144 0001227159 XXXXXXXX LIVE 0000920148 LABCORP HOLDINGS INC 001-11353 358 South Main Street Burlington NC 27215 3362291127 KERRII B ANDERSON Director Common Morgan Stanley Smith Barney LLC Executive Financial Services

1 New York Plaza 8th Floor New York NY 10004

3000 954390.00 81100000 08/17/2026 NYSE Common 02/02/2017 Restricted Stock Awards Issuer N 3000 02/02/2017 N/A Y The securities to be sold were acquired upon the vesting of restricted stock awards during the period of 02/02/2017 through 02/06/2025. 08/17/2026 05/18/2026 /s/ Kerrii B Anderson