in PLN millions, unless otherwise stated
| from 1 January 2020 to 31 December 2020 | from 1 January 2019 to 31 December 2019 | |
|---|---|---|
| [Note 7.1] Gains on derivatives, of which: | 378 | 199 | 
| measurement of derivatives | 208 | 87 | 
| realisation of derivatives | 170 | 112 | 
| Interest income calculated using the effective interest rate method | 4 | 9 | 
| [Note 7.1] Exchange differences on measurement and realisation of assets and liabilities other than borrowings | – | 171 | 
| [Note 3.2] Reversal of impairment losses on intangible assets not yet available for use | – | 150 | 
| Reversal of impairment losses on other financial receivables | 9 | 7 | 
| Release of provisions | 54 | 85 | 
| Gains on the sale of intangible assets | 30 | 7 | 
| Government grants received | 18 | 21 | 
| Income from servicing of letters of credit and guarantees | 49 | 12 | 
| Compensation, fines and penalties received | 19 | 27 | 
| Refund of excise tax for previous years | 53 | 4 | 
| Other | 88 | 117 | 
| Total other operating income | 702 | 809 | 
| [Note 7.1] Losses on derivatives, of which: | (597) | (278) | 
| measurement of derivatives | (121) | (27) | 
| realisation of derivatives | (476) | (251) | 
| [Note 4.4] Recognition of impairment losses on financial instruments | (6) | (17) | 
| [Note 4.4] Impairment losses on fixed assets under construction and intangible assets not yet available for use | (77) | (3) | 
| Foreign exchange losses on assets and liabilities other than borrowings | (391) | – | 
| Provisions recognised | (52) | (148) | 
| Losses on the sale of property, plant and equipment | (39) | (15) | 
| Donations granted | (41) | (30) | 
| Other | (123) | (132) | 
| Total other operating costs | (1 326) | (623) | 
| Other operating income and (costs) | (624) | 186 |