Stora Enso Oyj - Major shareholder announcements

Stora Enso Oyj: Notification of Change in Holdings according to Chapter 9, Section 10 of the Finnish Securities Markets Act (12 April 2024)

STORA ENSO OYJ STOCK EXCHANGE RELEASE 16 April 2024 at 9:00 EEST

Stora Enso Oyj has received a notificationpursuant to chapter 9, section 5 of
the Securities Market Act fromBlackRock, Inc on 15 April 2024.

On 12 April 2024, BlackRock's total holding, including holding through financial
instruments, in Stora Enso's shares increased above the 5 percent threshold.

+----------------+--------------+-----------------------------+---------------+
|                |% of shares   |% of shares and voting rights|Total of both  |
|                |and voting    |through financial instruments|in % (7.A +    |
|                |rights        |(total of 7.B)               |7.B)           |
|                |(total of 7.A)|                             |               |
+----------------+--------------+-----------------------------+---------------+
|Resulting       |4.87%shares   |0.17% shares                 |5.05% shares   |
|situation on the|              |                             |               |
|date on         |Below 5%      |Below 5% voting rights       |Below 5% voting|
|which threshold |voting rights |                             |rights         |
|was crossed or  |              |                             |               |
|reached         |              |                             |               |
+----------------+--------------+-----------------------------+---------------+
|Position of     |Below 5%      |Below 5% shares              |Below 5% shares|
|previous        |shares        |                             |               |
|notification    |              |Below 5% voting rights       |Below 5% voting|
|(if applicable) |Below 5%      |                             |rights         |
|                |voting rights |                             |               |
+----------------+--------------+-----------------------------+---------------+

+------------+--------+----------+-----------------+----------------------+
|A: Shares                                                                |
|and voting                                                               |
|rights                                                                   |
+------------+--------+----------+-----------------+----------------------+
|Class/type  |Number of          |% of shares and voting rights           |
|of          |shares and         |                                        |
|shares      |voting             |                                        |
|            |rights             |                                        |
+------------+--------+----------+-----------------+----------------------+
|Direct      |Indirect|Direct    |Indirect         |
|            |        |          |                 |
|(SMA 9:5)   |(SMA 9:6|(SMA 9:5) |(SMA 9:6 and 9:7)|
|            |and 9:7)|          |                 |
+------------+--------+----------+-----------------+----------------------+
|FI0009005961|        |38,474,040|                 |4.87% shares          |
|            |        |shares    |                 |                      |
|            |        |          |                 |Below 5% voting rights|
|            |        |Below 5%  |                 |                      |
|            |        |voting    |                 |                      |
|            |        |rights    |                 |                      |
+------------+--------+----------+-----------------+----------------------+
|SUBTOTAL A  |38,474,040         |4.87% shares                            |
|            |shares             |                                        |
|            |                   |Below 5% voting rights                  |
|            |Below 5%           |                                        |
|            |voting             |                                        |
|            |rights             |                                        |
+------------+--------+----------+-----------------+----------------------+

B: Financial
Instruments
according
to SMA 9:6a
Type of         Expiration  Exercise/   Physical    Number of  % of shares
financial       date        Conversion  or          shares     and voting
instrument                  Period      cash        and        rights
                                        settlement  voting
                                                    rights
American        N/A         N/A         Physical    464,610    0.05% shares
Depositary                                          shares
Receipt                                                        Below 5%
(US86210M1062)                                      Below 5%   voting rights
                                                    voting
                                                    rights
Securities      N/A         N/A         Physical    860,000    0.10% shares
Lent                                                shares
                                                               Below 5%
                                                    Below 5%   voting rights
                                                    voting
                                                    rights
CFD             N/A         N/A         Cash        79,000     0.01% shares
                                                    shares
                                                               Below 5%
                                                    Below 5%   voting rights
                                                    voting
                                                    rights
                                        SUBTOTAL B  1,403,610  0.17% shares
                                                    shares
                                                               Below 5%
                                                    Below 5%   voting rights
                                                    voting
                                                    rights

Stora Enso has two series of shares. Each A share and every ten R shares carry
one vote. Stora Enso has 175,979,614 A shares and 612,640,373 R shares in issue.
The company does not hold its own shares. The total number of Stora Enso shares
is 788,619,987 and the total number votes at least 237,243,651.

Full chain of controlled undertakings through which the voting rights and
financial instruments are effectively held starting with the ultimate
controlling natural person or legal entity is presented in the enclosed annex.

Investor enquiries:
Anna-Lena Åström
SVP Investor Relations
tel. +46 70 210 7691
Part of the global bioeconomy, Stora Enso is a leading provider of renewable
products in packaging, biomaterials and wooden construction, and one of the
largest private forest owners in the world. We create value with our low-carbon
and recyclable fiber-based products, through which we support our customers in
meeting the demand for renewable sustainable products. Stora Enso has
approximately 20,000 employees and our sales in 2023 were EUR 9.4 billion. Stora
Enso shares are listed on Nasdaq Helsinki Oy (STEAV, STERV) and Nasdaq Stockholm
AB (STE A, STE R). In addition, the shares are traded in OTC Markets (OTCQX) in
the USA as ADRs and ordinary shares (SEOAY, SEOFF, SEOJF).
storaenso.com/investors
STORA ENSO OYJ

Investor enquiries:
Anna-Lena Åström
SVP Investor Relations
tel. +46 70 210 7691

Attachments:

Annex_Black_Rock_240412.pdf