SOLNA, Sweden--(BUSINESS WIRE)--Regulatory News: BYGGmax (STO:BMAX) In the fourth quarter, Byggmax increased net sales by 10 percent and EBIT improved to SEK 38 M October 1 - December 31 • Net sales amounted to SEK 695.4 M (633.2) up 9.8 percent • Net sales for comparable stores rose 3.7 percent (rose 2.9) • The gross margin was 32.5 percent (32.6) • EBIT amounted to SEK 37.9 M (34.2) • EBIT margin was 5.4 percent (5.4) • Profit after tax amounted to SEK 30.8 M (25.9) • Earnings per share total