X0407 4 2023-06-30 0000045012 HALLIBURTON CO HAL 0001185166 BENNETT ALAN M 467 WESTWAY RD. SOUTHPORT CT 06890 1 0 0 0 0 Common Stock 27236 D Stock Equivalent Units 2023-06-30 4 A 0 194.732 A Common Stock 194.732 39822.741 D 12/2022 Restricted Stock Units Common Stock 4991.720 4991.720 D 12/2021 Restricted Stock Units Common Stock 8047.950 8047.950 D 12/2020 Restricted Stock Units Common Stock 12765.660 12765.660 D 8/2019 Restricted Stock Units Common Stock 8745.440 8745.440 D 8/2018 Restricted Stock Units Common Stock 4716.090 4716.090 D 8/2017 Restricted Stock Units Common Stock 4844.030 4844.030 D 8/2016 Restricted Stock Units Common Stock 4813.158 4813.158 D 8/2015 Restricted Stock Units Common Stock 5231.133 5231.133 D 8/2014 Restricted Stock Units Common Stock 3103.472 3103.472 D 8/2013 Restricted Stock Units Common Stock 4339.819 4339.819 D 8/2012 Restricted Stock Units Common Stock 6422.445 6422.445 D The security converts to common stock on a one-for-one basis. Stock equivalents acquired under the Halliburton Company Directors' Deferred Compensation Plan reported on a pro-rata basis to reflect Issuer's Plan quarter. Said Plan is an ongoing securities acquisition plan. The stock equivalent units were accrued under the Company's Directors' Deferred Compensation Plan and are settled in the Company's common stock following cessation as a director. The stock equivalents are attributable to quarterly dividends and are based on the closing price on June 28, 2023 of $32.56. 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. The restricted stock units vest in four equal annual installments beginning with 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. Includes dividend equivalent units through June 30, 2023. /s/ Sarah I. Rubenfeld, by Power of Attorney 2023-07-05