Vaisala Oyj: SHARE REPURCHASE 20.2.2017 Published: Feb 20, 2017 Stock Exchange Releases VAISALA CORPORATION STOCK EXCHANGE ANNOUNCEMENT 20.2.2017 SHARE REPURCHASE 20.2.2017 In the Helsinki Stock Exchange Trade date 20.2.2017 Bourse trade BUY Share VAIAS Amount 744 shares Average price/share 33,7894 EUR Total Cost 25 139,31 EUR Vaisala Corporation now holds a total of 384 307 shares including the shares repurchased on 20.2.2017. On behalf of Vaisala Corporation NORDEA BANK AB (publ), Finnish Branch Janne Sarvikivi Julius Summanen Vaisala_20.2_trades