| Assets | — | — |
| Current assets | — | — |
| Cash and cash equivalents | 241.68a | 201.15a |
| Trade and other receivables | 267.48a | 232.02a |
| Inventories | 67.24a | 69.86a |
| Income taxes receivable | 6.98a | 10.64a |
| Loans receivable | 45.66a | 42.35a |
| Other financial assets | 166.4a | 227.07a |
| Other current assets | 57.43a | 37.99a |
| Subtotal | 852.87a | 821.08a |
| Assets held for sale | 17.34a | 17.34a |
| Total current assets | 870.21a | 838.42a |
| Non-current assets | — | — |
| Oil and gas assets | 3,855.23a | 3,601.56a |
| Other property, plant and equipment | 28.86a | 25.48a |
| Goodwill | 20.52a | 20.47a |
| Intangible assets | 17.02a | 9.03a |
| Investments accounted for using equity method | 948.08a | 751.9a |
| Loans receivable | 1,433.3a | 1,306.53a |
| Other financial assets | 123.56a | 95.89a |
| Asset for retirement benefits | 0.9a | 0.9a |
| Deferred tax assets | 64.56a | 72.98a |
| Other non-current assets | 18.64a | 16.32a |
| Total non-current assets | 6,510.66a | 5,901.06a |
| Total assets | 7,380.86a | 6,739.48a |
| Liabilities | — | — |
| Current liabilities | — | — |
| Trade and other payables | 192.58a | 207.91a |
| Bonds and borrowings | 193.85a | 161.06a |
| Other financial liabilities | 54.95a | 40.81a |
| Income taxes payable | 63.96a | 131.72a |
| Asset retirement obligations | 15.28a | 19.02a |
| Other current liabilities | 13.05a | 11.69a |
| Total current liabilities | 533.66a | 572.21a |
| Non-current liabilities | — | — |
| Bonds and borrowings | 870.06a | 895.92a |
| Other financial liabilities | 62.95a | 66.03a |
| Liability for retirement benefits | 1.32a | 0.8a |
| Asset retirement obligations | 381.66a | 369.48a |
| Deferred tax liabilities | 388.22a | 332.94a |
| Other non-current liabilities | 5.15a | 3.05a |
| Total non-current liabilities | 1,709.37a | 1,668.23a |
| Total liabilities | 2,243.03a | 2,240.44a |
| Equity | — | — |
| Common stock | 290.81a | 290.81a |
| Capital surplus | 458.25a | 679.13a |
| Retained earnings | 3,073.53a | 2,746.53a |
| Treasury stock | -131.24a | -221.33a |
| Other components of equity | 1,130.45a | 713.96a |
| Total equity attributable to owners of parent | 4,821.81a | 4,209.1a |
| Non-controlling interests | 316.03a | 289.93a |
| Total equity | 5,137.83a | 4,499.03a |
| Liabilities and equity | — | — |
| Total liabilities and equity | 7,380.86a | 6,739.48a |