Standard & Poor's revised Metso's rating outlook to positive

Metso Corporation's stock exchange release on April 17, 2012 at 8:45 a.m. local time

Standard & Poor's Ratings Services has affirmed Metso's BBB long-term and A-2
short-term corporate credit ratings and changed the outlook from stable to

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. ,

Further information, please contact:
Pekka Hölttä, Senior Vice President, Corporate Treasurer,
Metso, tel. +358 20 484 3195

Metso Corporation

Harri Nikunen

Juha Rouhiainen
VP, Investor Relations

NASDAQ OMX Helsinki Ltd