| Third quarter | First nine months | |||
| SEK M | 2011 | 2010 | 2011 | 2010 |
| Net sales | 71,559 | 62,225 | 218,801 | 185,401 |
| Cost of sales | (55,139) | (47,015) | (166,238) | (141,660) |
| Gross income | 16,420 | 15,210 | 52,563 | 43,741 |
| Gross margin, % | 22.9 | 24.4 | 24.0 | 23.6 |
| Research and development expenses | (3,207) | (3,125) | (9,886) | (9,330) |
| Selling expenses | (5,897) | (5,520) | (17,531) | (16,779) |
| Administrative expenses | (1,703) | (1,295) | (5,158) | (4,347) |
| Other operating income and expenses | (97) | (377) | (676) | (796) |
| Income (loss) from investments in | ||||
| associated companies | (1) | (10) | (71) | (66) |
| Income from other investments | 8 | (15) | 23 | (8) |
| Operating income | 5,523 | 4,866 | 19,264 | 12,414 |
| Operating margin, % | 7.7 | 7.8 | 8.8 | 6.7 |
| Operating income before depreciation and amortization (EBITDA) | 8,507 | 7,794 | 27,768 | 20,982 |
| EBITDA margin, % | 11.9 | 12.5 | 12.7 | 11.3 |