Vaisala Oyj: SHARE REPURCHASE 17.2.2017 Published: Feb 17, 2017 Stock Exchange Releases VAISALA CORPORATION STOCK EXCHANGE ANNOUNCEMENT 17.2.2017 SHARE REPURCHASE 17.2.2017 In the Helsinki Stock Exchange Trade date 17.2.2017 Bourse trade BUY Share VAIAS Amount 600 shares Average price/share 33,6591 EUR Total Cost 20 195,46 EUR Vaisala Corporation now holds a total of 383 563 shares including the shares repurchased on 17.2.2017. On behalf of Vaisala Corporation NORDEA BANK AB (publ), Finnish Branch Janne Sarvikivi Julius Summanen Vaisala_17.2_trades