A claim for Vaisala


Vaisala Oyj has received a claim for compensation related to the use
of patented GPS technology in radiosondes. The issue will be settled
through arbitration in the United States. The demand for compensation
is USD 6.5 million. Vaisala considers the claim to be without
justification.

The Vaisala Group is a successful international technology company
that develops and manufactures electronic measurement systems and
equipment for meteorology, environmental sciences, traffic safety and
industry. Vaisala employs over 1,200 professionals and
achieved net sales of EUR 183.5 million in 2001. Vaisala serves
customers throughout the world. In 2001, exports accounted for 96% of
net sales. Vaisala's A-series shares are quoted on the Helsinki
Exchanges (HEX).

Further information:
Olli Karikorpi, Finance Director       
+358 9 8949 2215 or  +358 40 777 2933

Tiina Hansson, Communication Director  
+358 9 8949 2728 or +358 40 730 3751


Vaisala Oyj




Distribution:
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Finnish News Agency
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