Vaisala Oyj

Regulatory Filings • Feb 11, 2010

Disclosure 275929

Vaisala - Company Announcement

Vaisala consolidates activities in the US

Stock exchange release Vaisala Oyj 11 February 2010 at 6 pm Vaisala acquired the U.S. based Quixote Transportation Technologies, Inc. (QTT) in late December 2009 to grow its presence in the global road weather and information technology business. To achieve synergy targets related to the acquisition, Vaisala is consolidating its manufacturing, depot and data services, and finance activities currently located in Uniontown, Pennsylvania, St. Louis, Missouri and Durham, North Carolina. The former QTT manufacturing and finance functions will be transferred to Boulder Operations in Colorado, and the service functions to Boulder Operations and Boston Office, Massachusetts. These moves are intended to improve operational efficiency, quality and customer service. The proposed consolidation activities will impact approximately 30 positions. Some of these positions are planned to be terminated, some outsourced and some relocated. These consolidation activities are planned to be completed by October 2010. Further information: Helena Marjaranta SVP, Communications Tel. +358 40 581 9102 Scott Sternberg President, Vaisala Inc Tel. +1 (303) 499-1701 About Vaisala Vaisala is a global leader in environmental and industrial measurement. Building on more than 70 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 Nordic Stock Exchange, Helsinki. www.vaisala.com http://www.vaisala.com/ Distribution: OMX Nordic Exchange Helsinki Main media [HUG#1383689]