Vaisala - Changes in company's own shares

Vaisala Oyj: SHARE REPURCHASE 20.5.2016

VAISALA CORPORATION     STOCK EXCHANGE ANNOUNCEMENT       20.5.2016


SHARE REPURCHASE 20.5.2016

In the Helsinki Stock Exchange


Trade date           20.5.2016

Bourse trade         BUY

Share                VAIAS

Amount               1.660     shares

Total cost           42.303,94 EUR

Average price/ share 25,4843   EUR

Highest price/ share 25,50     EUR

Lowest price/ share  25,40     EUR


Vaisala Corporation now holds a total of 211 159 shares
including the shares repurchased on 20.5.2016.


On behalf of Vaisala Corporation

NORDEA BANK FINLAND PLC

Janne Sarvikivi         Julius Summanen

[HUG#2014348]