Compañia Minera San Ignacio de Morococha

Compania Minera San Ignacio de Morococha SA is a Peru-based company primarily engaged in the exploration and mining of zinc and lead. The Company's mine, plant and administrative offices are located in the San Vicente Mining Unit, in the Chanchamayo province of Peru. Its main customer is AYS SA. In the fiscal year ended December 31, 2007, the sales to AYS SA constituted 94% of the Company's overall product sales.