| Assets | — | — |
| Current assets | — | — |
| Cash and deposits | 48.25a | 73.06a |
| Notes and accounts receivable - trade, and contract assets | 65.79a | 59.65a |
| Merchandise and finished goods | 38.91a | 23.14a |
| Work in process | 101.17a | 81.98a |
| Raw materials and supplies | 2.55a | 2.5a |
| Other | 9.68a | 7.96a |
| Allowance for doubtful accounts | -0.02a | -0.02a |
| Total current assets | 266.34a | 248.29a |
| Non-current assets | — | — |
| Property, plant and equipment | — | — |
| Buildings and structures, net | 326.01a | 331.03a |
| Machinery, equipment and vehicles, net | 28.14a | 24.38a |
| Land | 241.13a | 243.29a |
| Construction in progress | 105.45a | 86.75a |
| Other, net | 17.2a | 16.06a |
| Total property, plant and equipment | 717.93a | 701.5a |
| Intangible assets | 22.46a | 21.89a |
| Investments and other assets | — | — |
| Investment securities | 85.96a | 78.13a |
| Retirement benefit asset | 14.13a | 14.46a |
| Deferred tax assets | 2.49a | 2.79a |
| Other | 13.41a | 12.46a |
| Allowance for doubtful accounts | -0.14a | -0.14a |
| Total investments and other assets | 115.86a | 107.72a |
| Total non-current assets | 856.25a | 831.1a |
| Total assets | 1,122.59a | 1,079.39a |
| Liabilities | — | — |
| Current liabilities | — | — |
| Notes and accounts payable - trade | 25.83a | 24.41a |
| Short-term borrowings | 100.38a | 99.74a |
| Current portion of bonds payable | 15.1a | 0a |
| Income taxes payable | 9.57a | 8.85a |
| Advances received | 46.11a | 38.39a |
| Contract liabilities | 14.51a | 13.79a |
| Provision for bonuses | 4.9a | 4.16a |
| Other provisions | 2.79a | 3.09a |
| Other | 83.3a | 82.41a |
| Total current liabilities | 302.49a | 274.83a |
| Non-current liabilities | — | — |
| Bonds payable | 155a | 170.1a |
| Long-term borrowings | 176.46a | 165.51a |
| Deferred tax liabilities | 3.72a | 5.58a |
| Retirement benefit liability | 18.43a | 18.21a |
| Asset retirement obligations | 15.46a | 15.41a |
| Other provisions | 0.78a | 0.49a |
| Other | 35.5a | 35.31a |
| Total non-current liabilities | 405.34a | 410.62a |
| Total liabilities | 707.83a | 685.46a |
| Net assets | — | — |
| Shareholders' equity | — | — |
| Share capital | 59.02a | 59.02a |
| Capital surplus | 42.32a | 42.29a |
| Retained earnings | 317.59a | 284.37a |
| Treasury shares | -34.76a | -19.78a |
| Total shareholders' equity | 384.18a | 365.9a |
| Accumulated other comprehensive income | — | — |
| Valuation difference on available-for-sale securities | 27.17a | 22.64a |
| Deferred gains or losses on hedges | 0.13a | 0.08a |
| Foreign currency translation adjustment | 0.02a | 0.02a |
| Remeasurements of defined benefit plans | 3.14a | 4.56a |
| Total accumulated other comprehensive income | 30.46a | 27.29a |
| Non-controlling interests | 0.12a | 0.75a |
| Total net assets | 414.76a | 393.93a |
| Total liabilities and net assets | 1,122.59a | 1,079.39a |