Halliburton Company

Item 2.02. Results of Operations and Financial Condition On July 21, 2026, Halliburton Company (the “Company”) issued a press release announcing its financial results for the quarter ended June 30, 2026 and providing access information for an investor conference call to discuss those results. The scheduled conference call was previously announced on June 10, 2026. A copy of the press release is attached as Exhibit 99.1 to this Current Report on Form 8-K and is hereby incorporated by reference into this Item 2.02. 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 June 30, 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 includes amounts that are not normally excluded or included in the most directly comparable measure calculated and presented in accordance with generally accepted accounting principles, or GAAP. The Company has provided reconciliations within the press release and in the Quarterly Results and Presentations section of our website of the non-GAAP measures to the most directly comparable GAAP financial measure. In accordance with General Instruction B.2 of Form 8-K, the information included in this Current Report under Item 2.02 and in the press release as Exhibit 99.1 is deemed to be “furnished” and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (Exchange Act), or incorporated by reference in any filing under the Securities Act of 1933, as amended (Securities Act), or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing.

Item 7.01. Regulation FD Disclosure On July 21, 2026, the Company issued a press release announcing its results for the quarter ended June 30, 2026. A copy of the press release is set forth in Exhibit 99.1 and is incorporated herein by reference. In accordance with General Instruction B.2 of Form 8-K, the information included in this Current Report under Item 7.01 and in the press release as Exhibit 99.1 is deemed to be “furnished” and shall not be deemed “filed” for purposes of Section 18 of the Exchange Act, or incorporated by reference in any filing under the Securities Act or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing.