Halliburton Co

Item 2.02. Results of Operations and Financial Condition

On October 20, 2026, Halliburton Company (the "Company") issued a press release announcing its financial results for the quarter ended September 30, 2026 and providing access information for an investor conference call to discuss those results. The scheduled conference call was previously announced on September 15, 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 .

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.

On October 20, 2026, the Company issued a press release announcing its results for the quarter ended September 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.

Item 9.01. Financial Statements and Exhibits

In accordance with General Instruction B.2 of Form 8-K, the information set forth in the attached Exhibit 99.1 is deemed to be "furnished"and shall not be deemed to be"filed" for purposes of Section 18 of the Exchange Act.

99.1 Press Release of Halliburton Company, dated October 20, 2026.

104 Cover Page Interactive Data File (embedded within the Inline XBRL document).