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QWEST CORP

For the period ended Dec 31, 2025. Filed Feb 20, 2026.

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A company's yearly report to the SEC, with audited financial statements. It is the fullest account a company gives of its business, its finances and the risks it sees.

FY2025 · Filed Feb 20, 2026

CTGG$12.55-2.0%Stored close · as of Nov 10, 2026

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Item 15. Exhibits and Financial Statement Schedules

Exhibits identified in parentheses below are on file with the SEC and are incorporated herein by reference. All other exhibits are provided as part of this electronic submission.(1)

Exhibit No.(1)Incorporated by ReferenceFiled or Furnished
DescriptionFiler and File No. (2)FormDate(3)
2.1Purchase Agreement, dated as of May 21, 2025, by and among Lumen Technologies, Inc., the Sellers named therein, Forged Fiber 37, LLC, and, solely for purposes of Section 11.16 thereof, AT&T DW Holdings, Inc.Lumen8-K5/21/25
3.1Amended and restated Articles of Incorporation of Qwest CorporationRegistrant10-Q3/31/13
3.2Amended and Restated Bylaws of Qwest CorporationRegistrant10-K12/31/02
4.1Indenture, dated as of April 15, 1990, by and between The Mountain States Telephone and Telegraph Company (currently named Qwest Corporation) and The First National Bank of Chicago under which the 7.375% Notes due 2030 of Qwest Corporation were issued.Registrant10-K12/31/02
a.First Supplemental Indenture, dated as of April 16, 1991, by and between U S WEST Communications, Inc. (currently named Qwest Corporation) and The First National Bank of Chicago.Registrant10-K12/31/02
4.2Indenture, dated as of April 15, 1990, by and between Northwestern Bell Telephone Company (predecessor to Qwest Corporation) and The First National Bank of Chicago under which the 7.250% Notes due 2025 and 7.750% Notes due 2030 of Qwest Corporation were issued.Lumen10-Q3/31/12
a.First Supplemental Indenture, dated as of April 16, 1991, by and between U S WEST Communications, Inc. (currently named Qwest Corporation) and The First National Bank of Chicago.Registrant10-K12/31/02
4.3Indenture, dated as of October 15, 1999, by and between US West Communications, Inc. (currently named Qwest Corporation) and Bank One Trust Company, N.A., as trustee.Registrant10-K12/31/99
a.Sixteenth Supplemental Indenture, dated as of August 22, 2016, by and between Qwest Corporation and U.S. Bank National Association, designating and outlining the terms and conditions of the 6.500% Notes due 2056 of Qwest Corporation.Registrant8-A8/22/16
b.Seventeenth Supplemental Indenture dated as of April 27, 2017, by and between Qwest Corporation and U.S. Bank National Association, designating and outlining the terms and conditions of the 6.750% Notes due 2057 of Qwest Corporation.Registrant8-A4/27/17
4.4Description of Qwest Corporation's securities registered under Section 12 of the Securities Exchange Act of 1934, as amended.Filed
Exhibit No.(1)Incorporated by ReferenceFiled or Furnished
Exhibit No.(1)DescriptionFiler and File No. (2)FormDate(3)Filed or Furnished
10.1Amended and Restated Transaction Support Agreement by and among Lumen Technologies, Inc., Level 3 Financing, Inc., Qwest Corporation, and the Consenting Parties identified therein, dated January 22, 2024.Lumen8-K1/25/24
19Insider Trading Policy of Lumen Technologies, Inc.Lumen10-K12/31/24
21Subsidiaries of Qwest CorporationFiled
31.1Certification of the Chief Executive Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.Filed
31.2Certification of the Chief Financial Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.Filed
32.1Certification of the Chief Executive Officer pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.Furnished
32.2Certification of the Chief Financial Officer pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.Furnished
97Registrant's Policy Relating to Recovery of Erroneously Award Compensation.Lumen10-K12/31/24
101Financial statements from the Annual Report on Form 10-K of Qwest Corporation for the period ended December 31, 2025, formatted in Inline XBRL: (i) the Consolidated Statements of Operations, (ii) the Consolidated Balance Sheets, (iii) the Consolidated Statements of Cash Flows, (iv) the Consolidated Statements of Stockholder's Equity and (v) the Notes to the Consolidated Financial Statements.Filed
104Cover page formatted as Inline XBRL and contained in Exhibit 101.Filed

(1)Certain of the items in Sections 4.1 through 4.3 (i) omit supplemental indentures or other instruments governing debt that has been retired, or (ii) refer to trustees who may have been replaced, acquired or affected by similar changes. In accordance with applicable SEC rules copies of certain instruments defining the rights of holders of certain of our long-term debt are not filed herewith.

(2)All documents listed below were filed by the registrant (File No. 001-03040), except for Exhibits 2.1, 4.2, 10.1, and 19 each of which were filed by the registrant's parent company, Lumen Technologies, Inc. (File No. 001-07784).

(3)Represents (i) the date appearing on the cover page of each applicable 10-K or 10-Q report and (ii) the date of filing with respect to all other reports.

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