Wärtsilä - Company Announcement

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

Wärtsilä Corporation Company Announcement 22 December 2010 at 9.00 EET

BlackRock, Inc. has informed Wärtsilä Corporation that it has sold Wärtsilä
shares on 20 December 2010 and now owns less than one twentieth (1/20) of the
company's votes. Following the transaction BlackRock Inc. owns 4,898,350 shares
or 4.97% of Wärtsilä's share capital and total votes.



[HUG#1474943]