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

Wärtsilä Corporation, Flagging notifications 22 December 2010 at 11:00 UTC+2

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.