Halliburton 2021 Annual & Sustainability Report Social 52 Journey to ZERO At Halliburton, Journey to ZERO is our vision to achieve ZERO safety incidents, ZERO environmental incidents, and ZERO non-productive time — every day, on every job. The following elements support and enable our Journey to ZERO progress: • Oversight from the Board of Directors’ HSE Committee Our Occupational Safety— • Robust capabilities of the Halliburton Management Journey to ZERO Sustainability System (HMS) Commitments • Training and education • Identification and communication of personal and • Target outperforming total recordable process safety risks incident rate and lost-time incident rate • Commitment to continuous process improvement in the International Association of Drilling • Verification of our HSE and SQ performance Contractors sector benchmarking. Each year, we set strategic Journey to ZERO objectives. • Achieve HSE training compliance ≥95%, Throughout 2021, we focused on risk management, driver competency ≥95%, and 100% incident investigations, and training. Our PSLs evaluated completion of our annual Journey to high-risk activities and implemented action plans to ZERO strategic objectives. eliminate or further mitigate identified personal and process safety risks. We supported these efforts through improved risk management training modules. To ensure effective communication of incident investigation learnings, our HSE and SQ team launched an updated global, centralized Lessons Learned platform to target Company-wide process improvements. We also introduced human performance principles and incorporated these in our updated leadership training. We completed 100% of our planned Journey to ZERO objectives. High-Potential Incidents Fatalities Stop Work Authority (SWA) Per year Employees and contractors per year Observations 170 205,868 162,878 143,155 4 68 65 0 0 2019 2020 2021 2019 2020 2021 2019 2020 2021