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RELATED PARTY TRANSACTIONS: (Tables) | 12 Months Ended
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Dec. 31, 2014
Related party transactions |
Receivable and payable balances with related parties | Receivable and payable balances with related parties are shown below (in millions):
|  | As of December 31, |
|  | 2014 |  | 2013 |
Related parties receivable current: |  |  |  |  |
Grupo Mexico |  | $ | 0.7 |  | $ | 0.8 |
Mexico Generadora de Energia S. de R.L. (“MGE”) |  | 31.9 |  | 18.8 |
Compania Perforadora Mexico S.A.P.I. de C.V. and affiliates |  | 0.2 |  | 0.7 |
Compania Minera Coimolache S.A. |  | — |  | 17.2 |
Mexico Proyectos y Desarrollos, S.A. de C.V. and affiliates |  | — |  | 0.6 |
|  | $ | 32.8 |  | $ | 38.1 |
Related parties receivable non-current: |  |  |  |  |
MGE |  | $ | 161.2 |  | $ | 161.2 |
Related parties payable: |  |  |  |  |
Grupo Mexico |  | $ | 2.8 |  | $ | 3.3 |
MGE |  | 45.2 |  | 14.4 |
Asarco LLC |  | 13.8 |  | 6.2 |
Higher Technology S.A.C. |  | 0.2 |  | 0.1 |
Breaker, S.A. de C.V. and affiliates (“Breaker”) |  | 0.7 |  | 0.3 |
Sempertrans and affiliates |  | — |  | 0.1 |
Mexico Transportes Aereos S.A. de C.V. (“Mextransport”) |  | 1.3 |  | 0.6 |
Mexico Proyectos y Desarrollos S.A. de C.V. and affiliates |  | 1.7 |  | — |
Ferrocarril Mexicano S.A. de C.V. |  | 1.8 |  | 3.3 |
Eolica El Retiro, S.A.P.I. de C.V. |  | 1.6 |  | — |
|  | $ | 69.1 |  | $ | 28.3 |
Grupo Mexico and Affiliates |
Related party transactions |
Purchase and sales activities with related parties | The following table summarize the purchase and sale activities with Grupo Mexico and its affiliates in 2014, 2013 and 2012 (in millions):
|  | 2014 |  | 2013 |  | 2012 |
Purchase activity |  |  |  |  |  |  |
Grupo Mexico |  | $ | 13.9 |  | $ | 13.8 |  | $ | 13.9 |
Asarco LLC |  | 47.9 |  | 98.0 |  | 58.6 |
Ferrocarril Mexicano, S.A. de C.V. |  | 22.7 |  | 19.7 |  | 13.9 |
Mexico Proyectos y Desarrollos S.A. de C.V. and affiliates |  | 61.4 |  | 54.4 |  | 49.5 |
MGE |  | 178.4 |  | 14.4 |  | — |
Compania Perforadora Mexico S.A.P.I. de C.V. and affiliates |  | 3.1 |  | 6.1 |  | 2.2 |
Eolica El Retiro, S.A.P.I. de C.V. |  | 7.6 |  | — |  | — |
Total purchases |  | $ | 335.0 |  | $ | 206.4 |  | $ | 138.1 |
Sales activity |  |  |  |  |  |  |
Asarco LLC |  | $ | 24.7 |  | $ | 88.7 |  | $ | 23.5 |
Mexico Proyectos y Desarrollos S.A. de C.V. and affiliates |  | 0.8 |  | 0.8 |  | 0.5 |
Compania Perforadora Mexico S.A.P.I. de C.V. and affiliates |  | 0.6 |  | 0.6 |  | — |
MGE |  | 96.5 |  | 27.3 |  | — |
Total sales |  | $ | 122.6 |  | $ | 117.4 |  | $ | 24.0 |
Companies with relationship to the controlling group |
Related party transactions |
Purchase and sales activities with related parties | The following table summarize the purchase and sales activities with other Larrea family companies in 2014, 2013 and 2012 (in millions):
Mextransport: |  | 2014 |  | 2013 |  | 2012 |
Purchase activity |  | $ | 2.5 |  | $ | 2.7 |  | $ | 2.7 |
Sales activity |  | $ | 0.3 |  | $ | 0.3 |  | $ | 0.9 |
Companies with relationship to SCC executive officers' families |
Related party transactions |
Purchase activity with related parties | The following table summarize the purchase activities with companies with relationships to SCC executive officers in 2014, 2013 and 2012 (in millions):
|  | 2014 |  | 2013 |  | 2012 |
Higher Technology S.A.C. |  | $ | 3.2 |  | $ | 2.2 |  | $ | 3.1 |
Servicios y Fabricaciones Mecanicas S.A.C. |  | 1.3 |  | 0.4 |  | 0.2 |
Sempertrans |  | 1.2 |  | 1.1 |  | 0.3 |
Breaker |  | 10.1 |  | 3.9 |  | 2.3 |
Pigoba, S.A. de C.V. |  | 0.6 |  | 0.3 |  | 0.8 |
Total purchased |  | $ | 16.4 |  | $ | 7.9 |  | $ | 6.7 |

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