32 Earnings per share Basic and diluted earnings per share are calculated in accordance with IAS 33 as follows: (XLS:) Download 2018 2017 2016 Profit attributable to the owners of the parent (net profit (loss)) millions of € 2,166 3,461 2,675 Adjustment millions of € 0 0 0 ADJUSTED NET PROFIT (LOSS) (BASIC/DILUTED) millions of € 2,166 3,461 2,675 Number of ordinary shares issued millions 4,761 4,722 4,645 Treasury shares millions (19) (19) (20) ADJUSTED WEIGHTED AVERAGE NUMBER OF ORDINARY SHARES OUTSTANDING (BASIC/DILUTED) millions 4,742 4,703 4,625 EARNINGS PER SHARE (BASIC/DILUTED) millions of € 0.46 0.74 0.58 The calculation of earnings per share (basic/diluted) is based on the time-weighted number of all ordinary shares outstanding. Furthermore, the weighted average number of ordinary shares outstanding is determined by deducting the weighted average number of treasury shares held by Deutsche Telekom AG. There are currently no diluting shares.