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BASIS OF PRESENTATION (Tables)

12 Months Ended

Dec. 31, 2022

Disclosure of notes and other explanatory information [Abstract]

Disclosure of interests in subsidiaries

Detailed below are the companies whose financial statements have been consolidated and accounted for interest in these consolidated financial statements.

2.    BASIS OF PRESENTATION (continued)

.

Company						Country of Organization						Main activity						Percentage of ownership at December 31,
																		2022						2021						2020
Ternium S.A.						Luxembourg						Holding						100.00		%				100.00		%				100.00		%
Ternium Investments S.à.r.l.						Luxembourg						Holding						100.00		%				100.00		%				100.00		%
Ternium Internacional España S.L. (1)						Spain						Holding and marketing of steel products						100.00		%				100.00		%				100.00		%
Ternium Solutions S.A. (1)						Uruguay						Other services						100.00		%				100.00		%				100.00		%
Ternium Internationaal B.V. (1)						Netherlands						Marketing of steel products						100.00		%				100.00		%				100.00		%
Ternium USA Inc. (2)						USA						Manufacturing and selling of steel products						100.00		%				100.00		%				100.00		%
Ternium Argentina S.A. (3)						Argentina						Manufacturing and selling of flat steel products						62.57		%				62.49		%				62.46		%
Prosid Investments S.A. (4)						Uruguay						Holding						62.58		%				62.49		%				62.46		%
Ternium Mexico S.A. de C.V. (5)						Mexico						Manufacturing and selling of steel products						89.25		%				89.22		%				89.21		%
Las Encinas S.A. de C.V. (6)						Mexico						Exploration, exploitation and pelletizing of iron ore						89.25		%				89.22		%				89.21		%
Ferropak Comercial S.A. de C.V. (6)						Mexico						Scrap services company						89.25		%				89.22		%				89.21		%
Transamerica E. & I. Trading Corp. (6)						USA						Scrap services company						89.25		%				89.22		%				89.21		%
Galvacer Chile S.A. (6)						Chile						Distributing company						89.25		%				89.22		%				89.21		%
Ternium Gas México S.A. de C.V. (7)						Mexico						Energy services company						89.25		%				89.22		%				89.21		%
Consorcio Minero Benito Juarez Peña Colorada S.A.de C.V. (8)						Mexico						Exploration, exploitation and pelletizing of iron ore						44.62		%				44.61		%				44.61		%
Exiros B.V. (8)						Netherlands						Procurement and trading services						50.00		%				50.00		%				50.00		%
Servicios Integrales Nova de Monterrey S.A. de C.V. (9)						Mexico						Medical and Social Services						66.49		%				66.47		%				66.47		%
Ternium Internacional Nicaragua S.A.						Nicaragua						Manufacturing and selling of steel products						99.38		%				99.38		%				99.38		%
Ternium Internacional Honduras S.A. de C.V.						Honduras						Manufacturing and selling of steel products						99.18		%				99.18		%				99.18		%
Ternium Internacional El Salvador S.A. de C.V.						El Salvador						Manufacturing and selling of steel products						99.92		%				99.92		%				99.92		%
Ternium Internacional Costa Rica S.A.						Costa Rica						Manufacturing and selling of steel products						99.98		%				99.98		%				99.98		%
Ternium Internacional Guatemala S.A. (10)						Guatemala						Manufacturing and selling of steel products						99.98		%				99.98		%				99.98		%
Ternium Colombia S.A.S. (11)						Colombia						Manufacturing and selling of steel products						100.00		%				100.00		%				100.00		%
Ternium del Cauca S.A.S. (11)						Colombia						Manufacturing and selling of steel products						100.00		%				100.00		%				100.00		%
Ternium del Atlántico S.A.S (11)						Colombia						Manufacturing and selling of steel products						100.00		%				100.00		%				100.00		%
Ternium Procurement S.A. (11)						Uruguay						Marketing of steel products and procurement services						100.00		%				100.00		%				100.00		%
Technology & Engineering Services S.A. (11)						Uruguay						Engineering and other services						100.00		%				100.00		%				100.00		%
Ternium Brasil Ltda. (12)						Brazil						Manufacturing and selling of steel products						100.00		%				100.00		%				100.00		%
Tenigal S. de R.L. de C.V. (13)						Mexico						Manufacturing and selling of steel products						51.00		%				51.00		%				51.00		%
Soluciones Integrales de Gestión S.A. (14)						Argentina						Other services						100.00		%				100.00		%				100.00		%
Ternium Participaçoes S.A. em liquidaçao (14)						Brazil						Holding						100.00		%				100.00		%				100.00		%
Vientos de Olavarría S.A. (15)						Argentina						Renewable energy project						62.57		%				—						—
Ternium Siderúrgica de Caldas S.A.S. (16)						Colombia						Manufacturing and selling of steel products						—						100.00		%				100.00		%
Impeco S.A. (17)						Argentina						Manufacturing of pipe products						—						62.49		%				62.49		%
Hylsa S.A. de C.V. (18)						Mexico						Manufacturing and selling of steel products						—						—						89.21		%

2.    BASIS OF PRESENTATION (continued)

Company						Country of Organization						Main activity						Percentage of ownership at December 31,
																		2022						2021						2020
Técnica Industrial S.A. de C.V. (18)						Mexico						Services						—						—						89.21		%
Peña Colorada Servicios S.A. de C.V. (19)						Mexico						Services						—						—						44.61		%
Ternium Treasury Services S.A. (20)						Uruguay						Financial Services						—						—						100.00		%

(1) Indirectly through Ternium Investments S.à.r.l. Total voting rights held: 100.00%.

(2) Since the second quarter of 2021, indirectly through Ternium Internacional España S.L. Total voting rights held 100.00%. Before that, indirectly through Ternium Investments S.à.r.l. total voting rights were 100.00% in 2020.

(3) Indirectly through Ternium Internacional España S.L. Total voting rights held 62.57%.

(4) Indirectly through Ternium Argentina S.A. and Ternium Procurement S.A. Total voting rights held 100.00%.

(5) Indirectly through Ternium Argentina S.A. and Ternium Internacional España S.L. Total voting rights held 100.00%.

(6) Indirectly through Ternium Mexico S.A. de C.V. Total voting rights held: 100.00%.

(7) Indirectly through Ternium Mexico S.A. de C.V. and Tenigal S. de R.L. de C.V. Total voting rights held: 100.00%.

(8) Total voting rights held: 50.00%. The Company recognizes the assets, liabilities, revenue and expenses in relation to its interest in the joint operation.

(9) Indirectly through Ternium Mexico S.A. de C.V. Total voting rights held: 74.50%.

(10) Indirectly through Ternium Internacional España S.L. and Ternium Mexico S.A. de C.V. Total voting rights held: 100.00%.

(11) Indirectly through Ternium Internacional España S.L. Total voting rights held: 100.00%.

(12) Since the second quarter of 2020, indirectly through Ternium Internacional España S.L. Total voting rights held: 100.00%. Before that, indirectly through Ternium Investments S.à r.l..

(13) Indirectly through Ternium Internacional España S.L. Total voting rights held: 51.00%.

(14) Indirectly through Ternium Investments S.à r.l. and Ternium Internacional España S.L. Total voting rights held 100.00%.

(15) Indirectly through Ternium Argentina S.A. Total voting rights held 100.00%.

(16) This company was merged into Ternium Colombia S.A.S as of November 30, 2022.

(17) This company was dissolved as of February 16, 2022.

(18) This company was merged into Ternium Mexico S.A. de C.V. as of August 9, 2021.

(19) This company was merged into Consorcio Minero Benito Juarez Peña Colorada S.A.de C.V. as of July 6, 2021.

(20) This company was dissolved as of April 12, 2021.

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- Definition

The disclosure of interests in subsidiaries. [Refer: Subsidiaries [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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