Vaisala Oyj

Report Publication Announcement • Oct 3, 2012

Disclosure 302183

Vaisala - Company Announcement

Vaisala reorganizes its operations in Vancouver, Canada

Vaisala Corporation Stock Exchange Release October 3, 2012 at 7:30 p.m. To finalize the integration of the acquired Life Science business to Vaisala and to increase scalability, efficiency and flexibility of global operations, Vaisala is moving the board assembly, final assembly, testing, new product calibration and the related activities from Canada to Malaysia and Finland. As a result of the change, the work of 10 persons in Vancouver will end by June 30, 2013. One-off charges of approximately EUR 400 thousand relating to restructuring activities are expected to be booked by the end of 2012. The estimated annual cost reduction is half a million euros which will be fully realized from 2014 onwards and about half during 2013. Further information Kaarina Muurinen, CFO Tel +358 40 577 5066 Vesa Pylvänäinen, EVP Operations Tel. +358 40 1807 002 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 www.twitter.com/VaisalaGroup Distribution OMX Nordic Exchange Helsinki Main media www.vaisala.com [HUG#1646196]