Vaisala Oyj: SHARE REPURCHASE 12.1.2017 Published: Jan 12, 2017 Stock Exchange Releases VAISALA CORPORATION STOCK EXCHANGE ANNOUNCEMENT 12.1.2017 SHARE REPURCHASE 12.1.2017 In the Helsinki Stock Exchange Trade date 12.1.2017 Bourse trade BUY Share VAIAS Amount 300 shares Average price/share 34,0301 EUR Total Cost 10 209,03 EUR Vaisala Corporation now holds a total of 371 018 shares including the shares repurchased on 12.1.2017. On behalf of Vaisala Corporation NORDEA BANK FINLAND PLC Janne Sarvikivi Julius Summanen Vaisala_12.1_trades