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