Metso Corporation's company release on December 9, 2009 at 2:00 p.m. local time Metso has received an order to deliver energy and pulping technology for CMPC Celulosa S.A., Chile. The value of CMPC's investment for Metso's technology is approximately EUR 60 million. The commercial operation is scheduled to start in 2011-2012. The most part of the order is included in the Energy and Environmental Technology's Q4 orders received. The pulping technology part of the order is included in Paper and Fiber Technology's Q4 orders received. Metso's delivery includes a new biomass fired power boiler, a conversion of an existing recovery boiler to a biomass fired boiler, a digester rebuild and a brown stock washing upgrade. The new power boiler as well as power boiler conversion will utilize bubbling fluidized bed (BFB) technology. The new power boiler will be part of CMPC's Santa Fe pulp mill's energy project for green energy generation. Rebuild of an existing recovery boiler into a biomass fuelled power boiler as well as a digester rebuild and brown stock washing upgrade, including the installation of the press technology are part of the Laja Mill modernization project. CMPC Celulosa S.A. is the Pulp Business Unit of Empresas CMPC S.A., established in 1920. It is the oldest paper producing company in Chile. The company has a diversified export sales network reaching over 200 clients in 30 countries. 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 26,500 employees in more than 50 countries. www.metso.com Further information for the press, please contact: Celso Tacla, President, Paper and Fiber Technology, South America, Metso, Tel. +55 41 3341 4403 Kari Remes, General manager, Sales, Power business line, Metso, Tel +358 20 141 2413 Further information for investors, please contact: Johanna Henttonen, 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