STEEL DYNAMICS INC
For the period ended Dec 31, 2025. Filed Feb 27, 2026.
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FY2025 · Filed Feb 27, 2026
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Reports of Independent Registered Public Accounting Firm
REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
To the Stockholders and the Board of Directors of Steel Dynamics, Inc.
Opinion on Internal Control Over Financial Reporting
We have audited Steel Dynamics, Inc.’s internal control over financial reporting as of December 31, 2025, based on criteria established in Internal Control—Integrated Framework issued by the Committee of Sponsoring Organizations of the Treadway Commission (2013 framework) (the COSO criteria). In our opinion, Steel Dynamics, Inc. (the Company) maintained, in all material respects, effective internal control over financial reporting as of December 31, 2025, based on the COSO criteria.
As indicated in the accompanying Management's Report on Internal Control Over Financial Reporting, management's assessment of and conclusion on the effectiveness of internal control over financial reporting did not include the internal controls of New Process Steel, L.P., which is included in the 2025 consolidated financial statements of the Company and constituted 3% and 5% of total and net assets, respectively, as of December 31, 2025, and 0.4% of net sales, for the year then ended. Our audit of internal control over financial reporting of the Company also did not include an evaluation of the internal control over financial reporting of New Process Steel, L.P.
We also have audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States) (PCAOB), the consolidated balance sheets of the Company as of December 31, 2025 and 2024, the related consolidated statements of income, comprehensive income, equity, and cash flows for each of the three years in the period ended December 31, 2025, and the related notes and our report dated February 27, 2026 expressed an unqualified opinion thereon.
Basis for Opinion
The Company’s management is responsible for maintaining effective internal control over financial reporting and for its assessment of the effectiveness of internal control over financial reporting included in the accompanying Management’s Report on Internal Control Over Financial Reporting. Our responsibility is to express an opinion on the Company’s internal control over financial reporting based on our audit. We are a public accounting firm registered with the PCAOB and are required to be independent with respect to the Company in accordance with the U.S. federal securities laws and the applicable rules and regulations of the Securities and Exchange Commission and the PCAOB.
We conducted our audit in accordance with the standards of the PCAOB. Those standards require that we plan and perform the audit to obtain reasonable assurance about whether effective internal control over financial reporting was maintained in all material respects.
Our audit included obtaining an understanding of internal control over financial reporting, assessing the risk that a material weakness exists, testing and evaluating the design and operating effectiveness of internal control based on the assessed risk, and performing such other procedures as we considered necessary in the circumstances. We believe that our audit provides a reasonable basis for our opinion.
Definition and Limitations of Internal Control Over Financial Reporting
A company’s internal control over financial reporting is a process designed to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles. A company’s internal control over financial reporting includes those policies and procedures that (1) pertain to the maintenance of records that, in reasonable detail, accurately and fairly reflect the transactions and dispositions of the assets of the company; (2) provide reasonable assurance that transactions are recorded as necessary to permit preparation of financial statements in accordance with generally accepted accounting principles, and that receipts and expenditures of the company are being made only in accordance with authorizations of management and directors of the company; and (3) provide reasonable assurance regarding prevention or timely detection of unauthorized acquisition, use, or disposition of the company’s assets that could have a material effect on the financial statements.
Because of its inherent limitations, internal control over financial reporting may not prevent or detect misstatements. Also, projections of any evaluation of effectiveness to future periods are subject to the risk that controls may become inadequate because of changes in conditions, or that the degree of compliance with the policies or procedures may deteriorate.
/s/Ernst & Young LLP
Indianapolis, Indiana
February 27, 2026
REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
To the Stockholders and the Board of Directors of Steel Dynamics, Inc.
Opinion on the Financial Statements
We have audited the accompanying consolidated balance sheets of Steel Dynamics, Inc. (the Company) as of December 31, 2025 and 2024, the related consolidated statements of income, comprehensive income, equity and cash flows for each of the three years in the period ended December 31, 2025, 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 financial position of the Company at December 31, 2025 and 2024, and the results of its operations and its cash flows for each of the three years in the period ended December 31, 2025, in conformity with U.S. generally accepted accounting principles.
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, 2025, based on criteria established in Internal Control-Integrated Framework issued by the Committee of Sponsoring Organizations of the Treadway Commission (2013 framework), and our report dated February 27, 2026 expressed an unqualified opinion thereon.
Basis for Opinion
These financial statements are the responsibility of the Company's management. Our responsibility is to express an opinion on the Company’s financial statements based on our audits. We are a public accounting firm registered with the PCAOB and are required to be independent with respect to the Company in accordance with the U.S. federal securities laws and the applicable rules and regulations of the Securities and Exchange Commission and the PCAOB.
We conducted our audits in accordance with the standards of the PCAOB. Those standards require that we plan and perform the audit to obtain reasonable assurance about whether the financial statements are free of material misstatement, whether due to error or fraud. Our audits included performing procedures to assess the risks of material misstatement of the financial statements, whether due to error or fraud, and performing procedures that respond to those risks. Such procedures included examining, on a test basis, evidence regarding the amounts and disclosures in the financial statements. Our audits also included evaluating the accounting principles used and significant estimates made by management, as well as evaluating the overall presentation of the financial statements. We believe that our audits provide a reasonable basis for our opinion.
Critical Audit Matters
The critical audit matters communicated below are matters arising from the current period audit of the financial statements that were communicated or required to be communicated to the audit committee and that: (1) relate to accounts or disclosures that are material to the financial statements and (2) involved our especially challenging, subjective or complex judgments. The communication of the critical audit matters does not alter in any way our opinion on the consolidated financial statements, taken as a whole, and we are not, by communicating the critical audit matters below, providing a separate opinion on the critical audit matters or on the account or disclosure to which it relates.
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| | Valuation of Goodwill |
| Description ofthe Matter | At December 31, 2025, the Company’s goodwill was approximately $477 million. As discussed in Note 1 of the consolidated financial statements, the Company performs an impairment test for goodwill at least annually or when indicators of impairment exist. The Company performed a qualitative assessment as of October 1, 2025, to assess if it is more likely than not that the fair value of a reporting unit exceeds its carrying amount. |
| Auditing management’s annual goodwill impairment test was complex and judgmental as management considers the impact of several factors on the Company overall and each reporting unit individually including assessing the qualitative factors to be considered in the qualitative goodwill impairment assessment, changes in the carrying amount of the reporting unit, macroeconomic conditions (including changes in interest and discount rates), industry and market conditions, recent and projected financial performance, the Company’s competitive position and other factors. Significant judgment is involved in evaluating the totality of all factors to determine whether it is more likely than not that the fair value of the reporting unit exceeds its carrying value. | |
| How WeAddressed theMatter in OurAudit | We obtained an understanding, evaluated the design and tested the operating effectiveness of controls over the Company’s goodwill impairment testing process, including controls over management’s review of the qualitative factors described above. |
| To test management’s conclusion that it is more likely than not that the fair values of the Company’s reporting units exceed their carrying amounts, we performed audit procedures that included, among others, assessing the reasonableness of the qualitative factors considered within the analyses, testing the evaluation of the qualitative factors and the underlying data used by the Company in its analyses. We evaluated management’s assessment of the qualitative factors for each reporting unit by comparing to current industry and economic trends, current and historical results and key business drivers for each reporting unit, comparing the Company’s share price trends to historical amounts, and other relevant factors, including considering consistency with evidence obtained in other parts of the audit and evaluating whether any contrary evidence exists. | |
| | Valuation of Acquired Customer Relationships Intangible Asset |
| Description ofthe Matter | As described in Note 2 to the consolidated financial statements, on December 1, 2025, the Company completed the acquisition of the remaining 55% interest in New Process Steel, L.P. for a purchase price of $229 million. The Company measured the assets and liabilities assumed at fair value, which resulted in the recognition of a customer relationships intangible asset of $96 million. |
| Auditing the valuation of the acquired customer relationships intangible asset required auditor judgment due to the nature and extent of audit effort in evaluating certain assumptions required to estimate the fair value using a multi-period excess earnings method, which is a specific discounted cash flow method. In particular, the fair value measurement of customer relationships utilized management’s forecasts of revenue growth rates and projected margins to estimate the discounted cash flows. | |
| How WeAddressed theMatter in OurAudit | We obtained an understanding, evaluated the design and tested the operating effectiveness of controls over the Company’s process to estimate the fair value of the acquired customer relationships intangible asset, including controls over management’s review of the significant assumption described above. |
| To test the fair value estimate of the customer relationships intangible asset, we performed audit procedures which included, among others, testing the significant assumptions described above, testing the completeness and accuracy of the underlying data, and evaluating the valuation methodology with the assistance of our valuation specialists. We compared the significant assumptions to current industry and economic trends and historical results of the acquired business. We performed sensitivity analyses to evaluate the impact of changes in the significant assumptions to the fair value of the customer relationships intangible asset. | |
/s/ Ernst & Young LLP
We have served as the Company’s auditor since 1999.
Indianapolis, Indiana
February 27, 2026
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