Standard & Poor's has affirmed the BBB long-term credit ratings and changed the outlook from stable to positive. At the same time the senior unsecured debt ratings were raised from BBB- to BBB. The short-term A-2 ratings were affirmed. Metso is a global engineering and technology corporation with 2007 net sales of approximately EUR 6 billion. Its almost 27,000 employees in approximately 50 countries serve customers in the pulp and paper industry, rock and minerals processing, the energy industry and selected other industries. www.metso.com For further information, please contact: Pekka Hölttä, Senior Vice President, Corporate Treasurer, Metso, tel. +358 20 484 3195 Johanna Sintonen, Vice President, Investor Relations, Metso, tel. +358 20 484 3253 Metso Corporation Olli Vaartimo Executive Vice President and CFO Kati Renvall Vice President, Corporate Communications distribution: OMX Nordic Exchange in Helsinki Media www.metso.com