| Assets | — | — |
| Cash and cash equivalents | 523.84a | 1,011.21a |
| Trade and other receivables | 49.65a | 59.57a |
| Tax receivable | 7.03a | 0a |
| Prepayments | 6.2a | 3.9a |
| Inventories | 120.58a | 111.89a |
| Total current assets | 707.28a | 1,186.58a |
| Inventories | 11.17a | 12.88a |
| Property, plant and equipment | 1,920.18a | 1,294.51a |
| Deferred development expenditure | 73.98a | 49.69a |
| Intangible assets | 1.27a | 1.4a |
| Deferred tax assets | 5.89a | 8.96a |
| Other non-current assets | 85.15a | 84.65a |
| Total non-current assets | 2,097.64a | 1,452.1a |
| Total assets | 2,804.92a | 2,638.68a |
| Liabilities | — | — |
| Interest payable | 0a | 0.27a |
| Trade and other payables | 92.36a | 82a |
| Borrowings | 28.54a | 10a |
| Current tax liability | 0a | 25.85a |
| Employee benefits | 6.03a | 5.08a |
| Provisions | 37.46a | 37.26a |
| Lease liabilities | 4.95a | 4.51a |
| Total current liabilities | 169.35a | 164.98a |
| Borrowings | 143.29a | 167.38a |
| Employee benefits | 0.47a | 1.41a |
| Provisions | 241.82a | 133.04a |
| Lease liabilities | 7.19a | 8.46a |
| Total non-current liabilities | 392.77a | 310.29a |
| Total liabilities | 562.12a | 475.27a |
| Net assets | 2,242.81a | 2,163.4a |
| Equity | — | — |
| Share capital | 2,091.09a | 2,091.09a |
| Retained earnings | 220.41a | 135.9a |
| Reserves | -68.69a | -63.58a |
| Total equity attributable to the equity holders of the company | 2,242.81a | 2,163.4a |