| Revenue | 1,949.5a | 1,804.2a |
| Other income | 18.8a | 25a |
| Staff costs | -205.1a | -192.2a |
| Other operating costs | -602.4a | -556.4a |
| Allowance for expected credit losses - trade and other receivables | -22a | -22.7a |
| Depreciation of property, plant and equipment | -406.1a | -385.5a |
| Amortisation of intangible assets | -32.7a | -38.1a |
| Infrastructure renewals expenditure | -219.8a | -193.5a |
| Total operating expenses | -1,469.3a | -1,363.4a |
| Operating profit | 480.2a | 440.8a |
| Investment income | 85.6a | 47a |
| Finance expense | -389.3a | -262.7a |
| Allowance for expected credit losses - loans to joint ventures | -2.4a | |
| Investment income and finance expense | -306.1a | -215.7a |
| Profit on disposal of subsidiary | | 31.2a |
| Share of losses of joint venture | -4.1a | |
| Profit before tax | 170a | 256.3a |
| Current tax credit | 5.8a | 25.2a |
| Deferred tax charge | -48.9a | -76.6a |
| Tax | -43.1a | -51.4a |
| Profit after tax | 126.9a | 204.9a |