| In millions, except per share items | Dec-31-22 | Dec-31-21 | Dec-31-20 | Dec-31-19 | Dec-31-18 |
| | 20-F | 20-F | 20-F | 20-F | 20-F |
| Revenues | 347.9 | 343.4 | 164.5 | 120.0 | 77.2 |
| Revenue growth | 1.3% | 108.8% | 37.1% | 55.4% | |
| Cost of goods sold | 63.4 | 61.2 | 37.0 | 22.4 | 21.0 |
| Gross profit | 284.5 | 282.2 | 127.5 | 97.5 | 56.2 |
| Gross margin | 81.8% | 82.2% | 77.5% | 81.3% | 72.8% |
| Selling, general and administrative [+] | 9.1 | 7.9 | 6.3 | 7.5 | 4.6 |
| General and administrative | 9.1 | 7.9 | 6.3 | 7.5 | 4.6 |
| Other operating expenses [+] | 2.5 | 3.3 | 3.7 | 6.3 | 5.2 |
| Exploration expenses | -2.5 | -3.3 | -3.7 | -6.3 | -5.2 |
| EBITDA [+] | 272.8 | 271.0 | 117.5 | 83.8 | 46.4 |
| EBITDA growth | 0.7% | 130.7% | 40.3% | 80.5% | |
| EBITDA margin | 78.4% | 78.9% | 71.4% | 69.8% | 60.1% |
| Depreciation and amortization | 72.2 | 69.8 | 41.8 | 28.7 | 17.4 |
| EBIT [+] | 200.6 | 201.2 | 75.6 | 55.0 | 29.0 |
| EBIT growth | -0.3% | 166.0% | 37.5% | 89.7% | |
| EBIT margin | 57.7% | 58.6% | 46.0% | 45.9% | 37.6% |
| Interest expense, net [+] | 74.6 | 56.2 | 41.5 | 32.8 | 17.2 |
| Interest expense | 76.6 | 56.2 | 41.8 | 33.9 | 17.8 |
| Interest income | 2.0 | 0.0 | 0.3 | 1.1 | 0.6 |
| Other income (expense), net [+] | 62.1 | 17.3 | -26.0 | -5.1 | -0.1 |
| Unrealized gain/loss on derivatives | 79.7 | 18.4 | -25.2 | -1.6 | |
| Write-off of deferred debt issuance costs | -16.1 | -1.2 | | -3.4 | |
| Other | -1.5 | 0.1 | -0.8 | -0.1 | -0.1 |
| Pre-tax income | 188.1 | 162.3 | 8.2 | 17.1 | 11.8 |
| Income taxes | 0.1 | 0.1 | 0.1 | 0.2 | 0.0 |
| Tax rate | 0.1% | 0.1% | 1.0% | 1.1% | |
| Net income | 188.0 | 162.2 | 8.1 | 17.0 | 11.8 |
| Net margin | 54.0% | 47.2% | 4.9% | 14.1% | 15.3% |
| |
| Basic EPS [+] | $3.51 | $3.04 | $0.15 | $0.31 | $0.29 |
| Growth | 15.5% | 1936.3% | -52.3% | 7.8% | |
| Diluted EPS [+] | $3.51 | $3.04 | $0.15 | $0.31 | $0.29 |
| Growth | 15.5% | 1936.3% | -52.3% | 7.8% | |
| |
| Dividends per share [+] | $3.48 | $1.85 | $0.20 | $0.10 | |
| Growth | 87.5% | 830.5% | 99.3% | | |
| |
| Shares outstanding (basic) [+] | 53.5 | 53.3 | 54.3 | 54.2 | 40.6 |
| Growth | 0.3% | -1.7% | 0.0% | 33.6% | |
| Shares outstanding (diluted) [+] | 53.5 | 53.3 | 54.3 | 54.2 | 40.6 |
| Growth | 0.3% | -1.7% | 0.0% | 33.6% | |
| |
| EBIT is a non-GAAP figure that excludes all non-recurring expenses: restructuring costs, asset impairments, IPR&D writeoffs, and other unusual charges. |