b'APPENDIX APPENDIX2020 Methane Emissions Report New Technologies Keep Everyone Safer OSHAAtmos Energy is committed to practices that reduce methane emissions from ourRecordable Injury Rate 3.00 2.88(per 200,000transmission and distribution systems, including infrastructure renewal programs to We are working with industry and technologyhours worked) 2014 2019replace aging steel and cast iron distribution pipelines. partners to develop and evaluate new technologies to enhance safety. For years we have partnered with the Gas Technology As part of Atmos Energys efforts to reduce methane emissions, we joined the Environmental Protection Agencys (EPA)DARTNatural Gas Methane Challenge Program as a founding partner in March 2016. As part of the Natural Gas MethaneInstitute, which develops technology-basedDays Away/Restricted 1.72 1.69solutions for the natural gas industry. We wereDuty/Transfer Injury Rate Challenge Program, a voluntary partnership that encourages oil and natural gas companies to improve efficiency andamong the early participants in our industry to(per 200,000 2014 2019reduce methane emissions, Atmos Energy set a goal to replace cast iron and unprotected steel mains at an annual rateevaluate technologies that had the potential tohours worked)of 1.5 percent. We have performed, and expect to continue to perform, above our stated goal. In 2020 Atmos Energybe adapted to our business. This partnership has joined ONE Future, which is a coalition of natural gas companies working together to voluntarily reduce methaneproduced tools we are incorporating into our emissions across the natural gas value chain. In addition, Atmos Energy has a goal to reduce methane emissions byRMVC50 percent from 2017 to 2035 in its natural gas distribution system.* The Corporate Responsibility, Sustainability &daily processes, such as mobile technology thatReportable Motor 5.46 5.25captures critical infrastructure data duringVehicle Collision RateSafety Committee of the Board of Directors oversees these goals as well as the Companys other sustainability andconstruction and operations. (per 1,000,000 2014 2019environmental practices. The Committees charter can be found on atmosenergy.com. miles driven)Investing in Technology to Improve Safety Modernizing Infrastructure Atmos Energy utilizes state-of-the-art instrumentation for leakLeak Detection Technologies we use: Distribution Miles Replacement Rate Reduces Carbon Footprintdetection, monitoring, and leak grading to enhance safety for 1,000the public, our customers and employees, and to protect the Remote methane leak detection (RMLD) 800 Replacing pipelines reduces leaks and methane environment. Atmos Energy reviews advances in technology Flame ionization detector (FID) Miles Miles 600 emissions. We track and report greenhouse gas as they are brought to market and incorporates them as400 emissions in accordance with the EnvironmentalCombustible gas detector (CGI) 200deemed appropriate for our leak detection and monitoringProtection Agencys (EPA) Greenhouse Gas efforts. This includes advanced mobile leak detection Optical methane detector (OMD) 0 2013 2014 2015 2016 2017 2018 2019 2020 21-25E Reporting Rule, which requires reporting of technology, including cavity ring-down spectroscopy (CRDS) Forward-looking infrared camera (FLIR) greenhouse gas data and other relevant information for surveying our distribution system that is 1,000 times moreBare Steel, Cast Iron, Vintage Plastics from large sources and suppliers in the United sensitive than legacy technologies. As of December 31, 2019,Other Risk-Based Materials States. In addition, all of our operating divisions Atmos Energy had 13 advanced mobile leak detectionreport to various state agencies that have technology units mounted and operating in vehicles. environmental jurisdiction over our activities. Transmission Miles Replacement RateTo monitor compressors and storage fields, we use FLIRSince 2012, weve replaced over 4,400 miles of cameras as well as RMLD, FID, and CGI equipment. RMLD,200 pipe. Over the next five years, we plan to replace CGI, CRDS, and OMD equipment is used to conduct180 between 5,000 and 6,000 miles of distribution and inspections and surveys of buried natural gas distribution and160 transmission pipes. Included in this total is the 140transmission pipelines. The equipment utilized to perform leak120 replacement of all remaining cast iron main by the surveys is dependent on several different criteria, including 100 end of 2021. To determine the schedule for non-cast but not limited to safety, weather, instrument capabilities,80 iron pipeline replacements, we use a risk-based location, application, and operating experience. 60 prioritization model that considers factors like the 402013 2014 2015 2016 2017 2018 2019 2020 21-25E pipes age, location, material, leak history, *Based on 2017 DOT inventory, projected 2035 inventory, and calculated using 40 CFR 98,environmental factors, and more.Subpart W Natural Gas Distribution Emission Factors. The 2017 baseline is 35,386 MT CH4.ATMOS ENERGY CORPORATION ATMOS ENERGY CORPORATION'