Vaisala Oyj: SHARE REPURCHASE 21.2.2017 Published: Feb 21, 2017 Stock Exchange Releases VAISALA CORPORATION STOCK EXCHANGE ANNOUNCEMENT 21.2.2017 SHARE REPURCHASE 21.2.2017 In the Helsinki Stock Exchange Trade date 21.2.2017 Bourse trade BUY Share VAIAS Amount 1 692 shares Average price/share 33,6742 EUR Total Cost 56 976,75 EUR Vaisala Corporation now holds a total of 385 999 shares including the shares repurchased on 21.2.2017. On behalf of Vaisala Corporation NORDEA BANK AB (publ), Finnish Branch Janne Sarvikivi Julius Summanen Vaisala_21.2_trades