RELATED PARTY TRANSACTIONS: (Tables)

6 Months Ended

Jun. 30, 2017

Schedule of receivable and payable balances with related parties

Receivable and payable balances with related parties are shown below (in millions):

	At June 30, 2017		At December 31, 2016
Related parties receivable current:
Asarco LLC	$	47.6	$	5.5
Boutique Bowling de Mexico S.A. de C.V.	0.1		0.1
Compania Perforadora Mexico S.A.P.I. de C.V. and affiliates	1.5		1.3
Grupo Mexico	4.8		4.5
Mexico Generadora de Energia S. de R.L. (“MGE”)	18.5		10.2
Mexico Proyectos y Desarrollos, S.A. de C.V. and affiliates	1.2		1.5
Operadora de Cinemas S.A. de C.V.	0.3		0.2
Operadora de Generadoras de Energia Mexico S.A. de C.V.	—		0.1

	$	74.0	$	23.4

	At June 30, 2017		At December 31, 2016
Related parties payable:
Asarco LLC	$	40.6	$	36.3
Boutique Bowling de Mexico S.A. de C.V.	0.3		0.2
Eolica El Retiro, S.A.P.I. de C.V.	0.7		0.1
Ferrocarril Mexicano S.A. de C.V.	3.1		3.0
Grupo Mexico	2.6		0.1
MGE	43.0		13.9
Mexico Proyectos y Desarrollos, S.A. de C.V. and affiliates	7.7		7.8
Mexico Transportes Aereos S.A. de C.V. (“Mextransport”)	0.1		0.1
Operadora de Cinemas S.A. de C.V.	0.5		0.4
Breaker S.A. de C.V. and affiliates (“Breaker”)	—		0.3

	$	98.6	$	62.2

Grupo Mexico and affiliates

RELATED PARTY TRANSACTIONS:

Schedule of purchase and sales activities with related parties

The following table summarizes the purchase and sale activities with Grupo Mexico and its affiliates in the six months ended June 30, 2017 and 2016 (in millions):

	2017		2016
Purchase activity
Asarco LLC	$	19.6	$	14.8
Eolica El Retiro, S.A.P.I. de C.V.	2.0		1.0
Ferrocarril Mexicano S.A de C.V.	23.5		21.0
Grupo Mexico	6.9		6.9
MGE	118.9		108.7
Mexico Proyectos y Desarrollos, S.A. de C.V. and affiliates	72.3		42.8

Total purchases	$	243.2	$	195.2


Sales activity
Asarco LLC	$	82.1	$	34.6
Compania Perforadora Mexico S.A.P.I. de C.V and affiliates	0.2		0.4
Grupo Mexico	0.2		0.3
MGE	49.4		50.1
Mexico Proyectos y Desarrollos, S.A. de C.V. and affiliates	—		0.3

Total sales	$	131.9	$	85.7

Companies with relationship to the controlling group

RELATED PARTY TRANSACTIONS:

Schedule of purchase and sales activities with related parties

The following table summarizes the purchase and sales activities with other Larrea family companies in the six months ended June 30, 2017 and 2016 (in millions):

	2017		2016
Purchase activity
Boutique Bowling de Mexico S.A. de C.V.	$	0.1	$	0.2
Mextransport	0.4		1.0
Operadora de Cinemas S.A. de C.V.	0.1		0.3

Total purchases	$	0.6	$	1.5


Sales activity
Boutique Bowling de Mexico S.A. de C.V.	$	0.1	$	0.1
Mextransport	—		0.2
Operadora de Cinemas S.A. de C.V.	0.1		—

Total sales	$	0.2	$	0.3

Companies with relationship to SCC executive officers

RELATED PARTY TRANSACTIONS:

Schedule of purchase activity with related parties

The following table summarizes the purchase activities with companies with relationships to SCC executive officers in the six months ended June 30, 2017 and 2016 (in millions):

	2017			2016
Breaker	$	(*	)	$	0.4
Higher Technology S.A.C.	—			0.6
Pigoba S.A. de C.V.	—			0.1
Servicios y Fabricaciones Mecanicas S.A.C.	0.2			0.2

Total purchases	$	0.2		$	1.3

(*) amount is lower than $0.1 million