X0508 4 2024-03-15 0000045012 HALLIBURTON CO HAL 0001967277 Weiss Janet L 3000 N SAM HOUSTON PARKWAY E HOUSTON TX 77032 1 0 0 0 0 Common Stock 2024-03-15 4 M 0 3807 0 A 5385.983 D 03/2023 Restricted Stock Units 2024-03-15 4 M 0 3807 0 D Common Stock 3807 0 D 12/2023 Restricted Stock Units Common Stock 4826 4826 D The restricted stock units vested on March 15, 2024 and is related to stock granted on March 15, 2023. Includes 12.983 shares of stock accumulated through dividend reinvestment. Each restricted stock unit represents a right to receive one share of the Company's common stock. The restricted stock units vest in one year on the first anniversary of the award. Shares will be delivered to the reporting person either upon vesting, or if reporting person elected to defer receipt, following cessation as a director. /s/ Sarah I. Rubenfeld, by Power of Attorney 2024-03-19