| (a) | | | | | |
| 4.1 | | | Indenture, dated as of September 23, 2024, by and between Laboratory Corporation of America Holdings, as issuer, and U.S. Bank National Trust Company Association, as trustee (incorporated by reference to Exhibit 4.1 to the Company's Current Report on Form 8-K filed on September 23, 2024) | | |
| 4.2 | | | First Supplemental Indenture, dated as of September 23, 2024, among Laboratory Corporation of America Holdings, as issuer, Labcorp Holdings Inc., as guarantor, and U.S. Bank Trust Company, National Association, as trustee, including the form of the 2030 Notes (incorporated by reference to Exhibit 4.2 to the Company's Current Report on Form 8-K filed on September 23, 2024) | | |
| 4.3 | | | Second Supplemental Indenture, dated as of September 23, 2024, by and among Laboratory Corporation of America Holdings, as issuer, Labcorp Holdings, Inc., as guarantor, and U.S. Bank Trust Company, National Association, as trustee, including the form of the 2032 Notes (incorporated by reference to Exhibit 4.3 to the Company's Current Report on Form 8-K filed on September 23, 2024) | | |
| 4.4 | | | Third Supplemental Indenture, dated as of September 23, 2024, by and among Laboratory Corporation of America Holdings, as issuer, Labcorp Holdings, Inc., as guarantor, and U.S. Bank Trust Company, National Association, as trustee, including the form of the 2034 Notes (incorporated by reference to Exhibit 4.4 to the Company's Current Report on Form 8-K filed on September 23, 2024) | | |
| 10.1 | | | Receivables Purchase Agreement, dated as of August 23, 2024, by and among Labcorp Receivables, LLC, as seller, persons from time to time party hereto, as purchasers, PNC Bank National Association, as administrative agent, Laboratory Corporation of America Holdings, as Servicer, and PNC Capital Markets, as structuring agent (incorporated by reference to Exhibit 10.1 to the Company's Current Report on Form 8-K filed on August 23, 2024) | | |
| 10.2 | | | Sale and Contribution Agreement, dated as of August 23, 2024, by and among each of the persons from time to time party hereto, as originators, Laboratory Corporation of America Holdings, as an originator and as servicer, and Labcorp Receivable LLC, as buyer (incorporated by reference to Exhibit 10.2 to the Company's Current Report on Form 8-K filed on August 23, 2024) | | |
| 10.3 | | | Performance Guaranty, dated as August 23, 2024, by Labcorp Holdings, Inc., in favor of PNC Bank National Association, as administrative agent (incorporated by reference to Exhibit 10.3 to the Company's Current Report on Form 8-K filed on August 23, 2024) | | |
| 22.1* | | | Subsidiary Issuers of Guaranteed Securities | | |
| 31.1* | | | Certification by the Chief Executive Officer pursuant to Rule 13a-14(a) or Rule 15d-14(a) | | |
| 31.2* | | | Certification by the Chief Financial Officer pursuant to Rule 13a-14(a) or Rule 15d-14(a) | | |
| 32** | | | Written Statement of Chief Executive Officer and Chief Financial Officer pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (18 U.S.C. Section 1350) | | |
| 101.INS* | | | Inline XBRL Instance Document - The instance document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document. | | |
| 101.SCH* | | | Inline XBRL Taxonomy Extension Schema | | |
| 101.CAL* | | | Inline XBRL Taxonomy Extension Calculation Linkbase | | |
| 101.DEF* | | | Inline XBRL Taxonomy Extension Definition Linkbase | | |
| 101.LAB* | | | Inline XBRL Taxonomy Extension Label Linkbase | | |
| 101.PRE* | | | Inline XBRL Taxonomy Extension Presentation Linkbase | | |
| 104 | | | Cover Page Interactive Data File (embedded within the Inline XBRL document and included in Exhibit 101) | | |