Vaisala - Company Announcement

Vaisala's Summary of 2011 Releases

Vaisala Corporation Stock exchange release January 25, 2012 at 12 p.m.



Vaisala has published the summary of 2011 stock exchange releases. The document
is available at www.vaisala.com/en/investors/corporategovernance.



Further information:
Liisa Ahtiluoto, Communications Manager, tel. +358 9 8949 2725, email
liisa.ahtiluoto@vaisala.com


Attachment:
Summary of Vaisala stock exchange releases in 2011


Distribution:
NASDAQ OMX Helsinki



[HUG#1579955]

Attachments:

Vaisala summary of 2011 releases.pdf