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SunCoke Energy, Inc.

For the period ended Sep 30, 2025. Filed Nov 4, 2025.

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About this filing

A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.

Sep 30, 2025 · Filed Nov 4, 2025

SXC$10.21+4.2%Stored close · as of Nov 9, 2026

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Item 6. Exhibits

ExhibitNumberDescription
2.1+Agreement and Plan of Merger, dated as of May 27, 2025, by and among Sun Coal & Coke LLC, Metals Services Acquisition, LLC, Flame Aggregator, LLC, and Shareholder Representative Services LLC (incorporated by reference herein to Exhibit 2.1 to the Company’s Current Report on Form 8-K filed on May 28, 2025, File No. 001-35243)
3.1Amended and Restated Certificate of Incorporation of the Company (incorporated by reference herein to Exhibit 3.1 to the Company’s Amendment No. 4 to Registration Statement on Form S-1 filed on July 6, 2011, File No. 333-173022)
3.2Amended and Restated Bylaws of SunCoke Energy, Inc., effective as of February 23, 2023 (incorporated by reference herein to Exhibit 3.2 to the Company’s Annual Report on Form 10-K, filed on February 24, 2023, File No. 001-35243)
10.1Fourth Amendment to Second Amended and Restated Credit Agreement, dated July 25, 2025, by and among SunCoke Energy, Inc., the subsidiary guarantors party thereto, the lenders party thereto and Bank of America, N.A., as administrative agent. (incorporated by reference herein to Exhibit 4.1 to the Company’s Current Report on Form 8-K filed on July 25, 2025, File No. 001-35243)
22.1*List of Issuers and Guarantor Subsidiaries
31.1*Chief Executive Officer Certification Pursuant to Exchange Act Rule 13a-14(a) or Rule 15d-14(a), as Adopted Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002
31.2*Chief Financial Officer Certification Pursuant to Exchange Act Rule 13a-14(a) or Rule 15d-14(a), as Adopted Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002
32.1**Chief Executive Officer Certification Pursuant to Exchange Act Rule 13a-14(b) or Rule 15d-14(b) and Section 1350 of Chapter 63 of Title 18 of the United States Code, as Adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
32.2**Chief Financial Officer Certification Pursuant to Exchange Act Rule 13a-14(b) or Rule 15d-14(b) and Section 1350 of Chapter 63 of Title 18 of the United States Code, as Adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
95.1*Mine Safety Disclosures
101The following financial statements from SunCoke Energy, Inc.'s Quarterly Report on Form 10-Q for the three and nine months ended September 30, 2025, filed with the Securities and Exchange Commission on November 4, 2025, is formatted in iXBRL (Inline eXtensible Business Reporting Language): (i) the Consolidated Statements of Income, (ii) the Consolidated Statements of Comprehensive Income, (iii) the Consolidated Balance Sheets, (iv) the Consolidated Statements of Cash Flows, (v) the Consolidated Statements of Equity, and (vi) the Notes to Consolidated Financial Statements.
104The cover page from SunCoke Energy, Inc's Quarterly Report on Form 10-Q for the three and nine months ended September 30, 2025 is formatted in iXBRL (Inline eXtensible Business Reporting Language) and contained in Exhibit 101.
*Filed herewith.
**Furnished herewith.
+The schedules to the Agreement and Plan of Merger have been omitted pursuant to Item 601(a)(5) of Regulation S-K. The Company hereby undertakes to furnish supplemental copies of any of the omitted schedules and exhibits upon request by the SEC.
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