Vaisala Oyj: SHARE REPURCHASE 23.2.2017 Published: Feb 23, 2017 Stock Exchange Releases VAISALA CORPORATION STOCK EXCHANGE ANNOUNCEMENT 23.2.2017 SHARE REPURCHASE 23.2.2017 In the Helsinki Stock Exchange Trade date 23.2.2017 Bourse trade BUY Share VAIAS Amount 1 040 shares Average price/share 33,3679 EUR Total Cost 34 702,62 EUR Vaisala Corporation now holds a total of 388 539 sharesincluding the shares repurchased on 23.2.2017. On behalf of Vaisala Corporation NORDEA BANK AB (publ), Finnish Branch Janne Sarvikivi Julius Summanen Vaisala_23.2_trades