Company Update

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): January 24, 2022 HALLIBURTON COMPANY (Exact name of registrant as specified in its charter) DELAWARE (State or other jurisdiction of incorporation)   001-03492 (Commission File Number)   No. 75-2677995 (IRS Employer Identification No.)   3000 North Sam Houston Parkway East , Houston , Texas 77032 (Address of Principal Executive Offices)    (Zip code)   Registrant’s telephone number, including area code: ( 281 ) 871-2699 Not Applicable (Former name or former address, if changed since last report) Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions: ☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) ☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) ☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) Securities registered pursuant to Section 12(b) of the Act: Title of each class Trading Symbol Name of each exchange on which registered Common Stock, par value $2.50 per share HAL New York Stock Exchange Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐ Item 8.01.   Other Events. Halliburton Company has called for redemption $600,000,000 aggregate principal amount of its 3.800% Senior Notes due 2025 (the “Notes”). The redemption date for the Notes is February 23, 2022. The aggregate principal amount of the Notes currently outstanding is approximately $1 billion. The redemption price for the Notes will consist of the sum of (1) the greater of (a) 100% of the principal amount of the Notes outstanding or (b) the sum of the present values of the remaining scheduled payments of principal and interest on the outstanding Notes discounted to the redemption date on a semi-annual basis at the treasury rate plus 25 basis points, as determined by an independent investment banker, and (2) accrued and unpaid interest on the Notes, if any, up to, but excluding, the redemption date. SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.   HALLIBURTON COMPANY             Date:    January 24, 2022 By: /s/ Bruce A. Metzinger     Bruce A. Metzinger     Vice President, Public Law and Assistant Secretary