| 2016 CHF | 2015 CHF | |
| 1/1/16-30/6/16 | 1/1/15-30/6/15 | |
| Consolidated net profit | 11,038,903 | 4,116,696 |
| Depreciation on property, plant and equipment and amortisation of intangible assets | 5,338,339 | 4,821,083 |
| Net interest expense | 470,131 | 1,106,571 |
| Other non-cash adjustments | 67,139 | -80,527 |
| Change in short-term provisions | 0 | -70,904 |
| Change in long-term provisions | 455,490 | -1,193,363 |
| Accounting losses (profits) from sales of fixed assets | 4,278 | 42,539 |
| Income from associates and joint ventures | -180,939 | -288,942 |
| Earned capital | 17,193,341 | 8,453,153 |
| As % of net sales revenue | 6.30% | 3.00% |
| Change in trade receivables | -939,301 | 18,066,384 |
| Change in trade receivables from related parties | -2,996,201 | -1,996,762 |
| Change in other short-term receivables | -3,062,466 | -10,700,397 |
| Change in inventories | -19,524,372 | -3,661,669 |
| Change in prepayments and accrued income | -2,026,712 | -11,329,249 |
| Change in trade liabilities | -7,095,333 | -28,145,567 |
| Change in other current liabilities | -625,256 | 19,766,233 |
| Change in other current liabilities to related parties | 344,299 | 0 |
| Change in accrued liabilities and deferred income | 1,684,935 | -2,248,800 |
| Change in net current assets | -34,240,408 | -20,249,826 |
| Cash flow from operating activities | -17,047,067 | -11,796,673 |
| As % of net sales revenue | -6.25% | -4.19 % |
| Investments in fixed assets | -11,432,255 | -10,430,643 |
| Divestments of fixed assets | 532,704 | 26,592 |
| Investments in intangible assets | -98,504 | -603,219 |
| Divestments of intangible assets | 0 | 119,039 |
| Divestments of long-term financial assets | 873 | 24,444 |
| Interest and dividends received from financial assets | 8 | 6,770 |
| Cash flow from investing activities | -10,997,174 | -10,857,017 |
| Free cash flow | -28,044,241 | -22,653,690 |
| As % of net sales revenue | -10.28% | -8.05 % |
| Change in short-term financial liabilities | 4,579,631 | -7,118,423 |
| Change in non-current financial liabilities | 14,956,036 | 0 |
| Additions/disposals of minority interests in capital and profit | 0 | 2,072,165 |
| Capital increase incl. premium from conversion of convertible bonds Agio aus Wandlung Wandelanleihe | 0 | 1,220,907 |
| Capital increase | -49,884 | 10,890,596 |
| Capital increase at subsidiaries, currency translation difference | 0 | -11,500 |
| Sale (purchase) own shares net cash flow | -515,690 | 659,018 |
| Interest paid | -470,139 | -1,113,341 |
| Dividend payments | -5,216,023 | -4,118,185 |
| Cash flow from financing activities | 13,283,932 | 2,481,237 |
| Currency translation | 24,964 | 1,367,393 |
| Net change in cash flow and cash equivalents | -14,735,345 | -18,805,059 |
| Cash and cash equivalents at 1 January | 43,023,224 | 46,379,658 |
| Cash and cash equivalents at 30 June | 28,287,879 | 27,574,599 |