Oct 01, 2007. /Lesprom Network/. Ahlstrom, a global leader in high performance fiber-based materials, announced on October 1, 2007 price increases on all its filter media products, as a consequence of the continuous rise of raw materials and energy costs, most of which are at all time record levels. The price increase will affect all filtration grades produced by Ahlstrom globally and will be effective November 1, 2007. The level of increase will depend on the markets and the constituents of the products. Specific details will be discussed with each customer individually by the appropriate business teams in the coming days. Ahlstrom's Filtration business area is the leading manufacturer of filtration materials for Transportation, Air and Liquid filtration with 13 production sites across four continents. Ahlstrom is a global leader in the development, manufacture and marketing of high performance fiber-based materials. Nonwovens and specialty papers, made by Ahlstrom, are used in a large variety of everyday products, such as filters, wipes, flooring, labels, and tapes. Based upon its unique fiber expertise and innovative approach, the company has a strong market position in several business areas in which it operates. Ahlstrom's 6 200 employees serve customers via sales offices and production facilities in more than 20 countries on six continents. In 2006, Ahlstrom's net sales amounted to Euro 1.6 billion. Ahlstrom's share is listed on the Helsinki Stock Exchange.