Wärtsilä - Company Announcement

Notification in accordance with the Finnish Securities Market Act Chapter 2 § 9: BlackRock, Inc. increased holding in Wärtsilä Corporation

Wärtsilä Corporation Company Announcement 20.12.2010 at 19.35 EET

BlackRock, Inc. has today informed Wärtsilä Corporation that it has purchased
Wärtsilä shares on the 17 December 2010 and now owns over one twentieth (1/20)
of the company's votes. Following the transaction BlackRock Inc. owns 4,941,759
shares or 5.01% of Wärtsilä's share capital and total votes.


[HUG#1474345]