Metso Corporation - Major shareholder announcements

Notification according to chapter 9, section 5 and 6 of the Securities Market Act: BlackRock Inc.'s holding in Metso

Metso Corporation's stock exchange release on April 16, 2024, at 4:45 p.m. EEST

Metso Corporation has received a notification, pursuant to Chapter 9, Section 5
and 6 of the Finnish Securities Markets Act, about a change in the shareholding
of BlackRock, Inc.

On April 15, 2024, BlackRock's holding in Metso's shares fell below the 5
percent threshold and amounted to 41,159,143 shares or 4.96 percent of total
shares and votes. BlackRock's holding through financial instruments in Metso
amounted to 1,032,083 shares, which corresponds to 0.12 percent of the total
amount of Metso's shares. On April 15, 2024, BlackRock's total position amounted
to 42,191,226 or 5.08 percent of Metso's shares and votes. Metso's total number
of shares and voting rights is 828,972,440.
BlackRock, Inc.'s holdings according to the notification:

                  % of     % of shares and voting rights  Total of both
                  shares   through financial instruments  in % (7.A +
                  and      (total of 7.B)                 7.B)
                  voting
                  rights
                  (total
                  of 7.A)
Resulting          4.96%               0.12%                  5.08%
situation on the
date on
which threshold
was crossed or
reached
Position of        5.19%               0.14%                  5.33%
previous
notification

A: Shares and voting
rights
Class/type of          Number of                         % of
shares                 shares and                        shares and
                       voting                            voting
                       rights                            rights
ISIN code              Direct(SMA          Indirect(SMA  Direct(SMA
Indirect(SMA
                       9:5)                9:6 and 9:7)  9:5)        9:6 and
9:7)
FI0009014575                               41,159,143                4.96%
SUBTOTAL A             41,159,143                        4.96%
B: Financial
Instruments according
to SMA 9:6a
Type of financial    Expiration  Exercise/   Physical or   Number of   % of
shares
instrument           date        Conversion  cash          shares      and
voting
                                 Period      settlement    and         rights
                                                           voting
                                                           rights
American Depositary     N/A         N/A        Physical    8,969          0.00%
Receipt
(US5926721094)
Securities Lent         N/A         N/A        Physical    1,023,114      0.12%
                                              SUBTOTAL B   1,032,083      0.12%

Further information:

Juha Rouhiainen, Vice President, Investor Relations, Metso Corporation, tel.
+358 20 484 3253, email: juha.rouhiainen(a)metso.com


Distribution:


Nasdaq Helsinki Ltd

Main media

www.metso.com

Metso is a frontrunner in sustainable technologies, end-to-end solutions and
services for the aggregates, minerals processing and metals refining industries
globally. We improve our customers' energy and water efficiency, increase their
productivity, and reduce environmental risks with our product and service
expertise. We are the partner for positive change.

Headquartered in Espoo, Finland, Metso employs over 17,000 people in close to 50
countries and sales for 2023 were about EUR 5.4 billion. The company is listed
on the Nasdaq Helsinki. metso.com, x.com/metsoofficial