Wärtsilä Corporation Company Announcement 15 July 2011, at noon (EET) Wärtsilä Corporation revises its prospects for 2011. Wärtsilä expects its net sales for 2011 to decline by 0-5% compared to last year due to weaker than expected marine service markets and the timing of power plant deliveries. Wärtsilä has previously estimated net sales for 2011 to grow by 3-5%. Wärtsilä reiterates its expectation that operational profitability (EBIT% before nonrecurring items) will be around 11%. Wärtsilä's order intake for the second quarter 2011 was solid, increasing by 5% to EUR 1,170 million and by 20% in relation to the previous quarter. Wärtsilä Corporation's Interim Report for the period January-June will be published Wednesday 20th July 2011 at 8.30 a.m. Finnish time. For further information, please contact: Raimo Lind Executive Vice President & CFO Tel: +358 10 709 5640 raimo.lind@wartsila.com [HUG#1531234]