This report was developed with reference to the AGA ESG/Sustainability template, and the recommendations of the Task Force on Climate-related Financial Disclosures (TCFD) and the Sustainability Accounting Standards Board (SASB).

Quick links to metrics:

• Task Force on Climate-related Financial Disclosures (TCFD)
• Sustainability Accounting Standards Board (SASB) 2021
• Sustainability Accounting Standards Board (SASB) 2022
• American Gas Association (AGA) Voluntary Reporting Tool
• Operational Pipeline and Hazardous Materials Safety Administration (PHMSA) Data
• Leak Detection and Repair
• ESG Report Metrics Summary

ONE Gas has received a rating of AA in the MSCI ESG Ratings assessment and a Prime rating from Institutional Shareholder Services (ISS). This means that we’ve been assessed as an industry leader in managing the most significant Environmental, Safety and Governance (ESG) risks and opportunities for our business.