Ahlstrom-Munksjö to be delisted from Nasdaq Stockholm with last day of trading on May 31, 2021

AHLSTROM-MUNKSJÖ OYJ        STOCK EXCHANGE RELEASE    April 16, 2021 at
15:50 EEST
As previously communicated by Ahlstrom-Munksjö Oyj (“Ahlstrom-Munksjö”) by way
of a stock exchange release published on March 26, 2021, the Board of Directors
of Ahlstrom-Munksjö has resolved to apply for the termination of public trading
in the shares of Ahlstrom-Munksjö and for the delisting of its shares from the
main market of Nasdaq Stockholm AB (“Nasdaq Stockholm”). Today, Nasdaq Stockholm
has approved the application and resolved that the last day of trading in
Ahlstrom-Munksjö’s shares at Nasdaq Stockholm will be May 31, 2021.

After the delisting from Nasdaq Stockholm, the Ahlstrom-Munksjö shares will
continue to be traded on the official list of Nasdaq Helsinki Ltd (“Nasdaq
Helsinki”). The delisting from Nasdaq Helsinki is expected to occur as soon as
possible upon Spa Holdings 3 Oy having gained title to all the shares in
Ahlstrom-Munksjö in the pending redemption proceedings under Chapter 18 of the
Finnish Companies Act.

Further information:

Johan Lindh, Vice President, Communications and Investor Relations, +358 10 888
4994, johan.lindh@ahlstrom-munksjo.com

Juho Erkheikki, Investor Relations Manager, +358 10 888 4731,
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 its customers. Our mission is to expand
the role of fiber-based solutions for sustainable everyday life. Our offering
includes filter materials, release liners, food and beverage processing
materials, decor papers, abrasive and tape backings, electrotechnical paper,
glass fiber materials, medical fiber materials, diagnostics and energy storage
solutions, as well as a range of specialty papers for industrial and consumer
end-uses. Our annual net sales is about EUR 2.7 billion and we employ some 7,800
people. Read more at www.ahlstrom-munksjo.com