Notification in accordance with the Finnish Securities Market Act Chapter 9 § 10: BlackRock, Inc.'s holding in Wärtsilä Corporation

Wärtsilä Corporation, flagging notification, 12 June 2025 at 16:00 EEST

Notification in accordance with the Finnish Securities Market Act Chapter 9 §
10: BlackRock, Inc.'s holding in Wärtsilä Corporation
BlackRock, Inc. has informed Wärtsilä Corporation that it has crossed below the
5% disclosure limit on total holding in shares and voting rights on 11 June
2025.

Total position of BlackRock, Inc. and its funds subject to the notification:

                  % of    % of shares  Total of   Total number of shares
                  shares  and voting   both in %  and voting rights of
                  and     rights                  issuer
                  voting  through
                  rights  financial
                          instruments
Resulting          Below     Below 5%   Below 5%             591,723,390
situation on the      5%
date on
which threshold
was crossed or
reached
Position of        4.92%        0.28%      5.21%
previous
notification
(if applicable)

Notified details of the resulting situation on the date on which the threshold
was crossed:
A: Shares and voting rights

Class / type  Number                 % of
of shares     of                     shares
              shares                 and
              and                    voting
              voting                 rights
              rights
              Direct  Indirect (SMA  Direct  Indirect (SMA 9:6 and 9:7)
              (SMA    9:6 and 9:7)   (SMA
              9:5)                   9:5)
FI0009003727               Below 5%                            Below 5%
SUBTOTAL A                 Below 5%                            Below 5%

B: Financial instruments according to SMA 9:6a

Type of         Expiration  Exercise /  Physical    Number    % of shares
financial       date        Conversion  or          of        and voting
instrument                  Period      cash        shares    rights
                                        settlement  and
                                                    voting
                                                    rights
American        N/A         N/A         Physical    Below 5%     Below 5%
Depositary
Receipt
(US9365441057)
CFD             N/A         N/A         Cash        Below 5%     Below 5%
                                        SUBTOTAL B  Below 5%     Below 5%