in PLN millions, unless otherwise stated
| from 1 October 2020 to 31 December 2020 |
from 1 October 2019 to 31 December 2019 |
from 1 October 2020 to 31 December 2020 |
from 1 October 2019 to 31 December 2019 |
|
|---|---|---|---|---|
| Depreciation of property, plant and equipment and amortisation of intangible assets | 618 | 571 | 2 062 | 2 013 |
| Employee benefits expenses | 1 620 | 1 444 | 5 884 | 5 594 |
| Materials and energy | 2 132 | 1 984 | 7 914 | 7 945 |
| External services | 665 | 720 | 2 226 | 2 655 |
| Minerals extraction tax | 505 | 328 | 1 625 | 1 520 |
| Other taxes and charges | 163 | 133 | 544 | 521 |
| Reversal of impairment losses on property, plant and equipment and intangible assets | (1) | (19) | (2) | (19) |
| Reversal of write-down of inventories | (9) | (13) | (29) | (38) |
| Advertising costs and representation expenses | 22 | 26 | 61 | 71 |
| Property and personal insurance | 17 | 15 | 65 | 59 |
| Impairment losses on property, plant and equipment and intangible assets | 70 | 217 | 162 | 217 |
| Write-down of inventories | 25 | 33 | 127 | 38 |
| Other costs | 12 | 15 | 62 | 78 |
| Total expenses by nature | 5 839 | 5 454 | 20 701 | 20 654 |
| Cost of merchandise and materials sold (+) | 121 | 126 | 672 | 681 |
| Change in inventories of finished goods and work in progress(+/-) | 547 | 476 | 474 | 337 |
| Cost of products for internal use of the Group(-) | (510) | (429) | (1 376) | (1 404) |
| Total cost of sales, selling costs and administrative expenses, including: | 5 997 | 5 627 | 20 471 | 20 268 |
| Cost of sales | 5 551 | 5 190 | 18 981 | 18 767 |
| Selling costs | 106 | 121 | 432 | 432 |
| Administrative expenses | 340 | 316 | 1 058 | 1 069 |