Notification in accordance with the Finnish Securities Market Act Chapter 9 § 5: BlackRock, Inc.'s holding in Wärtsilä Corporation

Wärtsilä Corporation, flagging notification, 15 November 2023 at 16:00 EET

Notification in accordance with the Finnish Securities Market Act Chapter 9 § 5:
BlackRock, Inc.'s holding in Wärtsilä Corporation
BlackRock, Inc. has informed Wärtsilä Corporation that it has crossed above the
5% disclosure limit on total holding in shares and voting rights on 14 November
2023. Following the transaction, BlackRock, Inc. owns 5.02% of Wärtsilä's shares
and voting rights, while its total holding in Wärtsilä Corporation corresponds
to 5.25%.

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          5.02%        0.22%      5.25%             591,723,390
situation on the
date on
which threshold
was crossed or
reached
Position of        4.98%        0.18%      5.17%
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                29,763,171                               5.02%
SUBTOTAL A                  29,763,171                               5.02%

B: Financial instruments according to SMA 9:6a

Type of     Expiration  Exercise /  Physical or  Number of shares   % of shares
financial   date        Conversion  cash         and voting rights  and voting
instrument              Period      settlement                      rights
Securities  N/A         N/A         Physical               777,898        0.13%
Lent
CFD         N/A         N/A         Cash                   525,871        0.08%
                                    SUBTOTAL B           1,303,769        0.22%