Vaisala - Changes in company's own shares

Vaisala Oyj: SHARE REPURCHASE 22.5.2015

VAISALA CORPORATION     STOCK EXCHANGE ANNOUNCEMENT    22.5.2015


SHARE REPURCHASE 22.5.2015

In the Helsinki Stock Exchange



Trade date           22.5.2015

Bourse trade         BUY

Share                VAIAS

Amount               855       shares

Total cost           20 258,60 EUR

Average price/ share 23,6943   EUR

Highest price/ share 23,72     EUR

Lowest price/ share  23,66     EUR


Vaisala Corporation now holds a total of 50 222 shares
including the shares repurchased on 22.5.2015.


On behalf of Vaisala Corporation

NORDEA BANK FINLAND PLC

Janne Sarvikivi         Julius Summanen

[HUG#1923615]