Vaisala - Changes in company's own shares

Vaisala Oyj: SHARE REPURCHASE 12.5.2015

VAISALA CORPORATION     STOCK EXCHANGE ANNOUNCEMENT    12.5.2015


SHARE REPURCHASE 12.5.2015

In the Helsinki Stock Exchange



Trade date           12.5.2015

Bourse trade         BUY

Share                VAIAS

Amount               1 046     shares

Total cost           25 507,76 EUR

Average price/ share 24,3860   EUR

Highest price/ share 24,39     EUR

Lowest price/ share  24,30     EUR


Vaisala Corporation now holds a total of 45 570 shares
including the shares repurchased on 12.5.2015.


On behalf of Vaisala Corporation

NORDEA BANK FINLAND PLC

Janne Sarvikivi         Julius Summanen

[HUG#1921143]