Financial reporting 2010

Vaisala Oyj will publish three interim reports, in Finnish and in English, in 2010 as follows:

May 11, 2010

Interim report 1.1. - 31.3.2010 (Q1)

Aug 11, 2010

Interim report 1.1. - 30.6.2010 (Q2)

Nov 5, 2010

Interim report 1.1. - 30.9.2010 (Q3)

Silent time
Vaisala observes a silent period which starts at the end of the reporting quarter and ends to the publication of the respective quarterly or annual results. During this time, Vaisala does not comment on the company’s financial situation, markets or future outlook.

Annual General Meeting 2010
March 25, 2010, at Science center Heureka

2009 Financial Report
The Financial Report 2009 is published in Finnish and English. The brochure is distributed to all Vaisala shareholders on week 10/2010. The company's interim reports as well as other stock exchange releases and press releases are available on the Vaisala website at http://www.vaisala.com/.

Financial reports can be ordered from:
Vaisala Oyj
Corporate Communications
P.o.Box 26, 00421 Helsinki, Finland
or by e-mail: info@vaisala.com