Vaisala Oyj Stock Exchange Announcement 28.3.2008, at 8:35 (GMT +2) 1(1) The Annual General Meeting of Vaisala Oyj decided on March 27, 2008 to approve the Company's annual accounts for 2007. The dividend will be EUR 0.85 per share. Dividend The Annual General Meeting decided that a dividend of EUR 0.85 per share, corresponding to the total of EUR 15,477,831.90 will be distributed for the financial year 2007. Dividend is not paid to the A-shares that are held by Vaisala Oyj. The record date for dividend payment is April 1, 2008 and dividend will be paid on April 8, 2008. Discharge from liability The Annual General Meeting granted the Members of the Board of Directors and the Company's President and CEO discharge from liability for the accounts. The Members of the Board of Directors The Annual General Meeting decided that the Board of Directors continues to conprise of six members. Raimo Voipio and Mikko Niinivaara, who were to retire by rotation was re-elected for three years. The other members in the Board of Directors are Yrjö Neuvo, Maija Torkko, Mikko Voipio and Stig Gustavson. Auditors PricewaterhouseCoopers Oy and Mr. Hannu Pellinen APA were chosen as the Company's Authorized Public Accountants. Board of Directors remuneration The Annual General Meeting decided on the annual remuneration of the Board of Directors to be as follows: chairman 35 000 euros, and a member 25 000 euros. The meeting of the Board of Directors Raimo Voipio, M.Sc.(Eng.) will continue as Chairman of the Board of Directors and Yrjö Neuvo, Ph.D will continue as Vice-Chairman. Maija Torkko, B.Sc. (Economics) and LL.M, Mikko Niinivaara, M.Sc.(Eng.), Mikko Voipio, M.Sc.(Eng.) and Dr. Stig Gustavson will be the Members of the Board of Directors. Further information: Jouni Lintunen, CFO +358 9 8949 2215 or +358 40 579 0181 Vaisala Oyj Distribution: Nordic Exchanges Vaisala 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