in any impairments being recognised.
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