Vaisala's Interim Report January–March 2019 to be published on April 24, 2019 Published: Apr 9, 2019 Press Releases Vaisala Corporation Press Release April 9, 2019 at 3:30 p.m. (EEST) Vaisala's Interim Report January–March 2019 to be published on April 24, 2019 Vaisala Corporation will publish its Interim Report January–March 2019 on Wednesday, April 24, 2019 at about 2:00 p.m. (Finnish time). The report will be available at www.vaisala.com/investors. The President and CEO's presentation will be published by 4:00 p.m. on the same day at www.vaisala.com/investors. Briefing and conference call Briefing for analysts, investors and media, combined with an English-language conference call will be arranged in Hotel Kämp, Paavo Nurmi meeting room, Pohjoisesplanadi 29, Helsinki, starting at 4:00 p.m. (Finnish time). Numbers for conference call, during which questions may be presented, are: Finland: +358 9 8171 0310 UK: +44 33 3300 0804 Sweden: +46 8 5664 2651 US: +1 63 1913 1422 PIN: 59140657# Audiocast The presentation by Kjell Forsén, President and CEO, can also be followed through a live audiocast at www.vaisala.com/investors starting at 4:00 p.m. A recording will be published at the same address by 6:00 p.m. More information Paula Liimatta, Business Controller and Head of Investor Relations Tel. +358 40 580 3521 Distribution Key media www.vaisala.com Vaisala is a global leader in environmental and industrial measurement. Building on over 80 years of experience, Vaisala provides observations for a better world. We are a reliable partner for customers around the world, offering a comprehensive range of innovative observation and measurement products and services. Headquartered in Finland, Vaisala employs approximately 1,850 professionals worldwide and is listed on the Nasdaq Helsinki stock exchange. www.vaisala.com www.twitter.com/VaisalaGroup