for the year ended 31 March 2022
| Notes | 2022 US$m | 2021 US$m | |
| Other operating income | G | 116.9 | 70.2 |
| Staff costs | H | (4.3) | (3.9) |
| Depreciation | N | (0.3) | (0.3) |
| Other operating expenses | G | (128.2) | (65.1) |
| Operating (loss)/profit | (15.9) | 0.9 | |
| Interest receivable and similar income | I | 69.5 | 81.5 |
| Interest payable and similar expenses | J | (0.2) | (0.3) |
| Dividend income from subsidiary undertakings | M | 250.0 | 100.0 |
| Profit before tax | 303.4 | 182.1 | |
| Tax on profit | K | (13.0) | (20.8) |
| Profit after tax and for the financial year | 290.4 | 161.3 |