Published: 2025-11-06 18:45:08 EET
Wärtsilä - Major shareholder announcements

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

Wärtsilä Corporation, flagging notification, 6 November 2025 at 18:45 EET

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 holding in shares and voting rights, excluding financial
instruments according to SMA 9:6a, on 5 November 2025. Following the
transaction, BlackRock, Inc. owns 4.98% of Wärtsilä's shares and voting rights,
while its total holding in Wärtsilä Corporation corresponds to 5.13%

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          4.98%        0.15%      5.13%             591,723,390
situation on the
date on
which threshold
was crossed or
reached
Position of        5.00%        0.15%      5.15%
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
of shares     shares and                shares
              voting                    and
              rights                    voting
                                        rights
              Direct     Indirect (SMA  Direct  Indirect (SMA 9:6 and 9:7)
              (SMA 9:5)  9:6 and 9:7)   (SMA
                                        9:5)
FI0009003727                29,470,163                               4.98%
SUBTOTAL A                  29,470,163                               4.98%

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        128        0.00%
Depositary
Receipt
(US9365441057)
Securities      N/A         N/A         Physical    568,137        0.09%
Lent
CFD             N/A         N/A         Cash        320,212        0.05%
                                        SUBTOTAL B  888,477        0.15%