News & Events

The press release will be published on the Company’s website at www.halliburton.com . The Company’s press release announcing its results for the quarter ended March 31, 2026 and information to be discussed on the conference call contain certain non-GAAP financial measures (as defined under the Securities and Exchange Commission’s Regulation G). Generally, a non-GAAP financial measure is a numerical measure of a company’s performance, financial position, or cash flows that either excludes or i…

of the December 2, 2025 Form 8-K is hereby incorporated by reference. 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: February 11, 2026 By: /s/ Pamela L. Taylor Pamela L. Taylor Vice President, Public Law and Assistant Secretary

The press release will be published on the Company’s website at www.halliburton.com . The Company’s press release announcing its results for the quarter ended December 31, 2025 and information to be discussed on the conference call contain certain non-GAAP financial measures (as defined under the Securities and Exchange Commission’s Regulation G). Generally, a non-GAAP financial measure is a numerical measure of a company’s performance, financial position, or cash flows that either excludes o…

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers . On January 13, 2026, Halliburton’s Board of Directors appointed Michael Casey Maxwell as President, Western Hemisphere of Halliburton, effective February 1, 2026. Mr. Maxwell, age 44, most recently served as Senior Vice President, North America Land since July 2024. Prior to that he served as Vice President, Argentina from July 2023 to June 2024,…

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers . On December 3, 2025, Halliburton Company’s (“Halliburton”) Board of Directors (the “Board”) appointed Jeffrey Shannon Slocum as Executive Vice President and Chief Operating Officer of Halliburton, effective January 1, 2026. In addition, effective January 1, 2026, the Board increased the size of the Board from 12 to 13 directors and appointed Mr. S…

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers . Election of Directors On December 2, 2025, the Board of Directors (the “Board”) of Halliburton Company (“Halliburton”) increased the size of the Board from 11 to 12 directors and appointed Timothy A. Leach as a member of the Board, with an initial term beginning immediately and expiring at Halliburton’s 2026 Annual Meeting of Shareholders, or unti…

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers . On January 6, 2025, Bhavesh (Bob) V. Patel notified the Board of Directors that he has decided to not stand for re-election as a Director of Halliburton Company and retire early from serving as a Director of Halliburton Company to pursue other opportunities. He will continue as a Director until his term ends immediately prior to the annual meeting…

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers . Director not Standing for Election On February 13, 2024, Mr. Milton Carroll notified the Board of Directors that he has decided not to stand for re-election as a Director of Halliburton Company. Mr. Carroll’s decision was not the result of any disagreement with Halliburton on any matter relating to the operations, policies, or practices of Hallibu…

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers . On May 17, 2023, at a meeting of the Board of Directors, the Board appointed Ms. Weiss to its Audit and Nominating and Corporate Governance Committees and Mr. Smith to its Compensation and Health, Safety and Environment Committees. The information reported under

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers. Halliburton Company announced that Shannon Slocum will succeed Joe D. Rainey as President - Eastern Hemisphere effective March 13, 2023. Mr. Rainey will retire from Halliburton on December 31, 2023. 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 b…

Results of Operations and Financial Condition On January 24, 2023, registrant issued a press release entitled “Halliburton Announces Fourth Quarter 2022 Results and Increases Dividend." The text of the Press Release is as follows: HALLIBURTON ANNOUNCES FOURTH QUARTER 2022 RESULTS AND INCREASES DIVIDEND • Net income of $0.72 per diluted share. • Operating margin of 17.5%, increased 460 basis points year-over-year. • Full year revenue of $20.3 billion, increased 33% year-over-year. • Full year…

Results of Operations and Financial Condition On October 25, 2022, registrant issued a press release entitled “Halliburton Announces Third Quarter 2022 Results." The text of the Press Release is as follows: HALLIBURTON ANNOUNCES THIRD QUARTER 2022 RESULTS • Reported net income of $0.60 per diluted share. • Adjusted net income per diluted share more than doubled from the same period last year. • Revenue of $5.4 billion, increased 39% year-over-year. • Operating margin of 16%, increased 393 bas…

Other Events. Halliburton Company has called for redemption $600,061,000 aggregate principal amount of its 3.50% Senior Notes due 2023 (the “Notes”), representing all such notes outstanding. The redemption date for the Notes is September 25, 2022. 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 and (b) the sum of the present values of the remaining scheduled payments of principal and interest on the out…

Results of Operations and Financial Condition On July 19, 2022, registrant issued a press release entitled “Halliburton Announces Second Quarter 2022 Results." The text of the Press Release is as follows: HALLIBURTON ANNOUNCES SECOND QUARTER 2022 RESULTS • Reported net income of $0.12 per diluted share • Adjusted net income of $0.49 per diluted share, excluding impairments and other charges HOUSTON – July 19, 2022 – Halliburton Company (NYSE: HAL) announced today net income of $109 million, o…

of the February 23, 2022 Form 8-K is hereby incorporated by reference. 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

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers. Effective May 2, 2022, Eric J. Carre became Chief Financial Officer of Halliburton Company. Also, effective May 2, 2022, Lance Loeffler, Executive Vice President and Chief Financial Officer will step down from the chief financial officer role and become Senior Vice President, Middle East North Africa. Mr. Carre, age 55, has served as Executive Vice…

Results of Operations and Financial Condition On April 19, 2022, registrant issued a press release entitled “Halliburton Announces First Quarter 2022 Results." The text of the Press Release is as follows: HALLIBURTON ANNOUNCES FIRST QUARTER 2022 RESULTS • Reported net income of $0.29 per diluted share • Adjusted net income of $0.35 per diluted share HOUSTON – April 19, 2022 – Halliburton Company (NYSE: HAL) announced today net income of $263 million, or $0.29 per diluted share, for the first…

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers. Director not Standing for Election On February 22, 2022, Ms. Patricia Hemingway Hall notified the Board of Directors that she had decided not to stand for re-election as a Director of Halliburton Company due solely to a personal decision related to health and travel issues associated with the continuing COVID pandemic and endemic. She will continue…

Results of Operations and Financial Condition On January 24, 2022, registrant issued a press release entitled “Halliburton Announces Fourth Quarter 2021 Results and Increases Dividend." The text of the Press Release is as follows: HALLIBURTON ANNOUNCES FOURTH QUARTER 2021 RESULTS AND INCREASES DIVIDEND • Reported net income of $0.92 per diluted share • Adjusted net income of $0.36 per diluted share • Cash flow from operating activities of $682 million and free cash flow of $478 million • Firs…

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 sc…

Results of Operations and Financial Condition On October 19, 2021, registrant issued a press release entitled “Halliburton Announces Third Quarter 2021 Results." The text of the Press Release is as follows: HALLIBURTON ANNOUNCES THIRD QUARTER 2021 RESULTS • Reported net income of $0.26 per diluted share • Adjusted net income of $0.28 per diluted share • Cash flow from operating activities of $617 million and free cash flow of $469 million HOUSTON – October 19, 2021 – Halliburton Company (NYSE…

Results of Operations and Financial Condition On July 20, 2021, registrant issued a press release entitled “Halliburton Announces Second Quarter 2021 Results." The text of the Press Release is as follows: HALLIBURTON ANNOUNCES SECOND QUARTER 2021 RESULTS • Net income of $0.26 per diluted share • Cash flow from operating activities of $409 million and free cash flow of $265 million HOUSTON – July 20, 2021 - Halliburton Company (NYSE: HAL) announced today net income of $227 million, or $0.26 pe…

Other Events. Halliburton Company will redeem the entire outstanding principal amount of its 3.25% Senior Notes due November 2021 (the "Notes"). The redemption date for the Notes is August 15, 2021. The aggregate principal amount of the Notes outstanding is $500 million. The redemption price for the Notes will equal 100% of the principal amount of the Notes, plus accrued and unpaid interest on the Notes up to, but excluding, the redemption date. SIGNATURES Pursuant to the requirements of the…

of the February 17, 2021 Form 8-K is hereby incorporated by reference. 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 21, 2021 By: \s\ Bruce A. Metzinger Bruce A. Metzinger Vice President, Public Law and Assistant Secretary