Notes to the Condensed Interim Financial Statements 11. Earnings Per Share (Basic and Diluted) Earnings per share is calculated by dividing the profit attributable to the Company’s shareholders for the period ended 30th June 2023 of HK$2,223 million (30th June 2022 (Restated): HK$4,348 million; year ended 31st December 2022: HK$7,980 million) by the weighted average number of 5,850,000,000 ordinary shares in issue during the period (30th June 2022 and 31st December 2022: 5,850,000,000 ordinary shares). 12. Property, Plant and Equipment Property, plant and equipment HK$M Cost: At 1st January 2023 6,177 Translation differences (127) Acquisition of subsidiary companies (note 31) 632 Additions 85 Disposals (5) At 30th June 2023 6,762 Accumulated depreciation and impairment: At 1st January 2023 3,012 Translation differences (47) Charge for the period (note 7) 130 Disposals (5) At 30th June 2023 3,090 Net book value: At 30th June 2023 3,672 At 1st January 2023 3,165 Property, plant and equipment are reviewed for impairment whenever events or changes in circumstances indicate that the carrying amount may not be recoverable. 66 Swire Properties Limited Interim Report 2023