Termination of Material Agreement (Form 8-K)

Item 1.02. Termination of a Material Definitive Agreement.

Effective December 21, 2025, Steel Dynamics, Inc. (the "Company") redeemed and subsequently repaid all of its outstanding 5.000% Senior Notes due 2026 (the "Notes") at a price of 100.000% of the principal amount of $400,000,000, together with accrued and unpaid interest to, but not including, December 21, 2025.

The Notes were issued in the original principal amount of $400,000,000, pursuant to an Indenture, as amended and supplemented, dated as of December 6, 2016 (the "Indenture"), between the Company, as Issuer, and Computershare Trust Company, N.A., as successor to Wells Fargo Bank, National Association, as Trustee.

Pursuant to Section 8.01 of the Indenture, the Company having fully paid all remaining sums payable thereunder, and having delivered all Notes to the Trustee for cancellation, the Company's obligations under the Indenture have now been terminated.