Vaisala - Company Announcement

Vaisala's 2009 financial results published on 19 February 2010

Stock exchange release      Vaisala Oyj    12 February 2010 at 11.00 am


Vaisala publishes its 2009 financial results on Friday, 19 February 2010 at
9.00 am (GMT +2). The stock exchange release will be available on the company
website atwww.vaisala.com <http://www.vaisala.com/>. CEO's presentation will be
published at 11.00 am on the same day at www.vaisala.com/investors<http://www.vaisala.com/investors>.

Briefing
Briefing for analysts and media will be arranged in Hotel Kämp, Paavo Nurmi
meeting room, Pohjoisesplanadi 29, Helsinki, starting at 11.00 am. Please
register to the briefing by email to Helena
Marjaranta,helena.marjaranta@vaisala.com <mailto:helena.marjaranta@vaisala.com>.

Webcast
A live webcast of the briefing will start at 11.00 am (GMT +2). The webcast will
be available atwww.vaisala.com/investors/presentations<http://www.vaisala.com/investors/presentations>.  The recorded webcast will be
published at 1.00 pm at the same address .

More information: Helena Marjaranta, Senior Vice President, Communications, tel.
+358 40 581 9102



Distribution:
NASDAQ OMX
Main media



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