Vaisala - Company Announcement

Vaisala to supply radiosondes to Australia

Vaisala Oyj, stock exchange release, 16.7.2008 at 11.00

Vaisala and the Australian Bureau of Meteorology have signed an
agreement to supply radiosondes for the upper air observation network
of the Bureau. The duration of the agreement is three years, with an
option for one additional year. The total value of the radiosondes to
be supplied during the three year period is expected to exceed 5
million EUR.

Vaisala's upper air products are used to provide the raw data for 5-7
day weather forecasts. The Australian Bureau of Meteorology operates
one of the world's largest meteorological observation networks and is
an existing customer for Vaisala upper air observation equipment.

Vaisala is a global leader in environmental and industrial
measurement, providing services, products and solutions for
meteorology, environmental sciences, aviation, traffic and industry.
Built on science-based innovation, advanced technology and over 70
years of experience, Vaisala is committed to providing a better
quality of life through environmental measurement. Headquartered in
Finland, Vaisala employs over 1100 professionals and is listed on the
Nordic Exchange, Helsinki. www.vaisala.com

Further information:
Robert Ireland, Vaisala Pty Ltd, Regional Manager, tel +61 3 9815
6700 (Melbourne, Australia)
Jouni Lintunen, CFO, tel +358 9 8949 2215 (Helsinki, Finland)

Distribution:
Nordic Exchange
Finnish news agency
Major media