Metso's Board of Directors proposes an extra dividend of EUR 0.50 per share

Metso Corporation's stock exchange release on September 12, 2012 at 8.30 a.m. local time

Metso Corporation's Board of Directors is to convene an Extraordinary General
Meeting on October 12, 2012 to decide on an extra dividend. The Board of
Directors will propose that an extra dividend of EUR 0.50 per share shall be
paid for the financial year ended December 31, 2011 in addition to the dividend
of EUR 1.70 per share already paid in accordance with the resolution of the
Annual General Meeting. The Board of Directors announced in a Financial
Statements Review issued on February 9, 2012 that it would consider recommending
payment of an extra dividend later in the year and believes that Metso's sound
financial position now enables payment of such a dividend.

The dividend will be payable on October 24, 2012 to shareholders registered in
the company's shareholders' register held by Euroclear Finland Ltd. on the
dividend record date of October 17, 2012. All Metso shares are entitled to a
dividend with the exception of those held by the company.

The invitation to the Extraordinary General Meeting will be published on Metso's
website and in a separate stock exchange release.

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:
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