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 December 12, 2005, Fidelity Management Research Corporation and its subsidiaries owned a total of 7,043,800 Metso shares, which corresponds to 4.97 percent of the paid up share capital and voting rights of Metso Corporation.

According to the announcement of Fidelity Management Research Corporation, their holdings on December 12, 2005 were as follows:

FUND NAME    SHARES
INTL SMALL CAP OPPORTUNITIES    81,800
FID NORDIC FUND    73,300
FID EUROPE CAP APPRECIATION FD    226,500
FA EUROPE CAPITAL APPRECIATION    11,500
FA DIVERSIFIED INTERNATIONAL    1,480,100
FID ASSET MANAGER FUND    171,200
FID DIVERSIFIED INTERNATIONAL    3,000,000
FID INTL DISCOVERY FUND    400,500
VIP II ASSET MANAGER    45,600
FIDELITY EUROPE FUND – CANADA    266,500
DALLAS POLICE & FIRE T50092    29,500
BROWN & WILLIAMSON SEL INTL    13,100
STATE OF CT RET PLAN T50251    36,700
FID SELECT INTL EQUITY (T319)    316,700
PRINCIPAL PARTNERS INTL T50423    75,900
METLIFE FI INTL STOCK T50432    76,800
ILLINOIS SURS-SEL INTL T50448    17,500
SELECT INT SM CAP COLL (T1056)    15,000
SAN DIEGO RETIREMENT (T2193)    39,700
IBM SELECT EAFE CANADA T2205    71,900
FICL SEL INTL SM CP TR T55105    9,600
FICL SEL INTL EQTY TR T55106    24,500
CATERPILLAR INC T55207    77,700
CATERPLLR VEBA SEL EUR T55257    12,300
OREGON INVMT CL SEL INT T55271    136,500
WORLD BANK SELECT INTL T55274    16,600
BP MASTER TR FOR EMP PP T55275    27,000
IBM CANADA SELECT INTL T2286    32,600
CDP QUEBEC T55293    100,200
MINNESOTA SBI SEL INTL T55303    27,800
SHELL OIL SELECT INTL T55322    22,200
FICL GLBL ASSET ALL EQ-EUROPE    33,900
FID GLOBAL DISCIPLINED EQUITY    1,200
FIDELITY GLOBAL OPPORTUNITIES    3,700
IBM NETHERLANDS SELECT EUROPE    68,200
TOTAL    7,043,800


Metso is a global technology corporation serving customers in the pulp and paper industry, rock and minerals processing, the energy industry and selected other industries. In 2004, the net sales of Metso Corporation were approx. EUR 4 billion, and it has some 22,000 employees in more than 50 countries. Metso's shares are listed on the Helsinki and New York Stock Exchanges.

www.metso.com


For further information, please contact:

Harri Luoto, Senior Vice President, General Counsel, Metso Corporation,
tel. +358 204 84 3240
Johanna Sintonen, Vice President, Investor Relations, Metso Corporation,
tel. +358 204 84 3253