| Cash flows from operating activities | | | |
| Operating profit | | 51,651 | 53,997 |
| Adjustments for: | | | |
| Depreciation and amortisation | 9, 10, 11 | 23,931 | 20,911 |
| Loss on disposal of property, plant and equipment and intangible assets | 13 | 611 | 586 |
| Operating profit before changes in working capital and provisions | | 76,193 | 75,494 |
| Decrease/(increase) in inventories and catalysts | | 1,593 | (5,438) |
| Decrease in trade and other receivables | | 2,764 | 324 |
| Increase in trade and other payables | | 5,398 | 655 |
| Cash flows from operations before income taxes and interest paid | | 85,948 | 71,035 |
| Income tax paid | | (10,550) | (6,146) |
| Finance costs paid | | (3,842) | (5,210) |
| Cash flows from operating activities | | 71,556 | 59,679 |
| Cash flows from investing activities | | | |
| Acquisition of property, plant and equipment and intangible assets | | (42,656) | (38,416) |
| Loans issued, net | | (84) | (257) |
| Proceeds from disposal of property, plant and equipment | | 86 | 19 |
| Finance income received | | 637 | 307 |
| Acquisition of investments, net | | - | (8) |
| Other payments | | (1,267) | (814) |
| Cash flows used in investing activities | | (43,284) | (39,169) |
| Cash flows from financing activities | | | |
| Proceeds from borrowings | 27 | 48,725 | 83,874 |
| Repayment of borrowings | 27 | (42,698) | (83,572) |
| Dividends paid to shareholders of the Parent | 25 | (32,244) | (13,598) |
| Dividends paid to non-controlling interests | | (84) | - |
| Leases paid | 28 | (1,937) | (1,285) |
| Proceeds/(payments) from settlement of derivatives, net | | 112 | (22) |
| Cash flows used in financing activities | | (28,126) | (14,603) |
| Net increase in cash and cash equivalents | | 146 | 5,907 |
| Cash and cash equivalents at 1 January | | 9,320 | 2,691 |
| Effect of exchange rates fluctuations | | (1,230) | 722 |
| Cash and cash equivalents at 31 December | 24 | 8,236 | 9,320 |