Vaisala Oyj

Regulatory Filings • Dec 2, 2010

Disclosure 282879

Vaisala - Company Announcement

Vaisala to Supply Oman Airports with Comprehensive Weather Observation Systems

Vaisala Oyj Stock Exchange Release December 02, 2010 at 2 p.m. Vaisala has been awarded a contract to supply weather observation systems to six airports in the Sultanate of Oman. The value of the deal is over 9 million euros and the deliveries will take place between 2011 and 2014. Vaisala's weather observation systems will be part of the extensive upgrade projects on two international and four regional airports in the Sultanate of Oman. The projects are commissioned by Directorate General of Meteorology and Air Navigation (DGMAN) Of Oman with the goal to increase efficiency and safety as well as multiply the passenger capacity of the airports."We are naturally very pleased about this deal which continues our good track record in the Middle-East. Vaisala's aviation weather systems are used in all major international airports in the area such as Dubai, Abu Dhabi, and New Doha airport in Qatar. Oman's international airports, Muscat and Salalah, will complement this list perfectly," states Kai Konola, Executive Vice President of Weather Critical Operations business area. Vaisala's meteorological systems will offer accurate and consistent online weather information to various user groups at the airports where real-time weather information is crucial to ensure safety and efficiency. The comprehensive systems comprise of automated weather observing systems, sounding systems, wind profilers and lightning detection systems. These systems will be an integrated part of the airports' air traffic management networks supplied by Indra Sistemas S.A. For more information: Hannu Katajamäki, Airports Market Segment Manager, tel. + 358 40 5531 707 Jouni Lintunen, CFO, tel +358 40 5790 181 [HUG#1468070]