Wärtsilä’s Interim Report January-March 2012 to be published 20 April 2012 at 8.30 a.m. local time

Wärtsilä Corporation, Stock exchange release 10 April 2012 at 17:00 UTC+2

Wärtsilä Corporation will publish its Interim Report for the period January-March 2012 on Friday 20 April 2012 at 8.30 a.m. Finnish time. The interim report will be available on the company website at www.wartsila.com after publishing.

An analyst and press conference will be held on the same date, Friday 20 April 2012, at 10.00 a.m. Finnish time (8.00 a.m. UK time), at the Wärtsilä headquarters in Helsinki, Finland. The combined web- and teleconference will be held in English and can be viewed on the internet at the following address: http://storm.zoomvisionmamato.com/player/wartsila/objects/wpv7dztb/ .

To participate in the teleconference please register at the following address: http://www.yourconferencecentre.com/r.aspx?p=1&a=DImwrHYMdWeikT .
You will receive dial-in details by e-mail once you have registered. If you want to ask questions during the teleconference, press the *-button followed by the 1-button on your phone to register for a question and the # -key to withdraw a question. The event name is: Q1 Results 2012. Please be ready to state your details and the name of the conference to the operator. If problems occur, please press the *-button followed by the 0-button.

An on-demand version of the webcast will be available on the company website later the same day.

www.wartsila.com