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 15 March 2023. Following the transaction, BlackRock, Inc. owns 5.00% of Wartsila's shares and voting rights, while its total holding in Wartsila Corporation corresponds to 5.07%.

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 	5.00% 	0.07% 	5.07% 	591,723,390
Position of previous notification (if applicable) 	4.96% 	0.08% 	5.04%

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 		29,586,386 		5.00%
SUBTOTAL A 	29,586,386 	5.00%

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
CFD 	N/A 	N/A 	Cash 	444,820 	0.07%
			SUBTOTAL B 	444,820 	0.07%

(C) 2023 Electronic News Publishing, source ENP Newswire