Marcolin reports pre-tax income of e2,554,000 for the 1st quarter ended March 31, which cannot be quite compared with the results of one year ago. The equity ratio has improved to 0.48. Consolidated revenues rose by 3.4 percent in the quarter to e44,672,000, led by a 5.3 percent increase in sunglasses and frames. UK sales jumped by 27 percent The investments carried out in the USA led to a 23 percent sales increase and to a positive Ebitda margin of 4.7 percent for Marcolin USA, against a negative value of e265,000 in the year-ago period.