Vaisala - Company Announcement

Conversion of unlisted shares series K into series A

Vaisala Corporation           Stock Exchange Release         November 15, 2010
at 12.00



Vaisala Oyj's 600 unlisted shares (series K) have been converted into listed
shares (series A). The conversion has been registered in the Finnish Trade
Register November 15, 2010. Listing of the new series A shares has been applied
for as of November 16, 2010.


Further information:
Jouni Lintunen, CFO, +358 40 5790181

Vaisala Corporation



Distribution:
NASDAQ OMX


[HUG#1462179]