EXCHANGE NOTICE 470/2004, 29 November 2004 SHARES
A total of 1 000 unlisted shares (series K) of Vaisala Corporation converted into listed shares (series A) will be traded together with the listed shares of Vaisala Corporation as of 30 November 2004.
Identifiers of Vaisala Corporation's A share:
Trading code: VAIAS
ISIN code: FI0009900682
Orederbook id: 24338
Number of shares: 14 065 715
HELSINKI STOCK EXCHANGE
Janne Seppänen
Vice President Surveillance Finland