UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 6-K

Metso Corporation

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F

Form 20-F þ     Form 40-F o

Indicate by check mark whether the registrant by furnishing the information contained in this Form is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934.

Yes o      Noþ

If “Yes” is marked, indicate below the file number assigned to the registrant in connection with Rule 12g-3-2(b):82-          

 

 

SIGNATURES

Date August 1, 2006

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf of the undersigned, thereunto duly authorized.

Name:

Olli Vaartimo		Aleksanteri Lebedeff
Executive Vice President and CFO		Senior Vice President,
Metso Corporation		General Counsel Metso Corporation

J.P. Morgan Chase & Co.’s holdings in Metso to 5.03 percent

(Helsinki, Finland, August 1, 2006) – Metso Corporation (NYSE: MX; OMXH: MEO1V)

Metso Corporation has been informed about a change in the holding of the mutual funds managed by J.P. Morgan Chase & Co. of the paid up share capital of Metso Corporation. On July 31, 2006, J.P. Morgan Chase & Co ‘s holdings amounted to 5.03 percent of the paid up share capital of Metso Corporation after being, on the basis of their previous announcement, 4.98 percent on January 19, 2006. The threshold of five percent was crossed on July 31, 2006 when J.P. Morgan Asset Management (UK) Limited purchased 146,138 Metso shares.

According to their announcement, holdings by mutual funds of J.P. Morgan Chase & Co. on July 31, 2006 were as follows:

J.P. Morgan Investment Management Inc.		1,646,014 shares
J.P. Morgan Trust Bank		118,000 shares
JP Asset Management (Taiwan) Limited		30,610 shares
JP Asset Management Limited		124,145 shares
JP Morgan Fleming Asset Management (Japan) Limited		56,379 shares
JPMorgan Asset Management (UK) Limited		4,737,437 shares
JPMorgan Chase Bank		240,640 shares
J.P. Morgan Securities Ltd.		172,221 shares
Total		7,125,446 shares

This holding corresponds to 5.03 percent of the paid up share capital of Metso Corporation.

Metso is a global engineering and technology corporation with 2005 net sales of approximately EUR 4.2 billion. Its 22 000 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

For further information, please contact:
Johanna Sintonen, Vice President, Investor Relations, Metso Corporation,
tel. +358 204 84 3253