Horizonte Minerals plc / Index: AIM and TSX / Epic: HZM / Sector: Mining
10 January 2012

Horizonte Minerals plc ('Horizonte' or 'the Company') New Mineral Resource Estimate for the Araguaia Nickel Project, Brazil

Horizonte, the AIM and TSX quoted exploration and development company focused in
Brazil, is pleased to announce the completion of a new National Instrument 43-101 ('NI 43-
101')/JORC compliant Mineral Resource Estimate for its 100% owned Araguaia Nickel
Project in Brazil ('Araguaia').

Highlights