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 September 29, 2023, at 4:30 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 27, 2023, BlackRock's holding in Metso's shares amounted to
40,586,093 shares or 4.89 percent of total shares and votes. BlackRock's holding
through financial instruments in Metso amounted to 1,003,807 shares, which
corresponds to 0.12 percent of the total amount of Metso's shares. As a result,
BlackRock's total position amounted to 41,589,900 or 5.01 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          4.89%               0.12%                   5.01%
situation on the
date on
which threshold
was crossed or
reached
Position of        Below          Below 5% shares         Below 5% shares
previous            5%
notification      shares

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                               40,586,093                4.89%
SUBTOTAL A             40,586,093                        4.89%
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    2,051          0.00%
Receipt
(US5926721094)
Securities Lent         N/A         N/A        Physical     792,991       0.09%
CFD                     N/A         N/A          Cash      208,765        0.02%
                                              SUBTOTAL B   1,003,807      0.12%

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 Espoo, 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