Vaisala Oyj: SHARE REPURCHASE 5.1.2017 Published: Jan 5, 2017 Stock Exchange Releases VAISALA CORPORATION STOCK EXCHANGE ANNOUNCEMENT 5.1.2017 SHARE REPURCHASE 5.1.2017 In the Helsinki Stock Exchange Trade date 5.1.2017 Bourse trade BUY Share VAIAS Amount 1 000 shares Average price/share 34,2570 EUR Total Cost 34 257,00 EUR Vaisala Corporation now holds a total of 369 112 sharesincluding the shares repurchased on 5.1.2017. On behalf of Vaisala Corporation NORDEA BANK FINLAND PLC Janne Sarvikivi Julius Summanen Vaisala_5.1_trades