Financial reporting 2009

Vaisala Oyj will publish three interim reports, in Finnish and in English, in 2009 as follows:

May 8, 2009   Interim report 1.1. - 31.3.2009 (Q1)  
Aug 11, 2009  Interim report 1.1. - 30.6.2009 (Q2)  
Nov 5, 2009  Interim report  1.1. - 30.9.2009 (Q3)  

Silent time
No analyst or investor meetings are arranged during a period of three weeks before the publication of annual financial results.

Annual General Meeting 2009
March 26, 2009  Vanha Nurmijärventie 21, Vantaa

2008 Financial Report
The Financial Report 2008 is published in Finnish and English. The brochure is distributed to all Vaisala shareholders on week 11/2009. 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