| Non-current assets | — | — |
| Property, plant and equipment | 293.34a | 290.84a |
| Construction in progress | 26.75a | 18.96a |
| Exploration and evaluation assets | 4.86a | 5.52a |
| Intangible assets | 5.44a | 4.66a |
| Right-of-use assets | 24.19a | 23.99a |
| Interests in associates | 59.9a | 55.64a |
| Financial assets at fair value through other comprehensive income | 2.79a | 2.49a |
| Financial assets at fair value through profit or loss | 0.06a | |
| Other non-current assets | 33.03a | 27.07a |
| Deferred tax assets | 5.96a | 5.3a |
| Total non-current assets | 456.31a | 434.46a |
| Current assets | — | — |
| Inventories | 12.48a | 12.85a |
| Accounts and bills receivables | 15.5a | 19.86a |
| Financial assets at fair value through other comprehensive income | 1.17a | 0.25a |
| Financial assets at fair value through profit or loss | 17.3a | |
| Prepaid expenses and other current assets | 16.25a | 16.01a |
| Restricted bank deposits | 14.19a | 7.3a |
| Time deposits with original maturity over three months | 63.15a | 34.51a |
| Cash and cash equivalents | 65.07a | 108.17a |
| Total current assets | 205.13a | 198.95a |
| Current liabilities | — | — |
| Borrowings | 4.15a | 4.62a |
| Accounts and bills payables | 38.21a | 38.9a |
| Accrued expenses and other payables | 33.32a | 30.61a |
| Current portion of bonds | 3.02a | |
| Current portion of lease liabilities | 0.37a | 0.3a |
| Current portion of long-term liabilities | 5.87a | 5.18a |
| Income tax payable | 3.65a | 4.76a |
| Contract liabilities | 4.05a | 7.21a |
| Total current liabilities | 92.62a | 91.59a |
| Net current assets | 112.51a | 107.37a |
| Total assets less current liabilities | 568.82a | 541.83a |
| Non-current liabilities | — | — |
| Borrowings | 28.93a | 29.64a |
| Bonds | | 2.97a |
| Long-term liabilities | 19.39a | 15.13a |
| Accrued reclamation obligations | 9.45a | 8.78a |
| Deferred tax liabilities | 1.35a | 1.14a |
| Lease liabilities | 1.03a | 1.33a |
| Other non-current liabilities | 1.36a | 1.19a |
| Total non-current liabilities | 61.5a | 60.18a |
| Net assets | 507.32a | 481.65a |
| Equity | — | — |
| Share capital | 19.87a | 19.87a |
| Reserves | 409.78a | 391.61a |
| Equity attributable to equity holders of the company | 429.65a | 411.48a |
| Non-controlling interests | 77.67a | 70.17a |
| Total equity | 507.32a | 481.65a |