Labcorp said Mark Schroeder, Executive Vice President and President, Diagnostics Laboratories and Chief Operations Officer, notified the company of his intention to retire on December 9, 2025.

1. 01

   Labcorp said Mark Schroeder, Executive Vice President and President, Diagnostics Laboratories and Chief Operations Officer, notified the company of his intention to retire on December 9, 2025.

2. 02

   The company disclosed that Schroeder's retirement is effective on April 1, 2026.

3. 03

   Labcorp filed this Form 8-K under Item 5.02 (Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers), with the date of the earliest event reported on December 9, 2025.

4. 04

   The company said this report was signed on December 15, 2025 by Sandra D. van der Vaart, Executive Vice President, Chief Legal Officer and Corporate Secretary.

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