Vaisala Oyj

Report Publication Announcement • Mar 11, 2009

A summary of stock exchange releases in 2008

Below is a summary of all the stock exchange releases Vaisala Oyj has published in 2008.

The full text stock exhange releases, announcements and press releases are available on the Vaisala web site at http://www.vaisala.com/newsandmedia/stockexchangereleases/stockexchangerelease 2008.aspx

Jan 08, 2008	Vaisala signs a significant radiosonde contract
Jan 24, 2008	Preliminary information on Vaisala's financial statements for year 2007
Feb 14, 2008	Vaisala Group financial statements for 2007
Feb 27, 2008	Invitation to the Annual General Meeting of Vaisala
Mar 04, 2008	Vaisala receives EUR 6 million order for weather station components
Mar 06, 2008	Vaisala's Annual Report and summary list of releases for 2007 published
Mar 28, 2008	Decisions made by Vaisala Oyj's Annual General Meeting
Apr 02, 2008	Vaisala Capital Markets Day on 2 April 2008 in Vantaa
Apr 30, 2008	Comparative information from year 2007 of the new Vaisala segment reporting
May 08, 2008	Vaisala Group's Interim Report, January-March 2008 (3 months)
Jun 25, 2008	Conversion of unlisted shares series K into series A
Jul 16, 2008	Vaisala to supply radiosondes to Australia
Aug 07, 2008	Vaisala Group's Interim Report, January-June 2008 (6 months)
Sep 03, 2008	Conversion of unlisted shares series K into series A
Nov 05, 2008	Vaisala Group's Interim Report, January-September 2008 (9 months)

• Nov 05, 2008 Vaisala refines its strategy and focuses on key market segments
• Nov 06, 2008 Vaisala Oyj's financial information in 2009
• Nov 27, 2008 Matti Ervasti resigns from Vaisala
• Dec 12, 2008 Conversion of unlisted shares series K into series A
• Dec 17, 2008 Appointment in Vaisala's management group
• Dec 30, 2008 Vaisala acquires Aviation Systems Maintenance Inc.