Glaston Oyj reaffirmed earnings guidance for the year 2012. The company reported that, the forecast, published in February 2012 remains unchanged regarding net sales, and Glaston expects that 2012 net sales will be at least at the 2011 level. The forecast for operating result is revised so that the operating result excluding non-recurring items is expected to be positive. Earlier Glaston forecasted that the operating result was expected to be positive.