Ahlstrom Corporation STOCK EXCHANGE RELEASE August 20, 2014 at 16.40 Changes in the Executive Management Team of Ahlstrom Ms. Ulla Bono, 44, Licentiate of Laws with court training, has been appointed Executive Vice President Legal, General Counsel and member of the Executive Management Team as of August 20, 2014. She joined Ahlstrom in January 2014 as Vice President, Legal Affairs, General Counsel at Ahlstrom Corporation. Bono has previously worked at Pöyry Oyj, where she has been holding various legal positions since 2005, latest as General Counsel of Industry Group. Prior to Pöyry, she has worked as Legal Counsel at Ahlstrom during 2001-2005. 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. We aim to grow with a product offering for clean and healthy environment. Our materials are used in everyday applications such as filters, medical fabrics, life science and diagnostics, wallcoverings and food packaging. In 2013, Ahlstrom's net sales from the continuing operations amounted to EUR 1 billion. Our 3,500 employees serve customers in 24 countries. Ahlstrom's share is quoted on the NASDAQ OMX Helsinki. More information available at www.ahlstrom.com. [HUG#1850054]