Notification in accordance with the Finnish Securities Market Act Chapter 9 (*) 5: BlackRock, Inc.'s holding in Wartsila Corporation.

BlackRock, Inc. has informed Wartsila Corporation that it has crossed above the 5% disclosure limit on total holding in shares and voting rights on 22 January 2024. Following the transaction, BlackRock, Inc. owns 4.97% of Wartsila's shares and voting rights, while its total holding in Wartsila Corporation corresponds to 5.08%.

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

	% of shares and voting rights 	% of shares and voting rights through financial instruments 	Total of both in % 	Total number of shares and voting rights of issuer
Resulting situation on the date on which threshold was crossed or reached 	4.97% 	0.10% 	5.08% 	591,723,390
Position of previous notification (if applicable) 	Below 5% 	Below 5% 	Below 5%

Notified details of the resulting situation on the date on which the threshold was crossed:

A: Shares and voting rights

Class / type of shares 	Number of shares and voting rights 	% of shares and voting rights
	Direct (SMA 9:5) 	Indirect (SMA 9:6 and 9:7) 	Direct (SMA 9:5) 	Indirect (SMA 9:6 and 9:7)
FI0009003727 		29,464,020 		4.97%
SUBTOTAL A 	29,464,020 	4.97%

B: Financial instruments according to SMA 9:6a

Type of financial instrument 	Expiration date 	Exercise / Conversion Period 	Physical or cash settlement 	Number of shares and voting rights 	% of shares and voting rights
Securities Lent 	N/A 	N/A 	Physical 	21,891 	0.00%
CFD 	N/A 	N/A 	Cash 	590,571 	0.09%
			SUBTOTAL B 	612,462 	0.10%

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