Vaisala - Company Announcement

Vaisala's January - March Results Published on May 4, 2012

Vaisala Corporation Stock Exchange Release 27.4.2012 at 2:00 p.m.


Vaisala publishes its Q1/2012 results on Friday, May 4, 2012 at 9:00 a.m. The
stock exchange release will be available on the company website at
www.vaisala.com. CEO's presentation will be published at 12:00 (GMT +2) on the
same day at 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 12:00 a.m. Please
register to the briefing by email to liisa.ahtiluoto@vaisala.com.

Audiocast
A live audiocast of the presentation of Kjell Forsén, President and CEO, will be
sent starting at 12:00 a.m. (GMT +2). The audiocast will be available at
www.vaisala.com/investors. It will be recorded and published at 2:00 p.m. (GMT
+2) on the same day at the same address.


More information: Liisa Ahtiluoto, Communications Manager, tel. +358 40 730 7695


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Vaisala is a global leader in environmental and industrial measurement. Building
on 75 years of experience, Vaisala contributes to a better quality of life by
providing a comprehensive range of innovative observation and measurement
products and services for chosen weather-related and industrial markets.
Headquartered in Finland, Vaisala employs approximately 1400 professionals
worldwide and is listed on the NASDAQ OMX Helsinki stock exchange.
www.vaisala.com



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