1 Net debt / (cash) is defined as gross debt less cash and bank balances.
2 Net tangible assets is defined as shareholders' funds less intangible assets.
3 Return on shareholders' funds is defined as profit before taxation divided by shareholders' funds.
4 Net interest expense refers to interest expense less interest income. This ratio is not applicable for 2010 and 2009 given that the Group's interest income exceeded its interest expense for the years ended 31 March 2010 and 31 March 2009 respectively.
5 Net debt gearing is defined as the ratio of net debt to net capitalisation. Net capitalisation is the aggregate of net debt and shareholders' funds less minority interest. This ratio is not applicable for 2010, 2009 and 2008 given that the Group's cash exceeded its gross debt as at 31 March 2010, 31 March 2009 and 31 March 2008 respectively.
6 Basic earnings per share is defined as profit attributable to shareholders divided by weighted average number of issued shares.
7 Net tangible assets per share is defined as net tangible assets divided by total number of issued shares.
8 Gross dividend yield per share is defined as gross dividend divided by year-end market price.