BlackRock, Inc. holdings in Metso decreased to 4.85 percent

Metso Corporation has been informed by BlackRock Investment Management (UK)
Limited about a change in the holding of the mutual funds managed by BlackRock,
Inc. of the total amount of shares and votes of Metso Corporation.

On March 19, 2010 BlackRock, Inc. (USA Tax ID 32-0174421, SEC CIK Code#:
0001364742) holding in shares of Metso Corporation fell below the 5 per cent
threshold. The holding amounted to 7,298,453 shares, which corresponds to 4.85
percent of the total amount of shares and votes in Metso Corporation, after
being, on the basis of their previous announcement, 5.03 percent on February
24, 2010.

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 27,000 employees in more than 50 countries.
www.metso.com

For further information, 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:
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www.metso.com