Halliburton 2021 Annual & Sustainability Report Social 55 Colombia: HSE Win for Wireline & Perforating and Drill Bits & Services PSLs Canacol Energy Colombia SA deemed Halliburton an outstanding supplier for formation evaluation work completed during the first two quarters of the year. We introduced Cerebro® in-bit sensor technology during the intermediate and production phases of an exploratory campaign. Not only did the customer identify potential hydrocarbon reserves and increase production, but Halliburton also executed the work with zero HSE recordable incidents. Trinidad: Pipeline & Process Services PSL Receives the Shell Goal Zero Hero Recognition This customer-initiated award recognizes personnel who exhibit exemplary behaviors in identifying and mitigating risks and potential hazards. For this project, Halliburton purged the topside platform to displace hydrocarbons to below the lower explosive limit to enable mechanical work to take place. To complete the job safely and efficiently, the team completed comprehensive toolbox talks; proactively engaged all personnel involved, including customers and third parties; and explained the job steps and the associated hazards, such as nitrogen oxide asphyxiation, cryogenic temperatures, and pressurized and flammable gases. Global Advances in Reducing Exposure to Radioactive Materials Objective 1: In 2020, the Production Enhancement PSL set a goal to remove 100% of radioactive densometers from North American operations and 80% from international operations to reduce exposure to hazardous materials when capturing density measurements. We are well on track to meet our target and, as of today, we have reduced exposure by 97% in North America and 59% internationally. Objective 2: Implement a sustainable process to ensure the timely disposal of radioactive sources with low levels of activity and usage, which will reduce personnel risks. In 2021, Halliburton has disposed more than 700 radioactive sources.