RELATED PARTY TRANSACTIONS: (Tables)

9 Months Ended

Sep. 30, 2018

Schedule of receivable and payable balances with related parties

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

	At September 30, 2018		At December 31, 2017
Related parties receivable:
Grupo Mexico and affiliates:
Mexico Generadora de Energia, S. de R.L. (“MGE”)	$	11.1	$	16.2
Asarco LLC	74.1		4.1
Grupo Mexico	2.7		2.8
Compañia Perforadora Mexico, S.A.P.I. de C.V. and affiliates	1.4		1.4
Mexico Proyectos y Desarrollos, S.A. de C.V. and affiliates	0.5		1.1
Related to the controlling group:
Mexico Transportes Aereos, S.A. de C.V. (“Mextransport”)	0.2		—
Operadora de Cinemas, S.A. de C.V.	0.4		0.3
Boutique Bowling de Mexico, S.A. de C.V.	0.3		0.2

	$	90.7	$	26.1

	At September 30, 2018		At December 31, 2017
Related parties payable:
Grupo Mexico and affiliates:
MGE	$	37.3	$	38.5
Asarco LLC	10.4		24.2
Mexico Proyectos y Desarrollos, S.A. de C.V. and affiliates	16.2		21.7
Ferrocarril Mexicano, S.A. de C.V.	7.0		2.6
Eolica El Retiro, S.A.P.I. de C.V. (“Eolica el Retiro”)	0.9		0.8
Grupo Mexico	7.0		0.7
Related to the controlling group:
Operadora de Cinemas, S.A. de C.V.	0.2		0.7
Boutique Bowling de Mexico, S.A. de C.V.	0.2		0.6
Mextransport	0.3		0.3

	$	79.5	$	90.1

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 nine months ended September 30, 2018 and 2017 (in millions):

	2018		2017
Purchase activity
Asarco LLC	$	30.0	$	29.6
Eolica El Retiro, S.A.P.I. de C.V.	2.2		2.4
Ferrocarril Mexicano, S.A de C.V.	33.0		34.2
Grupo Mexico	13.5		10.5
MGE	144.4		168.5
Mexico Proyectos y Desarrollos, S.A. de C.V. and affiliates	63.1		92.8

Total purchases	$	286.2	$	338.0


Sales activity
Asarco LLC	$	82.8	$	94.1
Compania Perforadora Mexico, S.A.P.I. de C.V and affiliates	—		0.2
Grupo Mexico	—		0.1
MGE	52.3		77.8

Total sales	$	135.1	$	172.2

Related 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 nine months ended September 30, 2018 and 2017 (in millions):

	2018		2017
Purchase activity
Boutique Bowling de Mexico, S.A. de C.V.	$	0.2	$	0.2
Mextransport	1.1		0.4
Operadora de Cinemas, S.A. de C.V.	0.1		0.1

Total purchases	$	1.4	$	0.7


Sales activity
Boutique Bowling de Mexico, S.A. de C.V.	$	0.2	$	0.2
Mextransport	1.2		0.3
Operadora de Cinemas, S.A. de C.V.	0.1		0.1

Total sales	$	1.5	$	0.6