Ahlstrom to collaborate with Dow Chemical Company on water filtration applications

Thu Mar 21, 2013 8:10am EDT

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Ahlstrom Corporation PRESS RELEASE March 21, 2013 at 14.10 

Ahlstrom, a global high performance fiber-based materials company, announces that it has entered
into a collaboration agreement with Dow Water & Process Solutions (DW&PS), a business unit of The
Dow Chemical Company (NYSE:DOW), to use Ahlstrom's Disruptor(R) technology in drinking water
applications. Ahlstrom Disruptor(R) is a unique nanoalumina technology designed for a wide range
of water filtration applications.

Ahlstrom's fiber-based materials match the global megatrends, such as environmental awareness,
resource scarcity and urbanization. As a response to the need for clean water, Ahlstrom has
developed the Disruptor(R) technology that can be used in removing a wide range of tiny
contaminants from water. DW&PS will incorporate Ahlstrom's high performance, break-through
Disruptor(R) filter medium into a new set of drinking water purification products that provide
excellent pathogen rejection while operating at high flow and low pressure.

"One of the key goals in our product development is to create products that purify air and liquids
in a sustainable way. We are excited about the opportunity to work with Dow since we see a wealth
of opportunities for providing pure water solutions through combining our expertise with Dow's
industry-leading product offering," says Fulvio Capussotti, Executive Vice President, Advanced
Filtration, Ahlstrom.  

Ahlstrom Disruptor(R) virtually removes microorganisms that can cause sickness. Its unique
combination of large pore size and very high electrical attraction potential enable efficient
removal of virus-sized particles at a high flow rate at very low pressure. Ahlstrom Disruptor(R)
can be utilized in a number of drinking water applications, such as under-the-sink purification,
tap water filters and water pitcher filters. It can be used in areas with no electricity, it
requires no use of chemicals, and does not generate waste water.

"Global trends such as population growth and urbanization put pressure on already strained water
sources," said Snehal Desai, global business director for DW&PS. "We see a real need for new
innovations to expand access to clean safe drinking water in an easy, effective and sustainable
way. Our collaboration with Ahlstrom extends our product offering to people who need effective
water treatment but may not have access to pumps or electricity."

For more information, please contact:
Liisa Nyyssönen
Vice President, Communications
Tel. +358 10 888 4757

Ahlstrom in brief
Ahlstrom is a high performance fiber-based materials company, partnering with leading businesses
around the world to help them stay ahead. Our products are used in a large variety of everyday
applications, such as filters, medical gowns and drapes, diagnostics, wallcoverings, flooring and
food packaging. We have a leading market position in the businesses in which we operate. In 2012,
Ahlstrom's net sales from the continuing operations (excluding Label and Processing business)
amounted to EUR 1 billion. Our 3,800 employees serve customers in 28 countries on six continents.
Ahlstrom's share is quoted on the NASDAQ OMX Helsinki. More information available at
www.ahlstrom.com http://www.ahlstrom.com/ . 


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