| Explanations in the notes | 2020 | in % | 2019 | in % | |
| 1.1.20 – 31.12.20 | 1.1.19 – 31.12.19 | ||||
| Net sales | 16) | 306,199 | 100.4% | 456,797 | 103.9% |
| Other operating income | 17) | 994 | 0.3% | 1,493 | 0.3% |
| Change in inventories of semi-finished and finished products | –2,192 | –0.7% | –18,635 | –4.2% | |
| Production revenue | 305,001 | 100.0% | 439,655 | 100.0% | |
| Cost of materials and goods | –210,668 | –69.1% | –377,853 | –85.9% | |
| Gross operating profit | 94,332 | 30.9% | 61,802 | 14.1% | |
| Personnel expenses | 18) | –39,722 | –13.0% | –50,757 | –11.5% |
| Other operating expenses | 19) | –40,741 | –13.4% | –85,754 | –19.5% |
| Total operating expenses | –80,463 | –26.4% | –136,512 | –31.0% | |
| EBITDA | 13,869 | 4.5% | –74,709 | –17.0% | |
| Depreciation of fixed assets | 6) | –82,228 | –27.0% | –47,891 | –10.9% |
| Amortisation of intangible assets | 8) | –684 | –0.2% | –3,708 | –0.8 % |
| Profit from sale of subsidiaries | 27) | 1,170 | 0.4% | –139,001 | –31.6% |
| EBIT | –67,872 | –22.3% | –265,309 | –60.3% | |
| Income from associates and joint ventures | 20) | 350 | 0.1% | 354 | 0.1% |
| Financial result | 20) | –5,092 | –1.7% | –8,675 | –2.0% |
| Ordinary result | –72,615 | –23.8% | –273,631 | –62.2% | |
| Non-operating result | 21) | 5 | 0.0% | 11 | 0.0% |
| Extraordinary result | 22) | 1 | 0.0% | –343 | –0.1% |
| Earnings before taxes | –72,608 | –23.8% | –273,962 | –62.3% | |
| Income taxes | 23) | 2,335 | 0.8% | 2,583 | 0.6% |
| Net result | –70,274 | –23.0% | –271,378 | –61.7% | |
| Attributable to: | |||||
| Net result current year (shareholder) | –70,133 | –23.0% | –239,200 | –54.4% | |
| Net result current year (minority interests) | –141 | 0.0% | –32,178 | –7.3% | |
| Net result | –70,274 | –23.0% | –271,378 | –61.7% | |
| Earnings per share (basic) | 24) | –34.60 | –164.55 | ||
| Earnings per share (diluted) | 24) | –34.60 | –164.55 |
1) Previous year's figures adjusted due to the change in the valuation principles for the hybrid bond (see also the notes to the consolidated financial statements of the HOCHDORF Group "Principles of consolidation" and note 15)