Page 	Stakeholder engagement and materiality assessment 	Page 66 	Full dataset 	Page 67 	Full dataset 	Page 68 	Full dataset 	Page 69 	Full dataset 	Page 70 	Full dataset 	Page 71 	Full dataset 	Page 72 	SASB/GRI content index 	Introduction 	This GRI Index provides more detail to internal and external stakeholders on Severn Trent PLC sustainability-related policies, programmes and performance.