Vaisala Oyj

Director's Dealing • Oct 26, 2017

Disclosure 355788

Vaisala - Managers' transactions

Vaisala Corporation: Managers' Transactions - Forsén, Kjell

Vaisala Corporation Managers' Transactions October 26, 2017 at 9:00 a.m. Vaisala Corporation: Managers' Transactions - Forsén, Kjell Person subject to the notification requirement Name: Forsén, Kjell Position: Chief Executive Officer Issuer: Vaisala Oyj LEI: 743700RNDD7KU11HW873 Notification type: INITIAL NOTIFICATION Reference number: 743700RNDD7KU11HW873_20171025150324_2 ____________________________________________ Transaction date: 2017-10-24 Venue: NASDAQ HELSINKI LTD (XHEL) Instrument type: SHARE ISIN: FI0009900682 Nature of the transaction: DISPOSAL Transaction Details (1): Volume: 1000 Unit price: 46.00000 EUR Aggregated transactions (1): Volume: 1000 Volume weighted average price: 46.00000 EUR Further information Kaarina Muurinen, CFO Tel. +358 40 577 5066 Vaisala Corporation Distribution Nasdaq Helsinki 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 1,600 professionals worldwide and is listed on the Nasdaq Helsinki stock exchange. www.vaisala.com www.twitter.com/VaisalaGroup []