Item 12. (a). Security Ownership of Certain Beneficial Owners.

This information is incorporated by reference to the Halliburton Company Proxy Statement for our 2025 Annual Meeting of Shareholders (File No. 001-03492) under the caption “Stock Ownership of Certain Beneficial Owners and Management.”

Item 12(b). Security Ownership of Management.

This information is incorporated by reference to the Halliburton Company Proxy Statement for our 2025 Annual Meeting of Shareholders (File No. 001-03492) under the caption “Stock Ownership of Certain Beneficial Owners and Management.”

Item 12(c). Changes in Control.

Not applicable.

Item 12(d). Securities Authorized for Issuance Under Equity Compensation Plans.

This information is incorporated by reference to the Halliburton Company Proxy Statement for our 2025 Annual Meeting of Shareholders (File No. 001-03492) under the caption “Equity Compensation Plan Information.”