Halliburton 2021 Annual & Sustainability Report Introduction 3 TABLE OF CONTENTS Company at a Glance .......................................................................................................................................................................4 Financial Highlights ..........................................................................................................................................................................5 Environmental, Social, and Governance Highlights ................................................................................................................6 2021 in Review ................................................................................................................................................................................... 7 Mission, Values, and Sustainability Guiding Principles .........................................................................................................10 Materiality-Based Approach .........................................................................................................................................................11 Engagement ..................................................................................................................................................................................... 13 Governance ...................................................................................................................................................................................... 15 Corporate Governance ............................................................................................................................................................ 16 Enterprise Risk Management ................................................................................................................................................. 19 Ethics and Compliance ............................................................................................................................................................ 21 Anti-Bribery, Anti-Corruption, and Fair Competition ......................................................................................................22 Supply Chain Governance ......................................................................................................................................................23 Public Policy ...............................................................................................................................................................................25 Environmental ..................................................................................................................................................................................26 Climate Change and Emissions Reduction ........................................................................................................................27 Environmental Management ................................................................................................................................................. 30 Sustainable Energy Evolution ............................................................................................................................................... 36 Social ................................................................................................................................................................................................. 50 Health and Safety ..................................................................................................................................................................... 51 Our People .................................................................................................................................................................................. 56 Training and Development ..................................................................................................................................................... 60 Diversity, Equity, and Inclusion ..............................................................................................................................................62 Local Communities .................................................................................................................................................................. 66 Human Rights .............................................................................................................................................................................72 Appendix ...........................................................................................................................................................................................74 Data Tables ..................................................................................................................................................................................75 Awards and Recognitions ...................................................................................................................................................... 86 About the Report .......................................................................................................................................................................87