Halliburton 2021 Annual & Sustainability Report Governance 25 G6 Public Policy Because the regulatory environment for the global energy industry is complex and constantly evolving, Halliburton stays engaged on public policy issues that affect our Company, operations, and workforce. To read more about our policies regarding political activities and engagement, as well as the multi-candidate, non-partisan Halliburton Company Political Action Committee (HALPAC), please visit the Public Policy section of our website. 2021 HIGHLIGHTS Greater Transparency In 2021, Halliburton published a comprehensive report (Halliburton Policies for Political Engagement) on our annual political activity. Notable highlights from this report include: • Zero corporate contributions made directly to political parties or candidates • Zero corporate contributions used to In 2021, Halliburton scored an support ballot measures • Prohibitions against using corporate funds to contribute 80% to 527 and 501(c)(4) organizations • Board oversight of the Company’s strategy on CPA-Zicklin Index for political engagement This index scores S&P 500 corporations on the transparency For our efforts, in 2021 Halliburton scored an 80% on and accountability demonstrated within their political engagement policies. the CPA-Zicklin Index. Developed by the Wharton School of Business, Zicklin Center for Business Ethics Research, this index scores corporations on the transparency and accountability demonstrated within Halliburton is within the their political engagement policies. The index uses 24 TOP scoring elements focused on political contributions, trade associations, and political action committee (PAC) activities to calculate a raw score. Halliburton’s 20% raw score of 56 points places us within the top 20% of all companies. of all companies scored