Ahlstrom Corporation STOCK EXCHANGE RELEASE July 29, 2014 at 14.30 Ahlstrom to publish January-June 2014 interim report on August 6, 2014 Ahlstrom will publish its January-June 2014 interim report on Wednesday, August 6, 2014, approximately at 8:30 Finnish time (CET +1). Ahlstrom's President & CEO Marco Levi and CFO Sakari Ahdekivi will present the report at an analyst and press conference in Helsinki on Wednesday, August 6 at 10:00 a.m. Finnish time. The conference will take place at Ahlstrom's head office, Alvar Aallon katu 3 C, second floor, Antti meeting room. (Parking: Q- Park Finlandia, Karamzininranta 2.) In addition, CEO Levi and CFO Ahdekivi will hold a conference call on the same day at 2:30 p.m. Finnish time. To participate in the teleconference, please dial +358 (0)9 2310 1620 in Finland or +44 (0)20 7784 1036 outside Finland a few minutes before the conference begins. The confirmation code is 5387153. The event can also be viewed as a live audio cast at www.ahlstrom.com. Registration is required. It is possible to participate in the Q & A session online. An on-demand audio cast of the conference will be available on Ahlstrom's website for twelve months after the call. The presentation material will be available at www.ahlstrom.com > Investors > Reports and presentations > 2014 after the report has been published. For more information, please contact: Juho Erkheikki Manager, Financial Communications & Investor Relations Tel. +358 10 888 4731 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#1841730]