Vaisala Oyj

Board/Management Information • Nov 20, 2009

Disclosure 274093

Vaisala - Changes board/management/auditors

Appointment in Vaisala's management group

Vaisala Oyj Stock exchange release 20 November 2009 at 09.00 am John Jiang has been appointed President of Vaisala China and a member of Vaisala's strategic management group starting January 1, 2010. John Jiang joins Vaisala from FKI, a major international industrial investment group, where he has worked as China Managing Director. In FKI, he was in charge of overseeing all the operations of the China headquarters. Before FKI, John Jiang has worked in several general manager or senior business consultant positions for international companies in China. John Jiang holds a Ph.D. degree in mechanical and aerospace engineering from Case Western Reserve University in Cleveland, Ohio, US. Additionally he received MBA training from the same university. Further information: Kjell Forsén President and CEO Tel. +358 400 757 948 Helena Marjaranta Senior Vice President, Communications Tel. +358 40 581 9102 Distribution: NASDAQ OMX Helsinki, main media