| Assets | — | — |
| Non-current assets | — | — |
| Property, plant and equipment | 11,477.94a | 11,662.59a |
| Right-of-use assets | 112.89a | 117.4a |
| Intangible assets | 546.78a | 542.84a |
| Investments in equity accounted investees | 3,665.56a | 3,795.52a |
| Long term investments | 96.46a | 172.03a |
| Deferred tax assets | 0a | 4.93a |
| Long term prepaid employees’ benefits | 593.28a | 700.15a |
| Goodwill | 630.48a | 630.48a |
| Derivative financial instruments | 26.29a | 34.21a |
| Other non-current assets | 38.5a | 41.67a |
| Total non-current assets | 17,188.18a | 17,701.82a |
| Current assets | — | — |
| Inventories | 1,214.05a | 1,108.97a |
| Trade receivables | 1,199.83a | 1,115.03a |
| Prepayments and other current assets | 375.05a | 268.04a |
| Short term investments | 147a | 326a |
| Cash and cash equivalents | 957.99a | 1,504.04a |
| Total current assets | 3,893.91a | 4,322.08a |
| Total assets | 21,082.09a | 22,023.9a |
| Equity and liabilities | — | — |
| Equity | — | — |
| Share capital | 7,333.33a | 7,333.33a |
| Share premium | 4,019.66a | 4,031.66a |
| Treasury shares | -84.25a | -82.12a |
| Statutory reserve | 0a | 2,089.15a |
| Other reserves | -318.13a | -301.21a |
| Retained earnings | 4,288.58a | 2,498.42a |
| Equity attributable to the equity holders of the Company | 15,239.2a | 15,569.23a |
| Non-controlling interests | 731.1a | 853.1a |
| Total equity | 15,970.3a | 16,422.33a |
| Liabilities | — | — |
| Non-current liabilities | — | — |
| Long term borrowings | 1,604.11a | 2,017.38a |
| Contractual liabilities | 33.54a | 38.16a |
| Lease liabilities | 152.19a | 158.66a |
| Employees’ benefits | 727.68a | 635.9a |
| Deferred tax liabilities | 107.76a | 44.82a |
| Provision for decommissioning costs | 147.67a | 144.38a |
| Other non-current liabilities | 8.56a | 8.56a |
| Total non-current liabilities | 2,781.49a | 3,047.87a |