SASB Code GRI Code Description Response, link or additional information 102-23 Chair of the highest governance body Refer to the "Governance report" section pages 84 to 89 and 95 of the 2021 ARA 102-24 Nominating and selecting the highest governance body Refer to the “Governance report” section pages 96 to 99 and 101 to 106 of the 2021 ARA 102-25 Conflicts of interest Refer to the "Governance report" section pages 96 and 103 of the 2021 ARA 102-26 Role of highest governance body in setting purpose, values, and strategy Refer to sections “Our approach to risk” pages 38 to 39 and “Governance report” pages 80 to 90 of the 2021 ARA 102-27 Collective knowledge of highest governance body Refer to the “Corporate governance statement” section pages 90 to 100 of the 2021 ARA 102-28 Evaluating the highest governance body’s performance Refer to the “Corporate governance statement” section pages 98 to 99 of the 2021 ARA 102-29 Identifying and managing economic, environmental, and social impacts Refer to sections “Engagement with Stakeholders” pages 68 to 71, “Our approach to risk” pages 38 to 39, and “Governance report” pages 89 to 94 and 116 to 119 of the 2021 ARA and “Making decisions for the long term” section of the 2021 SR 102-30 Effectiveness of risk management processes Refer to sections “Our approach to risk” pages 38 to 39, “Emerging risks” page 46 and “Governance report” pages 107 to 113 of the 2021 ARA 102-31 Review of economic, environmental, and social topics Refer to sections “Our approach to risk” pages 38 to 39, “Our TCFD disclosures” pages 54 to 67 and “Governance report” pages 92 to 94 and 116 to 119 of the 2021 ARA, and “Making decisions for the long term” and “Stakeholder engagement and materiality” sections of the 2021 SR 102-32 Highest governance body’s role in sustainability reporting Refer to sections “Our approach to risk” pages 38 to 39, “Our TCFD disclosures” pages 54 to 67 and “Governance report” pages 92 to 94 and 116 to 119 of the 2021 ARA, and “Making decisions for the long term” and “Stakeholder engagement and materiality” sections of the 2021 SR 102-33 Communicating critical concerns Refer to the “Governance report” section pages 89 and 107 to 113 of the 2021 ARA 102-34 Nature and total number of critical concerns Refer to sections “Our approach to risk” pages 38 to 39, “Our principal risks” pages 40 to 45, and “Emerging risks” page 46 of the 2021 ARA 102-35 Remuneration policies Refer to the current remuneration policy on pages 120 to 128 of the 2018 ARA here: https://www.severntrent.com/content/dam/stw-plc/investors/1.Severn_Trent_AR18_Full_bookmarked.pdf Our current Policy was approved at our 2018 AGM and is due for renewal at our 2021 AGM. For information on this refer to the sections “2021 Remuneration Policy Review” pages 122 to 123 and “Remuneration Policy” pages 145 to 153 the 2021 ARA. 102-36 Process for determining remuneration Refer to our remuneration sections on pages 120 to 153 of the 2021 ARA 102-37 Stakeholders’ involvement in remuneration Refer to our remuneration sections on pages 120 to 153 of the 2021 ARA 102-38 Annual total compensation ratio Refer to “Company remuneration at Severn Trent” section, page 139 of the 2021 ARA 102-39 Percentage increase in annual total compensation ratio Refer to “Company remuneration at Severn Trent” section, page 139 of the 2021 ARA SASB/GRI content index