Appointment in Vaisala's Management Group

Vaisala Corporation   Stock exchange release   30 June 2011 at 3.00 p.m. Kaarina Muurinen, M.Sc. (Econ.), has been appointed Vaisala's Chief Financial Officer and a member of Vaisala's Business and Strategic Management Groups starting September 19, 2011. Kaarina Muurinen joins Vaisala from Nokia, where she has worked for thirteen years in various global finance and control senior management positions, most recently as Vice President, Finance & Control for Demand Supply Network Management and Sourcing. Prior to that position, she worked as Vice President in the Shared Accounting Services unit and as a Director for the Financial Services Platform. Before her career in Nokia, Kaarina held financial management positions at Hewlett Packard in Finland and Belgium, at Lapponia Jewelry and at Alkuperäistuonti. Jouni Lintunen, the current CFO, will assume a new role within Vaisala, to be announced later. Further information: Kjell Forsén President and CEO Tel. +358 400 757 948 Vaisala is a global leader in environmental and industrial measurement. Building on 75 years of experience, Vaisala contributes to a better quality of life by providing a comprehensive range of innovative observation and measurement products and services for meteorology, weather critical operations and controlled environments. Headquartered in Finland, Vaisala employs over 1300 professionals worldwide and is listed on the NASDAQ OMX Helsinki. Distribution: NASDAQ OMX Helsinki Main media This announcement is distributed by Thomson Reuters on behalf of Thomson Reuters clients. The owner of this announcement warrants that: (i) the releases contained herein are protected by copyright and other applicable laws; and (ii) they are solely responsible for the content, accuracy and originality of the information contained therein. Source: Vaisala Oyj via Thomson Reuters ONE [HUG#1527309]