Vaisala Oyj

Report Publication Announcement • Jul 7, 2015

Disclosure 325670

Vaisala - Company Announcement

Vaisala's Interim Report January-June 2015 to be published on July 23, 2015

Vaisala Corporation Stock Exchange Release July 7, 2015 at 9:00 a.m. Vaisala's Interim Report January-June 2015 to be published on July 23, 2015 Vaisala Corporation will publish its Interim Report January-June 2015 on Thursday, July 23, 2015 at about 2:00 p.m (Finnish time). The report will be available at www.vaisala.com. The CEO's presentation will be published at 4:00 p.m. on the same day at www.vaisala.com/investors. Telephone conference An English-language conference call for investors and analysts will be held on the same day at 4:00 p.m. (Finnish time). FI: +358 9 8171 0495 UK: +44 20 3194 0552 SE: +46 8 5664 2702 US: +1 855 716 1597 Audiocast Live audiocast of the presentation by Kjell Forsén, President and CEO will start at 4:00 p.m. and will be available at www.vaisala.com/investors. A recording will be published at the same address at about 6:00 p.m. More information Maarit Mikkonen, Investor Relations Manager, mobile +358 40 562 2282, maarit.mikkonen@vaisala.com Distribution NASDAQ OMX Helsinki Key media www.vaisala.com Vaisala is a global leader in environmental and industrial measurement. Building on 79 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#1935042]