YIT CORPORATION PRESS RELEASE December 21, 2009 at 13:00 ERKKI HUUSKO APPOINTED AS THE HEAD OF YIT INDUSTRIAL SERVICES B.Sc. (Eng.), eMBA Erkki Huusko (52) has been appointed as the head of YIT's Industrial Services business group. Huusko has been employed by YIT since 1982 and has held positions related to industrial maintenance and industrial projects. Prior to the appointment Huusko has been the director of industrial maintenance services. The former head of Industrial Services and a member of the Group's management board, Pekka Frantti, will resign from YIT as he has been appointed as the CEO of GS-Hydro Oy. For more information, please contact Arne Malonæs, President of Building and Industrial Services business segment, +47 906 93 186 YIT CORPORATION Virva Salmivaara Senior Vice President, Corporate Communications Distribution: principal media, www.yitgroup.com YIT is a leading European service company in building systems, construction services and services for industry. We build, develop and maintain quality living environments in the Nordic countries, Russia, the Baltic countries and Central Europe. In 2008, YIT's turnover was EUR 3.9 billion. The Group has about 25,000 employees. YIT's share is listed on NASDAQ OMX Helsinki. For the industry YIT offers planning, investment and maintenance services for the industrial production processes, equipment and premises. In the Nordic countries, YIT is the leading building system service provider and a leader in its product areas in industrial services.