LUND, Sweden--(BUSINESS WIRE)--Regulatory News: Midsona (STO:MSONA) (STO:MSONB) A quarter focused on integration and rationalisation JANUARY-MARCH 2015 (FIRST QUARTER) Net sales amounted to SEK 232 million (241). The gross margin was 42.7 percent (44.8). Operating profit amounted to SEK 1 million (16). The loss for the period was SEK 1 million (profit 12). Earnings per share before and after dilution amounted to a negative SEK 0.04 (positive 0.53). Cash flow from continuing operations amounted