15. Earnings/(loss) per share
Basic earnings per share are calculated by dividing net profit for the period assigned to regular shareholders of the Group by the weighted average number of ordinary shares issued and outstanding during the period.
Diluted earnings per share are calculated by dividing net profit for the period assigned to regular shareholders of the Group by the weighted average number of ordinary shares issued and outstanding during the period.
| 2023 | 2022 | |
|---|---|---|
| Net profit attributable to owners of the parent | 539,077 | 678,356 |
| Weighted average number of ordinary shares assumed for the calculation of earnings per ordinary share | 9,650,152 | 9,650,152 |
| Weighted average number of ordinary shares assumed for the calculation of diluted earnings per ordinary share | 9,650,152 | 9,650,666 |
| Basic earnings per share from the basic profit for the period attributable to owners of the parent (in PLN) | 55.86 | 70.29 |
| Diluted earnings per share from the basic profit for the period attributable to owners of the parent (in PLN) | 55.86 | 70.29 |
In 2023 and 2022, no shares were acquired within the share option plans for key management staff. More information about the share options plan may be found in note 23.1.