Halliburton 2021 Annual & Sustainability Report Environmental 29 Facility Improvements to Reduce Energy Use (continued) Halliburton evaluates the use of artificial intelligence (AI) to help make our building automation systems for air conditioning and heating proactive, rather than reactive, to external forces. Typical building automation systems work in a sequence of events. They react to temperature changes and humidity, and then adjust interior spaces based on set points. Using AI, we can examine whether the automation system can predict what it must do to lower energy consumption while improving comfort in buildings. Select buildings at our corporate headquarters Energy-Efficient Lighting serve as a pilot location for this test. In North America, we are nearing completion of LED lighting retrofits at 13 large facilities, which will reduce carbon emissions from lighting by 63% per year. At our Añelo Field Camp in Argentina, we completed LED renovations in our offices, then met the need for additional lighting along pathways and parking areas with LED lighting towers that are powered by solar panels and battery storage thereby avoiding almost 40,000 kWh in a year from the electrical grid. We are evaluating another 42 Halliburton sites in North America, Europe, Eurasia, and Sub-Saharan Africa for potential completion of retrofits in 2022. Solar Power As part of an ongoing rooftop solar initiative that includes four major projects in Singapore, India, and California, Halliburton commissioned two new solar projects in Malaysia and Colombia in 2021. At our manufacturing facility in Johor, Malaysia, Halliburton executed a 25-year solar power purchase agreement (PPA) in the first quarter of 2021. We installed and will maintain 2,247 fixed-tilt, roof-mounted solar panels totaling 999,915 kilowatt peak (kWp). This is the largest size solar array that the local regulations permit. The Green Electricity solar array will produce 1,000 megawatt hours (MWh) of As we establish new electricity supply contracts, electricity annually. It has offset approximately 22% of the Halliburton purchases green electricity from the grid facility’s usage from August to December, 2021. when available and feasible. In 2021, we signed two Additionally, at our field camp in Barrancabermeja, three-year agreements for 100% green electricity with Colombia, Halliburton executed a 10-year solar PPA in 12 accounts in Alberta, Canada, and two accounts in the fourth quarter of 2021. We installed and will maintain Pennsylvania in the U.S. 278 fixed-tilt, roof-mounted solar panels totaling 99 kWp. The solar array will produce 228,000 kWh of electricity annually, offsetting approximately 49% of the facility’s current usage. In 2022, we expect to explore similar projects elsewhere in Colombia, as well as in Mexico and Brazil.