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Earnings per share | 12 Months Ended
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Dec. 31, 2019
Text block [abstract] |
Earnings per share | 9. Earnings per share Basic EPS The calculation of basic EPS is as follows:
Continuing operations |  | 2019 |  |  | 2018 |  |  | 2017 |
Earnings 1 (£ million) |  |  | 627.9 |  |  |  | 936.5 |  |  |  | 1,579.5 |
Weighted average shares used in basic EPS calculation (million) |  |  | 1,250.0 |  |  |  | 1,247.8 |  |  |  | 1,261.1 |
EPS |  |  | 50.2p |  |  |  | 75.1p |  |  |  | 125.2p |
Discontinued operations |  | 2019 |  |  | 2018 |  |  | 2017 |
Earnings 1 (£ million) |  |  | (3.8 | ) |  |  | 126.4 |  |  |  | 237.1 |
Weighted average shares used in basic EPS calculation (million) |  |  | 1,250.0 |  |  |  | 1,247.8 |  |  |  | 1,261.1 |
EPS |  |  | (0.3p | ) |  |  | 10.1p |  |  |  | 18.8p |
Continued and discontinued operations |  | 2019 |  |  | 2018 |  |  | 2017 |
Earnings 1 (£ million) |  |  | 624.1 |  |  |  | 1,062.9 |  |  |  | 1,816.6 |
Weighted average shares used in basic EPS calculation (million) |  |  | 1,250.0 |  |  |  | 1,247.8 |  |  |  | 1,261.1 |
EPS |  |  | 49.9p |  |  |  | 85.2p |  |  |  | 144.0p |
Note
1 |  | Earnings is equivalent to profit for the year attributable to equity holders of the parent.
Diluted EPS The calculation of diluted reported and diluted EPS is as follows:
Continuing operations |  | 2019 |  |  | 2018 |  |  | 2017 |
Diluted earnings (£ million) |  |  | 627.9 |  |  |  | 936.5 |  |  |  | 1,579.5 |
Weighted average shares used in diluted EPS calculation (million) |  |  | 1,260.6 |  |  |  | 1,261.2 |  |  |  | 1,275.8 |
Diluted EPS |  |  | 49.8p |  |  |  | 74.3p |  |  |  | 123.8p |
Discontinued operations |  | 2019 |  |  | 2018 |  |  | 2017 |
Diluted earnings (£ million) |  |  | (3.8 | ) |  |  | 126.4 |  |  |  | 237.1 |
Weighted average shares used in diluted EPS calculation (million) |  |  | 1,260.6 |  |  |  | 1,261.2 |  |  |  | 1,275.8 |
Diluted EPS |  |  | (0.3p | ) |  |  | 10.0p |  |  |  | 18.6p |
Continued and discontinued operations |  | 2019 |  |  | 2018 |  |  | 2017 |
Diluted earnings (£ million) |  |  | 624.1 |  |  |  | 1,062.9 |  |  |  | 1,816.6 |
Weighted average shares used in diluted EPS calculation (million) |  |  | 1,260.6 |  |  |  | 1,261.2 |  |  |  | 1,275.8 |
Diluted EPS |  |  | 49.5p |  |  |  | 84.3p |  |  |  | 142.4p |
Diluted EPS has been calculated based on the diluted earnings amounts above. At 31 December 2019, options to purchase 19.3 million ordinary shares (2018: 16.9 million, 2017: 8.2 million) were outstanding, but were excluded from the computation of diluted earnings per share because the exercise prices of these options were greater than the average market price of the Group’s shares and, therefore, their inclusion would have been accretive. A reconciliation between the shares used in calculating basic and diluted EPS is as follows:
|  | 2019 m |  |  | 2018 m |  |  | 2017 m |
Average shares used in basic EPS calculation |  |  | 1,250.0 |  |  |  | 1,247.8 |  |  |  | 1,261.1 |
Dilutive share options outstanding |  |  | 0.3 |  |  |  | 1.6 |  |  |  | 1.8 |
Other potentially issuable shares |  |  | 10.3 |  |  |  | 11.8 |  |  |  | 12.9 |
Shares used in diluted EPS calculation |  |  | 1,260.6 |  |  |  | 1,261.2 |  |  |  | 1,275.8 |
At 31 December 2019 there were 1,328,167,813 (2018: 1,332,678,227, 2017: 1,332,511,552) ordinary shares in issue, including treasury shares of 70,787,730 (2018: 70,854,553, 2017: 62,578,938).

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