Earnings per ordinary share has been calculated by dividing the profit attributable to equity holders of the parent after taxation for each financial period by the weighted average number of ordinary shares in issue during the period.

	2019 Pence	2018 Pence
Basic earnings per share
– Underlying*	90.24	76.85
– Basic	30.15	37.24
Diluted earnings per share
– Underlying*	90.01	76.45
– Diluted	30.07	37.04

The calculations of basic and diluted earnings per share are based upon:

	2019 £m	2018 £m
Earnings for underlying basic and underlying diluted earnings per share	92.5	74.5
Earnings for basic and diluted earnings per share	30.9	36.1

	Number	Number
Weighted average number of ordinary shares for basic earnings per share	102,504,510	96,942,002
Impact of share options	257,838	509,209
Weighted average number of ordinary shares for diluted earnings per share	102,762,348	97,451,211

* Underlying measures exclude non-underlying items as defined in note 1.

 

At 30 June 2019, there are 421,486 options (2018: 231,551) that are excluded from the EPS calculations as they are not dilutive for the period presented but may become dilutive in the future.