| (a) | | | | | |
| 2.1 | | | Agreement and Plan of Merger, dated May 17, 2024, by and among Laboratory Corporation of America Holdings, Labcorp Holdings Inc. and Radiance Merger Sub Inc. (incorporated by reference to Exhibit 2.1 to the Company's Current Report on Form 8-K filed on May 17, 2024) | | |
| 3.1 | | | Amended and Restated Certificate of Incorporation of Labcorp Holdings Inc. (incorporated by reference to Exhibit 3.1 to the Company's Current Report on Form 8-K filed on May 17, 2024) | | |
| 3.2 | | | Amended and Restated By-Laws of Labcorp Holdings Inc. (incorporated by reference to Exhibit 3.2 to the Company's Current Report on Form 8-K filed on May 17, 2024) | | |
| 4.1 | | | Seventeenth Supplemental Indenture dated as of May 17, 2024, by and among Laboratory Corporation of America Holdings, as issuer, Labcorp Holdings Inc., as guarantor, and U.S. Bank National Trust Company Association, as trustee (incorporated by reference to Exhibit 4.2 to the Company's Current Report on Form 8-K filed on May 17, 2024) | | |
| 4.2 | | | New Holding Company Guarantee, dated May 17, 2024, by Labcorp Holdings Inc. (incorporated by reference to Exhibit 4.3 to the Company's Current Report on Form 8-K filed on May 17, 2024) | | |
| 10.1 | | | Guarantor Joinder Agreement, dated May 17, 2024, by Labcorp Holdings Inc. (incorporated by reference to Exhibit 10.1 to the Company's Current Report on Form 8-K filed on May 17, 2024) | | |
| 10.2+ | | | Assignment and Assumption Agreement, dated as of May 17, 2024, by and among Laboratory Corporation of America Holdings, Labcorp Holdings Inc. and Adam H. Schechter. (incorporated by reference to Exhibit 10.2 to the Company's Current Report on Form 8-K filed on May 17, 2024) | | |
| 10.3+ | | | Assignment and Assumption Agreement, dated as of May 17, 2024, by and among Laboratory Corporation of America Holdings, Labcorp Holdings Inc. and Radiance Merger Sub Inc. (incorporated by reference to Exhibit 10.3 to the Company's Current Report on Form 8-K filed on May 17, 2024) | | |
| 10.4+ | | | Labcorp Holdings Inc. Amended and Restated 2016 Omnibus Incentive Plan (incorporated by reference to Exhibit 10.4 to the Company's Current Report on Form 8-K filed on May 17, 2024) | | |
| 10.5+ | | | Labcorp Holdings Inc. Amended and Restated 2016 Employee Stock Purchase Plan (incorporated by reference to Exhibit 10.5 to the Company's Current Report on Form 8-K filed on May 17, 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) | | |
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