X0508 4 2024-01-05 0000045012 HALLIBURTON CO HAL 0001350647 Pope Lawrence J HALLIBURTON COMPANY 3000 N. SAM HOUSTON PARKWAY E. HOUSTON TX 77032 0 1 0 0 EVP Administration & CHRO 0 Common Stock 2024-01-05 4 F 0 1356.00 36.57 D 313668.118 D Common Stock 2024-01-05 4 F 0 1827.00 36.57 D 311841.118 D Option to Buy Common Stock 31.44 2018-12-05 2028-12-05 Common Stock 51100 51100 D Option to Buy Common Stock 43.38 2017-12-06 2027-12-06 Common Stock 34300 34300 D Option to Buy Common Stock 53.54 2016-12-07 2026-12-07 Common Stock 30500 30500 D Option to Buy Common Stock 38.95 2015-12-02 2025-12-02 Common Stock 44500 44500 D Option to Buy Common Stock 40.75 2014-12-03 2024-12-03 Common Stock 47400 47400 D Shares transferred to Halliburton Company for payment for Federal tax withholding obligations on lapse of restrictions on shares issued under the Stock and Incentive Plan. Said Plan permits Reporting Person to satisfy withholding tax obligation by transferring unrestricted shares to the Issuer. The stock vested on January 3, 2024 and is related to stock granted on January 3, 2023. Shares were withheld for tax reporting on January 5, 2024. The closing price of Halliburton Company's Common Stock on the New York Stock Exchange on January 5, 2024 was $36.57. The stock vested on January 3, 2024 and is related to stock granted on January 3, 2022. Shares were withheld for tax reporting on January 5, 2024. The closing price of Halliburton Company's Common Stock on the New York Stock Exchange on January 5, 2024 was $36.57. /s/ Sarah I. Rubenfeld, by Power of Attorney 2024-01-09