The Mining Segment of CAP S.A. conducts its operations through its subsidiary, Compañía Minera del Pacífico S.A. (CMP). For management purposes, CMP is organized into four main units, one of which is the Valle de Huasco unit. This unit includes the operations of the Pellet Plant, Los Colorados mine, El Algarrobo, and the Puerto Guacolda II mines.
CMP is a limited liability Company. It has two main shareholders, the controller with 74.9% of shares, CAP S.A. and MC Inversiones LTDA., subsidiary of Mitsubishi Corporation.

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