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 [April 25, 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		Harri Luoto
Executive Vice President and CFO		Senior Vice President,
Metso Corporation		General Counsel Metso Corporation

FIDELITY INTERNATIONAL LIMITED’S HOLDING IN METSO INCREASED TO 5.12 PERCENT

(Helsinki, Finland, April 25, 2006) – Metso Corporation (NYSE: MX; OMXH: MEO1V)

Metso Corporation has been informed about an increase in the holding of the Fidelity International Limited and its subsidiaries of the paid up share capital of Metso Corporation. On April 21, 2006, Fidelity International Limited and its subsidiaries owned a total of 7,251,782 Metso shares, which corresponds to 5.12 percent of the paid up share capital and voting rights of Metso Corporation. On the basis of the previous announcement, their holding was 3.98 percent on March 29, 2006.

According to the announcement of Fidelity International Limited, their holdings on April 21, 2006 were as follows:

FUND NAME		SHARES
FIJ IT EURO SMLLR COS OPN MTHR			16,700
FIDELITY EUROPEAN OPP FND 1992			220,600
FIFTEEN RE FIDELITY			210,500
FID FDS — EUROPEAN GROWTH POOL			3,270,099
FID FDS — NORDIC POOL			433,800
FID FDS — EURO BLUE CHIP POOL			969,615
FID FDS – EURO SMALLER CO POOL			340,600
EP MM CLAPP			57,600
STC INTL EQUITY FUND — ROW			37,600
SGE MM ROW			21,000
GEC 1972 PLN GLB EQTY FD — ROW			43,400
CHURCH COMM FOR ENGLAND — ROW			31,300
BRITISH ENERGY GEN GRP — ROW			17,800
IBM DENM SELECT — GLOBAL EX-US			11,500
ACCIDENT REHAB & CMP — GLB EX-US			64,800
IBM AUSTRIA GLOBAL EX US			4,200
AFP UNILEVER SCHWEIZ — GBL EX US			6,100
DEUTSCHE ARTZE — ROW			10,800
FMT_GL ROW			45,800
EAST SUSSEX CNTY COUNCIL — ROW			44,000
RAILWAYS PENS EQUITY — EUROPE			215,200
CHEVRON TEXACO UK PNS PL-ROW			22,100
AUSTRALIA — FUNDS SA			56,300
SAINT-GOBAIN UK PENSION SCHEME			51,800
SHELL AUSTRIA PENSIONSKASSE AG			12,400
DBI — FONDS DSPT- A1			41,800
NPC TRUST — ACTIVE 1 - ROW			8,400
BAYVK A1 FIDELITY			70,000
MV4 ACTIONS EURO			52,024
FF-INST EURO BLUE CHIP POOL			48,975
STICHTING BEDRIJF VOOR DE META			232,600
GM INVESTMENT TRUSTEES LTD			38,900
THE PENSIONS TRUST — GC			12,000
FIDELITY EUROPEAN PILOT FUND			916
VICTORIAN FUNDS MGMT CORP			19,000
GIC MM EUROPEAN EQ FUND — GC			13,900
FIDELITY EUROZONE EQ PILOT FD			1,970
A/C 16MSFSLE			90,900
FIDELITY EUROPEAN CYCL PLT FD			2,300
SPH — SELECT EUROPE			62,300
SPMS-SELECT EUROPE			41,000
FIDELITY SELECT GLOBAL EQ FUND			6,200
FID AUS EUROPE FUND			16,300
FID INSTL SELECT EUROPE EQ FD			41,400
UNILEVER PRG SMALL CAP EUROPE			12,800
BASF AG — EUROPEAN SMALL CAPS			43,200
MULTI STYLE MULT MGR EUR SM CP			32,700
STCHG BD V DE MT EN TCH BD ESC			39,100
CO-OPERATIVE GRP PENS – RW			26,100
GKN GROUP PENSION SCHEME – ROW			32,500
UNILEVER (SUPERANN) IRELAND – ROW			18,700
IBM IREL SEL GLBL EQUITIES ROW			2,200
IBM AUSTRIA SELECT GLBL EQ ROW			5,600
EUROPEAN EQUITY MKT NEUT LONG			22,383
TOTAL		7,251,782 SHARES

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 20 484 3253
Harri Luoto, 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.