A-warrants of Vaisala Oyj 2000 warrant program listed on 1 December 2003


Stock Exchange Announcement 27.11.2003, at 14.00  1(1)
 
Trading in the A-warrants of Vaisala Oyj 2000 warrant program will start on the Helsinki Exchanges on 1 December 2003.
 
The total number of A-warrants is 428,000. Each warrant entitles its holder to subscribe for one (1) A-share in Vaisala Corporation. The book-value equivalent of each share is EUR 0.42 (not exact).
 
The subscription period of A-shares started 1 December 2002 and will end 31 January 2006. The current share subscription price is EUR 22.78/share from which the amount of the annual cash dividend distributed will be deducted.
 
The shares will entitle the shareholder to dividend for the financial year in which the subscription takes place. Other shareholder rights shall commence when the increase of the share capital has been registered with the Trade Register.
 
As a result of the subscriptions the share capital of Vaisala Oyj may increase with a maximum of 428,000 new A-shares, i.e. by a maximum of EUR 179,760 (not exact). This corresponds to approximately 2.4% of the company's current share capital, representing 0.5% of the total number of votes carried by all shares.
 
Share subscription takes place at the head office of Vaisala Oyj at the finance department and possibly at an other location to be announced later. Payment of shares subscribed shall be effected on subscription.
 
The conditions of A-Warrants of Vaisala Oyj 2000 are enclosed.
 
Further information:
Tapio Engström, Finance Director
+358 9 8949 2215, +358 400 716 732
 
Vaisala Oyj
 
Distribution:
Helsinki Exchanges