| 2019 CHF | In % | 2018 | In % | ||
| 01.01.19 – 31.12.19 | 01.01.18 – 31.12.18 | ||||
| Net sales revenue | 16)* | 456,796,873 | 103.9% | 561,030,694 | 97.9% |
| Other operating income | 17)* | 1,493,247 | 0.3% | 2,699,855 | 0.5% |
| Change in inventories of semi-finished and finished products | –18,634,785 | –4.2% | 9,059,012 | 1.6% | |
| Production revenue | 439,655,334 | 100.0% | 572,789,560 | 100.0% | |
| Cost of materials and goods | –377,852,840 | –85.9% | –400,969,787 | –70.0% | |
| Gross operating profit | 61,802,494 | 14.1% | 171,819,773 | 30.0% | |
| Personnel expenses | 18)* | –50,757,056 | –11.5% | –52,980,451 | –9.2% |
| Other operating expenses | 19)* | –85,754,471 | –19.5% | –82,953,152 | –14.5% |
| Total operating expenses | –136,511,528 | –31.0% | –135,933,602 | –23.7% | |
| EBITDA | –74,709,034 | –17.0% | 35,886,170 | 6.3% | |
| Depreciation of fixed assets | –47,891,135 | –10.9% | –13,030,333 | –2.3% | |
| Amortisation of intangible assets | –3,707,670 | –0.8% | –1,357,063 | –0.2 % | |
| Impairment of investments | –139,001,465 | –31.6% | –2,849,490 | –0.5% | |
| EBIT | –265,309,304 | –60.3 % | 18,649,284 | 3.3% | |
| Income from associates and joint ventures | 20)* | 353,737 | 0.1% | 413,358 | 0.1% |
| Financial result | 20)* | –8,691,513 | –2.0% | –8,551,563 | –1.5% |
| Earnings before taxes | –273,647,080 | –62.2% | 10,511,079 | 1.8% | |
| Non-operating result | 21)* | 11,297 | 0.0% | –8,746 | 0.0% |
| Extraordinary result | 22)* | –342,582 | –0.1% | –97,426 | 0.0% |
| Earnings before taxes | –273,978,365 | –62.3% | 10,404,907 | 1.8% | |
| Income taxes | 23)* | –2,585,418 | –0.6% | –1,748,788 | –0.3% |
| Net profit | –271,392,946 | –61.7% | 8,656,119 | 1.5% | |
| Attributable to: | |||||
| Parent company shareholders | –239,214,569 | –54.4% | 2,844,707 | 0.5% | |
| Minority interests | –32,178,377 | –7.3% | 5,811,412 | 1.0% | |
| Net profit | –271,392,946 | –61.7% | 8,656,119 | 1.5% | |
| Earnings per share (basic) | 24)* | –164.56 | 2.02 | ||
| Earnings per share (diluted) | 24)* | –164.56 | 1.39 |