HALLIBURTON CO (Form: 4, Received: 01/05/2026 17:59:24)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
Common Stock	1/2/2026		A		5,610 ⁽¹⁾	A	$29.6 ⁽²⁾	51,738.081 ⁽³⁾	D

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security
(Instr. 3)

2. Trans. Date

2A. Deemed Execution Date, if any

3. Trans. Code
(Instr. 8)

4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)

5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)

6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)

7. Nature of Indirect Beneficial Ownership (Instr. 4)

Code

Amount

(A) or (D)

Price

Common Stock

1/2/2026

5,610 ⁽¹⁾

$29.6 ⁽²⁾

51,738.081 ⁽³⁾

*Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)*
Option to Buy Common Stock	$49.61							1/2/2018	1/2/2028	Common Stock	16,733		16,733	D
Option to Buy Common Stock	$55.68							1/3/2017	1/3/2027	Common Stock	14,197		14,197	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivate Security
(Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Trans. Date

3A. Deemed Execution Date, if any

4. Trans. Code
(Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)

6. Date Exercisable and Expiration Date

7. Title and Amount of Securities Underlying Derivative Security
(Instr. 3 and 4)

8. Price of Derivative Security
(Instr. 5)

9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Beneficial Ownership (Instr. 4)

Code

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Option to Buy Common Stock

$49.61

1/2/2018

1/2/2028

Common Stock

16,733

Option to Buy Common Stock

$55.68

1/3/2017

1/3/2027

Common Stock

14,197

POWER OF ATTORNEY KNOW ALL MEN BY THESE PRESENTS, that I, the undersigned, do hereby constitute and appoint Van H. Beckwith, Samantha Boyd, Sarah I. Rubenfeld, Rebekkah M. Emerson, and Pamela L. Taylor or any of them acting alone, my true and lawful attorneys-in-fact and agents, with full power of substitution and resubstitution, to prepare and sign for me, and in my name, place and stead, in any and all capacities, including preparing and submitting a Form ID application for EDGAR access as well as any and all reports as may from time to time be required under Section 16(a) of the Securities Exchange Act of 1934, as amended, and the rules, regulations, and requirements of the Securities Exchange Commission in respect thereof, and to file the same with the Securities and Exchange Commission, granting unto said attorneys-in-fact and agents full power and authority to do and perform each and every act and thing requisite and necessary to be done (with full power to each of them to act alone), as fully and to all intents and purposes as I might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents or any of them, or their substitutes, may lawfully do or cause to be done by virtue hereof. This Power of Attorney shall remain in full force and effect until the undersigned is no longer required to file Forms 3, 4, and 5 with respect to the undersigned's holdings of and transactions in securities issued by Halliburton Company, unless earlier revoked by the undersigned in a signed writing delivered to the foregoing attorneys-in-fact. This Power of Attorney revokes, replaces, and supercedes all prior Powers of Attorney related to the filing of SEC Forms 3, 4, and 5 with respect to the undersigned’s holdings of and transactions in securities issued by Halliburton Company. IN WITNESS WHEREOF, I hereto set my hand this 12th day of December 2025. _________________________________ Jill D. Sharp REV IE WED LEGAL DEP ARTME NT By: Sarah Rubenfeld Title: Assistant General Counsel, Public Law and Assistant Secretary Date: December 11, 2025 Docusign Envelope ID: 0DA6A817-93D0-4832-B596-258747423607

FORM 4 ☐ Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b). ☐ Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES	OMB APPROVAL OMB Number: 3235-0287 Estimated average burden hours per response... 0.5
	Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

1. Name and Address of Reporting Person ^* Sharp Jill D.	2. Issuer Name and Ticker or Trading Symbol HALLIBURTON CO [ HAL ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) SVP Internal Assurance Svcs.
(Last) (First) (Middle) 3000 N. SAM HOUSTON PARKWAY E.	3. Date of Earliest Transaction (MM/DD/YYYY) 1/2/2026
(Street) HOUSTON, TX 77032	4. If Amendment, Date Original Filed (MM/DD/YYYY)	6. Individual or Joint/Group Filing (Check Applicable Line) _X _ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person
(City) (State) (Zip)

Explanation of Responses:
(1)	Shares awarded pursuant to the Halliburton Company Stock and Incentive Plan. Said Plan provides for the surrender of common stock to the Issuer to satisfy withholding tax obligations.
(2)	The closing price of Halliburton Company's Common Stock on the New York Stock Exchange on the January 2, 2026 grant date was $29.60.
(3)	Includes 937.667 shares of stock purchased through the Halliburton Company Employee Stock Purchase Plan for the periods ending March 31, 2025 and June 30, 2025.

Reporting Owners
Reporting Owner Name / Address	Relationships
Reporting Owner Name / Address	Director	10% Owner	Officer	Other
Sharp Jill D. 3000 N. SAM HOUSTON PARKWAY E. HOUSTON, TX 77032			SVP Internal Assurance Svcs.

Signatures
/s/ Sarah I. Rubenfeld, by Power of Attorney		1/5/2026
^**Signature of Reporting Person		Date

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
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