| (All amounts in Sri Lanka Rupees millions) | 
               
            
              | For the year ended 31 December 2005 | 
                | 
              Group | 
              Company | 
               
            
              |   | 
              Notes | 
              2005 | 
              2004 | 
              2005 | 
              2004 | 
             
            
                | 
               
            
              | Revenue | 
              1 | 
              32,515 | 
              29,516 | 
              29,282 | 
              26,681 | 
             
            
              | Operating costs | 
              2 | 
              (15,512) | 
              (14,485) | 
              (12,898) | 
              (11,601) | 
             
            
                | 
               
            
              | Operating profit before depreciation and other income | 
                | 
              17,003 | 
              15,031 | 
              16,384 | 
              15,080 | 
             
            
              | Depreciation | 
              9 | 
              (9,366) | 
              (8,952) | 
              (8,144) | 
              (8,114) | 
             
            
                | 
               
            
              | Operating profit | 
                | 
              7,637 | 
              6,079 | 
              8,240 | 
              6,966 | 
             
            
              | Other income | 
                | 
              162 | 
              216 | 
              158 | 
              194 | 
             
            
              | International Telecommunication Operators' Levy | 
              4 | 
              (1,550) | 
              (2,474) | 
              (1,549) | 
              (2,469) | 
             
            
              | Loss due to Tsunami | 
                | 
              – | 
              (330) | 
              – | 
              (300) | 
             
            
              | Interest expense and related charges | 
              5 | 
              (2,085) | 
              (2,252) | 
              (1,437) | 
              (1,812) | 
             
            
              | Interest income | 
                | 
              648 | 
              202 | 
              633 | 
              190 | 
             
            
                | 
               
            
              | Profit before tax | 
                | 
              4,812 | 
              1,441 | 
              6,045 | 
              2,769 | 
             
            
              | Tax | 
              6 | 
              (1,719) | 
              (148) | 
              (1,694) | 
              (148) | 
             
            
                | 
               
            
              | Net profit | 
                | 
              3,093 | 
              1,293 | 
              4,351 | 
              2,621 | 
             
            
                | 
               
            
              | Earnings per share (Rs) | 
              7 | 
              1.71 | 
              0.72 | 
              2.41 | 
              1.45 | 
             
            |