Audit Information	12 Months Ended
Dec. 31, 2024
Auditor [Table]
Auditor Name	Marcelo de los Santos y Cía., S.C.
Auditor Firm ID	328100001
Auditor Location	San Luis Potosí, S.L.P., México
Auditor Opinion [Text Block]	Opinion on the Financial Statements We have audited the accompanying consolidated statements of financial position of Grupo Simec, S.A.B. de C.V. and its subsidiaries (the “Company”) as of December 31, 2024, and 2023, and the related consolidated statements of comprehensive income (loss), changes in stockholders’ equity, and cash flows, for each of the years in the three-year period ended December 31, 2024, and the related notes (collectively referred to as the “consolidated financial statements”). In our opinion, the consolidated financial statements present fairly, in all material respects, the consolidated financial position of the Company as of December 31, 2024 and 2023 and the results of its operations and its cash flows for each of the three years in the period ended December 31, 2024, in conformity with International Financial Reporting Standards as issued by the International Accounting Standards Board. We also have audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States) (“PCAOB”), the Company´s internal control over financial reporting as of December 31, 2024, based on criteria established in Internal Control- Integrated Framework (2013) issued by the Committee of Sponsoring Organizations of the Treadway Commission (“COSO”), and our report dated May 12, 2025 expressed an unqualified opinion.

328100001

Opinion on the Financial Statements

We have audited the accompanying consolidated statements of financial position of Grupo Simec, S.A.B. de C.V. and its subsidiaries (the “Company”) as of December 31, 2024, and 2023, and the related consolidated statements of comprehensive income (loss), changes in stockholders’ equity, and cash flows, for each of the years in the three-year period ended December 31, 2024, and the related notes (collectively referred to as the “consolidated financial statements”). In our opinion, the consolidated financial statements present fairly, in all material respects, the consolidated financial position of the Company as of December 31, 2024 and 2023 and the results of its operations and its cash flows for each of the three years in the period ended December 31, 2024, in conformity with International Financial Reporting Standards as issued by the International Accounting Standards Board.

We also have audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States) (“PCAOB”), the Company´s internal control over financial reporting as of December 31, 2024, based on criteria established in Internal Control- Integrated Framework (2013) issued by the Committee of Sponsoring Organizations of the Treadway Commission (“COSO”), and our report dated May 12, 2025 expressed an unqualified opinion.