Halliburton 2021 Annual & Sustainability Report Introduction 9 Halliburton will evolve as energy evolves. 2021 demonstrated that to advance everywhere for everyone, the world will require oil and gas long into the future, even Strategic Priorities as it transitions to additional energy sources and builds out required value chains. Halliburton’s core competencies at a Glance and service excellence will play an important role regardless of the energy source called upon to deliver the future of energy. Deliver industry-leading returns A bold vision of the future requires a steadfast, focused, and strong free cash flow and technologically advanced energy supply and Halliburton stands ready to deliver. As we move forward, Halliburton will continue to work with our customers to Profitable provide reliable, affordable energy to all people around the International world — whether in emerging or established economies. Growth In closing, we thank our employees, our Board of Directors, and our shareholders for the important role each of you play in our success. Halliburton managed the transition Maximizing Value from a global pandemic to the next energy upcycle in North America because of the hard work of our employees, who deliver on our core values of integrity, safety, respect, creativity, and reliability every day. We look to the future with optimism and are well on our way to deliver strong free Digital cash flow and returns for our shareholders. Halliburton 4.0 Capital Efficiency Jeffrey A. Miller Lance T. Loeffler Chairman of the Board, President Executive Vice President and Chief Executive Officer and Chief Financial Officer Sustainable Energy Future Lawrence J. Pope Van H. Beckwith Executive Vice President Executive Vice President, of Administration and Secretary and Chief Legal Officer Chief Human Resources Officer Eric J. Carre Mark J. Richard Joe D. Rainey Executive Vice President of Global President, President, Business Lines, and Chief Health, Western Hemisphere Eastern Hemisphere Safety and Environment Officer