Wärtsilä Oyj Abp

Major Shareholding Notification • May 28, 2025

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

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

Wärtsilä Corporation, flagging notification, 28 May 2025 at 18:30 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 above the
5% disclosure limit on holding in shares and voting rights, excluding financial
instruments according to SMA 9:6a, on 27 May 2025. Following the transaction,
BlackRock, Inc. owns 5.10% of Wärtsilä's shares and voting rights, while its
total holding in Wärtsilä Corporation corresponds to 5.39%.

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 5.10% 0.29% 5.39% 591,723,390
situation on the
date on
which threshold
was crossed or
reached
Position of 4.98% 0.29% 5.28%
previous
notification
(if applicable)

Notified details of the resulting situation on the date on which the threshold
was crossed or reached:
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 30,194,936 5.10%
SUBTOTAL A 30,194,936 5.10%

B: Financial instruments according to SMA 9:6a

Type of Expiration Exercise / Physical Number of % of shares
financial date Conversion or shares and voting
instrument Period cash and rights
settlement voting
rights
American N/A N/A Physical 98 0.00%
Depositary
Receipt
(US9365441057)
CFD N/A N/A Cash 1,745,416 0.29%
SUBTOTAL B 1,745,514 0.29%