Ahlstrom Corporation STOCK EXCHANGE RELEASE September 26, 2014 at 11.50 Ahlstrom's financial information in 2015 Ahlstrom will publish its financial information in 2015 as follows: Report Publication date Financial statements bulletin 2014 Thursday, January 29 Interim report January - March Tuesday, April 28 Interim report January - June Thursday, August 6 Interim report January - September Wednesday, October 28 The financial statements 2014 including the report of operations will be available in a PDF format on Ahlstrom's web site on the week starting March 2, 2015. Ahlstrom's Annual General Meeting is planned to be held on Thursday, March 26, 2015 at 1 p.m. at the Finlandia Hall (Mannerheimintie 13 e, Helsinki). Ahlstrom's Board of Directors will convene the AGM. For more information, please contact: Liisa Nyyssönen VP, 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#1858511]