Helsinki, Finland, 21 May 2007 - Standard & Poor's Ratings Services has upgraded the long-term credit rating of Metso Corporation to BBB from BBB- and the short-term rating to A-2 from A-3. The rating on Metso's senior unsecured debt has been upgraded to BBB- from BB+. The outlook on rating is considered stable.

Metso is a global engineering and technology corporation with 2006 net sales of approximately EUR 5 billion. Its 25,500 employees in more than 50 countries serve customers in the pulp and paper industry, rock and minerals processing, the energy industry and selected other industries.
www.metso.com