Vaisala - Changes in company's own shares

Vaisala Oyj: SHARE REPURCHASE 18.5.2015

VAISALA CORPORATION     STOCK EXCHANGE ANNOUNCEMENT    18.5.2015


SHARE REPURCHASE 18.5.2015

In the Helsinki Stock Exchange


Trade date           18.5.2015

Bourse trade         BUY

Share                VAIAS

Amount               1 655     shares

Total cost           39 726,95 EUR

Average price/ share 24,0042   EUR

Highest price/ share 24,04     EUR

Lowest price/ share  23,90     EUR


Vaisala Corporation now holds a total of 48 167 shares
including the shares repurchased on 18.5.2015.


On behalf of Vaisala Corporation

NORDEA BANK FINLAND PLC

Janne Sarvikivi         Julius Summanen

[HUG#1922244]