Vaisala Oyj

Report Publication Announcement • Dec 19, 2014

Disclosure 320273

Vaisala - Financial Calendar

Vaisala's Financial Reporting and Annual General Meeting in 2015

Vaisala Corporation Stock Exchange Release December 19, 2014 at 9:00 a.m. Vaisala's Financial Reporting and Annual General Meeting in 2015 Vaisala Corporation will publish its Financial Statement Release and three Interim Reports in 2015 as follows: - February 12, 2015: Financial Statement Release for 2014 - April 28, 2015: Interim Report for January-March 2015 - July 23, 2015: Interim Report for January-June 2015 - October 27, 2015: Interim Report for January-September 2015 Vaisala will also publish a Financial Review for 2014. This report will be available in English and Finnish and can be downloaded as a pdf file and ordered as a printed copy at www.vaisala.com the week starting March 2, 2015. Annual General Meeting Vaisala Corporation's Annual General Meeting is scheduled for Tuesday, March 31, 2015. The Board of Directors of the company will convene the meeting. More information: Maarit Mikkonen, Investor Relations Manager Mobile +358 40 562 2282 Vaisala Corporation Distribution: NASDAQ OMX Helsinki Key media www.vaisala.com Vaisala is a global leader in environmental and industrial measurement. Building on 78 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 1,600 professionals worldwide and is listed on the NASDAQ OMX Helsinki stock exchange. www.vaisala.com www.twitter.com/VaisalaGroup [HUG#1881935]