EXCHANGE NOTICE, JULY 31, 2020 SHARES (Record Id 143583) VAISALA OYJ: SHARE CONVERSION A total of 20,306 K-shares converted into A-shares will be traded together with the old A-shares of Vaisala Oyj as of August 03, 2020. Trading code: VAIAS ISIN code: FI0009900682 Orderbook id: 24388 Number of shares: 29,705,636 Nasdaq Helsinki Oy, Surveillance, survo@nasdaq.com, +358 9 6166 7260
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