Correction to Wärtsilä´s Interim report January-September 2012

Wärtsilä Corporation, Stock exchange release, 17 October 2012 at 13:30 UTC+2

The third quarter EBITA figure as well as the comparison figure is incorrectly reported in the interim report. The correct figure is EUR 122 million (99) or 11.2% of net sales (11.6). The intangible asset amortisation related to acquisitions was EUR 8 million during the third quarter (5).

Enclosed the corrected Interim report Q3 2012.

Wärtsilä Corporation