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About the Report

This report covers the fiscal period from January 1, 2021, to December 31, 2021, for global Halliburton activities.

This report contains descriptions of our 2021 sustainability initiatives, unless otherwise noted. Wherever possible, assessments of performance trends from 2019 to 2021 are provided to better highlight the significance of trends over time. Topics covered in this report are those most pertinent to our business sector, and they arise from the context and expectations of the sector. The boundaries of this report correspond to those of the Company’s 2021 Form 10-K. The data included in this report comes from the Company’s official management and reporting systems for the various functions described in this document.

The 2021 Annual & Sustainability Report was prepared in accordance with the reporting guidelines and terminology of the Global Reporting Initiative (GRI) Core option, the International Petroleum Industry Environmental Conservation Association (IPIECA), and the Sustainability Accounting Standards Board (SASB). We align with the Task Force on Climate-Related Financial Disclosures (TCFD) recommendations. We have mapped our progress on material topics aligned with the United Nations Sustainable Development Goals and the World Economic Forum’s core set of Stakeholder Capitalism Metrics. We provide annual information to Carbon Disclosure Project (CDP), the Dow Jones Sustainability Index, and other top organizations that assess companies for environmental, social, and governance performance.