Ahlstrom-Munksjö Oyj: Managers’ transaction

AHLSTROM-MUNKSJÖ OYJ, MANAGERS’ TRANSACTION RELEASE April 6, 2017 at 19:45 CEST Helsinki, Finland Ahlstrom-Munksjö Oyj: Managers’ transaction Person subject to the notification requirement Name: Aaltonen-Forsell, Pia Alexandra Position: Chief Financial Officer Issuer: Ahlstrom-Munksjö Oyj LEI: 213800F2MJ5Z2TAQ1726 Notification type: INITIAL NOTIFICATION Reference number: 213800F2MJ5Z2TAQ1726_20170405183941_3 ____________________________________________ Transaction date: 2017-04-06 Venue: NASDAQ HELSINKI LTD (XHEL) Instrument type: SHARE ISIN: FI4000048418 Nature of the transaction: RECEIPT OF A SHARE-BASED INCENTIV Transaction Details (1): Volume: 10745 Unit price: 0,00000 EUR Aggregated transactions (1): Volume: 10745 Volume weighted average price: 0.00000 EUR Ahlstrom-Munksjö Oyj For further information, please contact:

Juho Erkheikki, Investor and 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 2.2 billion and we employ 6,200 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.