Metso Corporation's largest shareholders according to the shareholder register of October 1, 2012

Metso Corporation's stock exchange release on October 2, 2012 at 11.40 a.m. local time

Metso's Annual General Meeting decided on March 29, 2012 to establish a
Nomination Board to prepare proposals on members of the Board of Directors and
their remuneration for the next Annual General Meeting which is planned to be
held on March 28, 2013. The representatives of the four largest shareholders
registered in Metso's shareholder register as of October 1, 2012 are elected to
the Nomination Board along with the Chairman of the Board of Directors Jukka
Viinanen as an expert member.

According to the shareholders register, Metso Corporation's four largest
shareholders on October 1, 2012 were:

- Solidium Oy (16,695,287 shares and votes or 11.10% of share capital and
- Cevian Capital II Master Fund L.P. (10,193,060 shares and votes or 6,78% of
share capital and votes),
- Ilmarinen Mutual Pension Insurance Company (6,036,943 shares and votes or
4,02% of share capital and votes),
- Varma Mutual Pension Insurance Company (3,908,465 shares and votes or 2,60% of
share capital and votes).

Metso is a global supplier of technology and services to customers in the
process industries, including mining, construction, pulp and paper, power, and
oil and gas. Our 30,000 professionals based in over 50 countries deliver
sustainability and profitability to customers worldwide. Expect results.,

For further information, please contact:
Aleksanteri Lebedeff, SVP, General Counsel, Metso Corporation, tel.
+358 20 484 3240
Juha Rouhiainen, VP, Investor Relations, Metso Corporation, tel.
+358 20 484 3253

Metso Corporation

Harri Nikunen

Juha Rouhiainen
VP, Investor Relations

NASDAQ OMX Helsinki Ltd