MMX Minas-Rio Celebrates Contract for Pipeline Construction

| Source: MMX Mineracao e Metalicos S.A. MMX Mineracao e Metalicos S.A.

RIO DE JANEIRO, BRAZIL--(Marketwire - April 17, 2008) - MMX Mineração e Metálicos S.A. (Bovespa: MMXM3) (TSX: XMM) ("MMX" or "Company") hereby announces that its subsidiary MMX Minas-Rio Mineração S.A. ("MMX Minas-Rio") has contracted Construções e Comércio Camargo Corrêa S.A. to build the slurry pipeline, part of the Minas-Rio System.

The contract establishes the implementation of a duct system comprised of welded steel pipes along the 525 km extension of the slurry pipeline. The pipeline will leave the Conceição do Mato Dentro municipality, located nearby MMX Minas-Rio's future iron ore concentration and beneficiation plant facilities, in Alvorada de Minas, Minas Gerais State, and reach Port Açu, in São João da Barra, Rio de Janeiro State, from where the production will be exported.

The contracted company has initiated the construction works this week, and the conclusion of the pipeline is scheduled for the first quarter of 2010.

Nelson José Guitti Guimarães

Chief Financial and Investor Relations Officer