Data in ths. PLN
| Note | Year ended 31/12/2017 (audited) | Year ended 31/12/2016 (audited) | |
| Revenue from sales of services and finished products | 5 | 4,640,808 | 4,341,874 |
| Revenue from sales of goods and materials | 51,845 | 30,085 | |
| Other operating revenue | 7 | 45,958 | 39,310 |
| Total operating revenue | 4,738,611 | 4,411,269 | |
| Depreciation, amortization and impairment losses | 6 | 546,885 | 621,592 |
| Consumption of materials and energy | 6 | 706,468 | 675,000 |
| External services | 6 | 1,618,716 | 1,573,059 |
| Taxes and charges | 38,987 | 36,256 | |
| Employee benefits | 6 | 1,508,716 | 1,442,301 |
| Other expenses by kind | 6 | 57,580 | 55,494 |
| Cost of goods and materials sold | 39,132 | 22,066 | |
| Other operating expenses | 7 | 67,127 | 117,572 |
| Total operating expenses | 4,583,611 | 4,543,340 | |
| Operating profit / (loss) | 155,000 | (132,071) | |
| Financial revenue | 8 | 20,167 | 38,925 |
| Financial expenses | 8 | 59,540 | 61,239 |
| Share in the profit / (loss) of entities accounted for under the equity method | 12 | 806 | 3,461 |
| Profit (loss) before tax | 116,433 | (150,924) | |
| Income tax | 9 | 34,760 | (17,152) |
| NET PROFIT / (LOSS) | 81,673 | (133,772) | |
| OTHER COMPREHENSIVE INCOME | |||
| Other comprehensive income subject to reclassification in the financial result | |||
| Effective portion of gains / (losses) related to a hedging instrument to hedge cash flow | 27,865 | (3,920) | |
| Income tax referring to the other comprehensive income line item | 9 | (5,294) | 745 |
| Foreign exchange differences resulting from translation of financial statements of foreign entities | (598) | 28,470 | |
| Total other comprehensive income subject to reclassification in the financial result | 21,973 | 25,295 | |
| Other comprehensive income not subject to reclassification in the financial result | |||
| Actuarial gains / (losses) on post-employment benefits | 26 | (35,982) | 21,482 |
| Income tax referring to the other comprehensive income line item | 9 | 6,836 | (4,081) |
| Total other comprehensive income not subject to reclassification in the financial result | (29,146) | 17,401 | |
| Total other comprehensive income | (7,173) | 42,696 | |
| TOTAL COMPREHENSIVE INCOME | 74,500 | (91,076) | |
| Net profit / (loss) attributable to: | |||
| Shareholders of the parent company | 81,673 | (133,772) | |
| Non-controlling interests | - | - | |
| Total other comprehensive income attributable to: | |||
| Shareholders of the parent company | 74,500 | (91,076) | |
| Non-controlling interests | - | - | |
| Earnings / (losses) per share (PLN per share) | |||
| Basic | 20 | 1.82 | (2.99) |
| Diluted | 20 | 1.82 | (2.99) |