Wärtsilä - Interim report (Q1 and Q3)

Wärtsilä's Interim Report January-September 2011 to be published 19 October 2011 at 8.30 a.m. local time

Wärtsilä Corporation Financial Calendar 5 October 2011 at 10 a.m. EET

Wärtsilä Corporation will publish its interim report for the period January-
September 2011 on Wednesday 19 October 2011 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, Wednesday 19
October 2011, at 10.45 a.m. Finnish time (8.45 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/cfrvmw0h/.

To participate in the teleconference please register at the following address:
http://www.yourconferencecentre.com/r.aspx?p=1&a=DRjQeElqqoXIHD.
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: Wärtsilä Interim Report Q3 2011. 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

[HUG#1552259]