Vaisala Oyj — Director's Dealing 2019

May 3, 2019

Disclosure 371525

Vaisala - Managers' transactions

Vaisala Corporation: Managers’ Transactions - Torstila, Pertti

Vaisala Corporation

Managers’ Transactions

May 3, 2019 at 2:30 p.m. (EEST)

Vaisala Corporation: Managers’ Transactions - Torstila, Pertti

Person subject to the notification requirement

Name: Torstila, Pertti

Position: Member of the Board/Deputy member

Issuer: Vaisala Oyj

LEI: 743700RNDD7KU11HW873

Notification type: INITIAL NOTIFICATION

Reference number: 743700RNDD7KU11HW873_20190503094728_2

____________________________________________

Transaction date: 2019-04-30

Venue: NASDAQ HELSINKI LTD (XHEL)

Instrument type: SHARE

ISIN: FI0009900682

Nature of the transaction: RECEIPT OF A SHARE-BASED INCENTIVE OR REMUNERATION

Transaction details

(1): Volume: 720 Unit price:

Aggregated transactions

(1): Volume: 720 Volume weighted average price:

**More 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 1,850 professionals worldwide and is listed on the Nasdaq Helsinki stock exchange. www.vaisala.com www.twitter.com/VaisalaGroup