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 September 15, 2023, 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 September 14, 2023, BlackRock's holding in Metso's shares fell below the 5
percent threshold and amounted to 40,924,086 shares or 4.93 percent of total
shares and votes. BlackRock's holding through financial instruments in Metso
amounted to 1,669,146 shares, which corresponds to 0.20 percent of the total
amount of Metso's shares. On September 14, 2023, BlackRock's total position
amounted to 42,593,232 or 5.13 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          4.93%               0.20%                  5.13%
situation on the
date on
which threshold
was crossed or
reached
Position of        5.06%               0.21%                  5.27%
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                               40,924,086                4.93%
SUBTOTAL A             40,924,086                        4.93%
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  and
voting
                                 Period      settlement    voting      rights
                                                           rights
American Depositary     N/A         N/A        Physical    2,051          0.00%
Receipt
(US5926721094)
Securities Lent         N/A         N/A        Physical     1,460,586     0.17%
CFD                     N/A         N/A          Cash      206,509        0.02%
                                              SUBTOTAL B   1,669,146      0.20%

Metso Corporation


Distribution:

Nasdaq Helsinki Ltd

Main media

www.mogroup.com

Metso is a frontrunner in providing sustainable technologies, end-to-end
solutions and services for the aggregates, minerals processing and metals
refining industries globally. By helping our customers increase their
productivity, improve their energy and water efficiency and environmental
performance with our process and product expertise, we are the partner for
positive change.

Headquartered in Helsinki, Finland, Metso employs over 16,000 people in close to
50 countries and sales for 2022 were about EUR 5.3 billion. The company is
listed on the Nasdaq Helsinki. metso.com (https://www.metso.com/),
twitter.com/metsoofficial