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RELATED PARTY TRANSACTIONS: (Tables) | 6 Months Ended
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Jun. 30, 2026
RELATED PARTY TRANSACTIONS: |
Schedule of receivable and payable balances with related parties | ​ Receivable and payable balances with related parties are shown below (in millions): ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | At June 30, | ​ | At December 31,
​ | ​ ​ ​ | 2026 | ​ ​ ​ | 2025
Related parties receivable current: | ​ | ​ | ​ | ​ | ​ | ​
Grupo Mexico and affiliates: | ​ | ​ | ​ | ​ | ​ | ​
Asarco LLC | ​ | $ | 7.6 | ​ | $ | 7.1
AMMINCO Apoyo Administrativo, S.A. de C.V. (“AMMINCO”) | ​ | ​ | (*) | ​ | ​ | (*)
Ferrocarril Mexicano, S.A. de C.V. | ​ |  | (*) | ​ | ​ | (*)
Mexico Generadora de Energia S. de R.L. ("MGE") | ​ | ​ | 1.1 | ​ | ​ | 7.6
Mexico Compania Constructora S.A de C.V. | ​ | ​ | (*) | ​ | ​ | (*)
​ | ​ | ​ | ​ | ​ | ​ | ​
Related to the controlling group: | ​ | ​ | ​ | ​ | ​ | ​
Empresarios Industriales de Mexico, S.A. de C.V. | ​ | ​ | 1.9 | ​ | ​ | 1.5
Mexico Transportes Aereos, S.A. de C.V. ("Mextransport") | ​ | ​ | 0.3 | ​ | ​ | —
Operadora de Cinemas, S.A. de C.V. | ​ | ​ | 0.1 | ​ | ​ | 0.1
​ | ​ | $ | 10.9 | ​ | $ | 16.2
​ | ​ | ​ | ​ | ​ | ​ | ​
Related parties payable: | ​ | ​ | ​ | ​ | ​ | ​
Grupo Mexico and affiliates: | ​ | ​ | ​ | ​ | ​ | ​
AMMINCO | ​ | $ | 10.1 | ​ | $ | 15.9
Asarco LLC | ​ | ​ | 38.9 | ​ | ​ | 61.1
Eolica El Retiro, S.A.P.I. de C.V. | ​ |  | 0.5 | ​ |  | 0.3
Ferrocarril Mexicano, S.A. de C.V. | ​ |  | 4.4 | ​ |  | 4.0
Grupo Mexico Servicios | ​ | ​ | 2.3 | ​ | ​ | 3.3
MGE | ​ | ​ | 44.7 | ​ | ​ | 30.2
Mexico Compania Constructora S.A de C.V. | ​ | ​ | 9.7 | ​ | ​ | 12.4
Parque Eolico de Fenicias, S. de R.L. de C.V. | ​ | ​ | 8.4 | ​ | ​ | 7.5
Grupo Mexico Servicios de Ingenieria, S.A. de C.V. | ​ | ​ | 1.4 | ​ | ​ | 2.3
Related to the controlling group: | ​ | ​ | ​ | ​ | ​ | ​
Boutique Bowling de Mexico, S.A. de C.V. | ​ |  | 1.1 | ​ |  | 0.8
Mextransport | ​ |  | 0.5 | ​ |  | 0.4
Operadora de Cinemas, S.A. de C.V. | ​ | ​ | 0.5 | ​ | ​ | 0.3
​ | ​ | $ | 122.5 | ​ | $ | 138.4
(*) Less than $0.1 million.
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-month periods ended June 30, 2026 and 2025 (in millions):
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ ​ ​ | 2026 | ​ ​ ​ | 2025
Purchase activity | ​ | ​ | ​ | ​ | ​ | ​
Asarco LLC | ​ | $ | 3.0 | ​ | $ | 28.0
Eolica El Retiro, S.A.P.I. de C.V. | ​ |  | 0.3 | ​ |  | 1.0
Ferrocarril Mexicano, S.A. de C.V. | ​ |  | 23.6 | ​ |  | 21.3
Grupo Mexico Servicios | ​ | ​ | 10.1 | ​ | ​ | 10.1
AMMINCO | ​ | ​ | 6.0 | ​ | ​ | 5.0
MGE | ​ |  | 80.9 | ​ |  | 109.8
Mexico Compania Constructora S.A. de C.V. | ​ | ​ | 16.1 | ​ | ​ | 24.8
Parque Eolico de Fenicias, S. de R.L. de C.V. | ​ | ​ | 22.7 | ​ | ​ | 20.3
Grupo Mexico Servicios de Ingenieria S. A. de C.V. | ​ |  | 9.3 | ​ |  | 4.7
Total purchases | ​ | $ | 171.9 | ​ | $ | 225.0
Sales activity | ​ | ​ | ​ | ​ | ​ | ​
Asarco LLC | ​ | $ | 24.6 | ​ | $ | 27.4
AMMINCO | ​ | ​ | 0.1 | ​ | ​ | (*)
Ferrocarril Mexicano, S.A. de C.V. | ​ |  | (*) | ​ |  | —
MGE | ​ | ​ | (9.3) | ​ | ​ | 31.9
Total sales | ​ | $ | 15.5 | ​ | $ | 59.3
(*) Less than $0.1 million.
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-month periods ended June 30, 2026 and 2025 (in millions):
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ ​ ​ | 2026 | ​ ​ ​ | 2025
Purchase activity | ​ | ​ | ​ | ​ | ​ | ​
Boutique Bowling de Mexico S.A. de C.V. | ​ | $ | 0.3 | ​ | $ | 0.3
Mextransport | ​ | ​ | 1.3 | ​ | ​ | 1.2
Operadora de Cinemas S.A. de C.V. | ​ | ​ | 0.2 | ​ | ​ | 0.2
Total purchases | ​ | $ | 1.8 | ​ | $ | 1.7
​ | ​ | ​ | ​ | ​ | ​ | ​
Sales activity | ​ | ​ | ​ | ​ | ​ | ​
Boutique Bowling de Mexico S.A. de C.V. | ​ | $ | 0.1 | ​ | $ | 0.1
Empresarios Industriales de Mexico, S.A. de C.V. | ​ | ​ | 0.4 | ​ | ​ | 0.2
Mextransport | ​ | ​ | 1.3 | ​ | ​ | 1.1
Operadora de Cinemas S.A. de C.V. | ​ | ​ | 0.1 | ​ | ​ | 0.1
Total sales | ​ | $ | 1.8 | ​ | $ | 1.5

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