Ahlstrom-Munksjö Oyj - Changes in company's own shares

AHLSTROM-MUNKSJÖ OYJ: SHARE REPURCHASE 31.5.2017

Ahlstrom-Munksjö   Oyj               ANNOUNCEMENT                31.5.2017

AHLSTROM-MUNKSJÖ   OYJ: SHARE REPURCHASE 31.5.2017

In the Helsinki Stock   Exchange

Trade date                           31.5.2017
Bourse trade                         Buy
Share                                AM1
Amount                               15 000         Shares
Average price/ share                 19,9664        EUR
Total cost                           299 496,00     EUR

Ahlstrom-Munksjö   Oyj now holds a total of 268 862 shares
including   the shares repurchased on 31.5.2017

On behalf of Ahlstrom-Munksjö   Oyj

Nordea   Bank AB (publ), Finnish Branch

Janne Sarvikivi                      Julius Summanen

For   more information, please contact:
Juho   Erkheikki, Investor & Media Relations Manager, Ahlstrom-Munksjö Oyj
juho.erkheikki@ahlstrom-munksjo.com
tel. +358 50 413 45 83

www.ahlstrom-munksjo.com

Attachments:

05310700.pdf