2018 2019 2020 2021 Withdrawal 11,254,902 11,098,723 9,978,414 11,234,619 Discharge 6,113,873 6,257,415 5,641,304 5,799,928 Consumption 5,141,029 4,841,308 4,337,110 5,434,690 Water Consumption (Cubic Meters) Water Withdrawal by Source 12 10 8 6 4 2 ABSOLUTE CUBIC METERS (IN MILLIONS) 2018 2019 2020 2021 Composites 5,882,767 6,103,916 5,293,886 5,794,216 Insulation 4,101,377 3,686,889 3,478,941 4,065,718 Roofing 1,151,712 1,194,563 1,092,678 1,261,957 Corporate 119,045 113,354 112,909 112,727 TOTAL 11,254,902 11,098,723 9,978,414 11,234,619 Water Withdrawal by Business (Cubic Meters) 2018 2019 2020 2021 ENVIRONMENTAL DATA WATER DATA Appendix C 2021 Owens Corning Sustainability Report | Appendices | 319  Municipal Water 7,643,017 7,909,149 7,109,795 8,294,140  Well Water 2,989,856 2,534,398 2,142,501 2,257,470  Surface Water 367,753 397,720 413,751 361,109  Third Party Supplier Water 182,998 181,658 243,680 238,775  Stormwater 71,277 75,798 68,687 83,124 TOTAL 11,254,902 11,098,723 9,978,414 11,234,619