Metsä Board Corporation issues EUR 200 million green unsecured notes

Metsä Board Corporation  Stock Exchange Release  Other information disclosed
according to the rules of the Exchange  21 May 2025 18:30 EEST

NOT FOR RELEASE, PUBLICATION OR DISTRIBUTION, IN WHOLE OR IN PART, DIRECTLY OR
INDIRECTLY, IN OR INTO THE UNITED STATES, AUSTRALIA, CANADA, HONG KONG, JAPAN,
SINGAPORE OR IN OR TO SUCH OTHER COUNTRIES OR OTHERWISE IN SUCH CIRCUMSTANCES IN
WHICH THE OFFERING OF THE NOTES OR THE RELEASE, PUBLICATION OR DISTRIBUTION
WOULD BE UNLAWFUL.

Metsä Board Corporation (”Metsä Board” or the ”Company”) issues senior unsecured
green notes of EUR 200 million (the “Notes”). The maturity of the Notes is six
(6) years, and they mature on 28 May 2031. The Notes carry fixed annual interest
of 3.875 per cent., and the issue price of the Notes is 99.570 per cent. The
Notes were allocated to both Finnish and foreign investors.

”We are delighted with the trust and interest shown by investors in Metsä
Board's first green bond. This arrangement extends the maturity of our financing
and supports our strategy to grow in fibre-based packaging materials and renew
our industrial operations. It also contributes to the achievement of our
ambitious sustainability targets for 2030,” comments Henri Sederholm, CFO of
Metsä Board.

Metsä Board will submit an application to have the Notes listed on the list of
sustainable bonds of Nasdaq Helsinki Ltd.

Metsä Board intends to use the net proceeds of the Notes issue for financing or
refinancing eligible green projects or assets, or otherwise in accordance with
Metsä Group's Green Finance Framework (the “Framework”), established in 2019 and
updated in July of 2024.

Danske Bank A/S and Skandinaviska Enskilda Banken AB (publ) act as joint lead
managers for the issue of the Notes.

METSÄ BOARD CORPORATION

Further information:
Henri Sederholm, CFO, tel. +358 10 465 4913
Katri Sundström, VP, Investor Relations, tel. +358 10 462 0101

Metsä Board
metsagroup.com/metsaboard (http://www.metsagroup.com/metsaboard/)

Metsä Board is a producer of lightweight and high-quality folding boxboards,
food service boards and white kraftliners. The fresh wood fibres we use in our
products are a renewable and recyclable resource, that can be traced back to
Northern European forests. We aim to have completely fossil-free mills and raw
materials by 2030. We promote a culture of diversity, equality and inclusion.

Metsä Board is listed on the Nasdaq Helsinki. In 2024 our sales totalled EUR 1.9
billion, and we have around 2,300 employees. Metsä Board is part of Metsä Group,
whose parent company Metsäliitto Cooperative is owned by over 90,000 Finnish
forest owners.

Follow Metsä Board:
LinkedIn (https://www.linkedin.com/company/metsa
-board/)   Instagram (https://www.instagram.com/metsaboard/?hl=en)
 YouTube (https://www.youtube.com/playlist?list=PLF6CD152EF0DA1E61)

IMPORTANT INFORMATION

The information contained herein is not for release, publication or
distribution, in whole or in part, directly or indirectly, in or into the United
States, Australia, Canada, Hong Kong, Japan, Singapore or such other countries
or otherwise in such circumstances in which the release, publication or
distribution would be unlawful. The information contained herein does not
constitute an offer to sell or the solicitation of an offer to buy, nor shall
there be any sale of, the Notes in any jurisdiction in which such offer,
solicitation or sale would be unlawful prior to registration, exemption from
registration or qualification under the securities laws of any such
jurisdiction.

This communication does not constitute an offer of securities for sale in the
United States. The Notes have not been and will not be registered under the U.S.
Securities Act of 1933, as amended (the “Securities Act”) or under the
applicable securities laws of any state of the United States and may not be
offered or sold, directly or indirectly, within the United States or to, or for
the account or benefit of, U.S. persons except pursuant to an applicable
exemption from, or in a transaction not subject to, the registration
requirements of the Securities Act.

This communication does not constitute an offer of Notes to the public in the
United Kingdom. No prospectus has been or will be approved in the United Kingdom
in respect of the Notes. Consequently, this communication is directed only at
(i) persons who are outside the United Kingdom, (ii) persons who have
professional experience in matters relating to investments falling within
article 19(5) of the Financial Services and Markets Act 2000 (Financial
Promotion) Order 2005 (the “Order”), (iii) high net worth entities falling
within article 49(2)(a) to (d) of the Order, or (iv) other persons to whom it
may be lawfully communicated, falling within article 49(1) of the Order (all
such persons together being referred to as “relevant persons”). Any person who
is not a relevant person should not act or rely on this document or any of its
contents.