UNITED STATES SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 6-K

Report of Foreign Issuer Pursuant to Rule 13a-16 or 15d-16

under the Securities Exchange Act of 1934

June 1426, 2007

Commission file number 1-14400

Metso Corporation

(Translation of registrant’s name into English)
Fabianinkatu 9 A,
P.O. Box 1220
FI-00101
Helsinki, Finland

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F

Form 20-F þ Form 40-F o

Indicate by check mark whether the registrant by furnishing the information contained in this Form is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934.

Yes o No þ

If “Yes” is marked, indicate below the file number assigned to the registrant in connection with Rule 12g-3-2(b): 82-

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SIGNATURES

SIGNATURES

Date June 1426, 2007

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf of the undersigned, thereunto duly authorized.

Name:


Olli Vaartimo		Aleksanteri Lebedeff
Executive Vice President and CFO		Senior Vice President,
Metso Corporation		General Counsel
		Metso Corporation

Metso supplies ~~pulp~~two ~~mill~~power ~~equipment~~boilers ~~for~~to ~~Horizonte~~EDP ~~Project~~Produção – Bioeléctrica in ~~Brazil~~Portugal

(Helsinki, Finland, June 1426, 2007) –— Metso Corporation (NYSE: MX; OMXH: MEO1V)

Metso Power, ~~Paper’s~~a ~~Power~~part of Metso Paper business ~~line~~area, will supply aEDP ~~new~~Produção ~~recovery~~– ~~boiler~~Bioeléctrica, aS.A. with ~~new~~two ~~evaporation~~biomass-fired ~~plant, and a new~~ power ~~boiler~~boilers ~~for~~to ~~the~~its ~~greenfield~~new ~~pulp~~power ~~mill~~plants ~~located~~ in ~~Brazil~~Portugal. ~~Start-up~~The isdelivery ~~scheduled~~will ~~for~~be completed by the ~~first~~ ~~half~~second quarter of 2009. The total value of the order is approximately EUR ~~150~~ 60 million.

The ~~order~~first ~~was~~boiler ~~placed~~(83 toMWth) ~~Poyry~~will ~~Empreendimentos~~be ~~Industriais~~installed ~~S.A.,~~at ~~the~~Celbi’s ~~contractor~~Figueira ~~chosen~~da byFoz ~~Chamflora,~~pulp mill and ~~subsidiary~~the ofsecond ~~IP,~~boiler to(35 ~~build~~MWth) ~~the~~at Caima’s pulp mill atnear the ~~Três~~city ~~Lagoas~~of ~~site~~Constância. inBoth ~~Brazil~~power plants ´swill ~~Mato~~mainly ~~Grosso~~use dobiomass, ~~Sul~~like ~~state. The~~eucalyptus ~~project~~bark ~~was~~and ~~recently~~forest ~~transferred~~residues, toas ~~VCP~~fuel asto ~~part~~produce together ofapproximately an40 ~~asset~~MWe ~~exchange~~electricity ~~between~~to the ~~two~~national ~~companies~~grid. Both boilers utilize bubbling fluidized bed technology.

The ~~recovery~~investments ~~boiler~~are ispart ~~rated at 5,300 tons~~ of ~~dry~~Portugal’s ~~solids~~national ~~per~~green ~~day~~energy program, and ~~the~~tariffs ~~evaporation~~for ~~plant at 1,250~~such ~~tons~~delivered ofelectrical ~~evaporated~~energy ~~water~~are ~~per~~subsidized ~~hour.~~by ~~The~~the ~~biomass-fired~~Portuguese ~~power boiler (108 MWth) utilizes bubbling fluidized bed technology~~government.

~~The~~EDP Produção ~~design~~– ~~capacity~~Bioeléctrica, S.A. is a joint venture of ~~this~~EDP, ~~greenfield~~a ~~bleached~~Portuguese ~~eucalyptus~~electricity ~~market~~company, ~~pulp~~and Altri ~~mill~~Group, which is 1the owner of pulp producers Celulose Beira Industrial (Celbi),~~250~~ Celulose do Caima and Celtejo. Celbi Pulp Mill produces short-fiber bleached eucalyptus pulp,~~000~~ ~~tons~~Caima ~~per~~Pulp Mill ~~year~~makes bleached magnesium sulfite pulp, and Celtejo Pulp Mill makes kraft pulp.

VCP, part of the Votorantim Group which is one of the largest private industrial conglomerates in Latin America, is one of Latin America’s biggest pulp and paper manufacturers. In Brazil, it is a leader in the segments of coated paper, carbonless paper, thermal paper and other special grades.

Metso is a global engineering and technology corporation with 2006 net sales of approximately EUR 5 billion. Its 25,500 employees in more than 50 countries serve customers in the pulp and paper industry, rock and minerals processing, the energy industry and selected other industries.
www.metso.com

Further information for the press, please contact: Kari Remes, General Manager, Sales, Metso Power Oy, tel. +358 40 709 2015

Further information for investors, please contact: ~~Johanna~~Olli ~~Sintonen~~Vaartimo, Executive Vice President, ~~Investor~~and ~~Relations~~CFO, Metso Corporation, tel. +358 40204 ~~530~~84 ~~0778~~3010

USA: Mike Phillips, Senior Vice President, Finance and Administration, Metso USA, Inc., tel. +1 770 246 7237.

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