Wärtsilä publishes January-June 2007 interim report on 3 August, 2007, at 8.30 a.m. local time

Wärtsilä Corporation, Stock exchange release 25 July 2007 at 09:00 UTC+2

Wärtsilä Corporation will publish its Interim Report for the period January-June 2007 on Friday 3 August 2007 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 Friday 3 August 2007 starting at 10.45 a.m. Finnish time (8.45 a.m. UK time) at the Wärtsilä headquarters in Helsinki, Finland. To participate in the teleconference and have the possibility to ask questions, please call: +358 9 8248 6642 and enter the PIN-code 657020. To only listen to the teleconference call the same number and enter PIN-code 831966.

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

www.wartsila.com