9. Earnings per share

The calculation of the basic and diluted earnings per share is based on the following data:

2013

£m
2012
(Restated)
£m
Earnings
Earnings for the purpose of basic earnings per share being net profit attributable to equity holders of the parent73.067.1
NumberNumber
Number of shares
Weighted average number of ordinary shares for the purpose of basic earnings per share189,406,006186,981,962
Effect of dilutive potential ordinary shares:
Share options19,307
Weighted average number of ordinary shares for the purpose of diluted earnings per share189,406,006187,001,269
PencePence
Earning per share:
Basic38.535.9
Diluted38.535.9
£m£m
Headline earnings
Net profit attributable to equity holders of the parent73.067.1
Add back:
Amortisation of acquired intangible fixed assets (net of tax)4.41.9
Profit on disposal of investments (net of tax)(2.2)
Acquisition costs (net of tax)1.6
Reorganisation costs (net of tax)0.61.8
Headline earnings78.070.2
PencePence
Earnings per share from headline earnings:
Basic41.237.5
Diluted41.237.5