Metso Corporation's company release on December 28, 2009 at 1:00 p.m. A total of 8,593,642 new shares were subscribed for in the share issue relating to the share exchange offer by Metso Corporation for all issued and outstanding shares and stock options of Tamfelt Corp. The new shares were registered with the Trade Register on December 28, 2009. Following the registration of the new shares, the number of Metso shares totals 150,348,256. Metso's share capital has remained unchanged, at EUR 240,982,843.80. The new shares include the right to dividends and other distributions of funds as well as other shareholder rights in Metso as of the registration date, December 28, 2009. Trading in the new shares alongside the existing shares will commence on NASDAQ OMX Helsinki Ltd on December 29, 2009. Metso is a global supplier of sustainable technology and services for mining, construction, power generation, automation, recycling and the pulp and paper industries. We have about 26,500 employees in more than 50 countries. www.metso.com Further information for investors, please contact: Aleksanteri Lebedeff, General Counsel, Metso Corporation, tel. +358 20 484 3240 This release may not be released or otherwise distributed, in whole or in part, in or into Australia, Canada, Japan, New Zealand, South Africa or the United States. This release is not a tender offer document and as such does not constitute an offer or invitation to make a sales offer. Investors shall accept the Share Exchange Offer for the shares and the offer for the Stock Options only on the basis of the information provided in a share exchange offer document. Offers will not be made directly or indirectly in any jurisdiction where either an offer or participation therein is prohibited by applicable law or where any share exchange offer document or registration or other requirements would apply in addition to those undertaken in Finland. The share exchange offer document and related acceptance forms will not and may not be distributed, forwarded or transmitted into or from any jurisdiction where prohibited by applicable law. In particular, the Share Exchange Offer or the offer for the Stock Options is not being made, directly or indirectly, in or into, or by use of the postal service of, or by any means or instrumentality (including, without limitation, facsimile transmission, telex, telephone or the Internet) of interstate or foreign commerce of, or any facilities of a national securities exchange of, Australia, Canada, Japan, New Zealand, South Africa or the United States. The Share Exchange Offer or offer for the Stock Options cannot be accepted by any such use, means or instrumentality or from within Australia, Canada, Japan, New Zealand, South Africa or the United States. METSO CORPORATION Olli Vaartimo Executive Vice President and CFO Kati Renvall Vice President, Group Communications Distribution: NASDAQ OMX Helsinki Ltd Media www.metso.com [HUG#1367909]