UNITED STATES SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 6-K

Report of Foreign Issuer Pursuant to Rule 13a-16 or 15d-16
under the Securities Exchange Act of 1934

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      No þ

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

 

 

SIGNATURES

Date October 4, 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

FIDELITY MANAGEMENT RESEARCH CORPORATION’S HOLDINGS IN METSO DECREASED TO 4.95 PERCENT

(Helsinki, Finland, October 4, 2006) — Metso Corporation (NYSE: MX; OMXH: MEO1V)

Metso Corporation has been informed about a decrease in the holding of Fidelity Management Research Corporation and its subsidiaries of the paid up share capital of Metso Corporation. On October 2, 2006, Fidelity Management Research Corporation and its subsidiaries owned a total of 7,014,100 Metso shares, which corresponds to 4.95 percent of the paid up share capital and voting rights of Metso Corporation. On the basis of the previous announcement, their holding was 5.03 percent on December 19, 2005.

According to the announcement of Fidelity Management Research Corporation, their holdings on October 2, 2006 were as follows:

FUND NAME		SHARES
ASSET MANAGER 70%			25,095
ASSET MANAGER 85%			9,454
ASSET MANAGER 50%			62,134
BANK OF MONTREALS INTL T55349			12,100
BP MASTER TR FOR EMP PP T55275			20,900
BROWN & WILLIAMSON SEL INTL			7,800
CATERPLLR VEBA SEL EUR T55257			7,400
CATERPILLAR INC T55207			41,300
CDP QUEBEC T55293			145,400
CITY OF FRESNO RT SY-SI T50621			10,300
CATERPILLAR INC 401K SI T50578			6,800
STATE OF CT RET PLAN T50251			31,600
DALLAS POLICE & FIRE T50092			26,000
FID FDS — EURO SMALLER CO POOL			0
FA ASSET ALLOCATION			1,633
FA DIVERSIFIED INTERNATIONAL			1,480,100
FA GLOBAL CAP APP INTL EQ SUB			19,600
FICL SEL INTL EQTY TR T55106			25,800
FICL SEL INTL SM CP TR T55105			5,800
FICL GLBL ASSET ALL EQ-EUROPE			31,600
FIDELITY OVERSEAS FUND — CANADA			12,700
FID SEL GLBL EQ TR-WLD T55281			800
FID DIVERSIFIED INTRNTNL SUB A			2,242,800
FIDELITY EUROPE FUND — CANADA			264,500
FIDELITY EUROPE FUND			515,600
FID AGGRESSIVE INTL FUND			76,052
FID SELELCT INTL EQUITY (T319)			261,100
IBM CANADA SELECT INTL T2286			28,400
IBM NETHERLANDS — SELECT EUROPE			52,600
IBM SELECT EAFE CANADA T2205			50,000

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
Aleksanteri Lebedeff, Senior Vice President, General Counsel, Metso Corporation,
tel. +358 204 84 3240

or

USA: Mike Phillips, Senior Vice President, Finance and Administration, Metso USA, Inc., tel. +1 770 246 7237.