Decisions by the Shareholders’ Meeting of the merged Ahlstrom Corporation

AHLSTROM-MUNKSJÖ OYJ, STOCK EXCHANGE RELEASE JUNE 6, 2017 at 13:15 CEST The Shareholders’ Meeting of the merged Ahlstrom Corporation was held in Helsinki today. The Shareholders’ Meeting adopted the Financial Statements for 2016 and for the period January 1-March 31, 2017 (Final Accounts). The Shareholders’ Meeting also discharged Ahlstrom Corporation’s former members of the Board of Directors and the President and CEO from liability. Ahlstrom Corporation was merged into Ahlstrom-Munksjö Oyj on April 1, 2017. Helsinki, June 6, 2017 AHLSTROM CORPORATION Board of Directors For further information, please contact:

Juho Erkheikki, Investor & Media Relations Manager, tel. +358 50 413 45 83, juho.erkheikki@ahlstrom-munksjo.com

Ahlstrom-Munksjö in brief Ahlstrom-Munksjö is a global leader in fiber-based materials, supplying innovative and sustainable solutions to customers worldwide. Our offerings include decor paper, filter media, release liners, abrasive backings, nonwovens, electrotechnical paper, glass fiber materials, food packaging and labeling, tape, medical fiber materials and solutions for diagnostics. Combined annual net sales are about EUR 2.15 billion and we employ 6,000 people. The Ahlstrom-Munksjö share is listed on the Nasdaq Helsinki and Stockholm. The company was formed on April 1, 2017 through the merger of Ahlstrom Corporation and Munksjö Oyj. Read more at www.ahlstrom-munksjo.com.