Shareholder Vote

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): May 18, 2022 HALLIBURTON COMPANY (Exact name of registrant as specified in its charter) Delaware 001-03492 75-2677995 (State or other jurisdiction of incorporation) (Commission File Number) (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. ☐ INFORMATION TO BE INCLUDED IN REPORT Item 5.07. Submission of Matters to a Vote of Security Holders. On May 18, 2022, Halliburton held its Annual Meeting of Shareholders. Shareholders were asked to consider and act upon: a. The election of Directors; b. Ratification of the appointment of KPMG LLP as independent public accountants to examine the financial statements and books and records of Halliburton for the year 2022; and c. Advisory approval of executive compensation. The voting results for each matter are set out below. 1 Election of Directors: Name of Nominee For Against Abstain Broker Non-Votes A.F. Al Khayyal 656,996,574 17,496,345 792,128 87,644,228 W.E. Albrecht 498,202,838 176,234,776 847,433 87,644,228 M.K. Banks 670,833,522 3,726,332 725,193 87,644,228 A.M. Bennett 623,951,265 50,357,405 976,377 87,644,228 M. Carroll 460,806,639 212,642,298 1,836,110 87,644,228 E.M. Cummings 670,704,933 3,817,431 762,683 87,644,228 M.S. Gerber 414,522,294 259,913,799 848,954 87,644,228 R.A. Malone 478,738,503 195,694,587 851,957 87,644,228 J.A. Miller 611,212,033 61,692,498 2,380,516 87,644,228 B.V. Patel 670,729,909 3,770,857 784,281 87,644,228 T.M. Edwards Young 671,703,518 2,844,051 737,478 87,644,228 2 Ratification of the selection of auditors: For 730,035,831 Against 31,500,845 Abstain 1,392,599 Broker Non-Votes N/A 3 Advisory approval of executive compensation: For 312,088,864 Against 362,054,022 Abstain 1,142,161 Broker Non-Votes 87,644,228 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: May 19, 2022 By: /s/ Bruce A. Metzinger Bruce A. Metzinger Vice President, Public Law and Assistant Secretary