Helsinki, Finland, 03 June 2011 -- Ahlstrom, a global high performance materials company, will invest into additional capacity in filtration material for gas turbine and high efficiency air applications at its site in Tampere, Finland. The investment will be completed by the end of September 2011.

"This capacity increase in Tampere is an important step for Ahlstrom's filtration business area and we are committed to grow with our global customers in power generation and high efficiency air markets. We understand the importance of efficient and flawless gas turbine plant operation and we have focused on building the right product portfolio of filter media to meet these needs," said Fulvio Capussotti, vice president, Advanced Filtration.

Ahlstrom is the leading manufacturer of filtration materials globally, with 11 production sites across four continents. In 2010, the company acquired a transportation filtration plant in Binzhou, China, and announced a EUR 17.5 million investment to expand capacity in Turin, Italy. The company recently announced additional investments to its plant in Louveira, Brazil.

Ahlstrom is a high performance materials company, partnering with leading businesses around the world to help them stay ahead. The company's products are used in a large variety of everyday applications, such as filters, wallcovers, wipes, flooring, labels, and food packaging. Ahlstrom has  5700 employees serving customers in 26 countries on six continents. In 2010, Ahlstrom's net sales amounted to EUR 1.9 billion. The company's share is quoted on the NASDAQ OMX Helsinki. More information is available at www.ahlstrom.com.