Rivadavia C. H. De Gusmao

Board Member

BSc

Background

Mr Gusmao is a Bachelor in Science from the Prestige University Of The State of Minas Gerais - UFMG and graduated in the top 20% of his class.

He started his mining career as CFO of Jan Sao Bento Mineração S.A. in Rio de Janeiro where he enhanced profitability in domestic and international gold sales, introduced internal controls reducing operating and funding costs. He was a member of the Audit Committee. In 1999- 2003, he joined BHP Billiton Metais S.A., as local director, in charge of Business development and M&A reporting to the COB primarily focusing on iron ore assets. During 1998 he was Billiton Plc’s representative in Caracas responsible for the ground activities for the Corporacion Venezolana de Alumínio privatization.

He has over 35 years of experience in senior executive positions. Today he is a Member of the Board of Directors Jul 2008 - Current of Sambazon, Inc. San Clemente, CA Special Consultant to the Brazilian operations; Member of the Steering Committee for the implementation of the second Açaí processing plant in Barcarena - PA.

Mr Gusmao speaks English and maintains a residence in Rio de Janeiro, Brazil.