Wärtsilä - Company Announcement

Notification in accordance with the Finnish Securities Market Act Chapter 2 § 9: Investor AB increased holding in Wärtsilä Corporation

Wärtsilä Corporation Company announcement 27 April 2012 at 11 am EET

Wärtsilä has been informed that Investor AB through its subsidiary Aktiebolaget
Navigare purchased 1,974,000 Wärtsilä shares on 26 April 2012. The joint
ownership of Fiskars Group and Investor AB now exceeds 1/5 (20%) of the
company's votes. Following the transaction Fiskars Group and Investor AB
together own 40,317,168 shares or 20.44% of Wärtsilä's share capital and votes.


[HUG#1606758]