Vaisala Oyj Stock exchange release 13.9.2007 at 10:15 Vaisala has signed a contract with a long-standing customer for fixed base automatic weather stations for aviation operations use. The contract covers the supply of automatic weather stations and support services, and can be extended to the end of the year 2012. The estimated value of the contract is over 10 million USD. The Vaisala Group is a successful international technology company that develops and manufactures electronic measurement products and solutions and related services. Application areas include meteorology, environmental sciences, traffic and industry. The Vaisala Group employs over 1,000 professionals. In 2006, Vaisala achieved net sales of EUR 220.8 million. Vaisala operates and serves its customers globally. In 2006, operations outside Finland accounted for 97% of net sales. Parent company Vaisala Oyj, domicile in Finland, is listed on the Nordic Exchange Helsinki. Further information: Hannu Tuominen, Division Director, Vaisala Solutions gsm +358 400 605 299 Jouni Lintunen, CFO gsm +358 40 579 0181 Distribution: Nordic Exchange Helsinki Finnish news agency Major media