Vaisala Oyj Stock exchange release March 10, 2009 at 2.00 p.m. Vaisala Group's Annual Report and Financial Report for 2009 have been published and are available at www.vaisala.com/annualreport <http://www.vaisala.com/annualreport> in English and Finnish. Vaisala publishes its full Annual Report online only. Printed copies of the 2009 Financial Statements can be ordered at www.vaisala.com/publicationorder <http://www.vaisala.com/publicationorder>. Additionally, Vaisala has published a summary list of 2009 stock exchange releases. The list is available in PDF format at http://www.vaisala.com/newsandmedia/stockexchangereleases/stockexchangerelease20 09.aspx. Attachments * Vaisala Financial Report 2008 * Summary of Vaisala stock exchange releases in 2008 Further information: Helena Marjaranta, Senior Vice President, Communications, tel. +358 9 8949 2832 Distribution: NASDAQ OMX Helsinki Major media [HUG#1392455]