Munich, Vienna, May 06, 2011 - In the first quarter of 2011, the Lenzing Group, a world market leader for man-made cellulose fibers, was able to increase its consolidated sales by 46 % to EUR 532.1 million compared to the same period in the previous year (Q1 2010*: EUR 365.0 million). The increase in EBITDA of 66 % to EUR 114.9 million (Q1 2010*: EUR 69.3 million) was even more pronounced.