Metso Corporation's company release on May 12, 2009 at 3:00 p.m. Metso will supply PGE Zespól Elektrowni Dolna Odra S.A. with a biomass-fired power boiler to their combined heat and power (CHP) plant located in Szczecin on the north-west coast of Poland. Start-up of the boiler plant is scheduled for the fourth quarter of 2011. The value of the order is approximately EUR 60 million. The order is included in Energy and Environmental Technology's Q2 orders received. The power boiler with the steam capacity of 183 MW will utilize bubbling fluidized bed technology and will burn forest residue, willow chips and straw pellets to produce electricity to the national grid and district heat for the city of Szczecin. Metso will also supply plant's automation and information management system. PGE Zespól Elektrowni Dolna Odra is modernizing its Szczecin CHP plant and will now replace old coal-fired boilers with the new unit to combust biomass. With the new fluidized bed technology the company will significantly increase its green energy production from renewable fuels. By its capacity the Szczecin green energy plant will be the largest biomass energy project in Central Europe and it has received support from Szczecin Province Fund for Environmental Protection and Water Management, as well as National Fund for Environmental Protection and Water Management. PGE (Polska Grupa Energetyczna) is the largest company in the energy and power sector in Poland and one of the largest in Central and Eastern Europe. PGE includes among other businesses more than 40 power plants and combined heat and power plants. The annual electricity production in 2008 amounted to approximately 56 TWh in net figures whereas the installed capacity totals 12.4 GW. PGE counts nearly 46,600 employees and it is fully-owned by the state of Poland. Metso is a global supplier of sustainable technology and services for mining, construction, power generation, automation, recycling and the pulp and paper industries. We have about 28,000 employees in more than 50 countries. www.metso.com Further information for the press, please contact: Kari Remes, General Manager, Sales, Power business line, Metso, tel. +358 40 709 2015 Further information for investors, please contact: Johanna Sintonen, Vice President, Investor Relations, Metso Corporation, tel. +358 20 484 3253 Metso Corporation Olli Vaartimo Executive Vice President and CFO Kati Renvall Vice President, Group Communications Distribution: NASDAQ OMX Helsinki Ltd Media www.metso.com