SASB Code GRI Code Description Response, link or additional information 306-1 Description of waste generated by the business Refer to “Making the most of our resources” section of the 2021 SR 306-2 Waste by type and disposal method This year we diverted 87% of our audited waste from landfill. 1) Excavated Highway Waste (excluding waste infrastructure) i. Water Infrastructure – 86,646.64 tonnes – 84.95% diversion from landfill 2) FM and Operational Waste i. Property/ Production/ Capital Delivery and Commercial/ Visitor Experience Team – 4,011.36 tonnes – 88.49% diversion from landfill ii. Sanitary Waste – 47.04 tonnes – 99.13% diversion from landfill iii. Used Chemical Containers – 43.69 tonnes – 91.64% diversion from landfill iv. Packaging (bottled water) – 81.15 tonnes – 50.16% diversion from landfill 3) Grit and Screenings i. Non-Infrastructure Waste – 24,770.64 tonnes – 26.17% diversion from landfill ii. Digester Cleaning – 1,064.00 tonnes – 70.77% diversion from landfill iii. Wet Well Cleanse – 2,916.00 tonnes – 0.00% diversion from landfill 4) Bio Solids (water and waste) – 144,553.42 tonnes – 100% diversion from landfill 5) IT Hardware and IS WEEE Waste – 31.54 tonnes – 99.98% diversion from landfill 6) Fleet Consumables (tyres) – 71.70 tonnes – 100% diversion from landfill 7) Pallets (wood) – 36.00 tonnes – 100% diversion from landfill 8) Vehicle disposal (end of use vehicles) – 80.63 tonnes – 95.30% diversion from landfill Environmental Compliance 307 Non-compliance with environmental laws and regulations We received a fine of £800,000 in relation to non-compliance with our environmental permit at Acton Burnell sewage treatment works in July 2020 Supplier Environmental Assessment SASB/GRI content index