Notes to the Company financial statements | Note 3
for the year ended 31 December 2010

        December
2010
Rm
    December
2009
Rm
 
3.   INCOME TAX EXPENSE            
    Secondary tax on companies   (631)     (337)  
    Normal tax   —     (24)  
    Deferred tax charge   (1)     (1)  
        (632)     (362)  
    South African normal taxation is calculated at 28% (December 2009: 28%) of the estimated taxable income for the year.
        December
2010
%
    December
2009
%
 
    Tax rate reconciliation            
    The charge for the year can be reconciled to the effective rate of taxation in South Africa as follows:            
    Tax at standard rate   28,0     28,0  
    Exempt income   (49,2)     (60,8)  
    Effect of STC   15,9     3,9  
    Prior year under/overprovision   —     0,2  
    Expenses not deductible for tax purposes   21,2     32,9  
        15,9     4,2