Magnesita Refratarios

Magnesita Refratarios SA is a Brazil-based holding company. The Company is a vertically integrated refractory producer supplying the steel and cement industries. The Company exports its raw materials, dead burned magnesia (DBM) and refractories to several countries worldwide. Magnesita operates industrial facilities in North and South America, Europe and Asia. In addition, it operates a research and development center, which supports the needs of the Company and its branches. As of February 21, 2008, the Company incorporated both companies Magnesita SA and Partimag SA. It holds participations in LWB Refractories Company, in the United States, LWB Refractories GmbH, in Germany, Refractarios Argentinos SAICyM, in Argentina, and Shanxi LWB Taigang Refractories Co Ltd, in China, among others.