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RELATED PARTY TRANSACTIONS: (Tables) | 12 Months Ended
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Dec. 31, 2011
RELATED PARTY TRANSACTIONS: |
Receivable and payable balances with related parties |
|  | As of December 31, |
|  | 2011 |  | 2010 |
Affiliate receivable: |  |  |  |  |
Grupo Mexico, S.A.B de C.V. and affiliates |  | $ | 0.7 |  | $ | 32.7 |
Asarco LLC |  | 0.2 |  | — |
Compania Perforadora Mexico S.A.P.I. de C.V. |  | 0.1 |  | — |
Mexico Proyectos y Desarrollos, S.A. de C.V. and affiliates |  | 1.0 |  | — |
|  | $ | 2.0 |  | $ | 32.7 |
Affiliate payable: |  |  |  |  |
Grupo Mexico S.A.B. de C.V. and affiliates |  | $ | 2.0 |  | $ | 2.3 |
Higher Technology S.A.C. |  | 0.1 |  | 0.1 |
Breaker, S.A. de C.V |  | 0.2 |  | 0.3 |
Pigoba, S.A. de C.V |  | — |  | 0.1 |
Consorcio Tricobre |  | — |  | 0.5 |
Exploraciones Mineras del Peru S.A.C. |  | 0.3 |  | — |
Mexico transportes aereos S.A. de C.V. (“Mextransport”) |  | 0.5 |  | 0.4 |
Mexico Proyectos y Desarrollos, S.A. de C.V. and affiliates |  | — |  | 0.9 |
Ferrocarril Mexicano S.A. de C.V. |  | 1.3 |  | 0.1 |
|  | $ | 4.4 |  | $ | 4.7 |
Purchase activity with related parties |
|  | 2011 |  | 2010 |  | 2009 |
Grupo Mexico and affiliates: |  |  |  |  |  |  |
Grupo Mexico S.A B. de C.V |  | $ | 13.9 |  | $ | 10.9 |  | $ | 13.8 |
Ferrocarril Mexicano, S.A de C.V. |  | 11.6 |  | 3.5 |  | 6.0 |
Mexico Proyectos y Desarrollos, S.A. de C.V. and affiliates |  | 32.4 |  | 29.0 |  | 15.1 |
Compania Perforadora Mexico S.A.P.I. de C.V. |  | 1.8 |  | 0.2 |  | — |
Consorcio Tricobre |  | 0.5 |  | 5.3 |  | — |
Consorcio CESEL — CONSUTEC |  | 3.3 |  | — |  | — |
Exploraciones Mineras del Peru S.A.C. |  | 2.0 |  | — |  | — |
Asarco LLC |  | 23.4 |  | 6.6 |  | — |
Other Larrea family companies: |  |  |  |  |  |  |
Mexico Compania de Productos Automotrices, S.A. de C.V. |  | 0.2 |  | 2.3 |  | 0.3 |
Mextransport |  | 2.8 |  | 3.0 |  | 1.9 |
Cadena Mexicana de Exhibicion S.A. de C.V. |  | — |  | 0.2 |  | 0.3 |
Companies with relationships to SCC executive officers’ families: |  |  |  |  |  |  |
Higher Technology S.A.C. |  | 1.9 |  | 2.8 |  | 5.4 |
Servicios y Fabricaciones Mecanicas S.A.C. |  | 0.6 |  | 0.2 |  | 0.3 |
Sempertrans France Belting Technology |  | 0.2 |  | 0.4 |  | 0.6 |
PIGOBA, S.A. de C.V. |  | 0.2 |  | 0.6 |  | 0.1 |
Breaker, S.A. de C.V. |  | 5.3 |  | 1.5 |  | 0.9 |
Total purchased |  | $ | 100.1 |  | $ | 66.5 |  | $ | 44.7 |
Conditions and balance of loan guarantee for related party |
|  | Loan Open |
Original loan balance (in millions) |  | $8.5 |
Maturity |  | August 2013 |
Interest rate |  | Libor + 0.15% |
Remaining balance at December 31, 2011 (in millions) |  | $2.6 |
Sales activity with related parties |
|  | 2011 |  | 2010 |
Asarco |  | $ | 68.8 |  | $ | 43.5 |
Mexico Proyectos y Desarrollos, S.A. de C.V. and affiliates |  | 0.5 |  | 0.5 |
Perforadora Mexico S.A. de C.V. |  | 0.2 |  | 0.2 |
Total |  | $ | 69.5 |  | $ | 44.2

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